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Carrier 38AE012, Installation, Start-Up And Service Instructions Manual

The Carrier 38AE012 is a powerful air conditioner designed for residential and commercial use. To ensure proper installation and maintenance, it is important to refer to the Installation, Start-Up And Service Instructions Manual. You can download this manual for free from our website manualshive.com to keep your unit running smoothly.

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Fig.

1

1

—

38AE016

Charging

Chart

12

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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