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Table 5A — Electrical Data (3 Ph/60 Hz)

UNIT

UNIT

COMPR

FAN MOTORS (Single Phase)

Model

Volts

MCA

ICF

MOCP
(Fuse)

RLA

LRA

Total
Fans

FLA (ea)

Fan No.

kW

Nameplate

Supplied*

Min

Max

1

2

38AE012

501

208-230

187

253

62.5

178

100

43.6

170

2

4.3

3.7

1.41

201

380

342

418

35.0

101

50

24.0

93

4.3

3.7

601

460

414

528

29.1

81

40

20.0

77

2.3

1.9

101

575

518

660

22.8

67

35

15.7

62

1.8

1.8

38AE014

501

208-230

187

253

69.3

199

100

49.3

191

2

4.3

3.7

1.41

201

380

342

418

38.0

112

60

26.5

104

4.3

3.7

601

460

414

528

31.7

84

50

22.1

80

2.3

1.9

101

575

518

660

25.6

73

40

17.9

69

1.8

1.8

38AE016

501

208-230

187

253

87.5

274

125

63.6

266

2

4.3

3.7

1.41

201

380

342

418

49.3

153

80

36.0

145

4.3

3.7

601

460

414

528

40.7

124

60

29.3

120

2.3

1.9

101

575

518

660

33.0

100

50

23.8

96

1.8

1.8

38AKS024

501

208-230

187

254

93.4

353

150

67.9

345

2

4.3

3.7

1.41

201

380

342

418

49.7

199

80

34.6

191

4.3

3.7

601

460

414

508

48.1

177

80

34.7

173

2.3

1.9

101

575

518

632

40.1

124

60

28.8

120

1.8

1.8

Table 5B — Electrical Data (3 Ph/50 Hz)

UNIT

UNIT

COMPR

FAN MOTORS 230 v (Single Phase)

Model

Volts

MCA

ICF

MOCP
(Fuse)

RLA

LRA

Total
Fans

FLA (ea)

Fan No.

kW

Nameplate

Supplied*

Min

Max

1

2

38AE012

803

230

198

264

47.5

134

75

32.9

128

2

2.9

3.5

1.20

903

400

342

457

31.4

80

50

20.0

74

38AE014

803

230

198

264

51.0

149

75

35.7

143

2

2.9

3.5

1.20

903

400

342

457

34.0

89

50

22.1

83

38AE016

803

230

198

264

66.9

206

100

47.9

200

2

2.9

3.5

1.20

903

400

342

457

43.0

121

60

29.3

115

38AKS024

803

230

198

254

91.8

213

150

67.9

207

2

2.9

3.5

1.20

303

346

311

380

51.5

121

80

33.3

115

903

400

342

440

50.2

179

80

34.6

173

LEGEND

FLA

— Full Load Amps (Fan Motors)

ICF

— Maximum Instantaneous Current Flow during start-up (LRA of compressor plus total FLA of fan motors)

kW

— Total Fan Motor Input (kilowatts)

LRA

— Locked Rotor Amps

MCA

— Minimum Circuit Amps per NEC (U.S.A.), Section 430-24

MOCP — Maximum Overcurrent Protection (amps)
RLA

— Rated Load Amps (Compressor)

*Units are suitable for use on electrical systems where voltage supplied to the unit terminals is not below or above

the listed limits.

NOTES:
1. The MCA and MOCP values are calculated in accordance with the National Electrical Code (NEC) article 440

(U.S.A. standard).

2. Motor RLA and LRA values are established in accordance with Underwriters’ Laboratories (UL) Standard 1995

(U.S.A. standard).

LEGEND

C

— Compressor Contactor

R

Relay

HD

— Heating Device

Factory Wiring

IFC

— Indoor-Fan Contactor

Field Wiring

LLSV — Liquid Line Solenoid Valve
NOTES:
1. Combination LLSV plus IFC va should not exceed 30 va.
2. Do not exceed 5 va (24 vac) per coil.
3. If va values shown in Notes 1 and 2 must be exceeded, use

accessory relay transformer package 38AE900001.

Fig. 7 — Remote Thermostat Wiring

8

Summary of Contents for 38AE012

Page 1: ...ety glasses and work gloves Keep quenching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment ELECTRIC SHOCK HAZARD Separate power sources main an...

Page 2: ...8AE012 13 8 in 35 38AE014 016 15 8 in 41 38AKS024 C 7 8 in 22 2 diameter knockout for control power D 2 in 50 8 diameter knockout for unit power NOTES 1 SERVICE AREAS Allow 3 ft 914 on both sides and...

Page 3: ...Compressor 2 No 1 Fan 6 Terminal Block 1 Unit Power 10 Low Pressure Switch 3 High Pressure Switch 7 Terminal Block 2 Control Power 11 Hot Gas Bypass Piping Stub 3 8 in ODM 4 Circuit Breakers 8 Wraparo...

Page 4: ...temperatures of 125 F for 38AE012 123 F for 38AE014 and 130 F for 38AE016 and 38AKS024 Table 1B Physical Data SI 60 Hz UNIT 38AE012 38AE014 38AE016 38AKS024 OPERATING WEIGHT kg 333 354 359 408 REFRIG...

Page 5: ...emperatures of 125 F for 38AE012 123 F for 38AE014 and 130 F for 38AE016 and 38AKS024 Table 1D Physical Data SI 50 Hz UNIT 38AE012 38AE014 38AE016 38AKS024 OPERATING WEIGHT kg 333 354 359 408 REFRIGER...

Page 6: ...and also refer to Part 3 of Carrier System Design Manual for design details and line sizing Refer to indoor installation instructions for addi tional information Table 3 Liquid Line Data UNIT MAXIMUM...

Page 7: ...ugh piping while brazing to prevent formation of copper oxide Install field supplied thermostatic expansion valve s in in door section If 2 thermostatic expansion valves are installed for 2 step cooli...

Page 8: ...80 50 20 0 74 38AE014 803 230 198 264 51 0 149 75 35 7 143 2 2 9 3 5 1 20 903 400 342 457 34 0 89 50 22 1 83 38AE016 803 230 198 264 66 9 206 100 47 9 200 2 2 9 3 5 1 20 903 400 342 457 43 0 121 60 2...

Page 9: ...ctrical power source must agree with unit nameplate rating 5 All service valves must be open 6 Crankcase heater must be firmly locked into the com pressor crankcase START UP To Start Unit Set thermost...

Page 10: ...Fig 9 38AE012 and 38AKS024 Charging Chart 10...

Page 11: ...Fig 10 38AE014 Charging Chart 11...

Page 12: ...Fig 11 38AE016 Charging Chart 12...

Page 13: ...ers and provides capacity control Un loaders are factory set see Tables 1A 1D but can be field adjusted as described in the 2 following sections CONTROL SET POINT cylinder load point is adjustable fro...

Page 14: ...r as required by location or outdoor air conditions Inspect coil monthly and clean as required Fins are not continuous through coil sections dirt and debris may pass through first section become trapp...

Page 15: ...rvice literature Contactor Closed 1 Compressor leads loose 1 Check connections 2 Motor windings open 2 See compressor service literature 3 Single phasing 3 Check for blown fuse Check for loose connect...

Page 16: ...control 3 Air in system 3 Purge and evacuate system 4 Partially plugged expansion valve or filter drier 4 Clean or replace SYSTEM IS NOISY 1 Piping vibration 1 Support piping as required 2 Compressor...

Page 17: ......

Page 18: ...l programs include a video cassette and or slides and a companion booklet Use these for self teaching or to conduct full training sessions For a free Service Training Material Catalog STM call 1 800 9...

Page 19: ...ONFIRM PROPER DRAINAGE Y N ARE PROPER AIR FILTERS IN PLACE Y N HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT Y N DO THE FAN BELTS HAVE PROPER TENSION Y N HAS CORRECT FAN ROTATION BEEN C...

Page 20: ...R DB dry bulb TEMP EVAP ENTERING AIR WB wet bulb TEMP EVAP LEAVING AIR DB TEMP EVAP LEAVING AIR WB TEMP COMPRESSOR AMPS L1 L2 L3 CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES ARE THE SIGHT GLASSES SHOW...

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