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TITLE

INSTITUTION

SPONS AGENCY

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ABSTRACT

DOCUMENT RESUME

CE 074 815

Heating, Air-Conditioning, and Refrigeration Technician.National Skill Standards.Vocational Technical Education Consortium of States,Decatur, GA.Office of Vocational and Adult Education (ED), Washington,DC1996-10-00134p.

V-TECS, Southern Association of Colleges and Schools, 1866Southern Lane, Decatur, GA 30033-4097; phone: 800- 248-7701,ext. 543.Guides Non-Classroom (055)MF01/PC06 Plus Postage.*Air Conditioning; Air Conditioning Equipment; BehavioralObjectives; *Employment Potential; *Heating; *Job Skills;*National Standards; *Occupational Information; OccupationalSafety and Health; Paraprofessional Personnel; PostsecondaryEducation; Refrigeration; Secondary Education; Ventilation;Vocational Education

This guide contains information on the knowledge and skillsidentified by industry as essential to the job performance of heating,air-conditioning, and refrigeration technicians. It is intended to assisttraining providers in public and private institutions, as well as inindustry, to develop and implement training that will provide workers withthe competencies needed to gain employment as technicians and to advancewithin the field. The publication contains six sections. The first sectiondefines skill standards, provides suggestions for using them, and explainshow they were developed. The second section lists the core knowledgestandards in communication, mathematics, and science. The third section liststhe core occupational skills standards in these areas: safety andenvironment, electrical principles, electric motors, controls, refrigeration,heating, air conditioning, and piping. Occupation-specific skill standardsfor residential and light commercial heating, air conditioning, and heatpumps, and commercial conditioned-air systems and refrigeration are listed inthe fourth section. In the fifth section, standards for workplace behaviors,including ethics, environment, communication, professionalism, and problemsolving, are provided. The final section contains skill standards matrixesfor core skills and occupational skills. An appendix contains a skills matrixthat relates all the skill standards to various residential and commercialapplications. (KC)

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Reproductions supplied by EDRS are the best that can be madefrom the original document.

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plet

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know

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pert

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erre

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nici

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men

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stry

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time

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res

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mer

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ateg

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ativ

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ze o

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nctio

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rfor

med

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type

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nici

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cla

ssif

ied

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r fu

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nte-

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r, a

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pera

tions

.

Pur

pose

and

Inte

nded

Use

s of

Thi

s P

ublic

atio

n

The

pur

pose

of

this

pub

licat

ion

is to

con

vey

the

know

ledg

e an

dsk

ills

iden

tifie

d by

indu

stry

as

esse

ntia

l to

the

job

perf

orm

ance

of

heat

ing,

air-

cond

ition

ing,

and

ref

rige

ratio

n te

chni

cian

s. T

he d

ocum

ent i

s in

tend

edto

ass

ist t

rain

ing

prov

ider

s in

pub

lic a

nd p

riva

te in

stitu

tions

, as

wel

l as

inin

dust

ry to

dev

elop

and

impl

emen

t cur

ricu

lum

and

trai

ning

con

tent

that

will

pro

vide

wor

kers

with

the

com

pete

ncie

s ne

eded

to g

ain

empl

oym

ent

as te

chni

cian

s an

d to

adv

ance

with

in th

e fi

eld.

WM

=

We

than

k th

e in

divi

dual

s w

ho s

erve

d on

the

Polic

y A

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ory

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mitt

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s te

chni

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ors.

The

y w

ere

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ays

read

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edu

cate

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r sp

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e. W

ithou

t the

ir e

ffor

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edic

atio

n, a

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xper

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this

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umen

t wou

ld n

ot b

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s us

ers.

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Proj

ect A

ssis

tant

20xi

r°e

t St f

t44

,

Con

sulta

nts

Gen

e Sm

ithJe

ffer

son,

Geo

rgia

Noe

l Rop

erM

arie

tta, G

eorg

ia

Cha

rles

Los

hPh

oeni

x, A

rizo

na

gills

Chr

ysan

dra

Spic

elan

dC

hest

nut M

ount

ain,

Geo

rgia

Perr

y St

eine

rA

tlant

a, G

eorg

ia

Bar

bara

Bla

sch

Alp

hare

tta, G

eorg

ia

Tri

na B

otel

erL

awer

ence

ville

, Geo

rgia

Joyc

e A

nder

son

Orl

ando

, Flo

rida

Lar

ry P

ritc

hett

Car

nesv

ille,

Geo

rgia

Fred

Car

vell

Cor

onad

o, C

alif

orni

a

Org

aniz

atio

n of

Ski

lls fo

r H

eatin

g, A

ir C

ondi

tioni

ng, a

nd R

efrig

erat

ion

Tec

hnic

ians

Cor

e K

now

ledg

e

J

Occ

upat

iona

l Ski

lls

Com

mun

icat

ion

Mat

hem

atic

s

Wor

kpla

ce B

ehav

iors

22

Env

ironm

ent

Com

mun

icat

ions

JP

rofe

ssio

nalis

m

Pro

blem

Sol

ving

Saf

ety

and

Env

ironm

ent

Ele

ctric

al P

rinci

ples

Ele

ctric

Mot

ors

Con

trol

sR

efrig

erat

ion

Prin

cipl

es a

nd P

ract

ices

Hea

ting

Prin

cipl

es a

nd P

ract

ices

Air

Con

ditio

ning

Prin

cipl

es a

nd P

ract

ices

Pip

ing

Prin

cipl

es a

nd P

ract

ices

Res

iden

tial a

nd L

ight

Com

mer

cial

Hea

ting

Res

iden

tial a

nd L

ight

Com

mer

cial

Air

Con

ditio

ning

Res

iden

tial a

nd L

ight

Com

mer

cial

Hea

t Pum

psC

omm

erci

al C

ondi

tione

d-A

ir S

yste

ms

Com

mer

cial

Ref

riger

atio

n

xii

BE

ST C

OPY

AV

AIL

AB

LE

CD

,

4

Wha

t Are

Ski

ll S

tand

ards

?

Wha

t mus

t tec

hnic

ians

kno

w a

nd d

o to

be

prod

uctiv

e? W

hat

know

ledg

e do

they

pos

sess

? W

hat t

echn

ical

ski

lls a

re r

equi

red

and

whe

rean

d w

hen

are

they

util

ized

? T

hese

are

the

ques

tions

that

for

m th

e ba

sis

ofth

is s

tudy

.Fo

r th

is in

quir

y, s

kill

stan

dard

s ar

e de

fine

d as

the

body

of

know

l-ed

ge, t

he te

chni

cal s

kills

, and

the

wor

kpla

ce b

ehav

iors

req

uire

d of

prod

uctiv

e, s

ucce

ssfu

l tec

hnic

ians

.T

he s

kill

stan

dard

s w

ere

divi

ded

into

thre

e se

para

te b

ut in

terd

epen

-de

nt a

reas

: Cor

e K

now

ledg

e, O

ccup

atio

nal S

kills

, and

Wor

kpla

ce B

ehav

-io

rs. O

ccup

atio

nal S

kills

wer

e fu

rthe

r su

bdiv

ided

into

Cor

e Sk

ills

and

Occ

upat

ion-

Spec

ific

Ski

lls.

Usi

ng S

kill

Sta

ndar

ds

Stud

ents

, tec

hnic

ians

, edu

cato

rs, t

rain

ers,

indu

stry

and

man

agem

ent

are

the

prim

ary

stak

ehol

ders

in th

e he

atin

g, a

ir c

ondi

tioni

ng, a

nd r

efri

g-er

atio

n in

dust

ry. H

ow th

ey u

se s

kill

stan

dard

s, h

owev

er, w

ill v

ary

acco

rd-

ing

to th

eir

indi

vidu

al n

eeds

.

Indi

vidu

als

Skill

sta

ndar

ds h

elp

indi

vidu

als

deve

lop

a cl

ear

idea

of

wha

t is

expe

cted

of

tech

nici

ans.

For

stu

dent

s co

nsid

erin

g a

care

er in

the

heat

ing,

air

cond

ition

ing,

and

ref

rige

ratio

n fi

eld,

the

skill

sta

ndar

ds w

ill a

ssis

t in

2 4

ntr

ducT

ion

mat

chin

g th

eir

pers

onal

kno

wle

dge,

abi

litie

s, a

nd in

tere

sts

to th

e kn

owl-

edge

and

ski

lls r

equi

red

of s

ucce

ssfu

l tec

hnic

ians

.Sk

ill s

tand

ards

will

hel

p te

chni

cian

s id

entif

y th

e sk

ills

and

know

ledg

es r

equi

red

for

cont

inue

d su

cces

s an

d as

sess

thei

r in

divi

dual

need

s fo

r ad

ditio

nal t

rain

ing.

Tra

inin

g P

rovi

ders

Skill

sta

ndar

ds e

stab

lish

a cl

ear

set o

f pe

rfor

man

ce e

xpec

tatio

ns th

athe

lp b

oth

educ

ator

s an

d tr

aine

rs. T

hey

assi

st in

the

desi

gn, d

evel

opm

ent,

and

deliv

ery

of s

tude

nt r

ecru

iting

str

ateg

ies,

app

ropr

iate

cur

ricu

lum

, and

trai

ning

con

sist

ent w

ith in

dust

ry n

eeds

. In

the

futu

re, t

rain

ing

prov

ider

sca

n ex

pect

ski

ll st

anda

rds

to b

e th

e ba

sis

for

deve

lopm

ent o

f na

tiona

lcr

eden

tialli

ng s

yste

ms

for

tech

nici

ans

and

prog

ram

s.

Indu

stry

and

Man

agem

ent

Skill

sta

ndar

ds p

rovi

de a

bas

is f

or m

anag

emen

t in

mak

ing

deci

sion

son

rec

ruiti

ng, h

irin

g, tr

aini

ng, a

ssig

ning

, com

pens

atin

g an

d pr

omot

ing

tech

nici

ans.

Dev

elop

men

tal P

roce

ss

The

dev

elop

men

t of

the

skill

sta

ndar

ds e

mph

asiz

ed in

put f

rom

the

heat

ing,

air

-con

ditio

ning

, and

ref

rige

ratio

n in

dust

ry. T

he m

ajor

pha

ses

incl

uded Con

veni

ng a

Pol

icy

Adv

isor

y C

omm

ittee

with

mem

bers

rep

rese

nt-

ing

indu

stry

, tra

de a

ssoc

iatio

ns, l

abor

org

aniz

atio

ns, a

nd e

duca

tion

and

trai

ning

age

ncie

s to

pro

vide

dir

ectio

n an

d in

form

atio

n to

the

proj

ect.

Dev

elop

ing

a lis

t of

task

s pe

rfor

med

by

heat

ing,

air

-con

ditio

ning

and

refr

iger

atio

n te

chni

cian

s, a

sta

ndar

d of

per

form

ance

for

eac

hta

sk, a

nd a

pro

cedu

re f

or p

erfo

rmin

g th

e ta

sk. T

he in

form

atio

n w

asac

quir

ed th

roug

h in

terv

iew

s an

d w

ork

sess

ions

with

tech

nici

ans

and

inst

ruct

ors.

Iden

tifyi

ng th

e kn

owle

dge

asso

ciat

ed w

ith th

e pe

rfor

man

ce o

f ea

chta

sk.

Del

inea

ting

the

skill

sta

ndar

ds u

sing

info

rmat

ion

obta

ined

dur

ing

the

occu

patio

nal a

naly

sis.

Pres

entin

g th

e sk

ill s

tand

ards

to th

e Po

licy

Adv

isor

y C

omm

ittee

for

revi

ew, r

efin

emen

t, an

d ap

prov

al.

262

Sta

ndar

ds

Stan

dard

s ar

e an

impo

rtan

t com

plem

ent t

o th

is in

vent

ory

of s

kills

.St

anda

rds

iden

tify

the

indi

cato

rs o

f su

cces

sful

ski

ll at

tain

men

t. In

this

publ

icat

ion,

the

stan

dard

is in

ferr

ed in

the

skill

sta

tem

ent a

ssoc

iate

d w

ithkn

owle

dge

and

wor

kpla

ce b

ehav

iors

. How

ever

, sta

ndar

ds h

ave

been

wri

tten

for

psyc

hom

otor

ski

ll st

atem

ents

. The

se s

tand

ards

are

indi

cate

dby

a v

ertic

al li

ne im

med

iate

ly to

left

of

the

stat

emen

t.It

is d

iffi

cult

to d

evel

op s

tand

ards

that

ful

fill

the

need

s of

eve

ry u

ser

or u

ser

grou

p of

this

pub

licat

ion.

Bro

adly

sta

ted

skill

s di

ctat

e br

oadl

yst

ated

sta

ndar

ds. I

t is

gene

rally

acc

epte

d th

at tr

ue p

erfo

rman

ce s

tand

ards

can

only

be

wri

tten

at th

e w

ork

activ

ity o

r ta

sk le

vel.

At b

est,

stan

dard

sde

velo

ped

at th

e sk

ill le

vel c

an o

nly

iden

tify

indi

cato

rs o

f sk

ill p

erfo

r-m

ance

. Sta

ndar

ds w

ritte

n fo

r br

oadl

y ba

sed

skill

s ar

e se

vere

ly li

mite

d in

desc

ribi

ng w

ith p

reci

sion

the

outc

omes

of

the

skill

whe

n th

at s

kill

can

bepe

rfor

med

in u

nlim

ited

setti

ngs

and

cont

exts

eac

h w

ith it

s pa

rtic

ular

outc

ome.

Eve

n w

ith th

ese

cave

ats,

the

stan

dard

s pr

ovid

e a

bene

fit t

hat i

sim

port

ant t

o th

e us

er o

f th

is p

ublic

atio

n.

t

Cor

e K

now

ledg

e

Com

mun

icat

ion

To

mer

ely

poss

ess

basi

c re

adin

g, w

ritin

g, a

nd a

rith

met

ic s

kills

in a

tech

nici

an's

wor

ld is

not

eno

ught

echn

icia

ns m

ust a

pply

this

kno

wle

dge

ever

y da

y.C

ore

Kno

wle

dge

is f

amili

arity

, aw

aren

ess,

or

unde

rsta

ndin

g of

prin

cipl

es a

nd f

unda

men

tals

that

for

ms

the

foun

datio

n to

dev

elop

the

mor

e ad

vanc

ed k

now

ledg

e an

d sk

ills

requ

ired

in th

e w

orkp

lace

. Cor

eK

now

ledg

e is

cat

egor

ized

acc

ordi

ng to

com

mun

icat

ion,

mat

hem

atic

s, a

ndsc

ienc

e in

this

stu

dy.

Com

mun

icat

ion

Tec

hnic

ians

mus

t com

preh

end

and

use

a va

riet

y of

com

mun

icat

ion

tech

niqu

es in

thei

r w

ork

incl

udin

g th

e ab

ility

to

Rea

d an

d co

mpr

ehen

d te

chni

cal m

ater

ials

suc

h as

cod

es a

ndre

gula

tions

, ins

talla

tion,

mai

nten

ance

, and

ser

vice

man

uals

,fl

owch

arts

, tab

les,

gra

phs,

sch

emat

ics,

and

dec

isio

n tr

ees.

Mai

ntai

n te

chni

cal a

nd d

iagn

ostic

not

es, c

ompi

le d

ata

and

info

rmat

ion

to c

ompl

ete

repo

rts,

for

ms,

rec

ords

, war

rant

ies,

cont

ract

s, a

nd in

voic

es, a

nd c

ompo

se te

chni

cal r

epor

ts.

Prov

ide

info

rmat

ion,

dis

cuss

pro

blem

s, s

olut

ions

, and

opt

ions

, and

requ

ired

res

ourc

es w

ith w

orkp

lace

ass

ocia

tes

and

cust

omer

s.

Iden

tify

and

loca

te m

anua

ls a

nd o

ther

info

rmat

ion

reso

urce

sre

quir

ed f

or in

stal

latio

n, m

aint

enan

ce, a

nd s

ervi

ce.

3

28

Cor

e K

Wdg

e

Solv

e pr

oble

ms

by u

sing

dia

gnos

tic d

ata,

tech

nica

l inf

orm

atio

n, a

ndsy

stem

kno

wle

dge.

App

ly in

terp

erso

nal s

kills

suc

h as

list

enin

g, te

am b

uild

ing,

and

conf

lict r

esol

utio

n.

App

ly b

asic

key

boar

ding

ski

lls a

nd th

e ab

ility

to u

se s

tand

ard

appl

icat

ion

soft

war

e.

Mat

hem

atic

s

Tec

hnic

ians

mus

t com

preh

end

and

appl

y an

arr

ay o

f m

ath

conc

epts

in p

erfo

rmin

g th

eir

dutie

s in

clud

ing

the

abili

ty to

Add

, sub

trac

t, m

ultip

ly, a

nd d

ivid

e de

cim

als,

fra

ctio

ns, m

ixed

, and

who

le n

umbe

rs

Con

vert

dec

imal

s, f

ract

ions

, rat

ios,

and

per

cent

ages

.

Com

pute

for

mul

as a

nd e

quat

ions

suc

h as

vol

umes

, pre

ssur

es, a

ndde

gree

s.

Con

vert

one

mea

sure

men

t sys

tem

to a

noth

er.

Cal

cula

te p

erce

ntag

e of

incr

ease

or

decr

ease

, mar

k up

or

disc

ount

.

29

Iden

tify

geom

etri

c fi

gure

s; d

istin

guis

h an

gles

, cir

cles

, and

arc

s; a

nddi

scer

n pe

rpen

dicu

lar

(plu

mb)

and

hor

izon

tal (

leve

l) li

nes

and

plan

es.

Mea

sure

dis

tanc

e, a

ngle

s, c

ircl

es, a

nd a

rcs.

Mea

sure

tem

pera

ture

, wei

ght,

volu

me,

and

pre

ssur

e.

Inte

rpre

t gra

phs,

sca

les,

and

gau

ge in

dica

tions

.

Use

a c

alcu

lato

r.

Sci

ence

Tec

hnic

ians

mus

t kno

w th

e sc

ient

ific

pri

ncip

les

that

are

cen

tral

toth

e op

erat

ion

of th

e eq

uipm

ent t

hey

inst

all a

nd s

ervi

ce. T

echn

icia

ns m

ust

Dem

onst

rate

an

unde

rsta

ndin

g of

the

prin

cipl

es o

f he

at a

nd h

eat

tran

sfer

incl

udin

g he

at g

ain/

heat

loss

cal

cula

tions

.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

prin

cipl

es o

f co

mbu

stio

n.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

conc

epts

of

tem

pera

ture

, air

prop

ertie

s, p

sych

rom

etri

cs, a

nd th

eir

mea

sure

men

t.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

conc

ept o

f pr

essu

re a

nd it

sm

easu

rem

ent.

Dem

onst

rate

an

unde

rsta

ndin

g of

ent

halp

y.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

prin

cipl

es o

f el

ectr

icity

incl

udin

g al

tern

atin

g an

d di

rect

cur

rent

, ele

ctri

cal g

roun

d, s

erie

san

d pa

ralle

l cir

cuits

, and

con

duct

ors

and

insu

lato

rs.

304

Dem

onst

rate

an

unde

rsta

ndin

g of

the

prin

cipl

es o

f el

ectr

ical

mea

sure

men

t inc

ludi

ng v

olta

ge, a

mpe

res,

and

res

ista

nce.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

prin

cipl

es o

f m

agne

tism

and

its a

pplic

atio

n in

ele

ctri

cal m

otor

s an

d co

ntro

l sys

tem

s.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

phys

ical

pro

pert

ies

of m

atte

ran

d th

e pr

inci

ples

of

phas

es a

nd s

tate

s of

mat

ter.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

prop

ertie

s of

gas

es a

nd th

eir

resp

onse

to c

hang

es in

tem

pera

ture

and

pre

ssur

e.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

basi

cs o

f ch

emic

al r

eact

ions

and

the

effe

ct o

f ch

emic

al c

once

ntra

tion

upon

them

.

Dem

onst

rate

an

unde

rsta

ndin

g of

the

prob

lem

sol

ving

pro

cess

incl

udin

g id

entif

icat

ion

of th

e sy

mpt

oms,

acc

umul

atio

n of

per

tinen

tin

form

atio

n, d

evel

opm

ent o

f a

hypo

thes

is o

r so

lutio

n, c

ompl

etio

n of

corr

ectiv

e ac

tion,

and

che

ckin

g of

res

ults

.

Dem

onst

rate

an

unde

rsta

ndin

g of

phy

sica

l and

che

mic

al p

rope

rtie

sof

the

com

mon

ly u

sed

subs

tanc

es in

the

indu

stry

suc

h as

ref

rige

r-an

ts a

nd h

ydro

carb

ons,

and

thei

r ef

fect

upo

n th

e en

viro

nmen

t.

Occ

upat

iona

l Ski

lls

Occ

upat

ion-

Spe

cific

Ski

lls

Cor

e Sk

ills

repr

esen

t the

bas

ic k

now

ledg

e an

d te

chni

cal s

kills

nee

ded

by h

eatin

g, a

ir c

ondi

tioni

ng, a

nd r

efri

gera

tion

tech

nici

ans

to p

erfo

rmac

cord

ing

to th

e in

dust

ry s

tand

ards

.

Saf

ety

and

Env

ironm

ent

Und

erst

and

and

appl

y sa

fety

reg

ulat

ions

and

pro

cedu

res.

Und

erst

and

and

appl

y fe

dera

l, st

ate,

and

loca

l reg

ulat

ions

for

disp

osin

g of

haz

ardo

us m

ater

ials

.

Und

erst

and

and

appl

y E

nvir

onm

enta

l Pro

tect

ion

Age

ncy

(EPA

)re

gula

tions

on

vent

ing,

rec

over

y, r

ecla

imin

g, a

nd r

ecyc

ling

refr

iger

ants

.

Und

erst

and

and

appl

y th

e D

epar

tmen

t of

Tra

nspo

rtat

ion

(DO

T)

regu

latio

ns o

n th

e tr

ansp

orta

tion

and

hand

ling

of h

azar

dous

mat

eria

ls.

Und

erst

and

and

appl

y O

ccup

atio

nal S

afet

y an

d H

ealth

Adm

inis

trat

ion

(OSH

A)

regu

latio

ns.

Und

erst

and

and

appl

y E

nvir

onm

enta

l Pro

tect

ion

Age

ncy

(EPA

)re

gula

tions

on

indo

or a

ir q

ualit

y an

d ni

trou

s-ox

ide.

325

Cor

e S

kills

Ele

ctric

al P

rinci

ples

Und

erst

and

and

appl

y th

e pr

inci

ples

of

alte

rnat

ing

and

dire

ctcu

rren

t.

Und

erst

and

and

reco

gniz

e th

e co

mm

on s

ingl

e an

d th

ree

phas

evo

ltage

sys

tem

s in

clud

ing

230v

, 60h

z, s

ingl

e ph

ase;

208

v, 6

0hz,

thre

e ph

ase;

230

v, 6

0hz,

thre

e ph

ase;

and

460

v, 6

0hz,

thre

e ph

ase.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

seri

es, p

aral

lel,

and

com

poun

d ci

rcui

ts.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

rel

atio

nshi

ps o

f O

hm's

,K

irch

hoff

's, a

nd W

att's

law

s as

they

app

ly to

ser

ies,

par

alle

l, an

dco

mpo

und

circ

uits

.

Rea

d an

d in

terp

ret v

olta

ge, a

mpe

re, o

hm, m

egoh

m, a

nd w

att

met

ers.

Rea

d an

d in

terp

ret s

chem

atic

dra

win

gs.

Dev

elop

sch

emat

ics

from

ele

ctri

cal l

abel

/line

dia

gram

s.

Rea

d an

d in

terp

ret e

lect

rica

l cod

es.

33

Und

erst

and

and

appl

y th

e pr

oper

ties

and

beha

vior

s of

ele

ctri

cal c

on-

Und

erst

and

and

inte

rpre

t ele

ctri

c m

otor

spe

cifi

catio

ns.

duct

ors

and

insu

lato

rs.

Inst

all a

nd c

onne

ct e

lect

ric

mot

ors.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

elec

tric

al c

ircu

it pr

otec

tion

incl

udin

g fu

ses,

cir

cuit

brea

kers

, and

dis

conn

ect s

witc

hes.

Perf

orm

ele

ctri

c m

otor

mai

nten

ance

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

sing

le a

nd th

ree

phas

e tr

ans-

Tro

uble

shoo

t ele

ctri

c m

otor

s.

form

ers.

Und

erst

and

and

appl

y el

ectr

ical

gro

undi

ng p

rinc

iple

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

elec

tric

al m

easu

rem

ent.

Tro

uble

shoo

t ele

ctri

cal c

ircu

its.

Inst

all e

lect

rica

l pow

er a

nd c

ontr

ol c

ircu

its.

Inst

all a

nd c

onne

ct th

e co

mpo

nent

s of

ele

ctri

cal c

ircu

its.

Ele

ctric

Mot

ors

Und

erst

and

and

appl

y th

e op

erat

ing

prin

cipl

es o

f el

ectr

ic m

otor

s.

Und

erst

and

and

reco

gniz

e th

e ap

plic

atio

n of

var

ious

type

s of

ele

ctri

cm

otor

s.

Und

erst

and

and

reco

gniz

e th

e ap

plic

atio

n of

var

ious

type

s of

cap

aci-

tors

.

Und

erst

and

the

prin

cipl

es a

nd o

pera

tion

of e

lect

ric

mot

or p

rote

ctio

nde

vice

s. 346

Con

trol

s

Und

erst

and

and

appl

y th

e pr

inci

ples

of

safe

ty a

nd o

pera

ting

cont

rol

devi

ces;

for

exa

mpl

e, p

ress

ure

switc

hes,

ther

mos

tats

, etc

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

elec

trom

echa

nica

l con

trol

devi

ces;

for

exa

mpl

e, r

elay

s, c

onta

ctor

s, m

agne

tic s

tart

ers,

tim

ers,

sequ

ence

rs, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

elec

tron

ic c

ontr

ol d

evic

es;

for

exam

ple,

igni

tion

mod

ules

, ele

ctro

nic

timer

s, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

safe

ty a

nd c

ontr

ol c

ircu

its.

Inst

all/s

ervi

ce m

echa

nica

l con

trol

dev

ices

.

Inst

all/s

ervi

ce e

lect

rom

echa

nica

l con

trol

dev

ices

.

Tro

uble

shoo

t mec

hani

cal c

ontr

ol d

evic

es.

Tro

uble

shoo

t ele

ctro

mec

hani

cal d

evic

es.

Tro

uble

shoo

t ele

ctro

nic

cont

rol d

evic

es. 35

Ref

riger

atio

n P

rinci

ples

and

Pra

ctic

es

Und

erst

and

and

appl

y th

e th

eory

of

heat

.

Und

erst

and

and

appl

y th

e pr

oper

ties

of r

efri

gera

nts.

Und

erst

and

and

appl

y th

e m

echa

nica

l ref

rige

ratio

n cy

cle.

Und

erst

and

and

appl

y pr

essu

re/te

mpe

ratu

re c

urve

s an

d ch

arts

.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

the

oper

atio

n of

com

pres

sors

.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

con

dens

ers.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

met

erin

gde

vice

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

eva

pora

tors

.

Und

erst

and

the

oper

atio

n of

ref

rige

ratio

n sy

stem

acc

esso

ries

; for

exam

ple,

rec

eive

rs, a

ccum

ulat

ors,

filt

er/d

ryer

s, s

ight

gla

sses

, val

ves,

etc.

Perf

orm

leak

test

s.

Eva

cuat

e an

d m

easu

re th

e va

cuum

leve

l of

refr

iger

atio

n sy

stem

s

Rec

over

ref

rige

rant

s.

Cha

rge

refr

iger

atio

n sy

stem

s.

Rec

ycle

ref

rige

rant

s.

3641

,

Tro

uble

shoo

t mec

hani

cal r

efri

gera

tion

syst

ems.

Hea

ting

Prin

cipl

es a

nd P

ract

ices

Und

erst

and

and

appl

y th

e pr

inci

ples

of

fuel

sys

tem

des

ign.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

air

and

hydr

onic

dis

trib

u-tio

n an

d de

liver

y sy

stem

des

ign.

Und

erst

and

and

appl

y th

e pr

inci

ples

tanc

e he

at s

yste

ms.

Und

erst

and

and

appl

y th

e pr

inci

ples

forc

ed-a

ir h

eatin

g sy

stem

s.

and

oper

atio

n of

ele

ctri

c re

sis-

and

oper

atio

n of

gas

-fir

ed

Und

erst

and

and

appl

y th

e pr

inci

ples

of

elec

tric

hea

t pum

p sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

forc

ed a

ir h

eatin

g sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

hydr

onic

hea

t sys

tem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

hydr

onic

hea

t sys

tem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

vent

ing

and

drai

n sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

pipe

siz

ing

and

layo

ut f

orbo

th f

uel a

nd h

eat d

istr

ibut

ion.

and

oper

atio

n of

oil-

fire

d

and

oper

atio

n of

gas

-fir

ed

and

oper

atio

n of

oil-

fire

d

7

EST

CO

PY M

AFI

A L

E

37

Air

Con

ditio

ning

Prin

cipl

es a

nd P

ract

ices

Und

erst

and

and

appl

y th

e pr

inci

ples

of

air-

cond

ition

ing

incl

udin

gte

mpe

ratu

re, h

umid

ity, a

nd a

ir m

ovem

ent,

etc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

air

dist

ribu

tion

and

deliv

ery

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

cond

ensa

te d

rain

sys

tem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

air

filtr

atio

n sy

stem

s.

Des

ign

air

dist

ribu

tion

syst

ems.

Pip

ing

Prin

cipl

es a

nd P

ract

ices

Und

erst

and

and

appl

y th

e pr

inci

ples

of

pipi

ng s

yste

ms

incl

udin

gth

e fa

ctor

s th

at a

ffec

t pip

e se

lect

ion,

pip

e si

ze, a

nd s

yste

m d

esig

n.

Und

erst

and

and

sele

ct th

e pr

oper

fitt

ing

or v

alve

for

spe

cifi

c ap

pli-

catio

ns; f

or e

xam

ple,

glo

be v

alve

s, g

ate

valv

es, a

ngle

val

ves,

che

ckva

lves

, elb

ows,

tees

, uni

ons,

cou

plin

gs, h

alf

unio

ns, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

pipe

acc

esso

ries

; for

ex-

ampl

e, f

lang

es, i

sola

tors

, han

gers

, exp

ansi

on jo

ints

, exp

ansi

on,

loop

s, s

uppo

rts,

insu

latio

n, e

tc.

Perf

orm

cop

per

tubi

ng o

pera

tions

incl

udin

g cu

tting

, fla

ring

,so

lder

ing,

bra

zing

, ben

ding

, sw

aggi

ng, e

tc.

Perf

orm

ste

el p

ipe

oper

atio

ns in

clud

ing

cutti

ng, r

eam

ing,

thre

adin

g,co

nnec

ting,

etc

.

" Pe

rfor

m P

VC

pip

e op

erat

ions

incl

udin

g cu

tting

, con

nect

ing,

etc

.

388

Occ

upat

iona

l Ski

lls

Occ

upat

ion-

Spec

ific

Ski

lls r

epre

sent

the

know

ledg

e an

d te

chni

cal

skill

s ne

eded

by

heat

ing,

air

con

ditio

ning

, and

ref

rige

ratio

n te

chni

cian

sto

inst

all,

mai

ntai

n, r

epai

r an

d op

erat

e eq

uipm

ent.

Thi

s pr

ojec

t gro

uped

Occ

upat

ion-

Spec

ific

Ski

lls in

fiv

e ca

tego

ries

: Res

iden

tial/L

ight

Com

mer

-ci

al H

eatin

g, R

esid

entia

l/Lig

ht C

omm

erci

al A

ir C

ondi

tioni

ng, H

eat

Pum

ps, C

omm

erci

al C

ondi

tione

d-A

ir S

yste

ms,

and

Com

mer

cial

Ref

rig-

erat

ion.

Res

iden

tial a

nd L

ight

Com

mer

cial

Hea

ting

Und

erst

and

and

appl

y th

e pr

inci

ples

of

fuel

sys

tem

des

ign.

Und

erst

and

and

appl

y th

e pr

inci

ples

desi

gn.

Und

erst

and

and

appl

y th

e pr

inci

ples

resi

stan

ce h

eat s

yste

ms.

Und

erst

and

and

appl

y th

e pr

inci

ples

forc

ed-a

ir h

eatin

g sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

forc

ed a

ir h

eatin

g sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

hydr

onic

hea

t sys

tem

s.

g'r1

10

of a

ir d

istr

ibut

ion

syst

em

and

oper

atio

n of

ele

ctri

c

and

oper

atio

n of

gas

-fir

ed

and

oper

atio

n of

oil-

fire

d

and

oper

atio

n of

gas

-fir

ed

9

ceup

atio

n-S

clfi

c6

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

oil-

fire

dhy

dron

ic h

eat s

yste

ms.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

vent

ing

and

drai

n sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

pipe

siz

ing

and

layo

utin

clud

ing

liqui

d pr

opan

e an

d na

tura

l gas

and

oil.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

hum

idif

icat

ion.

Inst

all/s

ervi

ce g

as-f

ired

for

ced

air

heat

ing

syst

ems.

Inst

all/s

ervi

ce o

il-fi

red

forc

ed a

ir h

eatin

g sy

stem

s.

Inst

all/s

ervi

ce h

ydro

nic

heat

sys

tem

s.

Fabr

icat

e/in

stal

l/ser

vice

ven

ting

and

drai

n sy

stem

s.

Inst

all/s

ervi

ce h

umid

ifie

rs.

Tro

uble

shoo

t gas

-fir

ed f

orce

d ai

r he

atin

g sy

stem

s.

Tro

uble

shoo

t oil-

fire

d fo

rced

air

hea

ting

syst

ems.

Tro

uble

shoo

t hyd

roni

c he

at s

yste

ms.

Tro

uble

shoo

t ven

ting

and

drai

n sy

stem

s.

of

Res

iden

tial a

nd L

ight

Com

mer

cial

Air

Con

ditio

ning

Tro

uble

shoo

t air

filt

ratio

n sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

air

cond

ition

ing

incl

udin

gR

esid

entia

l and

Lig

ht C

omm

erci

al H

eat P

umps

tem

pera

ture

, hum

idity

, and

air

mov

emen

t, et

c.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

air

dist

ribu

tion

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

cond

ensa

te d

rain

sys

tem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

air

filtr

atio

n sy

stem

s.

Des

ign

air

dist

ribu

tion

and

deliv

ery

syst

ems.

Fabr

icat

e an

d in

sula

te a

ir d

istr

ibut

ion

syst

ems.

Inst

all a

ir d

istr

ibut

ion

syst

ems.

Inst

all/s

ervi

ce c

onde

nsat

e dr

ain

syst

ems.

Inst

all/s

ervi

ce a

ir f

iltra

tion

syst

ems.

Inst

all/s

ervi

ce s

plit

air-

cond

ition

ing

syst

ems.

Inst

all/s

ervi

ce p

acka

ged

air-

cond

ition

ing

syst

ems.

Inst

all/s

ervi

ce e

vapo

rativ

e co

oler

s.

Tro

uble

shoo

t air

-con

ditio

ning

sys

tem

s.

Tro

uble

shoo

t eva

pora

tive

cool

ers.

Tro

uble

shoo

t con

dens

ate

drai

n sy

stem

s.

4210

Und

erst

and

and

appl

y th

e pr

inci

ples

of

vapo

r co

mpr

essi

on h

eat

pum

p cy

cles

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

supp

lem

enta

ry h

eat.

Und

erst

and

and

appl

y th

e re

latio

nshi

p of

out

door

am

bien

tte

mpe

ratu

re to

hea

ting

capa

city

.

Und

erst

and

and

appl

y th

e el

ectr

ical

cir

cuitr

y of

air

to a

ir, w

ater

toai

r, a

nd g

roun

d to

air

hea

t pum

ps.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

def

rost

cont

rols

in h

eat p

ump

syst

ems;

for

exa

mpl

e, e

lect

roni

c de

man

dde

fros

t, pr

essu

re, t

ime/

tem

pera

ture

, tim

e, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

the

bala

nce

poin

t of

heat

pum

ps.

Inte

rpre

t the

bal

ance

cha

rt a

nd p

lot t

he b

alan

ce p

oint

of

a he

atpu

mp.

Des

ign

air

dist

ribu

tion

and

deliv

ery

syst

ems.

Fabr

icat

e an

d in

sula

te a

ir d

istr

ibut

ion

syst

ems.

Inst

all/s

ervi

ce v

apor

com

pres

sion

hea

t pum

p sy

stem

s.

Tro

uble

shoo

t vap

or c

ompr

essi

on m

echa

nica

l hea

t pum

p sy

stem

s.

43

Com

mer

cial

Con

ditio

ned-

Air

Sys

tem

s

Und

erst

and

and

appl

y th

e pr

inci

ples

of

cool

ing

tow

ers.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

pneu

mat

ic c

ontr

ol d

evic

es;

for

exam

ple,

ther

mos

tats

, pne

umat

ic a

ctua

tors

, pne

umat

ic s

witc

hes,

pneu

mat

ic r

elay

s, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

pum

ps a

nd c

ircu

lato

rs.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

low

and

hig

h pr

essu

re g

as-

fire

d bo

ilers

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

low

and

hig

h pr

essu

re o

il-fi

red

boile

rs.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

stea

m c

onde

nser

s an

d tr

aps.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

wat

er-c

oole

d co

nden

sers

and

acce

ssor

ies.

Und

erst

and

and

appl

y th

e pr

inci

ples

dehu

mid

ific

atio

n sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

acce

ssor

ies.

Und

erst

and

and

appl

y th

e pr

inci

ples

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

wat

er d

istr

ibut

ion

syst

ems.

of d

esic

cant

coo

ling

and

of li

quid

chi

llers

and

of a

ir d

istr

ibut

ion

and

deliv

ery

g 4

Und

erst

and

and

appl

y th

e pr

inci

ples

of

com

mer

cial

con

ditio

ned-

air

cont

rol s

yste

ms.

Inst

all/m

aint

ain/

serv

ice

pneu

mat

ic c

ontr

ol d

evic

es.

Inst

all/s

ervi

ce p

umps

and

cir

cula

tors

.

Inst

all/a

lign

shaf

ts in

fan

s, p

umps

, and

ope

n ty

pe c

ompr

esso

rs.

Inst

all/s

ervi

ce c

oolin

g to

wer

s an

d ac

cess

orie

s.

Inst

all/s

ervi

ce w

ater

-coo

led

cond

ense

rs a

nd a

cces

sori

es.

Inst

all/s

ervi

ce li

quid

chi

llers

and

acc

esso

ries

.

Inst

all/s

ervi

ce a

ir d

istr

ibut

ion

syst

ems

and

acce

ssor

ies.

Inst

all/s

ervi

ce w

ater

dis

trib

utio

n sy

stem

s an

d ac

cess

orie

s.

Inst

all/s

ervi

ce c

omm

erci

al c

ondi

tione

d-ai

r co

ntro

l sys

tem

s.

Perf

orm

sch

edul

ed m

onito

ring

/test

ing

proc

edur

es o

f co

mm

erci

alco

nditi

oned

-air

sys

tem

s.

Perf

orm

pre

vent

ativ

e in

spec

tion

and

mai

nten

ance

pro

cedu

res

ofco

mm

erci

al c

ondi

tione

d-ai

r sy

stem

s.

Perf

orm

com

mer

cial

con

ditio

ned-

air

syst

em s

tart

-up

proc

edur

es.

Perf

orm

com

mer

cial

con

ditio

ned-

air

syst

em s

hut-

dow

n pr

oced

ures

.

Tro

uble

shoo

t pne

umat

ic c

ontr

ol d

evic

es.

11

En

CO

PY A

VA

EIA

BL

E

45

Tro

uble

shoo

t pum

ps a

nd c

ircu

lato

rs.

Tro

uble

shoo

t coo

ling

tow

ers

and

acce

ssor

ies.

Tro

uble

shoo

t wat

er-c

oole

d co

nden

sers

and

acc

esso

ries

.

Tro

uble

shoo

t liq

uid

chill

ers

and

acce

ssor

ies.

Tro

uble

shoo

t air

dis

trib

utio

n sy

stem

s an

d ac

cess

orie

s.

Tro

uble

shoo

t wat

er d

istr

ibut

ion

syst

ems

and

acce

ssor

ies.

Tro

uble

shoo

t com

mer

cial

con

ditio

ned-

air

cont

rol s

yste

ms.

Com

mer

cial

Ref

riger

atio

n

Und

erst

and

and

appl

y th

e pr

inci

ples

of

high

, med

ium

, low

, and

ultr

a-lo

w te

mpe

ratu

re c

omm

erci

al r

efri

gera

tion

and

thei

rap

plic

atio

ns.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

mec

hani

cal r

efri

gera

tion

syst

ems

in c

omm

erci

al r

efri

gera

tion;

for

exa

mpl

e, w

alk-

in c

oole

rs,

wal

k-in

fre

ezer

s, r

each

-in

case

s, m

ultip

le e

vapo

rato

r sy

stem

s,pa

ckag

ed r

efri

gera

tion

syst

ems,

etc

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

elec

tric

and

hot

gas

def

rost

syst

ems

in c

omm

erci

al r

efri

gera

tion

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

flak

e an

d cu

be ic

e m

aker

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

wat

er c

oole

rs.

4q12

Und

erst

and

and

appl

y th

e pr

inci

ples

of

spec

ific

ref

rige

ratio

n sy

stem

com

pone

nts

used

in c

omm

erci

al r

efri

gera

tion;

for

exa

mpl

e, lo

wam

bien

t con

trol

s, e

vapo

rato

r pr

essu

re r

egul

ator

s, c

rank

case

pre

ssur

ere

gula

tors

, etc

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of

load

cal

cula

tion

and

pipi

ngde

sign

s in

com

mer

cial

ref

rige

ratio

n sy

stem

s.

Cal

cula

te th

e lo

ad, d

esig

n th

e pi

ping

sys

tem

, and

des

ign

the

cont

rol

syst

em o

f a

com

mer

cial

ref

rige

ratio

n sy

stem

.

Inst

all/s

ervi

ce c

omm

erci

al r

efri

gera

tion

syst

ems.

Inst

all/s

ervi

ce ic

e m

aker

s.

Inst

all/s

ervi

ce w

ater

coo

lers

.

Tro

uble

shoo

t hig

h te

mpe

ratu

re c

omm

erci

al r

efri

gera

tion

syst

ems.

Tro

uble

shoo

t med

ium

tem

pera

ture

com

mer

cial

ref

rige

ratio

nsy

stem

s.

Tro

uble

shoo

t low

tem

pera

ture

com

mer

cial

ref

rige

ratio

n sy

stem

s.

Tro

uble

shoo

t ultr

a-lo

w te

mpe

ratu

re c

omm

erci

al r

efri

gera

tion

syst

ems.

Tro

uble

shoo

t ice

mak

ers.

Tro

uble

shoo

t wat

er c

oole

rs.

47

Wor

kpla

ce B

ehav

iors

Com

mun

icat

ions

Pro

fess

iona

lism

Pro

blem

Sol

ving

War

kpA

ED

:ce

Beh

mA

ars

Wor

kpla

ce B

ehav

iors

iden

tify

a va

riet

y of

cha

ract

eris

tics

and

rela

ted

Com

ply

with

est

ablis

hed

rule

s, r

egul

atio

ns, a

nd p

olic

ies.

beha

vior

s re

quir

ed o

f te

chni

cian

s. A

lthou

gh W

orkp

lace

Beh

avio

rs a

re n

otdi

rect

ly li

nked

to te

chni

cal c

ompe

tenc

e, th

ey a

re d

efin

itely

ess

entia

l for

Adh

ere

to f

air

pric

ing

stan

dard

s.te

chni

cian

s to

be

hire

d an

d to

rem

ain

empl

oyab

le. W

orkp

lace

Beh

avio

rspl

ay a

cri

tical

rol

e be

caus

e th

ey r

efle

ct b

oth

tang

ible

and

non

-tan

gibl

eM

aint

ain

wor

k ho

urs

and

sche

dule

.el

emen

ts b

y w

hich

em

ploy

ers,

pee

rs, a

nd c

usto

mer

s ac

tual

ly ju

dge

ate

chni

cian

.Pr

actic

e co

st e

ffec

tiven

ess.

Thi

s pr

ojec

t cla

ssif

ied

Wor

kpla

ce B

ehav

iors

into

fiv

e ca

tego

ries

:E

thic

s, E

nvir

onm

ent,

Com

mun

icat

ion,

Pro

fess

iona

lism

, and

Pro

blem

Prac

tice

time

man

agem

ent.

Solv

ing.

Eth

ics Und

erst

and

and

adhe

re to

the

cond

uct r

ules

of

the

com

pany

.

Ass

ume

resp

onsi

bilit

y fo

r de

cisi

ons

and

actio

ns.

Dem

onst

rate

a w

illin

gnes

s to

lear

n.

Dem

onst

rate

abi

lity

to w

ork

as a

team

mem

ber.

Dis

play

initi

ativ

e.

Perf

orm

qua

lity

wor

k.

Exh

ibit

prid

e in

qua

lity

wor

k.

.

4 8

13

CO

PY A

VA

ILA

BL

E

Env

ironm

ent

Und

erst

and

and

appl

y en

viro

nmen

tal a

nd o

ccup

atio

nal s

afet

y pr

ac-

tices

and

reg

ulat

ions

.

Iden

tify

haza

rdou

s su

bsta

nces

in th

e w

ork

area

.

Mai

ntai

n w

ork

area

.

Res

pond

to e

mer

genc

ies.

Com

mun

icat

ion

Com

mun

icat

e or

ally

with

oth

ers.

Follo

w o

ral a

nd w

ritte

n di

rect

ions

.

49

Dis

play

list

enin

g sk

ills.

Problem Solving

Inte

rpre

t bod

y la

ngua

ge.

Em

ploy

rea

soni

ng s

kills

.

Prep

are

wri

tten

com

mun

icat

ion.

Eva

luat

e re

sults

of

impl

emen

ted

optio

n.

Util

ize

tele

phon

e et

ique

tte.

Eva

luat

e op

tions

.

Professionalism

Iden

tify

solu

tions

to a

pro

blem

and

thei

r im

pact

.

Acc

ept r

espo

nsib

ilitie

s of

an

empl

oyee

.Id

entif

y th

e pr

oble

m.

Ass

ess

busi

ness

imag

e, p

rodu

cts

and/

or s

ervi

ces.

Org

aniz

e w

orkl

oads

.

Ass

ume

resp

onsi

bilit

y fo

r aw

aren

ess

of te

chno

logi

cal a

ndSe

lect

and

impl

emen

t a s

olut

ion

to a

pro

blem

.

regu

lato

ry c

hang

es.

Set p

rior

ities

.

Con

vers

e in

wor

k-re

late

d te

rmin

olog

y.

Dis

play

a p

ositi

ve a

ttitu

de.

Follo

w c

ompa

ny d

ress

and

app

eara

nce

stan

dard

s.

Part

icip

ate

in e

mpl

oym

ent o

rien

tatio

n.

Tre

at p

eopl

e w

ith r

espe

ct.

Und

erst

and

and

appl

y th

e re

spon

sibi

litie

s of

an

empl

oyer

/man

age-

men

t.

Dis

play

saf

e an

d co

urte

ous

driv

ing

prac

tices

.

5014

5

THIS PAGE INTENTIONALLY LEFT BLANK

SA

FE

TY

AN

D E

NV

IRO

NM

EN

T

SS

ts

Mai

lvix

Cow

s Sk

i Hs

CO

RE

OC

CU

PA

TIO

NA

L K

NO

WLE

DG

E

Und

erst

and

and

appl

y sa

fety

reg

ulat

ions

and

pro

cedu

res.

Und

erst

and

and

appl

y fe

dera

l, st

ate,

and

loca

l reg

ulat

ions

for

disp

osin

g of

haz

ardo

us m

ater

ials

.

Und

erst

and

and

appl

y E

nviro

nmen

tal P

rote

ctio

n A

genc

y (E

PA

) re

gula

tions

on

vent

ing,

rec

over

y, r

ecla

imin

g, a

nd r

ecyc

ling

refr

iger

ants

.

Und

erst

and

and

appl

y th

e D

epar

tmen

t of T

rans

port

atio

n (D

OT

) re

gula

tions

on

the

tran

spor

tatio

n an

d ha

ndlin

g of

haz

ardo

us m

ater

ials

.

Und

erst

and

and

appl

y O

ccup

atio

nal S

afet

y an

d H

ealth

Adm

inis

trat

ion

(OS

HA

) re

gula

tions

.

Und

erst

and

and

appl

y E

nviro

nmen

tal P

rote

ctio

n A

genc

y (E

PA

) re

gula

tions

on

indo

or a

ir qu

ality

and

nitr

ous-

oxid

e.

15

54

ELE

CT

RIC

AL

PR

INC

IPLE

S

CO

RE

OC

CU

PA

TIO

NA

L K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ltern

atin

g an

d di

rect

cur

rent

.

Und

erst

and

and

reco

gniz

e th

e co

mm

on s

ingl

e an

d th

ree

phas

e vo

ltage

sys

tem

s in

clud

ing

230v

, 60h

z, s

ingl

e ph

ase;

208

v, 6

0hz,

thre

e ph

ase;

230v

, 60h

z, th

ree

phas

e; a

nd 4

60v,

60h

z, th

ree

phas

e.

Und

erst

and

and

appl

y th

e pr

inci

ples

of s

erie

s, p

aral

lel,

and

com

poun

d ci

rcui

ts.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

rel

atio

nshi

ps o

f Ohm

's, K

irchh

off's

, and

Wat

t's la

ws

as th

ey a

pply

to s

erie

s, p

aral

lel,

and

com

poun

dci

rcui

ts.

Rea

d an

d in

terp

ret v

olta

ge, a

mpe

re, o

hm, m

egoh

m, a

nd w

ait m

eter

s.

Rea

d an

d in

terp

ret s

chem

atic

dra

win

gs.

Dev

elop

sch

emat

ics

from

ele

ctric

al la

bel/l

ine

diag

ram

s.

Rea

d an

d in

terp

ret e

lect

rical

cod

es.

Und

erst

and

and

appl

y th

e pr

oper

ties

and

beha

vior

s of

ele

ctric

al c

ondu

ctor

s an

d in

sula

tors

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

rical

circ

uit p

rote

ctio

n in

clud

ing

fuse

s, c

ircui

t bre

aker

s, a

nd d

isco

nnec

t sw

itche

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of s

ingl

e an

d th

ree

phas

e tr

ansf

orm

ers.

Und

erst

and

and

appl

y el

ectr

ical

gro

undi

ng p

rinci

ples

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

rical

mea

sure

men

t.

SK

ILL

ST

AN

DA

RD

Tro

uble

shoo

t ele

ctric

al c

ircui

ts.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, a

nd c

ompl

ete.

The

pat

h of

the

circ

uit(

s) m

ust b

e ch

ecke

d fo

r co

ntin

uity

, the

load

, sou

rce,

and

sw

itch(

s) m

ust b

e ch

ecke

d.P

robl

em(s

) w

ith th

e ci

rcui

t(s)

mus

t be

docu

men

ted

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

Inst

all e

lect

rical

pow

er a

nd c

ontr

ol c

ircui

ts.

Ele

ctric

al p

ower

and

con

trol

circ

uits

mus

t be

inst

alle

d ac

cord

ing

to jo

b sp

ecifi

catio

ns,

man

ufac

ture

r's s

peci

ficat

ions

, and

ele

ctric

al c

odes

. Circ

uits

mus

t be

spec

ified

type

for

inte

nded

ser

vice

and

app

licat

ion.

Wiri

ng m

ust b

e m

echa

nica

lly s

ecur

e an

d el

ectr

ical

cont

inui

ty m

ust b

e es

tabl

ishe

d. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all a

nd c

onne

ct th

e co

mpo

nent

s of

ele

ctric

alci

rcui

ts.

,._a

Ele

ctric

al c

ompo

nent

s m

ust b

e in

stal

led

and

conn

ecte

d ac

cord

ing

to m

anuf

actu

rer's

spec

ifica

tions

and

ele

ctric

al c

ode.

Com

pone

nt m

ust b

e m

echa

nica

lly s

ecur

e, a

nd e

lect

rical

cont

inui

ty m

ust b

e es

tabl

ishe

d. C

ompo

nent

s m

ust p

erfo

rm fu

nctio

ns s

peci

fied

bym

anuf

actu

rer.

App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

5516

58

ELE

CT

RIC

MO

TO

RS

CO

RE

OC

CU

PA

TIO

NA

L K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e op

erat

ing

prin

cipl

es o

f ele

ctric

mot

ors.

Und

erst

and

and

reco

gniz

e th

e ap

plic

atio

n of

var

ious

type

s of

ele

ctric

mot

ors.

Und

erst

and

and

reco

gniz

e th

e ap

plic

atio

n of

var

ious

type

s of

cap

acito

rs.

Und

erst

and

the

prin

cipl

es a

nd o

pera

tion

of e

lect

ric m

otor

pro

tect

ion

devi

ces.

Und

erst

and

and

inte

rpre

t ele

ctric

mot

or s

peci

ficat

ions

.

SK

ILL

ST

AN

DA

RD

Inst

all a

nd c

onne

ct e

lect

ric m

otor

s.T

he m

otor

mus

t be

conn

ecte

d to

the

pow

er s

ourc

e ac

cord

ing

to m

anuf

actu

rer's

spe

cific

atio

nsan

d el

ectr

ical

cod

es a

nd h

ave

a co

de-a

ppro

ved

grou

nd. C

onne

ctio

ns m

ust b

e m

echa

nica

llyse

cure

, and

ele

ctric

al c

ontin

uity

mus

t be

esta

blis

hed.

Mot

or m

ust o

pera

te a

s sp

ecifi

ed w

ithou

tun

war

rant

ed v

ibra

tion.

App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

Per

form

ele

ctric

mot

or m

aint

enan

ce.

The

mot

or m

ust b

e cl

eane

d of

deb

ris a

nd lu

bric

ated

acc

ordi

ng to

man

ufac

ture

r'ssp

ecifi

catio

ns. T

he d

rive

belts

mus

t be

alig

ned

and

tens

ione

d as

nec

essa

ry. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Tro

uble

shoo

t ele

ctric

mot

ors.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, a

nd c

ompl

ete

and

follo

w th

em

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

If th

e el

ectr

ic m

otor

doe

s no

t ope

rate

afte

res

tabl

ishi

ng e

lect

rical

pot

entia

l, ch

eck

the

star

ting

com

pone

nt, b

earin

gs, a

nd w

indi

ngs.

Pro

blem

(s)

with

the

devi

ces

and

thei

r su

bsys

tem

s m

ust b

e do

cum

ente

d.

.57

17

58

C N

TR

OLS

CO

RE

OC

CU

PA

TIO

NA

L K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of s

afet

y an

d op

erat

ing

cont

rol d

evic

es; f

or e

xam

ple,

pre

ssur

e sw

itche

s, th

erm

osta

ts, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

rom

echa

nica

l con

trol

dev

ices

; for

exa

mpl

e, r

elay

s, c

onta

ctor

s, m

agne

tic s

tart

ers,

tim

ers,

sequ

ence

rs, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

roni

c co

ntro

l dev

ices

; for

exa

mpl

e, ig

nitio

n m

odul

es, e

lect

roni

c tim

ers,

etc

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of s

afet

y an

d co

ntro

l circ

uits

.

SK

ILL

ST

AN

DA

RD

Inst

all/s

ervi

ce m

echa

nica

l con

trol

dev

ices

.M

echa

nica

l con

trol

dev

ices

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spec

ifica

tions

and

mus

t com

ply

with

app

licab

le c

odes

. The

dev

ices

mus

t be

mec

hani

cally

secu

re a

nd a

ll el

ectr

ical

or

cont

rol c

ircui

ts m

ust p

rovi

de th

e vo

ltage

and

con

trol

spe

cifie

d.P

reve

ntiv

e m

aint

enan

ce m

ust b

e pe

rfor

med

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

n.If

a m

echa

nica

l con

trol

dev

ice(

s) r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

d an

d al

lco

mpo

nent

s or

sub

syst

ems

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. R

epai

red

orre

plac

ed c

ompo

nent

s m

ust p

erfo

rm a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd th

esy

stem

mus

t per

form

as

spec

ified

.

Inst

all/s

ervi

ce e

lect

rom

echa

nica

l con

trol

dev

ices

.E

lect

rom

echa

nica

l con

trol

dev

ices

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spec

ifica

tions

and

mus

t com

ply

with

app

licab

le c

odes

. The

dev

ices

mus

t be

mec

hani

cally

secu

re a

nd a

ll el

ectr

ical

or

cont

rol c

ircui

ts m

ust p

rovi

de th

e vo

ltage

and

con

trol

spe

cifie

d.P

reve

ntiv

e m

aint

enan

ce m

ust b

e pe

rfor

med

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

n.If

an e

lect

rom

echa

nica

l con

trol

dev

ice(

s) r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

dan

d al

l com

pone

nts

or s

ubsy

stem

s ou

t of m

anuf

actu

rer's

spe

cific

atio

ns m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

d co

mpo

nent

s m

ust p

erfo

rm a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

nsan

d th

e sy

stem

mus

t per

form

as

spec

ified

.

Tro

uble

shoo

t mec

hani

cal c

ontr

ol d

evic

es.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, a

nd c

ompl

ete

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e de

vice

(s)

or th

eir

subs

yste

m's

norm

al p

aram

eter

s m

ust b

e no

ted.

Sys

tem

com

pone

nts

oper

atin

g ou

t of m

anuf

actu

rer's

spec

ifica

tions

mus

t be

iden

tifie

d. P

robl

em(s

) w

ith th

e de

vice

s an

d th

eir

subs

yste

m m

ust b

edo

cum

ente

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

5918

1 60

CO

NT

RO

LS (

cont

inue

d)

ST

AN

DA

RD

SK

ILL

Tro

uble

shoo

t ele

ctro

mec

hani

cal d

evic

es.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, a

nd c

ompl

ete

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e de

vice

(s)

or th

eir

subs

yste

m's

norm

al p

aram

eter

s m

ust b

e no

ted.

Pro

blem

(s)

with

the

devi

ces

and

thei

r su

bsys

tem

s m

ust b

edo

cum

ente

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t ele

ctro

nic

cont

rol d

evic

es.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, a

nd c

ompl

ete

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

the

devi

ce(s

) or

thei

r su

bsys

tem

'sno

rmal

par

amet

ers

mus

t be

note

d. P

robl

em(s

) w

ith th

e de

vice

s an

d th

eir

subs

yste

ms

mus

t be

docu

men

ted

and

a pl

an fo

r th

e re

pair

mus

t be

form

ulat

ed.

61

19

62

RE

FR

IGE

RA

TIO

N P

RIN

CIP

LES

AN

D P

RA

CT

ICE

S

CO

RE

OC

CU

PA

TIO

NA

L K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e th

eory

of h

eat.

Und

erst

and

and

appl

y th

e pr

oper

ties

of r

efrig

eran

ts.

Und

erst

and

and

appl

y th

e m

echa

nica

l ref

riger

atio

n cy

cle.

Und

erst

and

and

appl

y pr

essu

re/te

mpe

ratu

re c

urve

s an

d ch

arts

.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

the

oper

atio

n of

com

pres

sors

.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

con

dens

ers.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

met

erin

g de

vice

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

eva

pora

tors

.

Und

erst

and

the

oper

atio

n of

ref

riger

atio

n sy

stem

acc

esso

ries;

for

exam

ple,

rec

eive

rs, a

ccum

ulat

ors,

filte

r/dr

yers

, sig

ht g

lass

es, v

alve

s, e

tc.

SK

ILL

ST

AN

DA

RD

Per

form

leak

test

s.Le

aks

mus

t be

dete

cted

, if p

rese

nt. L

eak

dete

ctor

mus

t be

oper

ated

acc

ordi

ng to

man

ufac

ture

r's in

stru

ctio

ns. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Eva

cuat

e an

d m

easu

re th

e va

cuum

leve

l of

refr

iger

atio

n sy

stem

s.R

efrig

erat

ion

circ

uit m

ust b

e ev

acua

ted

to s

peci

fied

vacu

um le

vel u

sing

indu

stry

acc

epta

ble

proc

edur

es. A

pplic

able

saf

ety

proc

edur

e m

ust b

e fo

llow

ed.

Rec

over

ref

riger

ants

.R

efrig

eran

t mus

t be

reco

vere

d us

ing

a ce

rtifi

ed-r

efrig

eran

t rec

over

y un

it. A

ll re

frig

eran

t mus

t be

capt

ured

and

the

syst

em e

vacu

ated

to E

PA

spe

cific

atio

n fo

r th

e cl

ass

of s

yste

m.

Cha

rge

refr

iger

atio

n sy

stem

s.T

he m

echa

nica

l ref

riger

atio

n sy

stem

s m

ust b

e ch

arge

d w

ith th

e co

rrec

t ref

riger

ant t

om

anuf

actu

rer's

spe

cific

atio

ns u

sing

man

ufac

ture

r's c

harg

ing

info

rmat

ion.

If m

anuf

actu

rer's

spec

ifica

tions

are

not

ava

ilabl

e, a

ccep

ted

indu

stry

sta

ndar

ds m

ust b

e ob

serv

ed. W

hen

char

ging

the

syst

em, t

he te

chni

cian

mus

t com

ply

with

the

appl

icab

le e

nviro

nmen

tal a

ndbu

ildin

g co

des

and

safe

ty p

roce

dure

s m

ust b

e ob

serv

ed.

Rec

ycle

ref

riger

ants

.R

ecov

ered

ref

riger

ant m

ust b

e cl

eane

d by

sep

arat

ing

any

oil f

rom

the

refr

iger

ant a

nd p

assi

ngth

roug

h fil

ter/

drye

rs to

red

ucin

g ac

ids,

moi

stur

e, a

nd o

ther

con

tam

inan

ts.

6320

6.

RE

FR

IGE

RA

TIO

N P

RIN

CIP

LES

AN

D P

RA

CT

ICE

S (

cont

inue

d)

SK

ILL

ST

AN

DA

RD

Tro

uble

shoo

t mec

hani

cal r

efrig

erat

ion

syst

ems.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, a

nd c

ompl

ete

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e re

frig

erat

ion

syst

em's

nor

mal

oper

atin

g pa

ram

eter

s m

ust b

e no

ted.

Sys

tem

com

pone

nts

and

devi

ces

oper

atin

g ou

t of

man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

65

21

66

HE

AT

ING

PR

INC

IPLE

S A

ND

PR

AC

TIC

ES

CO

RE

OC

CU

PA

TIO

NA

L K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of f

uel s

yste

m d

esig

n.

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir an

d hy

dron

ic d

istr

ibut

ion

and

deliv

ery

syst

em d

esig

n.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

ele

ctric

res

ista

nce

heat

sys

tem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

gas

-fire

d fo

rced

-air

heat

ing

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

ric h

eat p

ump

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

oil-

fired

forc

ed a

ir he

atin

g sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

gas

-fire

d hy

dron

ic h

eat s

yste

ms.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

oil-

fired

hyd

roni

c he

at s

yste

ms.

Und

erst

and

and

appl

y th

e pr

inci

ples

of v

entin

g an

d dr

ain

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

ipe

sizi

ng a

nd la

yout

for

both

and

heat

dis

trib

utio

n.

6722

68

AIR

CO

ND

ITIO

NIN

G P

RIN

CIP

LES

AN

D P

RA

CT

ICE

S

CO

RE

OC

CU

PA

TIO

NA

L K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir-co

nditi

onin

g in

clud

ing

tem

pera

ture

, hum

idity

, and

air

mov

emen

t, et

c.

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir di

strib

utio

n an

d de

liver

y sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of c

onde

nsat

e dr

ain

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir fil

trat

ion

syst

ems.

SK

ILL

ST

AN

DA

RD

Des

ign

air

dist

ribut

ion

syst

ems.

The

air

dist

ribut

ion

and

deliv

ery

syst

em m

ust b

e de

sign

ed to

con

form

to a

ll ap

plic

able

cod

es.

The

sys

tem

mus

t pro

vide

airf

low

to r

oom

s co

nsis

tent

with

hea

t los

s/he

at g

ain

calc

ulat

ions

.

g9

23

70

PIP

ING

PR

INC

IPLE

S A

ND

PR

AC

TIC

ES C

OR

E O

CC

UP

AT

ION

AL

KN

OW

LED

GE

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

ipin

g sy

stem

s in

clud

ing

the

fact

ors

that

affe

ct p

ipe

sele

ctio

n, p

ipe

size

, and

sys

tem

des

ign.

Und

erst

and

and

sele

ct th

e pr

oper

fitti

ng o

r va

lve

for

spec

ific

appl

icat

ions

; for

exa

mpl

e, g

lobe

val

ves,

gat

e va

lves

, ang

le v

alve

s, c

heck

val

ves,

elbo

ws,

tees

, uni

ons,

cou

plin

gs, h

alf u

nion

s, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

ipe

acce

ssor

ies;

for

exam

ple,

flan

ges,

isol

ator

s, h

ange

rs, e

xpan

sion

join

ts, e

xpan

sion

, loo

ps, s

uppo

rts,

insu

latio

n, e

tc.

SK

ILL

ST

AN

DA

RD

Per

form

cop

per

tubi

ng o

pera

tions

incl

udin

gcu

tting

, fla

ring,

sol

derin

g, b

razi

ng, b

endi

ng,

swag

ging

, etc

.

Cop

per

pipe

and

tubi

ng o

pera

tions

mus

t be

mad

e ac

cord

ing

to m

anuf

actu

rer's

spe

cific

atio

ns,

job

spec

ifica

tions

, and

cod

es. W

hen

conn

ectin

g co

pper

pip

e or

tubi

ng w

ith in

-line

dev

ices

or

othe

r pi

ping

, the

pro

per

and

acce

ptab

le m

etho

d fo

r jo

inin

g m

ust b

e us

ed. W

hen

join

ed, t

hepi

pe o

r tu

bing

mus

t be

cut s

quar

e, th

e in

terio

r m

ust b

e de

burr

ed, m

ust b

e bo

ttom

ed in

the

conn

ectio

n, a

nd th

e jo

int m

ust b

e tig

ht w

ith n

o le

aks.

Tub

e be

nds

mus

t be

smoo

th a

nd tu

rned

to s

peci

fied

angl

e. T

ubin

g m

ust n

ot fl

atte

n or

kin

k in

ben

ds. R

uns

mus

t con

form

to jo

bre

quire

men

ts. C

lam

ps a

nd s

uppo

rts

mus

t be

inst

alle

d se

cure

ly a

nd m

ust b

e sp

aced

to h

old

pipe

and

tubi

ng w

ith s

peci

fied

pitc

h w

ithou

t sag

ging

bet

wee

n cl

amps

and

sup

port

s.

Per

form

ste

el p

ipe

oper

atio

ns in

clud

ing

cuffi

ng,

ream

ing,

thre

adin

g, c

onne

ctin

g, e

tc.

Ste

el p

ipe

oper

atio

ns m

ust b

e m

ade

acco

rdin

g to

man

ufac

ture

r's s

peci

ficat

ions

, job

spec

ifica

tions

, and

cod

es. W

hen

join

ing

stee

l pip

e w

ith in

-line

dev

ices

or

othe

r pi

pe, t

he p

ipe

mus

t be

cut s

quar

e an

d de

burr

ed a

nd m

ust b

e th

read

ed w

ith r

equi

red

num

ber

of th

read

s.T

hrea

d se

alan

t mus

t be

appl

ied

to p

ipe

so a

s no

t to

ente

r in

side

of p

ipe

whe

n jo

int i

s m

ade.

Join

t mus

t be

mad

e up

with

out l

eaki

ng. R

uns

mus

t con

form

to jo

b re

quire

men

ts. C

lam

ps a

ndsu

ppor

ts m

ust b

e in

stal

led

secu

rely

and

mus

t be

spac

ed to

hol

d pi

pe w

ith s

peci

fied

pitc

hw

ithou

t sag

ging

bet

wee

n cl

amps

and

sup

port

s. A

pplic

able

saf

ety

proc

edur

es m

ust b

efo

llow

ed.

Per

form

PV

C p

ipe

oper

atio

ns in

clud

ing

cutti

ng,

conn

ectin

g, e

tc.

PV

C p

ipe

oper

atio

ns m

ust b

e m

ade

acco

rdin

g to

job

and

man

ufac

ture

r's s

peci

ficat

ions

, and

appl

icab

le c

odes

. Whe

n jo

inin

g P

VC

pip

e w

ith in

-line

dev

ices

or

othe

r pi

pe, t

he p

ipe

mus

t be

cut s

quar

e an

d de

burr

ed, a

nd jo

ined

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

. Joi

nt m

ust

not l

eak.

Pip

e ru

ns m

ust c

onfo

rm to

job

requ

irem

ents

. Cla

mps

and

sup

port

s m

ust b

e in

stal

led

secu

rely

and

mus

t be

spac

ed to

hol

d pi

pe w

ith s

peci

fied

pitc

h w

ithou

t sag

ging

bet

wee

ncl

amps

and

sup

port

s. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

,7

g

24

.7 2

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L H

EA

TIN

G

Ski

ll S

tand

ards

M tr

ix

Occ

upat

i En-

Sped

fic

Skiii

lfis

OC

CU

PA

TIO

N-S

PE

CIF

IC K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of f

uel s

yste

m d

esig

n.

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir di

strib

utio

n sy

stem

des

ign.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

ele

ctric

res

ista

nce

heat

sys

tem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

gas

-fire

d fo

rced

-air

heat

ing

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

oil-

fired

forc

ed a

ir he

atin

g sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

gas

-fire

d hy

dron

ic h

eat s

yste

ms.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

oil-

fired

hyd

roni

c he

at s

yste

ms.

Und

erst

and

and

appl

y th

e pr

inci

ples

of v

entin

g an

d dr

ain

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

ipe

sizi

ng a

nd la

yout

incl

udin

g liq

uid

prop

ane

and

natu

ral g

as a

nd o

il.

Und

erst

and

and

appl

y th

e pr

inci

ples

of h

umid

ifica

tion.

7325

74

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L H

EA

TIN

G (

cont

inue

d)

SK

ILL

ST

AN

DA

RD

Inst

all/s

ervi

ce g

as-f

ired

forc

ed a

ir he

atin

g sy

stem

s.T

he g

as-f

ired

forc

ed a

ir he

atin

g sy

stem

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spec

ifica

tions

and

mus

t com

ply

with

app

licab

le c

odes

. The

gas

-fire

d fu

rnac

e m

ust b

em

echa

nica

lly s

ecur

e, v

ente

d pr

oper

ly, a

nd a

ll el

ectr

ical

or

cont

rol c

ircui

ts m

ust p

rovi

de th

evo

ltage

and

con

trol

spe

cifie

d. T

he g

as-f

ired

forc

ed a

ir he

atin

g sy

stem

mus

t per

form

tosp

ecifi

catio

ns, r

un q

uiet

ly, a

nd p

rovi

de th

e ai

r flo

w r

equi

red

by th

e sy

stem

. All

safe

ty d

evic

esm

ust f

unct

ion

corr

ectly

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ion

and

sche

dule

. If t

he g

as-f

ired

forc

ed a

ir he

atin

g sy

stem

req

uire

sse

rvic

e, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

s or

sub

syst

ems

out o

fm

anuf

actu

rer's

spe

cific

atio

ns m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

d co

mpo

nent

s m

ust

perf

orm

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust p

erfo

rm a

s sp

ecifi

ed.

App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

Inst

all/s

ervi

ce o

il-fir

ed fo

rced

air

heat

ing

syst

ems.

The

oil-

fired

forc

ed a

ir he

atin

g sy

stem

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spec

ifica

tions

and

mus

t com

ply

with

app

licab

le c

odes

. The

oil-

fired

furn

ace

mus

t be

mec

hani

cally

sec

ure,

ven

ted

prop

erly

, and

all

elec

tric

al o

r co

ntro

l circ

uits

mus

t pro

vide

the

volta

ge a

nd c

ontr

ol s

peci

fied.

The

oil-

fired

forc

ed a

ir he

atin

g sy

stem

mus

t per

form

tosp

ecifi

catio

ns, r

un q

uiet

ly a

nd p

rovi

de th

e ai

r flo

w r

equi

red

by th

e sy

stem

. All

safe

ty d

evic

esm

ust f

unct

ion

corr

ectly

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ion

and

sche

dule

. If t

he o

il-fir

ed fo

rced

air

heat

ing

syst

em r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

d an

d al

l com

pone

nts

or s

ubsy

stem

s ou

t of

man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

tpe

rfor

m a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd th

e sy

stem

mus

t per

form

as

spec

ified

.A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce h

ydro

nic

heat

sys

tem

s.T

he g

as-f

ired

or o

il-fir

ed h

ydro

nic

heat

ing

syst

em m

ust b

e in

stal

led

acco

rdin

g to

man

ufac

ture

r'ssp

ecifi

catio

ns, j

ob s

peci

ficat

ions

, and

app

licab

le c

odes

. The

boi

ler,

hyd

roni

c ci

rcul

atin

gde

vice

s an

d pi

ping

mus

t be

size

d to

mee

t str

uctu

re's

hea

ting

requ

irem

ents

and

pro

vide

dom

estic

hot

-wat

er r

equi

rem

ents

. The

hyd

roni

c sy

stem

mus

t be

fille

d ac

cord

ing

tom

anuf

actu

rer's

spe

cific

atio

ns a

nd in

acc

orda

nce

with

man

ufac

ture

r's p

roce

dure

s.

The

aut

omat

ic fe

eder

, exp

ansi

on ta

nk, a

nd z

one

valv

es, a

ir ve

nt, a

nd p

ress

ure

relie

f val

ve(s

)m

ust n

ot le

ak a

nd m

ust p

erfo

rm a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns. I

f the

gas

-fire

d or

oil-f

ired

hydr

onic

hea

ting

syst

em r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

d an

d al

lco

mpo

nent

s or

sub

syst

ems

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. R

epai

red

orre

plac

ed c

ompo

nent

s m

ust p

erfo

rm a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd th

esy

stem

mus

t per

form

as

spec

ified

. App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

2676

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L H

EA

TIN

G (

cont

inue

d)

SK

ILL

ST

AN

DA

RD

Fab

ricat

e/in

stal

l/ser

vice

ven

ting

and

drai

nsy

stem

s.

Ven

ts a

nd d

rain

s m

ust b

e fa

bric

ated

to c

ompl

y w

ith jo

b sp

ecifi

catio

ns, S

MA

CN

A s

tand

ards

,an

d ap

plic

able

cod

es. A

ll se

ams

and

join

ts m

ust b

e se

cure

with

no

leak

age.

The

ven

ts a

nddr

ains

mus

t be

inst

alle

d an

d su

ppor

ted

acco

rdin

g to

job

and

code

spe

cific

atio

ns. I

f ven

ting

and

drai

n sy

stem

s re

quire

ser

vice

, all

subs

yste

ms

and/

or c

ompo

nent

s no

t per

form

ing

tosp

ecifi

catio

ns m

ust b

e id

entif

ied

and

repa

ired

or r

epla

ced.

The

sys

tem

s m

ust p

erfo

rm a

ssp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce h

umid

ifier

s.H

umid

ifier

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spe

cific

atio

ns. U

nit m

ust

oper

ate

quie

tly a

nd r

espo

nd to

the

hum

idis

tat's

sig

nals

.It

mus

t not

leak

or

over

flow

. If t

hehu

mid

ifier

req

uire

s se

rvic

e, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

s or

sub

syst

ems

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust p

erfo

rm a

ssp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Tro

uble

shoo

t gas

-fire

d fo

rced

air

heat

ing

syst

ems.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e ga

s-fir

ed fo

rced

-air

syst

em's

norm

al o

pera

ting

para

met

ers

mus

t be

note

d. G

as v

alve

s, ig

nitio

n m

odul

es, p

ilot l

ight

asse

mbl

ies,

blo

wer

fans

, the

rmos

tats

, filt

ers,

and

oth

er s

yste

m c

ompo

nent

s an

d sa

fety

dev

ices

syst

em c

ompo

nent

s op

erat

ing

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t oil-

fired

forc

ed a

ir he

atin

g sy

stem

s.D

iagn

ostic

pro

cedu

res

mus

t be

syst

emat

ic, c

ompr

ehen

sive

, com

plet

e, a

nd fo

llow

man

ufac

ture

r's d

iagn

ostic

cha

rt w

hen

avai

labl

e. E

lect

rical

cha

ract

eris

tics,

pre

ssur

es, a

ndte

mpe

ratu

res

or o

ther

dia

gnos

tic c

hara

cter

istic

s ou

tsid

e of

the

oil-f

ired

forc

ed-a

ir sy

stem

'sno

rmal

ope

ratin

g pa

ram

eter

s m

ust b

e no

ted.

Oil

pum

ps, b

low

er fa

ns, t

herm

osta

ts, f

ilter

s, a

ndot

her

syst

em c

ompo

nent

s an

d sa

fety

dev

ices

ope

ratin

g ou

t of m

anuf

actu

rer's

spe

cific

atio

nsm

ust b

e id

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

Tro

uble

shoo

t hyd

roni

c he

at s

yste

ms.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e ga

s or

oil-

fired

hyd

roni

c he

atin

gsy

stem

's n

orm

al o

pera

ting

para

met

ers

mus

t be

note

d. C

ircul

ator

s an

d pu

mps

, zon

e va

lves

, air

vent

s, p

ress

ure

relie

f val

ves

and

othe

r sy

stem

com

pone

nts

and

safe

ty d

evic

es o

pera

ting

out o

fm

anuf

actu

rer's

spe

cific

atio

ns m

ust b

e id

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

Tro

uble

shoo

t ven

ting

and

drai

n sy

stem

s.D

iagn

ostic

pro

cedu

res

mus

t be

syst

emat

ic, c

ompr

ehen

sive

, com

plet

e, a

nd fo

llow

man

ufac

ture

r's d

iagn

ostic

cha

rt w

hen

avai

labl

e. A

ny r

estr

ictio

n to

flow

or

leak

age

mus

t be

iden

tifie

d an

d a

plan

to r

epai

r m

ust b

e fo

rmul

ated

.

7727

C,

,7 8

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L A

IR C

ON

DIT

ION

ING

OC

CU

PA

TIO

N-S

PE

CIF

IC K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir co

nditi

onin

g in

clud

ing

tem

pera

ture

, hum

idity

, and

air

mov

emen

t, et

c.

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir di

strib

utio

n sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of c

onde

nsat

e dr

ain

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir fil

trat

ion

syst

ems.

SK

ILL

ST

AN

DA

RD

Des

ign

air

dist

ribut

ion

and

deliv

ery

syst

ems.

The

air

dist

ribut

ion

and

deliv

ery

syst

em m

ust b

e de

sign

ed to

con

form

to a

ll ap

plic

able

cod

es.

The

sys

tem

mus

t pro

vide

airf

low

to r

oom

s co

nsis

tent

with

hea

t los

s/he

at g

ain

calc

ulat

ions

.

Fab

ricat

e an

d in

sula

te a

ir di

strib

utio

n sy

stem

s.D

uct m

ust b

e fa

bric

ated

and

insu

late

d to

com

ply

with

job

spec

ifica

tions

and

SM

AC

NA

stan

dard

s. A

ll se

ams

mus

t be

secu

re. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all a

ir di

strib

utio

n sy

stem

s.T

he a

ir di

strib

utio

n tr

unk

and

bran

ches

mus

t be

inst

alle

d in

acc

orda

nce

with

the

air

dist

ribut

ion

and

deliv

ery

plan

and

app

licab

le c

odes

. The

trun

k an

d br

anch

es m

ust b

e in

stal

led

and

supp

orte

d se

cure

ly. B

ranc

hes

mus

t be

conn

ecte

d to

the

trun

k an

d jo

ints

mus

t be

seal

ed to

insu

re n

o ai

r le

akag

e. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce c

onde

nsat

e dr

ain

syst

ems.

The

con

dens

ate

drai

n sy

stem

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spec

ifica

tions

and

mus

t com

ply

with

app

licab

le c

odes

. The

sys

tem

mus

t be

mec

hani

cally

secu

re a

nd a

ll el

ectr

ical

or

cont

rol c

ircui

ts m

ust p

rovi

de th

e vo

ltage

and

con

trol

spe

cifie

d.P

reve

ntiv

e m

aint

enan

ce m

ust b

e pe

rfor

med

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

nan

d sc

hedu

le. I

f a c

onde

nsat

e dr

ain

syst

em r

equi

res

serv

ice,

all

subs

yste

ms

and/

orco

mpo

nent

s no

t per

form

ing

to s

peci

ficat

ions

mus

t be

iden

tifie

d an

d re

paire

d or

rep

lace

d. T

hesy

stem

mus

t per

form

as

spec

ified

. App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

Inst

all/s

ervi

ce a

ir fil

trat

ion

syst

ems.

The

air

filtr

atio

n sy

stem

mus

t be

inst

alle

d ac

cord

ing

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd jo

bsp

ecifi

catio

ns. T

he s

yste

m m

ust b

e m

echa

nica

lly s

ecur

e an

d al

l ele

ctric

al o

r co

ntro

l circ

uits

mus

t pro

vide

the

volta

ge a

nd c

ontr

ol s

peci

fied.

Air

filtr

atio

n el

emen

ts m

ust b

e cl

eane

d or

repl

aced

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

n, s

ched

ule,

or

as n

eede

d. If

the

air

filtr

atio

n sy

stem

req

uire

s se

rvic

e, a

ll su

bsys

tem

s an

d/or

com

pone

nts

not p

erfo

rmin

g to

spec

ifica

tions

mus

t be

iden

tifie

d an

d re

paire

d or

rep

lace

d. T

he s

yste

m m

ust p

erfo

rm a

ssp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

7928

80

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L A

IR C

ON

DIT

ION

ING

(co

ntin

ued)

SK

ILL

ST

AN

DA

RD

Inst

all/s

ervi

ce s

plit

air-

cond

ition

ing

syst

ems.

The

air

cond

ition

ing

syst

em m

ust b

e in

stal

led

acco

rdin

g to

job

and

man

ufac

ture

r'ssp

ecifi

catio

ns a

nd m

ust c

ompl

y w

ith a

pplic

able

cod

es. T

he u

nit m

ust b

e m

echa

nica

lly s

ecur

ean

d al

l ele

ctric

al o

r co

ntro

l circ

uits

mus

t pro

vide

the

volta

ge a

nd c

ontr

ol s

peci

fied.

The

air

cond

ition

ing

unit

mus

t be

char

ged

as n

eces

sary

, per

form

qui

etly

, to

spec

ifica

tions

, and

pro

vide

the

air

flow

req

uire

d by

the

syst

em. A

ll sa

fety

dev

ices

mus

t fun

ctio

n co

rrec

tly. T

he c

onde

nsat

edr

ain

mus

t mee

t man

ufac

ture

r's s

peci

ficat

ions

and

app

licab

le c

odes

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sche

dule

. If a

uni

t req

uire

s se

rvic

e, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

s or

subs

yste

ms

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

epe

rfor

m a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce p

acka

ged

air-

cond

ition

ing

syst

ems.

The

air

cond

ition

ing

syst

em m

ust b

e in

stal

led

acco

rdin

g to

job

and

man

ufac

ture

r'ssp

ecifi

catio

ns a

nd m

ust c

ompl

y w

ith a

pplic

able

cod

es. T

he u

nit m

ust b

e m

echa

nica

lly s

ecur

ean

d al

l ele

ctric

al o

r co

ntro

l circ

uits

mus

t pro

vide

the

volta

ge a

nd c

ontr

ol s

peci

fied.

The

air

cond

ition

ing

unit

mus

t per

form

qui

etly

, to

spec

ifica

tions

, and

pro

vide

the

air

flow

req

uire

d by

the

syst

em. A

ll sa

fety

dev

ices

mus

t fun

ctio

n co

rrec

tly. T

he c

onde

nsat

e dr

ain

mus

t mee

tm

anuf

actu

rer's

spe

cific

atio

ns a

nd a

pplic

able

cod

es.

Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sche

dule

. If a

uni

t req

uire

s se

rvic

e, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

sor

sub

syst

ems

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. T

he u

nit m

ust b

ech

arge

d, r

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r'ssp

ecifi

catio

ns a

nd th

e sy

stem

mus

t be

perf

orm

as

spec

ified

. App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

Inst

all/s

ervi

ce e

vapo

rativ

e co

oler

s.T

he e

vapo

rativ

e co

oler

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spe

cific

atio

nsan

d m

ust c

ompl

y w

ith a

pplic

able

cod

es. T

he u

nit m

ust b

e m

echa

nica

lly s

ecur

e an

d al

lel

ectr

ical

or

cont

rol c

ircui

ts m

ust p

rovi

de th

e vo

ltage

and

con

trol

spe

cifie

d. T

he e

vapo

rativ

eco

oler

mus

t per

form

qui

etly

, to

spec

ifica

tions

, and

pro

vide

the

air

flow

req

uire

d by

the

syst

em,

and

all s

afet

y de

vice

s m

ust f

unct

ion

corr

ectly

. The

wat

er d

eliv

ery

pipe

and

ove

rflo

w d

rain

mus

tm

eet m

anuf

actu

rer's

spe

cific

atio

ns a

nd a

pplic

able

cod

es. P

reve

ntiv

e m

aint

enan

ce m

ust b

epe

rfor

med

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

ns a

nd s

ched

ule.

If a

uni

t req

uire

sse

rvic

e, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

s or

sub

syst

ems

out o

fm

anuf

actu

rer's

spe

cific

atio

ns m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

d co

mpo

nent

s m

ust

perf

orm

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

e pe

rfor

m a

ssp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

8129

82

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L

SK

ILL

AIR

CO

ND

ITIO

NIN

G (

cont

inue

d)

ST

AN

DA

RD

Tro

uble

shoo

t air-

cond

ition

ing

syst

ems.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e ai

r co

nditi

onin

g sy

stem

's n

orm

alop

erat

ing

para

met

ers

mus

t be

note

d. B

low

er fa

ns, t

herm

osta

ts, f

ilter

s, s

afet

y de

vice

s, a

ndot

her

syst

em c

ompo

nent

s op

erat

ing

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

dan

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t eva

pora

tive

cool

ers.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, or

othe

rdi

agno

stic

cha

ract

eris

tics

outs

ide

of th

e ev

apor

ativ

e co

oler

's n

orm

al o

pera

ting

para

met

ers

mus

t be

note

d. P

umps

, blo

wer

fans

, the

rmos

tats

, filt

ers,

saf

ety

devi

ces,

and

oth

er s

yste

mco

mpo

nent

s op

erat

ing

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t con

dens

ate

drai

n sy

stem

s.D

iagn

ostic

pro

cedu

res

mus

t be

syst

emat

ic, c

ompr

ehen

sive

, and

com

plet

e. A

ny r

estr

ictio

n to

cond

ensa

te fl

ow th

roug

h th

e dr

ain

or o

ne th

e dr

ains

' com

pone

nts

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t air

filtr

atio

n sy

stem

s.D

iagn

ostic

pro

cedu

res

mus

t be

syst

emat

ic, c

ompr

ehen

sive

, com

plet

e, a

nd fo

llow

man

ufac

ture

r's d

iagn

ostic

cha

rt w

hen

avai

labl

e. E

lect

rical

cha

ract

eris

tics,

air

flow

, or

othe

rdi

agno

stic

cha

ract

eris

tics

outs

ide

of th

e ai

r fil

trat

ion'

s no

rmal

ope

ratin

g pa

ram

eter

s m

ust b

eno

ted.

Any

sys

tem

com

pone

nts

oper

atin

g ou

t of m

anuf

actu

rer's

spe

cific

atio

ns m

ust b

eid

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

8330

84

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L H

EA

T P

UM

PS

OC

CU

PA

TIO

N-S

PE

CIF

IC K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of v

apor

com

pres

sion

hea

t pum

p cy

cles

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of s

uppl

emen

tary

hea

t.

Und

erst

and

and

appl

y th

e re

latio

nshi

p of

out

door

am

bien

t tem

pera

ture

to h

eatin

g ca

paci

ty.

Und

erst

and

and

appl

y th

e el

ectr

ical

circ

uitr

y of

air

to a

ir, w

ater

to a

ir, a

nd g

roun

d to

air

heat

pum

ps.

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

n of

def

rost

con

trol

s in

hea

t pum

p sy

stem

s; fo

r ex

ampl

e, e

lect

roni

c de

man

d de

fros

t, pr

essu

re,

time/

tem

pera

ture

, tim

e, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of t

he b

alan

ce p

oint

of h

eat p

umps

.

SK

ILL

ST

AN

DA

RD

Inte

rpre

t the

bal

ance

cha

rt a

nd p

lot t

he b

alan

cepo

int o

f a h

eat p

ump.

A c

hart

of h

eat g

ain/

heat

loss

and

equ

ipm

ent c

apac

ity m

ust b

e co

nstr

ucte

d an

d th

e ba

lanc

epo

int d

eter

min

ed. S

uppl

emen

tal h

eat s

tage

s m

ust b

e de

term

ined

and

set

in th

e eq

uipm

ent.

Des

ign

air

dist

ribut

ion

and

deliv

ery

syst

ems.

The

air

dist

ribut

ion

and

deliv

ery

syst

em m

ust b

e de

sign

ed to

con

form

to a

ll ap

plic

able

cod

es.

The

sys

tem

mus

t pro

vide

airf

low

to r

oom

s co

nsis

tent

with

hea

t los

s/he

at g

ain

calc

ulat

ions

.

Fab

ricat

e an

d in

sula

te a

ir di

strib

utio

n sy

stem

s.D

uct m

ust b

e fa

bric

ated

and

insu

late

d to

com

ply

with

job

spec

ifica

tions

and

SM

AC

NA

stan

dard

s. A

ll se

ams

mus

t be

secu

re. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce v

apor

com

pres

sion

hea

t pum

psy

stem

s.

The

vap

or c

ompr

essi

on h

eat p

ump

syst

em m

ust b

e in

stal

led

acco

rdin

g to

job

and

man

ufac

ture

r's s

peci

ficat

ions

and

mus

t com

ply

with

app

licab

le c

odes

. The

uni

t mus

t be

mec

hani

cally

sec

ure

and

all e

lect

rical

or

cont

rol c

ircui

ts m

ust p

rovi

de th

e vo

ltage

and

con

trol

spec

ified

. The

hea

t pum

p un

it an

d its

sup

plem

enta

ry h

eat s

yste

m m

ust p

erfo

rm q

uiet

ly, t

osp

ecifi

catio

ns, a

nd p

rovi

de th

e ai

r flo

w r

equi

red

by th

e sy

stem

. All

safe

ty d

evic

es m

ust f

unct

ion

corr

ectly

. The

con

dens

ate

drai

n m

ust m

eet m

anuf

actu

rer's

spe

cific

atio

ns a

nd a

pplic

able

code

s. P

reve

ntiv

e m

aint

enan

ce m

ust b

e pe

rfor

med

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spec

ifica

tions

and

sch

edul

e. If

a u

nit r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

d an

d al

lco

mpo

nent

s or

sub

syst

ems

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

e pe

rfor

m a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

8

31

RE

SID

EN

TIA

L A

ND

LIG

HT

CO

MM

ER

CIA

L H

EA

T P

UM

PS

(co

ntin

ued)

SK

ILL

ST

AN

DA

RD

Tro

uble

shoo

t vap

or c

ompr

essi

on m

echa

nica

l hea

tpu

mp

syst

ems.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e ai

r co

nditi

onin

g sy

stem

's n

orm

alop

erat

ing

para

met

ers

mus

t be

note

d. B

low

er fa

ns, t

herm

osta

ts, f

ilter

s, s

afet

y de

vice

s, a

ndot

her

syst

em c

ompo

nent

s op

erat

ing

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

dan

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

8732

CO

MM

ER

CIA

L C

ON

DIT

ION

ED

-AIR

SY

ST

EM

S

OC

CU

PA

TIO

N-S

PE

CIF

IC K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of c

oolin

g to

wer

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

neum

atic

con

trol

dev

ices

; for

exa

mpl

e, th

erm

osta

ts, p

neum

atic

act

uato

rs, p

neum

atic

sw

itche

s,pn

eum

atic

rel

ays,

etc

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

umps

and

circ

ulat

ors.

Und

erst

and

and

appl

y th

e pr

inci

ples

of l

ow a

nd h

igh

pres

sure

gas

-fire

d bo

ilers

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of l

ow a

nd h

igh

pres

sure

oil-

fired

boi

lers

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of s

team

con

dens

ers

and

trap

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of w

ater

-coo

led

cond

ense

rs a

nd a

cces

sorie

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of d

esic

cant

coo

ling

and

dehu

mid

ifica

tion

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of l

iqui

d ch

iller

s an

d ac

cess

orie

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir di

strib

utio

n an

d de

liver

y sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of w

ater

dis

trib

utio

n sy

stem

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of c

omm

erci

al c

ondi

tione

d-ai

r co

ntro

l sys

tem

s.

SK

ILL

ST

AN

DA

RD

Inst

all/m

aint

ain/

serv

ice

pneu

mat

ic c

ontr

olde

vice

s.T

he p

neum

atic

con

trol

dev

ices

mus

t be

inst

alle

d ac

cord

ing

to m

anuf

actu

rer's

and

job

spec

ifica

tions

. Pne

umat

ic c

ontr

ol d

evic

es (

valv

e ac

tuat

ors,

rel

ays,

ther

mos

tatic

rec

eive

rs,

rece

iver

con

trol

lers

, etc

.) m

ust o

pera

te p

rope

rly a

nd c

ause

the

syst

em c

ompo

nent

s to

inte

ract

mai

ntai

ning

the

sele

cted

con

ditio

ns in

the

cond

ition

ed s

pace

. Pre

vent

ive

mai

nten

ance

mus

tbe

per

form

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sch

edul

e. If

the

pneu

mat

ic c

ontr

ol d

evic

es r

equi

re r

epai

r, th

e pr

oble

m m

ust b

e di

agno

sed

and

all

com

pone

nts

or s

ubsy

stem

s ou

t of s

peci

ficat

ion

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

epe

rfor

m a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

8933

CO

MM

ER

CIA

L C

ON

DIT

ION

ED

-AIR

SK

ILL

SY

ST

EM

S (

cont

inue

d)

ST

AN

DA

RD

Inst

all/s

ervi

ce p

umps

and

circ

ulat

ors.

The

pum

ps a

nd c

ircul

ator

s m

ust b

e in

stal

led

acco

rdin

g to

man

ufac

ture

r's a

nd jo

bsp

ecifi

catio

ns. P

umps

and

circ

ulat

ors

mus

t ope

rate

qui

etly

with

min

imum

vib

ratio

n an

d m

ust

deliv

er th

e re

quire

d flo

w a

t req

uire

d pr

essu

re w

ithou

t lea

kage

. Pre

vent

ive

mai

nten

ance

mus

tbe

per

form

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sch

edul

e. If

the

pum

psan

d ci

rcul

ator

s re

quire

rep

air,

the

prob

lem

(s)

mus

t be

diag

nose

d an

d al

l com

pone

nts

orsu

bsys

tem

s ou

t of s

peci

ficat

ion

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

tpe

rfor

m a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd th

e sy

stem

mus

t be

perf

orm

as

spec

ified

. App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

Inst

all/a

lign

shaf

ts in

fans

, pum

ps, a

nd o

pen

type

com

pres

sors

.T

he s

hafts

mus

t be

inst

alle

d ac

cord

ing

to m

anuf

actu

rer's

and

job

spec

ifica

tions

. Sha

fts m

ust

oper

ate

quie

tly w

ith m

inim

um v

ibra

tion.

The

sha

ft an

d its

driv

e co

mpo

nent

s m

ust b

e al

igne

dan

d te

nsio

ned

corr

ectly

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sch

edul

e. If

sha

fts o

r th

eir

driv

e co

mpo

nent

s re

quire

rep

air,

the

prob

lem

mus

t be

diag

nose

d an

d al

l com

pone

nts

out o

f spe

cific

atio

n m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

d co

mpo

nent

s m

ust p

erfo

rm a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

nsan

d th

e sy

stem

mus

t be

perf

orm

as

spec

ified

. App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

Inst

all/s

ervi

ce c

oolin

g to

wer

s an

d ac

cess

orie

s.T

he w

ater

tow

er a

nd it

s ac

cess

orie

s m

ust b

e in

stal

led

acco

rdin

g to

job

and

man

ufac

ture

r'ssp

ecifi

catio

ns a

nd a

pplic

able

cod

es. T

he w

ater

tow

er a

nd it

s ac

cess

orie

s (p

umps

, che

mic

alfe

ed, s

trai

ners

, etc

.) m

ust o

pera

te to

spe

cific

atio

ns. P

reve

ntiv

e m

aint

enan

ce m

ust b

epe

rfor

med

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

ns a

nd s

ched

ule.

If th

e w

ater

tow

eran

d its

acc

esso

ries

requ

ire r

epai

r, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

s or

subs

yste

ms

out o

f spe

cific

atio

n m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

d co

mpo

nent

s m

ust

perf

orm

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

e pe

rfor

m a

ssp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce w

ater

-coo

led

cond

ense

rs a

ndac

cess

orie

s.T

he w

ater

con

dens

er a

nd it

s ac

cess

orie

s m

ust b

e in

stal

led

acco

rdin

g to

job

and

man

ufac

ture

r's s

peci

ficat

ions

and

app

licab

le c

odes

. The

wat

er c

onde

nser

and

its

acce

ssor

ies

(pum

ps, f

ilter

s, e

tc.)

mus

t ope

rate

to s

peci

ficat

ions

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sch

edul

e. If

the

wat

erco

nden

ser

and

its a

cces

sorie

s re

quire

rep

air,

the

prob

lem

mus

t be

diag

nose

d an

d al

lco

mpo

nent

s or

sub

syst

ems

out o

f spe

cific

atio

n m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

dco

mpo

nent

s m

ust p

erfo

rm a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd th

e sy

stem

mus

t be

perf

orm

ed a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

9134

92

CO

MM

ER

CIA

L C

ON

DIT

ION

ED

-AIR

SY

ST

EM

S (

cont

inue

d)

SK

ILL

ST

AN

DA

RD

Inst

all/s

ervi

ce li

quid

chi

llers

and

acc

esso

ries.

The

liqu

id c

hille

r an

d its

acc

esso

ries

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spec

ifica

tions

and

app

licab

le c

odes

. The

liqu

id c

hille

r an

d its

acc

esso

ries

(pum

ps, f

ilter

s, e

tc.)

mus

t ope

rate

to s

peci

ficat

ions

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sch

edul

e. If

the

liqui

d ch

iller

and

its

acce

ssor

ies

requ

irere

pair,

the

prob

lem

mus

t be

diag

nose

d an

d al

l com

pone

nts

or s

ubsy

stem

s ou

t of s

peci

ficat

ion

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

e pe

rfor

m a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce a

ir di

strib

utio

n sy

stem

s an

dac

cess

orie

s.T

he a

ir di

strib

utio

n sy

stem

's tr

unk

and

bran

ches

mus

t be

inst

alle

d in

acc

orda

nce

with

the

air

dist

ribut

ion

and

deliv

ery

plan

and

app

licab

le c

odes

. The

trun

k an

d br

anch

es m

ust b

e in

stal

led

and

supp

orte

d se

cure

ly. J

oint

s m

ust b

e se

aled

to in

sure

no

air

leak

age.

All

acce

ssor

ies

mus

tbe

inst

alle

d ac

cord

ing

to m

anuf

actu

rer's

spe

cific

atio

n an

d ap

plic

able

cod

es. T

he a

cces

sorie

sm

ust p

erfo

rm a

s sp

ecifi

ed. P

reve

ntiv

e m

aint

enan

ce m

ust b

e pe

rfor

med

in a

ccor

danc

e w

ithm

anuf

actu

rer's

spe

cific

atio

ns a

nd s

ched

ule.

If th

e sy

stem

req

uire

s se

rvic

e, th

e pr

oble

m m

ust

be d

iagn

osed

and

all

com

pone

nts

or s

ubsy

stem

s ou

t of s

peci

ficat

ion

mus

t be

iden

tifie

d.R

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

e pe

rfor

m a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce w

ater

dis

trib

utio

n sy

stem

s an

dac

cess

orie

s.T

he w

ater

dis

trib

utio

n sy

stem

mus

t be

inst

alle

d in

acc

orda

nce

with

the

wat

er d

istr

ibut

ion

and

deliv

ery

plan

and

app

licab

le c

odes

. The

pip

e m

ust b

e in

stal

led

in a

sec

ure

man

ner,

sup

port

edto

con

form

with

goo

d pr

actic

es a

nd a

pplic

able

cod

es. A

ll ac

cess

orie

s m

ust b

e in

stal

led

acco

rdin

g to

man

ufac

ture

r's s

peci

ficat

ion

and

appl

icab

le c

odes

and

mus

t per

form

as

spec

ified

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r'ssp

ecifi

catio

ns a

nd s

ched

ule.

If th

e sy

stem

req

uire

s se

rvic

e, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

s or

sub

syst

ems

out o

f spe

cific

atio

n m

ust b

e id

entif

ied.

Rep

aire

d or

repl

aced

com

pone

nts

mus

t per

form

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust b

e pe

rfor

m a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Inst

all/s

ervi

ce c

omm

erci

al c

ondi

tione

d-ai

r co

ntro

lsy

stem

s.

-. q I

The

com

mer

cial

con

ditio

ned-

air

syst

em m

ust b

e in

stal

led

acco

rdin

g to

job

and

man

ufac

ture

r'ssp

ecifi

catio

ns a

nd m

ust c

ompl

y w

ith a

pplic

able

cod

es. T

he s

yste

m m

ust b

e m

echa

nica

llyse

cure

and

all

elec

tric

al o

r co

ntro

l circ

uits

mus

t pro

vide

the

volta

ge a

nd c

ontr

ol s

peci

fied.

The

syst

em in

clud

ing

heat

ing

units

, ref

riger

atio

n un

its, a

nd a

ir ha

ndle

rs m

ust p

erfo

rm to

spec

ifica

tions

and

all

safe

ty d

evic

es m

ust f

unct

ion

corr

ectly

. Ele

ctro

nic,

ele

ctric

al, p

neum

atic

,an

d m

echa

nica

l con

trol

dev

ices

mus

t per

form

as

spec

ified

. Pre

vent

ive

mai

nten

ance

mus

t be

perf

orm

ed in

acc

orda

nce

with

man

ufac

ture

r's s

peci

ficat

ions

and

sch

edul

e. If

a u

nit r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

d an

d al

l com

pone

nts

or s

ubsy

stem

s ou

t of

man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

tpe

rfor

m a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd th

e sy

stem

mus

t be

perf

orm

as

spec

ified

. App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

3594

CO

MM

ER

CIA

L C

ON

DIT

ION

ED

-AIR

SK

ILL

SY

ST

EM

S (

cont

inue

d)

ST

AN

DA

RD

Per

form

sch

edul

ed m

onito

ring/

test

ing

proc

edur

esof

com

mer

cial

con

ditio

ned-

air

syst

ems.

The

com

mer

cial

con

ditio

ned

air

syst

em's

pre

ssur

es, t

empe

ratu

res,

per

form

ance

, and

saf

ety

cont

rol s

yste

ms

mus

t be

mon

itore

d/te

sted

acc

ordi

ng to

site

and

man

ufac

ture

r's p

roce

dure

san

d sc

hedu

les.

Sub

syst

ems

and

com

pone

nts

incl

udin

g bo

iler

wat

er le

vel,

boile

rpr

essu

re/te

mpe

ratu

re, s

tack

tem

pera

ture

s, p

ump

pres

sure

s, fl

ame

mon

itor,

feed

tank

, and

com

bust

ion

mus

t be

mon

itore

d/te

sted

as

sche

dule

d an

d re

sults

rec

orde

d in

the

appr

opria

telo

gs. O

ther

saf

ety

rela

ted

syst

ems

incl

udin

g w

ater

cut

-off,

con

tinuo

us b

low

dow

n, s

afet

y re

lief

valv

es, a

nd s

team

trap

s m

ust b

e in

spec

ted,

mon

itore

d, a

nd te

sted

acc

ordi

ng to

site

sch

edul

es.

Liqu

id c

hille

rs, a

ir co

mpr

esso

rs, c

oolin

g to

wer

s, a

ir ha

ndle

rs, e

mer

genc

y ge

nera

tors

, and

oth

ersy

stem

com

pone

nts

mus

t be

mon

itore

d, te

sted

, or

insp

ecte

d ac

cord

ing

to s

ite a

ndm

anuf

actu

rer's

sch

edul

e. R

esul

ts o

f mon

itorin

g, te

stin

g, o

r in

spec

ting

mus

t be

reco

rded

and

devi

atio

ns fr

om n

orm

al o

pera

ting

stat

us m

ust b

e re

port

ed a

nd a

ppro

pria

te a

ctio

n ta

ken.

Per

form

pre

vent

ativ

e in

spec

tion

and

mai

nten

ance

pro

cedu

res

of c

omm

erci

alco

nditi

oned

-air

syst

ems.

Pre

vent

ativ

e m

aint

enan

ce fo

r ea

ch c

ompo

nent

of t

he c

omm

erci

al c

ondi

tione

d-ai

r sy

stem

mus

t be

perf

orm

ed a

s sc

hedu

led

or r

equi

red

by s

ite a

nd/o

r m

anuf

actu

rer's

pro

cedu

res.

Com

pone

nts

and

thei

r in

stru

men

ts a

nd c

ontr

ols

incl

udin

g bo

ilers

, pum

ps, f

eed

tank

s, v

alve

s,an

d sa

fety

-rel

ated

con

trol

s, g

auge

s, a

nd r

elie

f val

ves

mus

t be

insp

ecte

d an

d pr

even

tativ

em

aint

enan

ce a

ctiv

ities

per

form

ed a

s re

quire

d. L

iqui

d ch

iller

s, a

ir co

mpr

esso

rs, c

oolin

g to

wer

s,ai

r ha

ndle

rs, e

mer

genc

y ge

nera

tors

, and

oth

er s

yste

m c

ompo

nent

s m

ust b

e in

spec

ted

and

prev

enta

tive

mai

nten

ance

act

iviti

es a

ccom

plis

hed

acco

rdin

g to

site

and

man

ufac

ture

r'spr

oced

ures

. Res

ults

of i

nspe

ctio

ns a

nd p

reve

ntat

ive

mai

nten

ance

mus

t be

reco

rded

and

devi

atio

ns fr

om n

orm

al o

pera

ting

stat

us m

ust b

e re

port

ed a

nd a

ppro

pria

te a

ctio

n ta

ken.

Per

form

com

mer

cial

con

ditio

ned-

air

syst

em s

tart

-up

pro

cedu

res.

Sta

rt-u

p of

con

ditio

ned-

air

syst

ems

mus

t adh

ere

to th

e do

cum

ente

d st

art-

up p

roce

dure

s fo

r th

esy

stem

. Sta

rt-u

p pr

oced

ures

incl

udin

g m

onito

ring,

test

ing,

and

doc

umen

ting

mus

t be

com

plet

e an

d in

the

sequ

ence

pre

scrib

ed b

y th

e st

art-

up m

anua

l. A

ny c

hara

cter

istic

s ou

tsid

eth

e no

rmal

val

ues

of th

e sy

stem

req

uire

s ha

lting

the

star

t-up

pro

cess

and

ret

urni

ng th

e sy

stem

to a

shu

t-do

wn

stat

us. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Per

form

com

mer

cial

con

ditio

ned-

air

syst

em s

hut-

dow

n pr

oced

ures

.S

hut-

dow

n of

con

ditio

ned-

air

syst

ems

mus

t adh

ere

to th

e do

cum

ente

d sh

ut-d

own

proc

edur

esfo

r th

e sy

stem

. Shu

t-do

wn

proc

edur

es in

clud

ing

mon

itorin

g, te

stin

g, a

nd d

ocum

entin

g m

ust b

eco

mpl

ete

and

in th

e se

quen

ce p

rosc

ribed

by

the

shut

-dow

n m

anua

l. A

ny c

hara

cter

istic

sou

tsid

e th

e no

rmal

val

ues

of th

e sy

stem

req

uire

s do

cum

entin

g th

e pr

oble

m. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Tro

uble

shoo

t pne

umat

ic c

ontr

ol d

evic

es.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Any

cha

ract

eris

tics

outs

ide

of th

e pn

eum

atic

cont

rol s

yste

m a

nd it

s de

vice

s' n

orm

al o

pera

ting

para

met

ers

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir fo

rmul

ated

.

3696

CO

MM

ER

CIA

L C

ON

DIT

ION

ED

-AIR

SY

ST

EM

S (

cont

inue

d)

SK

ILL

ST

AN

DA

RD

Tro

uble

shoo

t pum

ps a

nd c

ircul

ator

s.D

iagn

ostic

pro

cedu

res

mus

t be

syst

emat

ic, c

ompr

ehen

sive

, com

plet

e, a

nd fo

llow

man

ufac

ture

r's d

iagn

ostic

cha

rt w

hen

avai

labl

e. T

he p

ump/

circ

ulat

or's

ele

ctric

alch

arac

teris

tics,

out

put f

low

and

pre

ssur

es, o

r ot

her

diag

nost

ic c

hara

cter

istic

s ou

tsid

e of

the

com

pone

nt's

nor

mal

ope

ratin

g pa

ram

eter

s m

ust b

e id

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

Tro

uble

shoo

t coo

ling

tow

ers

and

acce

ssor

ies.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

The

coo

ling

tow

er a

nd it

s ac

cess

orie

s(p

umps

, che

mic

al fe

eds,

str

aine

rs, e

tc.)

ele

ctric

al c

hara

cter

istic

s, te

mpe

ratu

res,

pre

ssur

es o

rot

her

diag

nost

ic c

hara

cter

istic

s ou

tsid

e of

the

com

pone

nt's

nor

mal

ope

ratin

g pa

ram

eter

s m

ust

be id

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

Tro

uble

shoo

t wat

er-c

oole

d co

nden

sers

and

acce

ssor

ies.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

The

wat

er-c

oole

d co

nden

ser

and

itsac

cess

orie

s' e

lect

rical

cha

ract

eris

tics,

pre

ssur

es, a

nd te

mpe

ratu

res

or o

ther

dia

gnos

ticch

arac

teris

tics

outs

ide

of th

e co

mpo

nent

's n

orm

al o

pera

ting

para

met

ers

mus

t be

iden

tifie

dan

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

. The

sys

tem

mus

t be

insp

ecte

d fo

r cl

eanl

ines

s an

dm

iner

al d

epos

it bu

ild-u

p. If

the

syst

em is

con

tam

inat

ed o

r ha

s ex

cess

ive

depo

sit b

uild

-up,

the

syst

em m

ust b

e cl

eane

d.

Tro

uble

shoo

t liq

uid

chill

ers

and

acce

ssor

ies.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

The

liqu

id c

hille

r an

d its

acc

esso

ries'

ele

ctric

alch

arac

teris

tics,

pre

ssur

es, a

nd te

mpe

ratu

res

or o

ther

dia

gnos

tic c

hara

cter

istic

s ou

tsid

e of

the

com

pone

nt's

nor

mal

ope

ratin

g pa

ram

eter

s m

ust b

e id

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed. T

he s

yste

m m

ust b

e in

spec

ted

for

clea

nlin

ess

and

min

eral

dep

osit

build

-up.

If th

esy

stem

is c

onta

min

ated

or

has

exce

ssiv

e de

posi

t bui

ld-u

p, th

e sy

stem

mus

t be

clea

ned.

Tro

uble

shoo

t air

dist

ribut

ion

syst

ems

and

acce

ssor

ies.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

The

air

dist

ribut

ion

syst

em a

nd it

s ac

cess

orie

s'el

ectr

ical

cha

ract

eris

tics,

pre

ssur

es, a

nd te

mpe

ratu

res

or o

ther

dia

gnos

tic c

hara

cter

istic

sou

tsid

e of

the

com

pone

nt's

nor

mal

Ope

ratin

g pa

ram

eter

s m

ust b

e id

entif

ied

and

a pl

an fo

rre

pair

mus

t be

form

ulat

ed.

Tro

uble

shoo

t wat

er d

istr

ibut

ion

syst

ems

and

acce

ssor

ies.

.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

The

wat

er d

istr

ibut

ion

syst

em a

nd it

sac

cess

orie

s' e

lect

rical

cha

ract

eris

tics,

pre

ssur

es, t

empe

ratu

res

or o

ther

dia

gnos

ticch

arac

teris

tics

outs

ide

of th

e co

mpo

nent

's n

orm

al o

pera

ting

para

met

ers

mus

t be

iden

tifie

dan

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

9737

CO

MM

ER

CIA

L C

ON

DIT

ION

ED

-AIR

SY

ST

EM

S (

cont

inue

d)

SK

ILL

ST

AN

DA

RD

Tro

uble

shoo

t com

mer

cial

con

ditio

ned-

air

cont

rol

syst

ems.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

,te

mpe

ratu

res

or o

ther

dia

gnos

tic c

hara

cter

istic

s ou

tsid

e of

the

com

mer

cial

con

ditio

ned-

air

syst

em's

nor

mal

ope

ratin

g pa

ram

eter

s m

ust b

e no

ted.

Boi

lers

, air

hand

lers

, liq

uid

chill

ers,

cool

ing

tow

ers,

wat

er-c

oole

d co

nden

sers

, circ

ulat

ors

and

pum

ps, z

one

valv

es, a

ir ve

nts,

pres

sure

rel

ief v

alve

s an

d ot

her

syst

em c

ompo

nent

s an

d sa

fety

dev

ices

ope

ratin

g ou

t of

man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

99

38

100

CO

MM

ER

CIA

L R

EF

RIG

ER

AT

ION

OC

CU

PA

TIO

N-S

PE

CIF

IC K

NO

WLE

DG

E

Und

erst

and

and

appl

y th

e pr

inci

ples

of h

igh,

med

ium

, low

, and

ultr

a-lo

w te

mpe

ratu

re c

omm

erci

al r

efrig

erat

ion

and

thei

r ap

plic

atio

ns.

Und

erst

and

and

appl

y th

e pr

inci

ples

of m

echa

nica

l ref

riger

atio

n sy

stem

s in

com

mer

cial

ref

riger

atio

n; fo

r ex

ampl

e, w

alk-

in c

oole

rs, w

alk-

infr

eeze

rs, r

each

-in c

ases

, mul

tiple

eva

pora

tor

syst

ems,

pac

kage

d re

frig

erat

ion

syst

ems,

etc

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

ric a

nd h

ot g

as d

efro

st s

yste

ms

in c

omm

erci

al r

efrig

erat

ion

syst

ems.

Und

erst

and

and

appl

y th

e pr

inci

ples

of f

lake

and

cub

e ic

e m

aker

s.

Und

erst

and

and

appl

y th

e pr

inci

ples

of w

ater

coo

lers

.

Und

erst

and

and

appl

y th

e pr

inci

ples

of s

peci

fic r

efrig

erat

ion

syst

em c

ompo

nent

s us

ed in

com

mer

cial

ref

riger

atio

n; fo

r ex

ampl

e, lo

w a

mbi

ent

cont

rols

, eva

pora

tor

pres

sure

reg

ulat

ors,

cra

nkca

se p

ress

ure

regu

lato

rs, e

tc.

Und

erst

and

and

appl

y th

e pr

inci

ples

of l

oad

calc

ulat

ion

and

pipi

ng d

esig

ns in

com

mer

cial

ref

riger

atio

n sy

stem

s.

SK

ILL

ST

AN

DA

RD

Cal

cula

te th

e lo

ad, d

esig

n th

e pi

ping

sys

tem

, and

desi

gn th

e co

ntro

l sys

tem

of a

com

mer

cial

refr

iger

atio

n sy

stem

.

The

des

ign

of th

e co

mm

erci

al r

efrig

erat

ion

syst

em m

ust m

eet t

he r

efrig

erat

ion

need

s of

the

area

and

con

form

to a

ll ap

plic

able

cod

es. H

eat g

ain/

heat

loss

mus

t be

calc

ulat

ed fo

r ea

chzo

ne. T

he a

ir di

strib

utio

n an

d de

liver

y sy

stem

mus

t be

desi

gned

to p

rovi

de a

ir flo

w r

equi

red

byth

e zo

ne(s

). T

he p

ipin

g sy

stem

for

deliv

erin

g co

olin

g m

edia

mus

t be

desi

gned

to m

eet t

hene

eds

of th

e zo

ne(s

) an

d th

eir

spec

ific

equi

pmen

t and

sys

tem

. The

con

trol

sys

tem

mus

t be

desi

gn to

pro

vide

con

trol

of t

he te

mpe

ratu

re r

equi

red

in th

e zo

ne a

nd th

e de

fros

t and

oth

erre

quire

men

ts o

f the

ref

riger

atio

n sy

stem

.

Inst

all/s

ervi

ce c

omm

erci

al r

efrig

erat

ion

syst

ems.

The

com

mer

cial

ref

riger

atio

n sy

stem

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spec

ifica

tions

and

mus

t com

ply

with

app

licab

le c

odes

. The

uni

t mus

t be

mec

hani

cally

sec

ure

and

all e

lect

rical

or

cont

rol c

ircui

ts m

ust p

rovi

de th

e vo

ltage

and

con

trol

spe

cifie

d. T

here

frig

erat

ion

syst

em m

ust p

erfo

rm q

uiet

ly a

nd to

spe

cific

atio

ns, a

ll sa

fety

dev

ices

mus

t fun

ctio

nco

rrec

tly, a

nd p

rovi

de th

e te

mpe

ratu

res

requ

ired

by th

e sp

ecifi

catio

ns. P

reve

ntiv

em

aint

enan

ce m

ust b

e pe

rfor

med

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

ns a

ndsc

hedu

le. I

f a u

nit r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

d an

d al

l com

pone

nts

orsu

bsys

tem

s ou

t of m

anuf

actu

rer's

spe

cific

atio

ns m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

dco

mpo

nent

s m

ust p

erfo

rm a

ccor

ding

to m

anuf

actu

rer's

spe

cific

atio

ns a

nd th

e sy

stem

mus

tpe

rfor

m a

s sp

ecifi

ed. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

3910

2

CO

MM

ER

CIA

L R

EF

RIG

ER

AT

ION

(co

ntin

ued)

SK

ILL

ST

AN

DA

RD

Inst

all/s

ervi

ce ic

e m

aker

s.T

he ic

e m

aker

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spe

cific

atio

ns a

nd m

ust

com

ply

with

app

licab

le c

odes

. The

uni

t mus

t be

mec

hani

cally

sec

ure

and

mus

t com

ply

with

appl

icab

le e

lect

rical

or

plum

bing

cod

es. T

he ic

e m

aker

mus

t per

form

qui

etly

and

to d

esig

nsp

ecifi

catio

ns. T

he w

ater

mus

t be

clea

n an

d th

e w

ater

leve

l adj

uste

d to

spe

cific

atio

ns. T

hew

ater

sup

ply

and

cond

ensa

te d

rain

mus

t mee

t man

ufac

ture

r's s

peci

ficat

ions

and

app

licab

leco

des.

The

uni

ts d

efro

st s

yste

m m

ust p

erfo

rm to

spe

cific

atio

ns. P

reve

ntiv

e m

aint

enan

ce m

ust

be p

erfo

rmed

in a

ccor

danc

e w

ith m

anuf

actu

rer's

spe

cific

atio

ns a

nd s

ched

ule.

If a

uni

tre

quire

s se

rvic

e, th

e pr

oble

m m

ust b

e di

agno

sed

and

all c

ompo

nent

s or

sub

syst

ems

out o

fm

anuf

actu

rer's

spe

cific

atio

ns m

ust b

e id

entif

ied.

Rep

aire

d or

rep

lace

d co

mpo

nent

s m

ust

perf

orm

acc

ordi

ng to

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust p

erfo

rm a

s sp

ecifi

edw

hen

retu

rned

to d

uty.

App

licab

le s

afet

y pr

oced

ures

mus

t be

follo

wed

.

Inst

all/s

ervi

ce w

ater

coo

lers

.T

he w

ater

coo

ler

mus

t be

inst

alle

d ac

cord

ing

to jo

b an

d m

anuf

actu

rer's

spe

cific

atio

ns a

ndm

ust c

ompl

y w

ith a

pplic

able

cod

es. T

he u

nit m

ust b

e m

echa

nica

lly s

ecur

e w

ith n

o le

aks

and

mus

t com

ply

with

app

licab

le e

lect

rical

or

plum

bing

cod

es. T

he u

nit m

ust p

erfo

rm q

uiet

ly a

ndco

ol w

ater

to d

esig

n sp

ecifi

catio

ns. P

reve

ntiv

e m

aint

enan

ce m

ust b

e pe

rfor

med

inac

cord

ance

with

man

ufac

ture

r's s

peci

ficat

ions

and

sch

edul

e. If

a u

nit r

equi

res

serv

ice,

the

prob

lem

mus

t be

diag

nose

d an

d al

l com

pone

nts

or s

ubsy

stem

s ou

t of m

anuf

actu

rer's

spec

ifica

tions

mus

t be

iden

tifie

d. R

epai

red

or r

epla

ced

com

pone

nts

mus

t per

form

acc

ordi

ngto

man

ufac

ture

r's s

peci

ficat

ions

and

the

syst

em m

ust p

erfo

rm a

s sp

ecifi

ed w

hen

retu

rned

tose

rvic

e. A

pplic

able

saf

ety

proc

edur

es m

ust b

e fo

llow

ed.

Tro

uble

shoo

t hig

h te

mpe

ratu

re c

omm

erci

alre

frig

erat

ion

syst

ems.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e re

frig

erat

ion

syst

em's

nor

mal

oper

atin

g pa

ram

eter

s m

ust b

e no

ted.

Blo

wer

fans

, the

rmos

tats

, filt

ers,

and

oth

er s

yste

mco

mpo

nent

s an

d sa

fety

dev

ices

sys

tem

com

pone

nts

oper

atin

g ou

t of m

anuf

actu

rer's

spec

ifica

tions

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t med

ium

tem

pera

ture

com

mer

cial

refr

iger

atio

n sy

stem

s.D

iagn

ostic

pro

cedu

res

mus

t be

syst

emat

ic, c

ompr

ehen

sive

, com

plet

e, a

nd fo

llow

man

ufac

ture

r's d

iagn

ostic

cha

rt w

hen

avai

labl

e. E

lect

rical

cha

ract

eris

tics,

pre

ssur

es, a

ndte

mpe

ratu

res

or o

ther

dia

gnos

tic c

hara

cter

istic

s ou

tsid

e of

the

refr

iger

atio

n sy

stem

's n

orm

alop

erat

ing

para

met

ers

mus

t be

note

d. B

low

er fa

ns, t

herm

osta

ts, f

ilter

s, a

nd o

ther

sys

tem

com

pone

nts

and

safe

ty d

evic

es s

yste

m c

ompo

nent

s op

erat

ing

out o

f man

ufac

ture

r'ssp

ecifi

catio

ns m

ust b

e id

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

103

4010

4

CO

MM

ER

CIA

L R

EF

RIG

ER

AT

ION

(co

ntin

ued)

SK

ILL

ST

AN

DA

RD

Tro

uble

shoo

t low

tem

pera

ture

com

mer

cial

refr

iger

atio

n sy

stem

s.D

iagn

ostic

pro

cedu

res

mus

t be

syst

emat

ic, c

ompr

ehen

sive

, com

plet

e, a

nd fo

llow

man

ufac

ture

r's d

iagn

ostic

cha

rt w

hen

avai

labl

e. E

lect

rical

cha

ract

eris

tics,

pre

ssur

es, a

ndte

mpe

ratu

res

or o

ther

dia

gnos

tic c

hara

cter

istic

s ou

tsid

e of

the

refr

iger

atio

n sy

stem

's n

orm

alop

erat

ing

para

met

ers

mus

t be

note

d. B

low

er fa

ns, t

herm

osta

ts, f

ilter

s, a

nd o

ther

sys

tem

com

pone

nts

and

safe

ty d

evic

es s

yste

m c

ompo

nent

s op

erat

ing

out o

f man

ufac

ture

r'ssp

ecifi

catio

ns m

ust b

e id

entif

ied

and

a pl

an fo

r re

pair

mus

t be

form

ulat

ed.

Tro

uble

shoo

t ultr

a-lo

w te

mpe

ratu

re c

omm

erci

alre

frig

erat

ion

syst

ems.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e re

frig

erat

ion

syst

em's

nor

mal

oper

atin

g pa

ram

eter

s m

ust b

e no

ted.

Blo

wer

fans

, the

rmos

tats

, filt

ers,

and

oth

er s

yste

mco

mpo

nent

s an

d sa

fety

dev

ices

sys

tem

com

pone

nts

oper

atin

g ou

t of m

anuf

actu

rer's

spec

ifica

tions

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t ice

mak

ers.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of ic

e m

aker

's n

orm

al o

pera

ting

para

met

ers

mus

t be

note

d. B

low

er fa

ns, t

herm

osta

ts, f

ilter

s, a

nd o

ther

sys

tem

com

pone

nts

and

safe

ty d

evic

es s

yste

m c

ompo

nent

s op

erat

ing

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

d an

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

Tro

uble

shoo

t wat

er c

oole

rs.

Dia

gnos

tic p

roce

dure

s m

ust b

e sy

stem

atic

, com

preh

ensi

ve, c

ompl

ete,

and

follo

wm

anuf

actu

rer's

dia

gnos

tic c

hart

whe

n av

aila

ble.

Ele

ctric

al c

hara

cter

istic

s, p

ress

ures

, and

tem

pera

ture

s or

oth

er d

iagn

ostic

cha

ract

eris

tics

outs

ide

of th

e w

ater

coo

ler's

nor

mal

ope

ratin

gpa

ram

eter

s m

ust b

e no

ted.

The

rmos

tats

, filt

ers,

and

oth

er s

yste

m c

ompo

nent

s an

d sa

fety

devi

ces

syst

em c

ompo

nent

s op

erat

ing

out o

f man

ufac

ture

r's s

peci

ficat

ions

mus

t be

iden

tifie

dan

d a

plan

for

repa

ir m

ust b

e fo

rmul

ated

.

105

41

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no

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iden

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cial

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cial

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ting

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ety

and

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ironm

enta

l

1U

nder

stan

d an

d ap

ply

safe

ty r

egul

atio

ns a

nd p

roce

dure

s.

2U

nder

stan

d an

d ap

ply

fede

ral,

stat

e, a

nd lo

cal r

egul

atio

ns fo

r de

spos

ing

of h

azar

dous

mat

eria

ls.

3U

nder

stan

d an

d ap

ply

Env

ironm

enta

l Pro

tect

ion

Age

ncy

(E. P

. A.)

reg

ulat

ions

on

vent

ing,

rec

over

y, r

ecla

imin

g, a

nd r

ecyc

ling

refr

iger

ants

.

4U

nder

stan

d an

d ap

ply

the

Dep

artm

ent o

f Tra

nspo

rtat

ion

(D. 0

. T.)

reg

ulat

ions

on

the

tran

spor

tatio

n an

d ha

ndlin

g of

haz

ardo

usm

ater

ials

.

5U

nder

stan

d an

d ap

ply

the

Occ

upat

ion

Saf

ety

and

Hea

lth A

ct's

(O

SH

A)

regu

latio

ns.

6U

nder

stan

d an

d ap

ply

Env

ironm

enta

l Pro

tect

ion

Age

ncy

(EP

A)

regu

latio

n on

indo

or a

ir qu

ality

and

nitr

ous-

oxid

e.

Ele

ctric

al

Prin

cipl

es

1U

nder

stan

d an

d ap

ply

the

prin

cipl

es o

f alte

rnat

ing

and

dire

ct c

urre

nt.

2U

nder

stan

d an

d re

cogn

ize

the

com

mon

sin

gle

and

thre

e ph

ase

volta

ge s

yste

ms

incl

udin

g 23

0v, 6

0hz,

sin

gle

phas

e; 2

08v,

60hz

, thr

ee p

hase

; 230

v, 6

0hz,

thre

e ph

ase;

and

460

v, 6

0hz,

thre

e ph

ase

syst

ems.

3U

nder

stan

d an

d ap

ply

the

prin

cipl

es o

f ser

ies,

par

alle

l, an

d co

mpo

und

circ

uits

.

4U

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stan

d an

d ap

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the

prin

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es a

nd r

elat

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hips

of O

hm's

, Kirc

hhof

f's, a

nd W

att's

law

s as

they

app

ly to

ser

ies,

par

alle

l,an

d co

mpo

und

circ

uits

.

5R

ead

and

inte

rpre

t vol

tage

, am

pere

, Ohm

, meg

ohm

, and

wat

t met

ers.

1.41

atria

6R

ead

and

inte

rpre

t sch

emat

ic d

raw

ings

.

7D

evel

op s

chem

atic

s fr

om e

lect

rical

labe

l and

line

dia

gram

s.

8R

ead

and

inte

rpre

t ele

ctric

al c

odes

.

9U

nder

stan

d an

d ap

ply

the

prop

ertie

s an

d be

havi

ors

of e

lect

rical

con

duct

ors

and

insu

lato

rs.

0.11

110

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

rical

circ

uit p

rote

ctio

n in

clud

ing

fuse

s, c

ircui

t bre

aker

s, a

nd d

isco

nnec

t sw

itche

s.

109

A-

1

BE

ST C

OPY

11.0

App

endi

xS

kills

Mat

rix

NA

TIO

NA

L S

KIL

L S

TA

ND

AR

DS

HE

AT

ING

, AIR

CO

ND

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NIN

G, A

ND

RE

FR

IGE

RA

TIO

N T

EC

HN

ICIA

NS

Ski

lls

Res

iden

tial a

nd L

ight

Com

mer

cial

Com

mer

cial

Hea

ting

A/C

Hea

ting

A/C

Ref

riger

atio

n

War

m A

irH

ydro

nic

Hea

t Pum

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arm

Air

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c

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0 = Ti a a

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9, 2 m aA

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g,) ,, irl a

o Ti

3 a

i a. ,-

K a, 0, c 3

,- o *

11U

nder

stan

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ply

the

prin

cipl

es o

f sin

gle

and

thre

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ase

tran

sfor

mer

s.00

0000

0000

0000

012

Und

erst

and

and

appl

y el

ectr

ical

gro

undi

ng p

rinci

ples

.00

0000

0000

0000

013

Und

erst

and

and

appl

y th

e pr

inci

ples

of e

lect

rical

mea

sure

men

t.00

0000

0000

0000

014

Tro

uble

shoo

t ele

ctric

al c

ircui

ts.

0000

0000

0000

000

15In

stal

l ele

ctric

al p

ower

and

con

trol

circ

uits

.00

0000

0000

0000

016

Inst

all a

nd c

onne

ct th

e co

mpo

nent

s of

ele

ctric

al c

ircui

ts.

0000

0000

0000

000

Ele

ctric

Mot

ors

1U

nder

stan

d an

d ap

ply

the

oper

atin

g pr

inci

ples

of e

lect

ric m

otor

s.00

0000

0000

0050

52

Und

erst

and

and

reco

gniz

e th

e ap

plic

atio

n of

var

ious

type

s of

ele

ctric

mot

ors.

0000

0000

0000

000

3U

nder

stan

d an

d re

cogn

ize

the

appl

icat

ion

of v

ario

us ty

pes

of c

apac

itors

.00

0000

0000

0000

04

Und

erst

and

the

prin

cipl

es a

nd o

pera

tion

of e

lect

ric m

otor

pro

tect

ion

devi

ces.

0000

0000

0000

000

5U

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stan

d an

d in

terp

ret e

lect

ric m

otor

spe

cific

atio

ns.

0000

0000

0000

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6In

stal

l and

con

nect

ele

ctric

mot

ors.

0000

0000

0000

005

7P

erfo

rm e

lect

ric m

otor

mai

nten

ance

.00

0000

0000

0000

58

Tro

uble

shoo

t ele

ctric

mot

ors.

0000

0000

0000

Con

trol

s

1U

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stan

d an

d ap

ply

the

prin

cipl

es o

f saf

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and

oper

atin

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ntro

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; for

exa

mpl

e, p

ress

ure

switc

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ther

mos

tats

, etc

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l

2U

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stan

d an

d ap

ply

the

prin

cipl

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f ele

ctro

mec

hani

cal c

ontr

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evic

es; f

or e

xam

ple,

rel

ays,

con

trac

tors

, mag

netic

sta

rter

s,tim

ers,

seq

uenc

es, e

tc.

0000

0000

0000

000

3U

nder

stan

d an

d ap

ply

the

prin

cipl

es o

f ele

ctro

nic

cont

rol d

evic

es; f

or e

xam

ple,

igni

tion

mod

ules

, ele

ctro

nic

timer

s, e

tc.

0000

0000

0000

000

4U

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stan

d an

d ap

ply

the

prin

cipl

es o

f saf

ety

and

cont

rol c

ircui

ts.

0000

0000

0000

000

A-

2

BE

ST C

OPY

AV

AIL

AB

LE

112

App

endi

xS

kills

Mat

rix

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TIO

NA

L S

KIL

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TA

ND

AR

DS

HE

AT

ING

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ND

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ND

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FR

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EC

HN

ICIA

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Ski

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Res

iden

tial a

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mer

cial

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mer

cial

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ting

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ting

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Ref

riger

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n

War

m A

irH

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t Pum

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0_m -7, 3 0-

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0 _ T, °

>. r

* 0 ,

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0° a' ° 71 g 0.

0 = -n i° ; 11 g 0.

0 -= -n F23

,

x .3C 0 0, E 3

. o *

5In

stal

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rvic

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echa

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Inst

all/s

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lect

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009

Tro

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ctro

nic

cont

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evic

es.

0000

0000

0000

000

Mec

hani

cal

Ref

riger

atio

n P

rinci

ples

and

Pra

ctic

es

1U

nder

stan

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d ap

ply

the

theo

ry o

f hea

t.00

0000

0000

0000

02

Und

erst

and

and

appl

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e pr

oper

ties

of r

efrig

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0000

03

Und

erst

and

and

appl

y th

e m

echa

nica

l ref

riger

atio

n cy

cle.

0000

04

Und

erst

and

and

appl

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mpe

ratu

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urve

s an

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arts

.00

000

00

5U

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stan

d an

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ply

the

prin

cipl

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nd th

e op

erat

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of c

ompr

esso

rs.

0000

00

06

Und

erst

and

and

appl

y th

e pr

inci

ples

and

ope

ratio

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con

dens

ers.

0000

00

07

Und

erst

and

and

appl

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e pr

inci

ples

and

ope

ratio

n of

met

erin

g de

vice

s.00

000

00

08

Und

erst

and

and

appl

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e pr

inci

ples

and

ope

ratio

n of

eva

pora

tors

.00

000

00

9U

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stan

d th

e op

erat

ion

of r

efrig

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syst

em a

cces

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s; fo

r ex

ampl

e, r

ecei

vers

, acc

umul

ator

s, fi

lter/

drye

rs, s

ight

gla

sses

,va

lves

, etc

.11

1111

.0

10P

erfo

rm le

ak te

sts.

11E

vacu

ate

and

mea

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vacu

um le

vel o

f ref

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stem

s.0

00

00

12R

ecov

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0000

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harg

e re

frig

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syst

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00

113

A-

3

BE

ST C

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AV

AII

IAB

App

endi

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kills

Mat

rix

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NA

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ND

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DS

HE

AT

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, AIR

CO

ND

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NIN

G, A

ND

RE

FR

IGE

RA

TIO

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EC

HN

ICIA

NS

Ski

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Res

iden

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ight

Com

mer

cial

Com

mer

cial

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ting

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Hea

ting

NC

Ref

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War

m A

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Air

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C)

0, En -n (.7; a.

0 . 21 aj

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-.59

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00 M m a a

0 T:. ii

0 ° 7 a a

0 -7 g. cb 0-

I a- =C

D 0, C 3

r- 0 *

14R

ecyc

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efrig

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0015

Tro

uble

shoo

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erat

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0000

Hea

ting

Prin

cipl

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ract

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1U

nder

stan

d an

d ap

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prin

cipl

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f fue

l sys

tem

des

ign.

0000

000

0000

2U

nder

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d an

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prin

cipl

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f air

and

hydr

onic

dis

trib

utio

n an

d de

liver

y sy

stem

des

ign.

0000

000

0000

3U

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stan

d an

d ap

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prin

cipl

es a

nd o

pera

tion

of e

lect

ric r

esis

tanc

e he

at s

yste

ms.

4U

nder

stan

d an

d ap

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the

prin

cipl

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pera

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of g

as-f

ired

forc

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atin

g sy

stem

s.

5U

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stan

d an

d ap

ply

the

prin

cipl

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pera

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of o

il-fir

ed fo

rced

-air

heat

sys

tem

s.

6U

nder

stan

d an

d ap

ply

the

prin

cipl

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ctric

hea

t pum

p sy

stem

s.

7U

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stan

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hydr

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8U

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stan

d an

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ydro

nic

heat

sys

tem

s.

9U

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stan

d an

d ap

ply

the

prin

cipl

es o

f ven

ting

and

drai

n sy

stem

s.00

0000

000

0010

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

ipe

sizi

ng a

nd la

yout

for

both

fuel

and

hea

t dis

trib

utio

n.00

0000

000

00A

ir C

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rinci

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and

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ctic

es

1U

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stan

d an

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ply

the

prin

cipl

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f air-

cond

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ing

incl

udin

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mpe

ratu

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umid

ity, a

nd a

ir m

ovem

ent,

etc.

0000

ilo

2U

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stan

d an

d ap

ply

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prin

cipl

es o

f air

dist

ribut

ion

and

deliv

ery

syst

ems.

0000

3U

nder

stan

d an

d ap

ply

the

prin

cipl

es o

f con

dens

ate

drai

n sy

stem

s.00

4U

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stan

d an

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ply

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prin

cipl

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filtr

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stem

s.00

5505

5D

esig

n ai

r di

strib

utio

n sy

stem

s.

A-

4

BE

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AV

AIL

AB

LE

116

).

App

endi

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kills

Mat

rix

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NA

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DS

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AT

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CO

ND

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Res

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Com

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Hea

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War

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) c 3

r- 0 4

Pip

ing

Prin

cipl

es a

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ract

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1

Und

erst

and

and

appl

y th

e pr

inci

ples

of p

ipin

g sy

stem

s in

clud

ing

the

fact

ors

that

affe

ct p

ipe

sele

ctio

n, p

ipe

size

, and

sys

tem

desi

gn.

Und

erst

and

and

sele

ct th

e pr

oper

fitti

ng o

r va

lve

for

spec

ific

appl

icat

ions

; for

exa

mpl

e, g

lobe

val

ves,

gat

e va

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le v

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chec

k va

lves

, elb

ows,

tees

, uni

ons,

cou

plin

gs, h

alf u

nion

s, e

tc.

0.41

1100

0.1.

0000

000

3U

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stan

d an

d ap

ply

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prin

cipl

es o

f pip

e ac

cess

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s; fo

r ex

ampl

e, fl

ange

s, is

olat

ors,

han

gers

, exp

ansi

on jo

ints

, exp

ansi

on,

loop

s, s

uppo

rts,

insu

latio

n, e

tc.

1100

1100

1110

0000

1110

000

4P

erfo

rm c

oppe

r tu

bing

ope

ratio

ns in

clud

ing

cutti

ng, f

larin

g, s

olde

ring,

bra

zing

, ben

ding

, sw

agin

g, e

tc.

6100

0111

.011

10.1

0000

05

Per

form

ste

el p

ipe

oper

atio

ns in

clud

ing

cutti

ng, r

eam

ing,

thre

adin

g, c

onne

ctin

g, e

tc.

0.0

6P

erfo

rm P

VC

pip

e op

erat

ions

incl

udin

g cu

tting

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nect

ing,

etc

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0O

ccup

atio

n S

peci

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kills

Res

iden

tial a

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Com

mer

cial

Hea

ting

1U

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stan

d an

d ap

ply

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prin

cipl

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f fue

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tem

des

ign.

0011

1000

000

0.2

Und

erst

and

and

appl

y th

e pr

inci

ples

of a

ir di

strib

utio

n sy

stem

des

ign.

3U

nder

stan

d an

d ap

ply

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prin

cipl

es a

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tion

of e

lect

ric r

esis

tanc

e he

at s

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ms.

4U

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stem

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5U

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d an

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cipl

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air

heat

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6U

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d an

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the

prin

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7U

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ydro

nic

heat

sys

tem

s.

8U

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d an

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ply

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prin

cipl

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ting

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stem

s.00

000

0000

9U

nder

stan

d an

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prin

cipl

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f pip

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zing

and

layo

ut in

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ing

liqui

d pr

opan

e an

d na

tura

l gas

and

oil.

0000

000

0010

Und

erst

and

and

appl

y th

e pr

inci

ples

of h

umid

ifica

tion.

11In

stal

l/ser

vice

gas

-fire

d fo

rced

air

heat

ing

syst

ems.

117

A-

5

CO

PY A

VA

ILA

BL

E11

8

App

endi

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kills

Mat

rix

NA

TIO

NA

L S

KIL

L S

TA

ND

AR

DS

HE

AT

ING

, AIR

CO

ND

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NIN

G, A

ND

RE

FR

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RA

TIO

N T

EC

HN

ICIA

NS

Ski

lls

Res

iden

tial a

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ight

Com

mer

cial

Com

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cial

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ting

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m A

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0 . =,' 0 °-

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12In

stal

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heat

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13In

stal

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rvic

e hy

dron

ic h

eat s

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ms.

aa

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inst

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and

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411,

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15In

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mid

ifier

s.ID

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stem

s.

17T

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rced

air

heat

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ID

18T

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