compact unit coolers - krack.com documents/kruc.pdf · kr series compact unit coolers ordering...

KR SeriesCOMPACT UNIT COOLERS

Technical Bulletin: KRUC_005_092017

Products that provide lasting solutions.

KR Series Compact Unit Coolers

Provides Excellent Design Innovations That Enhance Overall Refrigeration Performance

KR SERIES COMPACT UNIT COOLERS

Specifications subject to change without notice.1

The KR Compact Unit Cooler is specially designed with a low sihouette that fits flush to the ceiling utilizing less than 16 inches of headroom. This design gives you more usable storage space for every walk-in application. The KR Series is constructed for high efficiency and ease of maintenance.

Standard Features

n Swept Wing Fan Blade Design – providing minimal noise and improved customer satisfaction.

n Non-metallic fan guard.

n Front access to refrigeration components for serviceability.

n Electrical panel located behind front access hinged aluminum cover.

n Standard EC fan motors for 115/1/60 and 208-230/1/60.

n Die-formed patterned aluminum cabinet and drain pan with easy-to-clean radius corners.

n Pressurized, sealed coils with heavy-walled copper tube and rippled full collar aluminum fins.

n Superheat gauge fitting.

n Electric defrost models feature efficient coil face heaters, drain pan heaters and defrost controls. Available heater voltages – 115/1 (H&P Defrost only), 230/1, 230/3, and 460/1 (E Defrost only).

n Factory wired fan and defrost controls with convenient terminal strips.

n Plug in motor leads.

Optional Features and Accessories

n These coils can be circuited for fluid or CO2 application.

n PSC motors for 115/1/60 and 208-230/1/60.

n Shaded pole motors for 460/1/60.

n Installed TX valve.

n Installed liquid solenoid valve.

n Wire fan guard.


Ordering Information



n Complete model number.

n Refrigerant R404A, R407A, R407C, R407F, R507 and R448A/R449A.

n Room temperature.

n Saturated suction temperature.

n Liquid refrigerant temperature.

n Motor and heater voltage.

n Optional features.

n Optional accessories.

Model Key

Heater Voltage

A = 230/1/60B = 115/1/60 (For H&P Defrost)

H = 460/1/60 (For E Defrost)K = 230/3/60

Unit Type

KR = Krack Compact Series

Fin Spacing

4 FPI6 FPI

Number of Fans

Type of Defrost

A = Air Defrost

E = Electric with Electric PanG = 3 Pipe Hot Gas with Hot Gas Drain PanH = 3 Pipe Hot Gas with Electric Drain Pan

K = 2 Pipe Kool Gas with Kool Gas Drain PanP = 2 Pipe Kool Gas with Electric Drain Pan

Motor Type

A = Shaded Pole Motors (460V only) B = PSC Motors (115V & 230V) E = EC Motors (115V & 230V)

BTU/h in Hundreds (00)

Motor Voltage

A = 208-230/1/60B = 115/1/60H = 460/1/60

KR

J = Brine with Electric Defrost (Coil & Pan)

B = Brine

E A K--2 4 E 074

UL ULC

Specify When Ordering All Models


Air Defrost Low Profile

Electric Defrost Low Profile

CAPACITY (BTUH)@ 10˚F TD SHIPPING

WGT.(LBS)

555560609090

100100100125140140165180180200220240240265265

MODELKR14E-037KR16E-035KR16E-041KR16E-045KR24E-065KR24E-074KR26E-067KR26E-075KR26E-090KR34E-111KR36E-126KR36E-135KR44E-148KR46E-160KR46E-180KR54E-185KR56E-192KR64E-213KR64E-220KR66E-240KR66E-270

AIRFLOW(CFM)

875845845845

1,7501,7501,6901,6901,6902,6252,5352,5353,5003,3803,3804,3754,2255,2505,2505,0705,070

L29.1329.1329.1329.1347.1347.1347.1347.1347.1365.1365.1365.1383.1383.1583.15101.13101.13119.13119.13119.13119.13

W15.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.32

H15.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.90

DIMENSIONS (IN)

-20 SST 3,7003,5004,1004,5006,5007,4006,7007,5009,00011,10012,60013,50014,80016,00018,00018,50019,20021,30022,00024,00027,000

+20 SST 5,0004,7305,5406,0808,7809,9909,05010,13012,15014,99017,01018,23019,85021,60024,30024,98025,92028,76029,70032,40036,450

SHIPPINGWGT.(LBS)

55606090

1001001001001201401401802202652656090

100125140165180225265

MODELKR16A-040KR16A-054KR16A-060KR26A-072KR26A-089KR26A-105KR26A-115KR26A-125KR36A-134KR36A-159KR36A-170KR46A-216KR56A-242KR66A-310KR66A-340KR14A-058KR24A-096KR24A-117KR34A-143KR34A-173KR44A-191KR44A-232KR54A-290KR64A-348

AIRFLOW(CFM)

845845845

1,6901,6901,6901,6901,6902,5352,5352,5353,3804,2255,0705,070855

1,7501,7102,6252,5653,5003,4204,2755,130

L29.1329.1329.1347.1347.1347.1347.1347.1365.1365.1365.1383.13101.13119.13119.1329.1347.1347.1365.1365.1383.1383.13101.13119.13

W15.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.32

H15.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.90

CAP. (BTUH)@ 10°F TD+25 SST

4,0005,4006,0007,2008,900

10,50011,50012,50013,40015,90017,00021,60024,20031,00034,0005,8009,600

11,70014,30017,30019,10023,20029,00034,800

DIMENSIONS (IN)

LIQUID0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

SUCTION.625.625.625.875.875.875.875.875.875.8751.1251.1251.1251.1251.375.625.875.875.8751.1251.1251.1251.1251.375

HG0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

REFRIGERATION CONNECTIONS

LIQUID0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

SUCTION.625.625.625.625.875.875.875.875.875.875.875.8751.1251.1251.1251.1251.1251.1251.1251.1251.125

HG0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5


# OFHANGERS

444444444446666444446666

CHARGEDATA LBSOF R404A

111222222333455122233345

# OFHANGERS

444444444444666666666


111122222333333445555

CAPACITY (BTUH)@ 10˚F TD

SHIPPINGWGT.(LBS)

555560609090

100100100125140140165180180200220240240265265

MODELKR14E-037KR16E-035KR16E-041KR16E-045KR24E-065KR24E-074KR26E-067KR26E-075KR26E-090KR34E-111KR36E-126KR36E-135KR44E-148KR46E-160KR46E-180KR54E-185KR56E-192KR64E-213KR64E-220KR66E-240KR66E-270

AIRFLOW(CFM)

875845845845

1,7501,7501,6901,6901,6902,6252,5352,5353,5003,3803,3804,3754,2255,2505,2505,0705,070

L29.1329.1329.1329.1347.1347.1347.1347.1347.1365.1365.1365.1383.1383.1583.15101.13101.13119.13119.13119.13119.13

W15.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.32

H15.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.90

DIMENSIONS (IN)

-20 SST 3,7003,5004,1004,5006,5007,4006,7007,5009,00011,10012,60013,50014,80016,00018,00018,50019,20021,30022,00024,00027,000

+20 SST 5,0004,7305,5406,0808,7809,9909,05010,13012,15014,99017,01018,23019,85021,60024,30024,98025,92028,76029,70032,40036,450

SHIPPINGWGT.(LBS)

55606090

1001001001001201401401802202652656090

100125140165180225265

MODELKR16A-040KR16A-054KR16A-060KR26A-072KR26A-089KR26A-105KR26A-115KR26A-125KR36A-134KR36A-159KR36A-170KR46A-216KR56A-242KR66A-310KR66A-340KR14A-058KR24A-096KR24A-117KR34A-143KR34A-173KR44A-191KR44A-232KR54A-290KR64A-348

AIRFLOW(CFM)

845845845

1,6901,6901,6901,6901,6902,5352,5352,5353,3804,2255,0705,070855

1,7501,7102,6252,5653,5003,4204,2755,130

L29.1329.1329.1329.1347.1347.1347.1347.1365.1365.1365.1383.13101.13119.13119.1329.1347.1347.1365.1365.1383.1383.13101.13119.13

W15.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.32

H15.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.90

CAP. (BTUH)@ 10°F TD+25 SST

4,0005,4006,0007,2008,900

10,50011,50012,50013,40015,90017,00021,60024,20031,00034,0005,8009,600

11,70014,30017,30019,10023,20029,00034,800

DIMENSIONS (IN)

LIQUID0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

SUCTION.625.625.625.875.875.875.875.875.875.8751.1251.1251.1251.1251.375.625.875.875.8751.1251.1251.1251.1251.375

HG0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5


LIQUID0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

SUCTION.625.625.625.625.875.875.875.875.875.875.875.8751.1251.1251.1251.1251.1251.1251.1251.1251.125

HG0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5


# OFHANGERS

444444444446666444446666


111222222333455122233345

# OFHANGERS

444444444444666666666


111122222333333445555


Hot Gas Defrost Low Profile



KR Motor Options

WATTS

64

128

192

256

320

384

AMPS

0.6

1.2

1.8

2.4

3.0

3.6

115/1/60WATTS

58

116

174

232

290

348

AMPS

0.3

0.6

0.9

1.2

1.5

1.8

208-230/1/60PSC MOTORS OPTIONAL

NOTE: Available Types of Defrost: (K) KGG - 2 Pipe Kool Gas with Kool Gas Pan; (H) HGE - 3 Pipe Hot Gas with Electric Pan; (G) HGG - 3 Pipe Hot Gas with Hot Gas Pan;

(P) KGE - 2 Pipe Kool Gas with Electric Pan

CAPACITY(BTUH) @ 10˚F TD

SHIPPINGWGT.(LBS)

555560609090

100100100125140140165180180200220240240265265

MODELKR14( )-037KR16( )-035KR16( )-041KR16( )-045KR24( )-065KR24( )-074KR26( )-067KR26( )-075KR26( )-090KR34( )-111KR36( )-126KR36( )-135KR44( )-148KR46( )-160KR46( )-180KR54( )-185KR56( )-192KR64( )-213KR64( )-220KR66( )-240KR66( )-270

AIRFLOW(CFM)

875845845845

1,7501,7501,6901,6901,6902,6252,5352,5353,5003,3803,3804,3754,2255,2505,2505,0705,070

L29.1329.1329.1329.1347.1347.1347.1347.1347.1365.1365.1365.1383.1383.1583.15101.13101.13119.13119.13119.13119.13

W15.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.32

H15.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.90

DIMENSIONS (IN)

-20 SST 3,7003,5004,1004,5006,5007,4006,7007,5009,00011,10012,60013,50014,80016,00018,00018,50019,20021,30022,00024,00027,000

+20 SST 5,0004,7305,5406,0808,7809,9909,05010,13012,15014,99017,01018,23019,85021,60024,30024,98025,92028,76029,70032,40036,450

LIQUID0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

SUCTION.625.625.625.625.875.875.875.875.875.875.875.8751.1251.1251.1251.1251.1251.1251.1251.1251.125

HG0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

REFRIGERATION CONNECTIONS # OFHANGERS

444444444444666666666

CHARGEDATA LBSOF R-404A

111122222333333445555

MODEL

1 FAN

2 FAN

3 FAN

4 FAN

5 FAN

6 FAN

NOTE: Information required for complete product Model Key – Motor Type, Voltage Code, Heater Voltage Code. Refer to Model Key on page 2.

WATTS

100

200

300

400

500

600

AMPS

0.6

1.2

1.8

2.4

3.0

3.6

460/1/60SHADED POLE

WATTS

46

92

138

184

230

276

AMPS

0.8

1.6

2.4

3.2

4.0

4.8

115/1/60WATTS

45

90

135

180

225

270

AMPS

0.4

0.8

1.2

1.6

2.0

2.4

208-230/1/60EC MOTORS STANDARD

WATTS

64

128

192

256

320

384

AMPS

0.6

1.2

1.8

2.4

3.0

3.6

115/1/60WATTS

58

116

174

232

290

348

AMPS

0.3

0.6

0.9

1.2

1.5

1.8

208-230/1/60PSC MOTORS OPTIONAL

NOTE: Available Types of Defrost: (K) KGG - 2 Pipe Kool Gas with Kool Gas Pan; (H) HGE - 3 Pipe Hot Gas with Electric Pan; (G) HGG - 3 Pipe Hot Gas with Hot Gas Pan;

(P) KGE - 2 Pipe Kool Gas with Electric Pan

CAPACITY(BTUH) @ 10˚F TD

SHIPPINGWGT.(LBS)

555560609090

100100100125140140165180180200220240240265265

MODELKR14( )-037KR16( )-035KR16( )-041KR16( )-045KR24( )-065KR24( )-074KR26( )-067KR26( )-075KR26( )-090KR34( )-111KR36( )-126KR36( )-135KR44( )-148KR46( )-160KR46( )-180KR54( )-185KR56( )-192KR64( )-213KR64( )-220KR66( )-240KR66( )-270

AIRFLOW(CFM)

875845845845

1,7501,7501,6901,6901,6902,6252,5352,5353,5003,3803,3804,3754,2255,2505,2505,0705,070

L29.1329.1329.1329.1347.1347.1347.1347.1347.1365.1365.1365.1383.1383.1583.15101.13101.13119.13119.13119.13119.13

W15.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.3215.32

H15.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.9015.90

DIMENSIONS (IN)

-20 SST 3,7003,5004,1004,5006,5007,4006,7007,5009,00011,10012,60013,50014,80016,00018,00018,50019,20021,30022,00024,00027,000

+20 SST 5,0004,7305,5406,0808,7809,9909,05010,13012,15014,99017,01018,23019,85021,60024,30024,98025,92028,76029,70032,40036,450

LIQUID0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

SUCTION.625.625.625.625.875.875.875.875.875.875.875.8751.1251.1251.1251.1251.1251.1251.1251.1251.125

HG0.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.50.5

REFRIGERATION CONNECTIONS # OFHANGERS

444444444444666666666

CHARGEDATA LBSOF R-404A

111122222333333445555

MODEL

1 FAN

2 FAN

3 FAN

4 FAN

5 FAN

6 FAN


WATTS

100

200

300

400

500

600

AMPS

0.6

1.2

1.8

2.4

3.0

3.6

460/1/60SHADED POLE

WATTS

46

92

138

184

230

276

AMPS

0.8

1.6

2.4

3.2

4.0

4.8

115/1/60WATTS

45

90

135

180

225

270

AMPS

0.4

0.8

1.2

1.6

2.0

2.4

208-230/1/60EC MOTORS STANDARD


Electric Defrost Heater Data



Hot Gas Defrost Drain Pan Heater DataMODEL

1 FAN – 037, 035, 041, 045

2 FAN – 065, 067, 074, 075, 090

3 FAN – 111, 126, 135

4 FAN – 148, 160, 180

5 FAN – 185, 192

6 FAN – 213, 220, 240, 270

AMPS

2.6

5.2

7.0

8.7

9.6

12.2

WATTS

300

600

800

1000

1100

1400

AMPS

1.3

2.6

3.5

4.4

4.8

6.1

WATTS

300

600

800

1000

1100

1400

115/1/60 230/1/60

NOTE: Information required for complete product Model Key – Motor Type, Voltage Code, Heater Voltage Code.Refer to Model Key on page 2.

DESCRIPTION

LOW NOISE FAN BLADE

STD NON-METALLIC FAN GUARD

OPTIONAL STEEL FAN GUARD

MOTOR MOUNT

STANDARD PSC MOTOR (115V)

STANDARD PSC MOTOR (208-230V)

PART #

4780670

4914791

4915231

4911162

4410806

4410807

DESCRIPTION

STANDARD SHADED POLE MOTOR (460V)

EC MOTOR (115V)

EC MOTOR (208-230V)

DEFROST TERMINATION CONTROL

FAN DELAY CONTROL

PART #

E206446

E317007

E317008

E206100

E201818

DEFROST and DRAIN PAN HEATER E (EDL)

1 FAN

2 FAN

3 FAN

4 FAN

5 FAN

6 FAN

PART #

4850300

4850301

4850302

4850303

4850304

4850305

MODEL

1 FAN – 037, 035, 041, 045

2 FAN – 065, 067, 074, 075, 090

3 FAN – 111, 126, 135

4 FAN – 148, 160, 180

5 FAN – 185, 192

6 FAN – 213, 220, 240, 270

AMPS

2.9

5.8

8.7

11.6

14.5

17.4

WATTS

1000

2000

3000

4000

5000

6000

AMPS

4.3

8.7

13.0

17.4

21.7

26.1

WATTS

1000

2000

3000

4000

5000

6000

AMPS

2.2

4.4

6.6

8.8

11.0

13.2

WATTS

1000

2000

3000

4000

5000

6000

230/1/60 230/3/60 460/1/60


MODEL

1 FAN – 037, 035, 041, 045

2 FAN – 065, 067, 074, 075, 090

3 FAN – 111, 126, 135

4 FAN – 148, 160, 180

5 FAN – 185, 192

6 FAN – 213, 220, 240, 270

AMPS

2.6

5.2

7.0

8.7

9.6

12.2

WATTS

300

600

800

1000

1100

1400

AMPS

1.3

2.6

3.5

4.4

4.8

6.1

WATTS

300

600

800

1000

1100

1400

115/1/60 230/1/60

NOTE: Information required for complete product Model Key – Motor Type, Voltage Code, Heater Voltage Code.Refer to Model Key on page 2.

DESCRIPTION

LOW NOISE FAN BLADE

STD NON-METALLIC FAN GUARD

OPTIONAL STEEL FAN GUARD

MOTOR MOUNT

STANDARD PSC MOTOR (115V)

STANDARD PSC MOTOR (208-230V)

PART #

4780670

4914791

4915231

4911162

4410806

4410807

DESCRIPTION

STANDARD SHADED POLE MOTOR (460V)

EC MOTOR (115V)

EC MOTOR (208-230V)

DEFROST TERMINATION CONTROL

FAN DELAY CONTROL

PART #

E206446

E317007

E317008

E206100

E201818

DEFROST and DRAIN PAN HEATER E (EDL)

1 FAN

2 FAN

3 FAN

4 FAN

5 FAN

6 FAN

PART #

4850300

4850301

4850302

4850303

4850304

4850305

MODEL

1 FAN – 037, 035, 041, 045

2 FAN – 065, 067, 074, 075, 090

3 FAN – 111, 126, 135

4 FAN – 148, 160, 180

5 FAN – 185, 192

6 FAN – 213, 220, 240, 270

AMPS

2.9

5.8

8.7

11.6

14.5

17.4

WATTS

1000

2000

3000

4000

5000

6000

AMPS

4.3

8.7

13.0

17.4

21.7

26.1

WATTS

1000

2000

3000

4000

5000

6000

AMPS

2.2

4.4

6.6

8.8

11.0

13.2

WATTS

1000

2000

3000

4000

5000

6000

230/1/60 230/3/60 460/1/60



Dimensional Data



Typical System Wiring

4.28 6.85C

B

15.91 15.26

15.32 13.29 11.75

A

Removable Front Access Panel Electrical Connection End

0.750 F.P.T.Drain Connection

Removable Front Access Panel Refrigerant Connection End

Electrical KnockoutsBack and Top of Unit

Slotted Hanger Holes(0.5 x 0.75)

Distributor LiquidConnection

Air Flow

D

SuctionConnection

HN F BX PS 7 84 L1

L3

L2

HEATERSCOIL

L1

L2

HEATERSCOIL

L1

L2

HEATERSCOIL

L L21

Note: All dimensions in inches.

Allow 15” clearance between rearof coil and wall for maximum

efficiency and minimum noise level.

12” left side clearance allows foroptimum access to electrical

connections.

SIZE A B C D

1 FAN - 18.0 29.13 15.322 FAN - 36.0 47.13 15.323 FAN - 54.0 65.13 15.324 FAN 36.00 72.0 83.15 15.325 FAN 54.00 90.0 101.13 15.326 FAN 54.00 108.0 119.13 15.32

UNIT DIMENSIONS

Krack, a Hussmann Corporation brand 890 Remington BoulevardBolingbrook, Illinois 60440Ph: 630.629.7500

www.krack.com

Printed in U.S.A. ©2017 Krack, a Hussmann Corporation brand KRUC_005_092017

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