fdkn-h - c-o-k.ru · 469 fdkn-h 12. wall mounted type packaged air-conditioner split system, air to...

469

FDKN-HFDKN-H

469

12. WALL MOUNTED TYPEPACKAGED AIR-CONDITIONER

Split system, Air to airheat pump type

Refrigerant R22 use modelsFDKN208HEN-S1

258HEN-S1

Alternative refrigerant R407C use modelsFDKNP208HEN-S

258HEN-S308HEN-S308HES-S

( )

FDKN-H

DiAmon

New Stamp

http://www.c-o-k.ru/biblio

470

FDKN-H

CONTENTS

12.1 GENERAL INFORMATION ........................................................................ 471

12.1.1 Specific features ................................................................................. 471

12.1.2 How to read the model name ............................................................. 471

12.2 SELECTION DATA..................................................................................... 472

12.2.1 Specifications ...................................................................................... 472

12.2.2 Range of usage & limitations ............................................................. 478

12.2.3 Exterior dimensions............................................................................ 479

12.2.4 Exterior appearance............................................................................ 485

12.2.5 Piping system...................................................................................... 486

12.2.6 Selection chart .................................................................................... 488

12.2.7 Noise level ........................................................................................... 490

12.3 ELECTRICAL DATA .................................................................................. 491

12.3.1 Electrical wiring .................................................................................. 491

12.4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ............. 497

12.5 APPLICATION DATA ................................................................................. 497

12.5.1 Installation of indoor unit ................................................................... 498

12.5.2 Installation of outdoor unit................................................................. 501

12.6 MAINTENANCE DATA............................................................................... 501

471

FDKN-H

FDKN : Wall mounted type unit with

wireless remote controller.

FDC : Outdoor unit

Applicable power source ... See the specifications

Heat pump type

Series No

Product capacity

P : R407C model

: R22 model

Model name

Example: FDKN P 25 8 H EN - S

12.1 GENERAL INFORMATION12.1.1 Specific features(1) Less refrigerant charge amount due to use of double phase refrigerant flow system. The total refrigerant charge amount has been

reduced by more than 50%.

(2) The indoor outdoor interconnection signal wiring has been done away with. The microcomputer chip is installed in the indoor unit.

There is no need for the unit to communicate between the outdoor and indoor units so the unit is more resistant to electromagnetic

noise thus the incidence of microcomputer malfunction has been reduced. The compressor in the outdoor unit has its own self

protection function, that reacts according to abnormal high pressure and excessive high temperature.

(3) There are only five power line between the outdoor and indoor unit. As no signal wire is used there is no need to separate the power

line from the signal line. One cab tyre cable with 6 wires encased in one sheath is enough for conducting the wiring work between

the outdoor unit and the indoor unit. This contributes to simpler wiring work in the field.

(4) All air supply ports have auto swing louvers. The indoor fan motor has two speeds of high and low.

(5) All models have service valves protruding from the outdoor unit for faster flare connection work in the field.

(6) Aero trap louver

(a) Pleasantness will be enhanced with the employment of aero trap louver. It has an excellent wind orientation and a homogeneous

air conditioning feeling is ensured at every corner in a room with the auto swing blasting which can be adjusted the maximum

70° downward.

(b)Louver angle can be adjusted to 4 fixed positions with the remote control. It can be adjusted at any optional angle during the

manual operation. Sidewise blast is adjustable by 40° in each direction.

(7) Low noise

(a) Specially developed silent fan is employed. A very gentle operation sound is assured because the noise like wind slashing sound

are suppressed effectively.

(8) Thin and compact design

(a) The unit measures 17.9 cm (208 type) or 19.6 cm (258, 308 type) in thickness and its size is so compact as a room air condi

tioner. Body of the unit is dinished in the ivory white color and a pleasant and simple design produces a very pleasant harmony

for the interior design.

12.1.2 How to read the model name

472

FDKN-H

ItemModel

FDKN208H FDC208HEN3ANominal cooling capacity(1) W 4850

Nominal heating capacity(1) W 5400

Power source 1 Phase, 220/240V, 50Hz

Cooling input kW 1.76/1.85

Running current (Cooling) A 8.2/8.0

Power factor (Cooling) % 98/96

Heating input kW 1.72/1.82

Running current (Heating) A 8.0/7.8

Power factor (Heating) % 98/97

Inrush current (L.R.A) A 44

Noise level(4) dB(A) Hi: 45 Lo: 38 52

Exterior dimensionsmm 275 × 790 × 179 690 × 880 × 290

Height × Width × Depth

Net weight kg 10 49

Refrigerant equipment– RM5523GNE4 × 1

Compressor type & Q’ty

Motor kW – 1.7

Starting method – Line starting

Heat exchanger Louver fins & inner grooved tubing Slitted fins & bare tubing

Refrigerant control Capillary tube

Refrigerant R22

Quantity kg Holding charged 0.98 [Pre-charged up to the piping length of 5m]

Refrigerant oil r – 0.7 (BARREL FREEZE 32SAM)

Defrost control MC controlled de-icer

High pressure control High pressure switch

Air handling equipment

Fan type & Q’tyTangential fan × 1 Propeller fan × 1

Motor W 26 × 1 55 × 1

Starting method Line starting Line starting

Air flow (Standard) CMM Hi:16 Lo:10 56

Fresh air intake Unavailable –

Air filter, Q’ty Long life filter ×2(washable) –

Shock & vibration absorber Rubber sleeve (for fan motor) Rubber mount (for compressor)

Electric heater W – 20 (Crank case heater)

Operation control

Operation switch Wireless remote control switch – (Indoor unit side)

Room temperature control Thermostat by electronics –

Safety equipment Internal thermostat for fan motor. Internal thermostat for fan motor.

Frost protection thermostat. Abnormal discharge temperature protection

Installation data mmLiquid line: φ6.35 (1/4″) Gas line: φ15.88 (5/8″)

Refrigerant piping size (in)

Connecting method Flare piping

Drain hose (Connectable with VP16) –

Insulation for piping Necessary (both Liquid & Gas lines)

Accessories Mounting kit. Wireless remote controller. Drain hose

Optional parts –

(2) This packaged air-conditioner is manufactured and tested in conformity with the following standard. JIS B8616 “UNITARY AIR-CONDITIONERS”

(3) The operation data indicate when the air-conditioner is operated at 220/240V 50Hz.

(4) Indicates the value at mild mode.

Notes (1) The data are measured at the following conditions.

Item Indoor air temperature Outdoor air temperatureStandards

Operation DB WB DB WB

Cooling 27˚C 19˚C 35˚C 24˚C

Heating 20˚C – 7˚C 6˚CISO-T1, JIS B8616

Op

erat

ion

dat

a(3)

FDKN208HEN-S1

(1) Refrigent R22 use modelsModel FDKN208HEN-S1

12.2 SELECTION DATA12.2.1 Specifications

473

FDKN-H

ItemModel

FDKN258H FDC258HEN3ANominal cooling capacity(1) W 5700













Net weight kg 11 55

Refrigerant equipment– RM5526GNE4 × 1


Motor kW – 1.9




Refrigerant R22


Refrigerant oil r – 0.7 (BARREL FREEZE 32SAM)

Defrost control MC controlled de-icer




Motor W 40 × 1 55 × 1







Operation control



Safety equipment Internal thermostat for fan motor. Internal thermostat for fan motor.

Frost protection thermostat. Abnormal discharge temperature protection







Optional parts –

Model FDKN258HEN-S1









Op

erat

ion

dat

a(3)

FDKN258HEN-S1

474

FDKN-H

ItemModel

FDKN208H FDCP208HEN3ANominal cooling capacity(1) W 4850













Net weight kg 10 49

Refrigerant equipment– RM5523HNE5 × 1


Motor kW – 1.7




Refrigerant R407C


Refrigerant oil r – 0.7 (MA32)

Defrost control IC controlled de-icer




Motor W 26 × 1 55 × 1







Operation control



Safety equipment Internal thermostat for fan motor.

Frost protection thermostat.







Optional parts –

Model FDKNP208HEN-S









Op

erat

ion

dat

a(3)

FDKNP208HEN-S

(2) Alternative refrigerant R407C use models

Internal thermostat for fan motor.Thermostat for discharge temperature.

High pressure swich for protection

475

FDKN-H

ItemModel

FDKN258H FDCP258HEN3ANominal cooling capacity(1) W 5700













Net weight kg 11 55

Refrigerant equipment– RM5526HNE5 × 1


Motor kW – 1.9




Refrigerant R407C







Motor W 40 × 1 55 × 1







Operation control











Optional parts –

Model FDKNP258HEN-S








Heating 20˚C 12˚C 7˚C 6˚CISO-T1, JIS B8616

Op

erat

ion

dat

a(3)

FDKNP258HEN-S



476

FDKN-H

ItemModel

FDKN308H FDCP308HEN3Nominal cooling capacity(1) W 7100










Noise level(4) dB(A) Hi 46 Lo:40 52



Net weight kg 13.5 76

Refrigerant equipment– GT-A5534HN41 × 1


Motor kW – 2.5




Refrigerant R407C







Motor W 40 × 1 55 × 1







Operation control











Optional parts –

Model FDKNP308HEN-SO

per

atio

n d

ata(3

)









FDKNP308HEN-S



477

FDKN-H

ItemModel

FDKN308H FDCP308HES3Nominal cooling capacity(1) W 7100










Noise level(4) dB(A) Hi 46 Lo:40 52



Net weight kg 13.5 76

Refrigerant equipment– GT-A5534HS41 × 1


Motor kW – 2.5




Refrigerant R407C







Motor W 40 × 1 55 × 1







Operation control











Optional parts –

Model FDKNP308HES-SO

per

atio

n d

ata(3

)









FDKNP308HES-S



478

FDKN-H

Item

ModelsFDKN (P) 208, 258 type FDKNP308 type

Indoor return air temperature(Upper, lower limits)

Refer to the selection chart

Outdoor air temperature(Upper, lower limits)

Refrigerant line (one way) length Max. 30 m Max. 50 m

Vertical height difference between Max. 20 m (Outdoor unit is higher) Max. 30 m (Outdoor unit is higher)outdoor unit and indoor unit Max. 15 m (Outdoor unit is lower) Max. 15 m (Outdoor unit is lower)

Power source voltage Rating ± 10%

Voltage at starting Min. 85% of rating

Frequency of ON-OFF cycle Max. 10 times/h

ON and OFF interval Min. 3 minutes

12.2.2 Renge of usage & limitations

479

FDKN-H

12.2.3 Exterior dimensions(1) Indoor unit

Model FDKN208H

Space for installation and service

120 or

more

65 o

r

mor

e

120 or

more

VIEW A (Rear side)

600

Hole on wall forrear connection(φ65)

Indoor unit Mounting plate

15 760 15

170 450 170

50 50 50 50

46

9

6118

7.5

261.

5

36


67

Drain hose (VP16)

Gas piping

φ15.88(5/8˝)

Liquid piping

82

4.5

390

440

φ6.35(1/4˝)

784

68 26

40

790

275

Remote controllersignal receives

179 3

56

Outlet for piping

(On both side)

49Lower piping outlet(Refer to the top view.)

9

Outer for electricwiring

A

Unit : mm

Mounting plate

480

FDKN-H

Model FDKN258HUnit: mm

930

75 45

51

940

298


196 3

Mounting plate

A

55 Outer forelectric wiring

51

9

Outlet for piping

(On both side)

Lower piping outlet

(Refer to the top view.)


120 ormore

90 o

rm

ore

120 ormore

VIEW A (Rear side)

Indoor unit

Mounting plate55 832 53

245 450 245

50 50 50 50

60

55 9

209 28

3

37

Hole on wall forrear connecting(φ65)

72

Drain hose(VP16)

Liquid pipingφ9.52(3/8˝)

Gas pipingφ15.88(5/8˝)

463

518

600

65


7

481

FDKN-H

Model FDKN308H

Unit : mm

35 75

51

450

690

4575

51

104754

515

600

37

6020

9

245

50

Lower piping outlet

Indoor unit

Gas piping

Hole on wall forrear connecting(ø65)

ø15.88 (5/8'')

Mounting plate


Outlet for piping(On both side)

Outlet for electric wiring

Mounting plate

(Refer to the top view)

50

220

54

1155

298

1145

196

955

3

51

120 or more

120 or more

90 o

r m

ore


45

450

245 465

6572

928

2.5

6.5

4 - 5.5 ✕ 15(Long hole)

Drain hose(VP16)Liquid piping

ø9.52 (3/8'')

8 - 12 ✕ 18(Long hole)

5050

Hole on wall forrear connecting(ø65)

A

VIEW A (Rear side)

482

FDKN-H

MODE TEMP ON/OFF

AUTO COOL DRY FAN HEAT FILTER

°CAMPMON AM

PMOFF

FAN HI LO

(2) Wireless remote controller

60 20.5

161.

5

(3) Indication board of indoor unit

Unit: mm

483

FDKN-H

Minimum allowable space to the obstacles

Unit: mm

Installation type1 2 3

Mark

L1 Open Open 500

L2 300 5 Open

L3 100 150 100

L4 5 5 5

Liquid piping φ6.35 (1/4˝)

(Flare connecting)

Gas piping: φ15.88 (5/8˝)

(Flare connecting)

40

40

95

53

Terminal block

Liquid piping: φ6.35 (1/4˝)

(Flare connecting)

Gas piping: φ15.88 (5/8˝)

(Flare connecting)

Opening for electric wiring

690

10 110 19

5 331

351

Opening for pipingand electric wiring 40

50

50

15

880

110

195

5027

50

50

Opening for piping andelectric wiring

Holes for anchor bolt

(M10 × 4 pcs. )

Electric wiring

(4) Outdoor unitModels FDC208HEN3A

FDCP208HEN3A

Notes(1) Avoid the location where four sides are entirely

surrounded by walls.(2) Fix the unit by anchor bolts without fail. Restrict

the protrusion length of anchor bolt to 15 mm andunder.

(3) When strong wind blows against the unit, directthe discharge port at a right angle to the winddirection.

(4) Secure the space of 1 m and over at the top ofunit.

(5) Make the height of obstruction wall in front of dis-charge port lower than the height of unit.

( )Maintenancespace

VIEW A

A

Unit : mm

Required space for maintenance and air flow

55

1533

0

290 55

15

3535

260 335 Holes for drain

(φ20 × 3 pcs. )

50 15

150 580 150

1510

3

40

Opening forelectric wiring

Opening for piping andelectric wiring

150

7050

5015

40

L1

Air outlet

L3

L2

L4

Airinlet

Air inlet

484

FDKN-H

Liquid piping: ø9.52 (3/8")

(Flare connecting)

Gas piping: ø15.88 (5/8")

Terminal block

Opening forelectric wiring Opening for

electric wiring

Holes for anchor bolt(M10 × 4 pcs.)

Holes for drain(ø9.52 × 3pcs.)

Electric wiring Opening for pipingand electric wiring

Opening for pipingand electric wiringOpening for piping

and electric wiring

(Flare connecting)

845

10

50

380

1515

340

55

1510

3

150

7050

47

3535

110

460 11

0

195

50

195

40

880

310222

40

L2

L3

L4

L1

Airinlet

Air inlet

Air outletMaintenancespace

150 580 150

50 15 15 50

50

50

502750 15

Models FDC258HEN3A FDCP258HEN3A, 308HEN3, 308HES3

Required space for maintenance and air flow Minimum allowable space to the obstacles

Unit:mm

Mark1 2 3

L1 Open Open 500

L2 300 5 Open

L3 100 150 100

L4 5 5 5

Installationtype

Notes(1) Avoid the location where four sides are entirely

surrounded by walls.(2) Fix the unit by anchor bolts without fail. Restrict

the protrusion length of anchor bolt to 15 mmand under.

(3) When strong wind blows against the unit, di-rect the discharge port at a right angle to thewind direction.

(4) Secure the space of 1 m and over at the top ofunit.

(5) Make the height of obstruction wall in front ofdischarge port lower than the height of unit.

Unit: mm

VIEW A

Liquid piping: ø9.52 (3/8")

(Flare connecting)

Gas piping: ø15.88 (5/8")

(Flare connecting)

40 53

95

40

485

FDKN-H

12.2.4 Exterior appearance(1) Indoor unit

Models All models

Ivory white(Air inlet grill)

Ivory white(Front panel)

Ivory white(Louver)

Ivory white(Base)

(2) Outdoor unitModels FDC208HEN3A FDCP208HEN3A

Polar white

Polar white

Models FDC258HEN3A FDCP258HEN3A, 308HEN3, 308HES3

486

FDKN-H

Service valve

(Flare connecting)

Service valve(Flare connecting)

Gas line(308:ø15.88)

Strainer

Thermistor

(ThO-D) Strainer

Capillarytube

Check valve Solenoid valve (SV2)

Capillary tube

Strainer

Strainer

Thermistor

(ThO-R)

Thermistor

(ThO-A)

Thermistor

(ThI-A)

Thermistor

(ThI-R)

Heat exchanger

Heat exchanger

Sub-coolingcoil

Flareconnecting

Liquid line(ø9.52)

Capillarytube

Checkjoint

Check joint

4way valve

Cooling cycle

Outdoor unitHeating cycle

High pressure switch (63H2)

(For fan motor control)

Check joint

MufflerSolenoidvalve

(SV1)Accumulator

Compressor

Indoor unit

High pressureswitch (63H1)

Models FDKNP308HEN-S, 308HES-S

Service valve

(Flare connecting)

Service valve(Flare connecting)

Gas line(ø15.88)

Strainer

Thermistor

(ThO-D) Strainer

Capillarytube

Check valve

Capillary tube

Strainer

Strainer

Thermistor

(ThO-R)

Thermistor

(ThO-A)

Thermistor

(ThI-A)

Thermistor

(ThI-R)

Heat exchanger

Heat exchanger

Sub-coolingcoil

Flareconnecting

Liquid line

(208:ø6.35)258:ø9.52

Capillarytube

Checkjoint

Check joint

High pressureswitch (63H1)Only case of FDKNP model

4way valve

Cooling cycle

Outdoor unitHeating cycle

High pressure switch (63H2)

(For fan motor control)

Check joint

MufflerSolenoidvalve

(SV1)Accumulators

Compressor

Indoor unit

( )

12.2.5 Piping systemModels FDKN208HEN-S1, 258HEN-S1, FDKNP208HEN-S, 258HEN-S

487

FDKN-H

Preset point of the protective devicesParts name Mark Equipped unit FDKN208, 258 type FDKNP208~308 type

Thermistor(for protection over loading in heating)

Thermistor(for detecting discharge pipe temp.)

Thermistor(for detecting heat exchanger temp.)

Thermistor(for frost prevention)

High pressure switch(for controlling FMo)

ThI-R

ThO-D

ThO-R

Indoor unit

Outdoor unit

Outdoor unit

Outdoor unit

63H2

OFF 68 °CON 61 °C

OFF 2.5 °CON 10 °C

OFF 135 °CON 90 °C

OFF 70 °CON 60 °C

OFF 2.5MPa (25.5kgf/cm2)ON 2.06MPa (21kgf/cm2)

High pressure switch(for protection) Outdoor unit63H1

OFF 3.24MPa (33kgf/cm2)ON 2.65MPa (27kgf/cm2)

488

FDKN-H

12.2.6 Selection chartCorrect the cooling and heating capacity in accordance with the conditions as follows. The net cooling and heating capacity can be

obtained in the following way.

Net capacity = Capacity shown on specification × Correction factors as follows.

(1) Coefficient of cooling and heating capacity in relation to temperaturesModels FDKN208HEN-S1, 258HENS-1, FDKNP208HEN-S, 258HEN-S

Indoor air W.B. temperature (˚CW.B.) ISO-T1 Standard condition

Ou

tdo

or

air

D.B

.te

mp

erat

ure

(˚C

D.B

.)

Co

olin

g o

per

atio

n

Ind

oo

r ai

r D

.B.

tem

per

atu

re (

˚CD

.B.)

Hea

tin

g o

per

atio

n

ISO-T1 Standard condition

Outdoor air W.B. temperature (˚CW.B.)

Models FDKN308HEN-S, 308HES-S

Outdoor air W.B. temperature (˚CW.B.)

Indoor air W.B. temperature (˚CW.B.) ISO-T1 Standard condition

Ou

tdo

or

air

D.B

.te

mp

erat

ure

(˚C

D.B

.)

Co

olin

g o

per

atio

n

Ind

oo

r ai

r D

.B.

tem

per

atu

re (

˚CD

.B.)

Hea

tin

g o

per

atio

n

Co

effi

cien

t o

f co

olin

g a

nd

hea

tin

g c

apac

ity

in r

elat

ion

to

tem

per

atu

res

489

FDKN-H

(3) Correction of cooling and heating capacity in relation to one way length of refrigerant piping

It is necessary to correct the cooling and heating capacity in relation to the one way equivalent piping length between the indoor

and outdoor units.

Note (1) Equivalent piping length can be obtained by calculating as follows.

208, 258, 308 series [φ15.88(5/8″)]: Equivalent piping length = Real piping length + (0.10 × Number or bends in piping)

[Equivalent piping length < Limitation length of piping + 5m]

(4) When the outdoor unit is located at a lower height than the indoor unit in cooling operation and when the

outdoor unit is located at a higher height than the indoor unit in heating operation, the following values should be

subtracted from the values in the above table.

Equivalent piping length(1) m 5 10 15 20 25 30 35 40 45 50 55

Heating 1.0 1.0 1.0 1.0 1.0 0.995 0.995 0.99 0.99 0.985 0.985

FDKN (P) 208 type 1.0 0.995 0.995 0.99 0.985 0.985 0.98

FDKN (P) 258 type 1.0 0.995 0.99 0.985 0.98 0.975 0.97

FDKNP 308 type 1.0 0.99 0.98 0.97 0.96 0.95 0.94 0.93 0.92 0.91 0.9

Co

olin

g

Item

Air flow Hi 0.03 0.03 0.04

FDKN (P) 208 type FDKN (P) 258 type FDKNP308 type

(2) Correction of cooling and heating capacity in relation to air flow rate control (fan speed)

Coefficient: 1.00 at High, 0.95 at Low

Table of bypass factor

Model

Height difference between the indoor unit andoutdoor unit in the vertical height difference 5m 10m 15m 20m 25m 30m

Adjustment coefficient 0.01 0.02 0.03 0.04 0.05 0.06

Piping length limitations

ItemModel FDKN(P) 208, 258 type FDKNP308 type

Max. one way piping length 30m 50m

20m (Outdoor unit is higher) 30m (Outdoor unit is higher)Max. vertical height difference

15m (Outdoor unit is lower) 15m (Outdoor unit is lower)

Note(1) Values in the table indicate the one way piping length between the indoor and outdoor units.

How to obtain the cooling capacity

Example: The net cooling capacity of the model FDKNP308HEN-S with the air flow “High”, the piping length of 15m, the outdoor

unit located 5m lower than the indoor unit, indoor wet-bulb temperature at 19.0 ˚C and outdoor dry-bulb temperature 35 ˚C

isNet cooling capacity = 7100 × 1.00 × (0.98 - 0.01) × 1.0 = 6887 w

Factor by airtemperatures

FDKNP308HEN-S Air flow“High”

Length 15m.Height difference 5 m

490

FDKN-H

Mid octave band frequency (Hz)

N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40

Soun

d pr

essu

re le

vel

(Sta

ndar

d 0.

0002

µ ba

r) d

B

12.2.7 Noise levelNotes (1) The data are based on the following conditions.

Ambient air temperature:Indoor unit 27°C DB, 19°C WBOutdoor unit 35°C DB,

(2) The data in the chart are measured in an unechonic room.(3) The noise levels measured in the field are usually higher than the data because of reflection.

(1) Indoor unit

Unit

1 m1 m

Mike(Center & Low points)

Souu

d p

ress

ure

leve

l (

stan

dard

0.0

002µ

bar)


N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40


N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40

Soun

d pr

essu

re le

vel

(Sta

ndar

d 0.

0002

µ ba

r) d

B


N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40

Soun

d pr

essu

re le

vel

(Sta

ndar

d 0.

0002

µ ba

r) d

B

Indoor unitMeasured based on JIS B 8616Mike position as below

Model FDKN208HNoise level 45dB (A) at HIGH

38dB (A) at LOW

Outdoor unitMeasured based on JIS B 8616Mike position: at highest noise level

in position as belowDistance from front side 1 mHeight 1 m


38dB (A) at LOW


40dB (A) at LOW

(2) Outdoor unit

Model FDC208HEN3ANoise level 52dB (A)

Model FDC258HEN3ANoise level 52dB (A)


N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40

Soun

d pr

essu

re le

vel

(Sta

ndar

d 0.

0002

µ ba

r) d

B

Model FDCP208HEN3ANoise level 52dB (A)

Model FDCP258HEN3ANoise level 52dB (A)


N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40

Soun

d pr

essu

re le

vel

(Sta

ndar

d 0.

0002

µ ba

r) d

B

Souu

d p

ress

ure

leve

l (

stan

dard

0.0

002µ

bar)


N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40

Models FDCP308HEN3, 308HES3Noise level 52dB (A)


N30N20

N50

N60

N70

63 125 250 500 1000 2000 4000 800020

30

40

50

60

70

20

30

40

50

60

70

N40

Soun

d pr

essu

re le

vel

(Sta

ndar

d 0.

0002

µ ba

r) d

B

491

FDKN-H

Model FDKN208HEN-S1

Co

lor

mar

k

Mar

kC

olo

rB

KB

lack

BL

Blu

eB

RB

row

nG

RG

ray

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PK

Pink

RD

Red

WH

Whi

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low

Mar

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olo

rB

K/R

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lack

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BL

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e/W

hite

BR

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R/W

HO

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hite

RD

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/Gre

en

Po

wer

so

urc

e1

Ph

ase

220/

240V

50H

z

XR

3

XR

5

BK

BK

XR

1

Op

tio

n

Th

l-A

XR

2

XR

4

BK

BK

Th

l-R

BK

BK

BK

BK

BK

BK

Rec

eive

ram

p.

Wir

eles

sre

mo

teco

ntr

olle

r

LED

1

LED

2

TB

TB

52X5

FMI

(49F

I)

LM

SW

SW

3

CnCCnNCnH CnACnT

52X6

52X

552

X6

PC

Cn

FC

nJ

Cn

QT

est

RD

RD/W

H

BK/

WH

BK/

RD

BL/

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WH

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BK

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21 9 10 14

RD

21

4O

NO

FF

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nte

d c

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it b

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DR

Tho-

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2

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LED

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(Ch

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(Ru

n)

Cn

E

Vao(C

hec

ker) Cn

A1 T

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6

14V

27

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BK/RD

BR/WH

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P

P

BR

BR

BK

BK

BK

BK

2625

2120

1918

1716

1312

2

31

42

Pri

nte

d c

ircu

it b

oar

d

3

HL

UH

A1CF

01A2

28

X05

X02

X01

X03

X04

X06

X07

X01

220/240V

7

PC

PC

CnR

CnM1

CH

X04

X07

X02

X05

X03

X06

1 22/

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33

44

55

F(3.15A)

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OR/WH

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CT

1

R

S

C

52C

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RD/WH

RD

BK/WH

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SV

152

C20

S

NR

FMO1

(49F

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CM

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BKBR

CnW1

CnW2

TrI

220/240V

14V

16V

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tdo

or

Un

itIn

do

or

Un

it

1L

12.3 ELECTRICAL DATA12.3.1 Electrical wiring

Mea

nin

g o

f m

arks

Mar

kP

arts

nam

eM

ark

Par

ts n

ame

CC

Cap

acito

r fo

r C

MT

hI-R

The

rmis

tor

CF

OC

apac

itor

for

FMO

Th

o-A

The

rmis

tor

CH

Cra

nkca

se h

eate

rT

ho

-DT

herm

isto

rC

MC

ompr

esso

r m

otor

Th

o-R

The

rmis

tor

Cn

A ~

WC

onne

ctor

( m

ark)

Tro

Tra

nsfo

rmer

CT

1C

urre

nt s

enso

rV

alV

aris

tor

FFu

seV

aoV

aris

tor

FM

IFa

n m

otor

(In

door

uni

t)20

S4-

way

val

ve s

olen

oid

FM

OFa

n m

otor

(O

utdo

or u

nit)

49F

IIn

tern

al th

erm

osta

t for

FM

IL

ED

1In

dica

tion

lam

p (G

reen

- R

un)

49F

OIn

tern

al th

erm

osta

t for

FM

oL

ED

2In

dica

tion

lam

p (Y

ellow

- Ti

mer

/Che

ck)

52C

Mag

netic

con

tact

or f

or C

ML

ML

ouve

r m

otor

52X

5, 6

Aux

iliar

y re

lay

NR

Surg

e su

ppre

ssor

X01

~07

Aux

iliar

y re

lay

PC

Phot

o co

uple

r63

H2

Hig

h pr

essu

re s

witc

h (f

or c

ontr

ol)

SV

1So

leno

id c

oil (

for

cont

rol)

vTe

rmin

al (

F)S

WSw

itch

(ON

/OFF

)■

Con

nect

orS

W3

Cha

ngeo

ver

switc

hL

ED

-GIn

dica

tion

lam

p (G

reen

)T

BTe

rmin

al b

lock

( m

ark)

LE

D-R

Indi

catio

n la

mp

(Red

)T

hI-A

The

rmis

tor

492

FDKN-H

Model FDKN258HEN-S1

Co

lor

mar

k

Mar

kC

olo

rB

KB

lack

BL

Blu

eB

RB

row

nG

RG

ray

OR

Ora

nge

PK

Pink

RD

Red

WH

Whi

teY

Yel

low

Mar

kC

olo

rB

K/R

DB

lack

/Red

BK

/WH

Bla

ck/W

hite

BL

/WH

Blu

e/W

hite

BR

/WH

Bro

wn/

Whi

teO

R/W

HO

rang

e/W

hite

RD

/WH

Red

/Whi

teY

/GN

Yel

low

/Gre

en

Po

wer

so

urc

e1

Ph

ase

220/

240V

50H

z

XR

3

XR

5

BK

BK

XR

1

Op

tio

n

Th

l-A

XR

2

XR

4

BK

BK

Th

l-R

BK

BK

BK

BK

BK

BK

Rec

eive

ram

p.

Wir

eles

sre

mo

teco

ntr

olle

r

LED

1

LED

2

TB

TB

52X5

FMI

(49F

I)

LM

SW

SW

3

CnCCnNCnH CnACnT

52X6

52X

552

X6

PC Cn

FC

nJ

Cn

QT

est

IC10

Val

RD

RD/W

H

BK/

WH

BK/

RD

BL/

WH

BR/

WH

Y/GN

WH

BK

BL

21 9 10 14

RD

21

4O

NO

FF

Pri

nte

d c

ircu

it b

oar

d3

BL

220/240V

PK

ORBR

RD

WHBLY

3

BR

Y/G

N

BK

DR

DR

Tho-

R

63H

2

Cn

L

LED

-R

LED

-G

(Ch

eck)

(Ru

n)

Cn

E

Vao(C

hec

ker) Cn

A1 T

roCn

A2

BK

Tho-

D

BK

Tho-

A

6

14V

27

BL/WH

BK/RD

BR/WH

BL

BL

P

P

BR

BR

BK

BK

2625

2120

1918

1716

1312

2

31

42

Pri

nte

d c

ircu

it b

oar

d

3

HL

UH

A1CF

01A2

28

X05

X02

X01

X03

X04

X06

X07

X01

220/240V

7

PC

PC

CnR

CnM1

CH

X04

X07

X02

X05

X03

X06

1 22/

N

33

44

55

F(3.15A)

OR/WH

OR/WH

ORORWHBRBLBK

WHWH

RDBL

Y/GN

WHRD

RD

BK

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WH

CT

1

R

S

C

52C

Cc

RD/WH

RD

BK/WH

NTB

SV

152

C20

SFM

O1(4

9FO1

)

CM

Ou

tdo

or

Un

itIn

do

or

Un

it

BK

BK

NR

1L

Mea

nin

g o

f m

arks

Mar

kP

arts

nam

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ark

Par

ts n

ame

CC

Cap

acito

r fo

r C

MT

hI-R

The

rmis

tor

CF

OC

apac

itor

for

FMO

Th

o-A

The

rmis

tor

CH

Cra

nkca

se h

eate

rT

ho

-DT

herm

isto

rC

MC

ompr

esso

r m

otor

Th

o-R

The

rmis

tor

Cn

A ~

WC

onne

ctor

( m

ark)

Tro

Tra

nsfo

rmer

CT

1C

urre

nt s

enso

rV

alV

aris

tor

FFu

seV

aoV

aris

tor

FM

IFa

n m

otor

(In

door

uni

t)20

S4-

way

val

ve s

olen

oid

FM

OFa

n m

otor

(O

utdo

or u

nit)

49F

IIn

tern

al th

erm

osta

t for

FM

IL

ED

1In

dica

tion

lam

p (G

reen

- R

un)

49F

OIn

tern

al th

erm

osta

t for

FM

oL

ED

2In

dica

tion

lam

p (Y

ellow

- Ti

mer

/Che

ck)

52C

Mag

netic

con

tact

or f

or C

ML

ML

ouve

r m

otor

52X

5, 6

Aux

iliar

y re

lay

NR

Surg

e su

ppre

ssor

X01

~07

Aux

iliar

y re

lay

PC

Phot

o co

uple

r63

H2

Hig

h pr

essu

re s

witc

h (f

or c

ontr

ol)

SV

1So

leno

id c

oil (

for

cont

rol)

vTe

rmin

al (

F)S

WSw

itch

(ON

/OFF

)■

Con

nect

orS

W3

Cha

ngeo

ver

switc

hL

ED

-GIn

dica

tion

lam

p (G

reen

)T

BTe

rmin

al b

lock

( m

ark)

LE

D-R

Indi

catio

n la

mp

(Red

)T

hI-A

The

rmis

tor

493

FDKN-H

Model FDKNP208HEN-S

Co

lor

mar

k

Mar

kC

olo

rB

KB

lack

BL

Blu

eB

RB

row

nG

RG

ray

OR

Ora

nge

PK

Pink

RD

Red

WH

Whi

teY

Yel

low

Mar

kC

olo

rB

K/R

DB

lack

/Red

BK

/WH

Bla

ck/W

hite

BL

/WH

Blu

e/W

hite

BR

/WH

Bro

wn/

Whi

teO

R/W

HO

rang

e/W

hite

RD

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Red

/Whi

teY

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Yel

low

/Gre

en

Po

wer

so

urc

e1

Ph

ase

220/

240V

50H

z

XR

3

XR

5

BK

BK

XR

1

Op

tio

n

Th

l-A

XR

2

XR

4

BK

BK

Th

l-R

BK

BK

BK

BK

BK

BK

Rec

eive

ram

p.

Wir

eles

sre

mo

teco

ntr

olle

r

LED

1

LED

2

TB

TB

52X5

FMI

(49F

I)

LM

SW

SW

3

CnCCnNCnH CnACnT

52X6

52X

552

X6

PC

Cn

FC

nJ

Cn

QT

est

RD

RD/W

H

BK/

WH

BK/

RD

BL/

WH

BR/

WH

Y/GN

WH

BK

BL

21 9 10 14

RD

21

4O

NO

FF

Pri

nte

d c

ircu

it b

oar

d3

BLPK

ORBR

RD

WHBLY

3

BR

Y/G

N

BK

DR

DR

Tho-

R

63H

2

Cn

L

LED

-R

LED

-G

(Ch

eck)

(Ru

n)

Cn

E

Vao(C

hec

ker) Cn

A1 T

roCn

A2

BK

Tho-

D

BK

Tho-

A

6

14V

27

BL/WH

BK/RD

BR/WH

BL

BL

P

P

BR

BR

BK

BK

2625

2120

1918

1716

1312

2

31

42

Pri

nte

d c

ircu

it b

oar

d

3

HL

UH

A1CF

01A2

28

X05

X02

X01

X03

X04

X06

X07

X01

220/240V

7

PC

PC

CnR

CnM1

CH

X04

X07

X02

X05

X03

X06

BR

BR63H

1

89

1 22/

N

33

44

55

F(3.15A)

OR/WH

OR/WH

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WHWH

RDBL

Y/GN

WHRD

RD

BK

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WH

CT

1

R

S

C

52C

Cc

RD/WH

RD

BK/WH

NTB

SV

152

C20

SFM

O1(4

9FO1

)

CM

Val

BKRD

BKBR

CnW1

CnW2

TrI

220/240V

14V

16V

Ou

tdo

or

Un

itIn

do

or

Un

it

BK

BK

NR

L1

Mea

nin

g o

f m

arks

Mar

kP

arts

nam

eM

ark

Par

ts n

ame

CC

Cap

acito

r fo

r C

MT

hI-R

The

rmis

tor

CF

OC

apac

itor

for

FMO

Th

o-A

The

rmis

tor

CH

Cra

nkca

se h

eate

rT

ho

-DT

herm

isto

rC

MC

ompr

esso

r m

otor

Th

o-R

The

rmis

tor

Cn

A ~

WC

onne

ctor

( m

ark)

Tro

Tra

nsfo

rmer

CT

1C

urre

nt s

enso

rV

alV

aris

tor

FFu

seV

aoV

aris

tor

FM

IFa

n m

otor

(In

door

uni

t)20

S4-

way

val

ve s

olen

oid

FM

OFa

n m

otor

(O

utdo

or u

nit)

49F

IIn

tern

al th

erm

osta

t for

FM

IL

ED

1In

dica

tion

lam

p (G

reen

- R

un)

49F

OIn

tern

al th

erm

osta

t for

FM

oL

ED

2In

dica

tion

lam

p (Y

ellow

- Ti

mer

/Che

ck)

52C

Mag

netic

con

tact

or f

or C

ML

ML

ouve

r m

otor

52X

5, 6

Aux

iliar

y re

lay

NR

Surg

e su

ppre

ssor

PC

Phot

o co

uple

rX

01~0

7A

uxili

ary

rela

y63

H1

Hig

h pr

essu

re s

witc

h (f

or p

rote

ctio

n)S

V1

Sole

noid

coi

l (fo

r co

ntro

l)63

H2

Hig

h pr

essu

re s

witc

h (f

or c

ontr

ol)

SW

Switc

h (O

N/O

FF)

vTe

rmin

al (

F)S

W3

Cha

ngeo

ver

switc

h■

Con

nect

orT

BTe

rmin

al b

lock

( m

ark)

LE

D-G

Indi

catio

n la

mp

(Gre

en)

Th

I-AT

herm

isto

rL

ED

-RIn

dica

tion

lam

p (R

ed)

494

FDKN-H

Model FDKNP258HEN-S

Po

wer

so

urc

e1

Ph

ase

220/

240V

50H

z

XR

3

XR

5

BK

BK

XR

1

Op

tio

n

Th

l-A

XR

2

XR

4

BK

BK

Th

l-R

BK

BK

BK

BK

BK

BK

Rec

eive

ram

p.

Wir

eles

sre

mo

teco

ntr

olle

r

LED

1

LED

2

TB

TB

52X5

FMI

(49F

I)

LM

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SW

3

CnCCnNCnH CnACnT

52X6

52X

552

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PC Cn

FC

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Cn

QT

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IC10

Val

RD

RD/W

H

BK/

WH

BK/

RD

BL/

WH

BR/

WH

Y/GN

WH

BK

BL

21 9 10 14

RD

21

4O

NO

FF

Pri

nte

d c

ircu

it b

oar

d3

BL

220/240V

PK

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RD

WHBLY

3

BR

Y/G

N

BK

DR

DR

Tho-

R

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2

Cn

L

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(Ru

n)

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E

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hec

ker) Cn

A1 T

roCn

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BK

Tho-

D

BK

Tho-

A

6

14V

27

BL/WH

BK/RD

BR/WH

BL

BL

P

P

BR

BR

BK

BK

2625

2120

1918

1716

1312

2

31

42

Pri

nte

d c

ircu

it b

oar

d

3

HL

UH

A1CF

01A2

28

X05

X02

X01

X03

X04

X06

X07

X01

220/240V

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CnM1

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X07

X02

X05

X03

X06

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33

44

55

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RD

BK

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WH

CT

1

R

S

C

52C

Cc

RD/WH

RD

BK/WH

NTB

SV

152

C20

SFM

O1(4

9FO1

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CM

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tdo

or

Un

itIn

do

or

Un

it

BK

BK

NR

L1

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k

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kC

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rB

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RG

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nge

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RD

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low

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kC

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rB

K/R

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lack

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ck/W

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/WH

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Whi

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R/W

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RD

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Yel

low

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Mea

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f m

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Mar

kP

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ark

Par

ts n

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CC

Cap

acito

r fo

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MT

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FDKN-H

12.5 APPLICATION DATASAFETY PRECAUTIONS

• Please read these “Safety Precautions” first then accurately execute the installation work.• Though the precautionary points indicated herein are divided under two headings. WARNING and CAUTION , those points

which are related to the strong possibility of an installation done in error resulting in death or serious injury are listed in the WARNINGsection. However, there is also a possibility of serious consequences in relationship to the points listed in the CAUTION section aswell.In either case, important safety related information is indicated, so by all means, properly observe all that is mentioned.

• After completing the installation, along with confirming that no abnormalities were seen from the operation tests, please explainoperating methods as well as maintenance methods to the user (customer) of this equipment, based on the owner’s manual.Moreover, ask the customer to keep this sheet together with the owner’s manual.

WARNING

CAUTION

• This system should be applied to places of office, restaurant, residence and the like. Application to inferiorenvironment such as engineering shop could cause equipment malfunction.

• Please entrust installation to either the company which sold you the equipment or to a professional contractor.Defects from improper installations can be the cause of water leakage, electric shocks and fires.

• Execute the installation accurately, based on following the installation manual. Again, improper installations canresult in water leakage, electric shocks and fires.

• When a large air-conditioning system is installed to a small room, it is necessary to have a prior planned counter-measure for the rare case of a refrigerant leakage, to prevent the exceeding of threshold concentration.In regards to preparing this countermeasure, consult with the company from which you perchased the equipment,and make the installation accordingly. In the rare event that a refrigerant leakage and exceeding of thresholdconcentration does occur, there is the danger of a resultant oxygen deficiency accident.

• For installation, confirm that the installation site can sufficiently support heavy weight. When strength is insufficient,injury can result from a falling of the unit.

• Execute the prescribed installation construction to prepare for earthquakes and the strong winds of typhoons andhurricanes, etc. Improper installations can result in accidents due to a violent falling over of the unit.

• For electrical work, please see that a licensed electrician executes the work while following the safety standardsrelated to electrical equipment, and local regulations as well as the installation instructions, and that only exclusiveuse circuits are used.Insufficient power source circuit capacity and defective installment execution can be the cause of electric shocksand fires.

• Accurately connect wiring using the proper cable, and insure that the external force of the cable is not conductedto the terminal connection part, through properly securing it. Improper connection or securing can result in heatgeneration or fire.

• Take care that wiring does not rise upward, and accurately install the lid/service panel. Its improper installationcan also result in heat generation or fire.

• When setting up or moving the location of the air-conditioner, do not mix air etc. or anything other than thedesignated refrigerant (R22) within the refrigeration cycle.Rupture and injury caused by abnormal high pressure can result from such mixing.

• Always use accessory parts and authorized parts for installation construction. Using parts not authorized by thiscompany can result in water leakage, electric shock, fire and refrigerant leakage.

• Execute proper grounding. Do not connect the ground wire to a gas pipe, water pipe, lightning rod or a telephoneground wire. Improper placement of ground wires can result in electric shock.

• The installation of an earth leakage breaker is necessary depending on the established location of the unit. Notinstalling an earth leakage breaker may result in electric shock.

• Do not install the unit where there is a concern about leakage of combustible gas.The rare event of leaked gas collecting around the unit could result in an outbreak of fire.

• For the drain pipe, follow the installation manual to insure that it allows proper drainage and thermally insulate itto prevent condensation. Inadequate plumbing can result in water leakage and water damage to interior items.

12.4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTERSame as the cooling/heating equipment for FDT (N) heat pump type. Refer to page 317.

498

FDKN-H

(a) Select the installation location that meets the following conditions and obtain

the customer's consent.

1) Location where cold and warm air spread all over the room

2) Location where piping and wiring to the outdoors can easily be laid down.

3) Location where the drain can be discharged completely.

4) Location where the wall to mount the unit is rigid.

5) Location where there is no wind obstruction to the return air and supply

air grills.

6) Location not exposed to direct sunshine.

7) Avoid the location exposed to oil splash or vapor.

8) Avoid the location near to the machine emitting high-frequency radio wave.

9) Avoid the location where the receiver of remote control is subject to

strong illumination.

10) Select the location where the unit can securely be operated by the wire-

less remote controller referring to the Article “Effective distance of wire-

less remote controller” indicated at the backside.

11) Secure the space for inspection and maintenance work.

Unit: mm

120 or more 120 or more

Floor

1 m

Wireless remote con-troller

2 m

Within 5 m

Illumination over suction grill-800 lus.

Within30°

Within

30°

Within 60°

Within 5 m

Relation between illumination at receiverunit and operating distance

Caution item for close installation ofmultiple units

(Plan view)

3 m

5 m

7.5

m

720 l

ux

360 lux

180 lux

60°

(Plan view)

5 m 5 m

60° 60°

[Condition] Illumination at suction grill face 800 lux

A

Effective scope Effective scope

12.5.1 Installation of indoor unitNOTICE

All Wiring of this installation must comply with NATIONAL, STATE AND LOCAL REGULATIONS. These instructionsdo not cover all variations for every kind of installation circumstance. Should further information be desired or shouldparticular problems occur, the matter should be referred to Mitsubishi Heavy Industries, Ltd. through your local distributor.

WARNINGBE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION. FAILURE TOFOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH, EQUIPMENT MALFUNCTIONAND/OR PROPERTY DAMAGE.

(2) Cautions for use of wireless remote controller(a) Opareting distance of wireless remote controller

(b) Cautlons for operation

1) Orient the remote control switch properly toward the receiver of the unit.

2) Operating distance is as shown above but it may vary largely depending on the conditions.

3) Effective distance may be shortened and the receiving may be disturbed when the receiver is under the condition of

direct exposure to sunlight or other strong light like electric bulb, dust is accumulated on it and it is shielded with a

curtain, etc.

or m

ore

(1) Selection of installation location

DimensionFDKN208 type FDKN258 · 308 type

A 65 90

499

FDKN-H

(3) Carry-in and installation of unit(a) Carry-in

1) When carrying in the unit, carry it in as packed to the installation site as near as possible.2) If you are compelled to carry in the unit unpacked, cover it with a nylon sling so that it is not

damaged.Note) Do not carry the unit by holding it at the supply air louver.

3) When laying the unit on the ground after unpacking. place it with its front side up without fail.(b) Attaching of mounting plate

1) The indoor unit weighs approx, 11 kg. Therefore, check whether the portion to install the unit can bear the weight ofunit. If it seems to be danger, reinforce the portion by a plate or a beam before installing the unit. It is not allowed toinstall the unit directly on the wall. Whenever you install the unit, use the attached mounting plate.

For left rear take-out piping For right rear take-out piping

1. Remove the drain hose. 2. Remove the drain cap. 3. Insert the drain cap. 4. Connect the drain hose.

Reference hole

WARNING

The indoors

Wall

The outdoors

Sleeve

Sealing plate

Sleeve

Piping

Drain hose

Level matching mark

For left running horizontal piping For right running horizontal piping

For left running horizontal piping For right running horizontal piping

This air-conditioner is so constructed that dew generated on thebackside is gathered in the drain pan to drain, therefore, do notstore the power cable, etc. at the higher place than the trough.

Trough

Wall

Wiring storage portion

Right

Rear

Down Left rearLeft

• Find structural members (Intermediate pillar, etc.) suitable for mounting the unit,then install the unit firmly while checking levelness.

A

• Adjust the level of mounting plate under the condi-tion that four screws are tightened temporarily.

• Turn the mounting plate around the reference holeto adjust the levelness.

• Install the unit where it can bear the weight with sufficient strength margin. In the case ofinsufficient strength or insufficient installation work, the unit may fall and cause injury.

After forming ofpiping and be-fore tape wind-ing, confirm thatthe connectingwire is securelyfixed to the ter-minal table.

The piping can be taken out from therear, left, left rear, right and down.

• Make a downgrade (5°) from the indoors toward the outdoors.

(c) Procedure for making hole on the wall

(d) Forming of piping and drain hose1) Rear take out case• Forming of piping • Tape winding

• Hold the root portion of pip-ing, change the direction thenexpand and make forming.

• Wind the tape on the portion which passesthrough the hole on the wall.

• Always make taping on the wiring whichcrosses with the piping, if any.

2) Cautions for left take-out and rear take-out casea) Looking down

b) Procedure for changing drain hose

• Loosen spring type clamp toremove.

• Remove by hand or pliers. • Insert the drain cap which wasremoved in procedure 2 se-curely using a hexagonalwrench, etc.

Note: When it is not inserted se-curely, water leakage mayoccur.

• Loosen the spring type clampto insert the drain hose se-curely.

Note: When it is not inserted se-curely, water leakage mayoccur.

ModelFDKN208 · 258 type FDKN308 typeDimension

A 450 690

500

FDKN-H

ø27.

5

ø16.

4ø1

2.4

(e) Installation of unit

Lid (right hand)

Mounting plate

Wall

Claw at the lower portion of indoor unit base.

Indoor unit

Mounting plate

Installation work procedure

(1) Hang the upper portion of in-door unit on the mounting plate.

(2) The indoor unit can be fixedwith one action by pushing itslower portion slightly.

Illustration showing the end of drain hose

No chevron-shaped bend is allowed.

No trap is allowed.

The end shallnot be sub-merged in wa-ter.

Hard vinyl chloride pipe (general-purposepipe VP-16) can be connected.

CAUTION

The drainage work must be performed surely and the

drainage must be checked. If drainage is not perfect, it

causes water leakage.

• To remove the unit from themounting plate, remove theright and left lids then removethe claw at the lower portionof base.

(4) Refrigerant piping

(a) Comply the following table for the tightening torque of the flared nut and flange bolt.

Flared nut tightening torque

φ6.35: 16 to 20 (N-m), (1.6 to 2.0 kg-m)

φ9.52: 40 to 50 (N-m), (4 to 5 kg-m)

φ15.88: 90 to 120 (N-m), (9 to 12 kg-m)

Wrap the gaseous refrigerant piping and liquid refrigerant piping with thermal insulator perfectly.

(b) In the case of liquid refrigerant piping, if it is not insulated, dew condensation and water leakage may occur.

(c) When removing the flared nut at the piping end of unit, always use 2 of spanners, and when

connecting the pipe tighten it firmly using 2 of spanners.

(d) When connecting the flared nut, apply refrigerating machine oil on the back surface of flare

and screw-in the nut for the first 3 to 4 turns by hand.

(e) Use the pipe made of the following material. It is very convenient to use the separately sold

piping kit.

Material: Phosphor deoxidized seamless copper tube (C1220T,JIS H3300)

(f) Cover the connection part with indoor unit insulation material and insulate the notched part

with attached insulation and then wrap it up with tape.

(6) Fixing of wiring

(a) Remove the front panel.

(b) Connect the wire from the indoor and outdoor units to the terminal table of control box.

(c) Attach the front panel.

Notes (1) Refer to the illustration below for the removal and attaching of the front panel.

(2) Before connecting the wiring to the terminal table, confirm the terminal number.

Arrange so that thecut portion is lo-cated upper side.

Vinyl tape

Insulate with attached in-sulation.

(5) Drain piping

(a) Lay the drain piping with downgrade to facilitate flow of drain,and do not make a trap or chevron-shaped bend. (The drain

piping can be taken out from the unit to the left, right, rear and down direction.)

Wrap the thermal insulator on the hard vinyl chloride pipe (VP-16) laid in the room.

(b) Pour water into the drain pan below the heat exchanger to

check that water is drained outdoors.

Claw (2 places)(FDKN308: 3 places)

501

FDKN-H

(d) Removal order of the panel

1) Open the return air grill. (Pull both lower ends of the return air grill, raise the grill until the reaction is felt after

disengaging the latch. The return air grill will stop at approx. 60° open position.)

2) Remove the air filter.

3) Remove 2 fixing screws for model 258 and 3 fixing screws for model 308.

4) Close the return air grill. (Hold both lower ends of the return air grill, lower the grill slowly downward, push it slightly

to engage the latch and again push the center portion slightly.)

5) Remove the fixing screw of front panel. (2 places for 208, 3 places for 258, and 4 places for 308.)

6) Lift the lower portion of front panel this side and remove it while pushing the upper portion up.

(e) Attaching order of the panel

1) Lay the front panel on the main body.

2) Push the "O" portion shown in the illustration from front side.

3) Tighten the fixing screw of front panel.

4) Open the return air grill to tighten the cap screw. (258, 308 only)

5) Set the air filter.

6) Close the return air grill.

Push in these portions.Fixing screw

Fixing screwBy switching the dip switch (SW3-3) on the indoor unit printed circuitboard ("Specify the following switch number."), the operation mode canbe changed to the quiet mode (mild mode). Confirm at installation andchange if necessary.

12.5.2 Installation of outdoor unitSame as the cooling/heating equipment for FDT (N) heat pump type.

Refer to page 338.

12.6 MAINTENANCE DATASame as the cooling/heating equipment for FDT (N) heat pump type.

Refer to page 348.

208 has no screws. 258 has 2places and 308 has 3 places.( )

258 has 3 places and308 has 4 places.( )

fdkn-h - c-o-k.ru · 469 fdkn-h 12. wall mounted type packaged air-conditioner split system, air to...

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