Carrier 38AQS016 Specifications

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

10Step 3 — Complete Refrigerant Piping Con-nections —Refrigerant lines must be carefully designedand constructed to ensure equipment reliability and e

11Table 4 — Refrigerant Specialties Part Numbers*A filter drier is shipped loose with the 38AQ007.†Bushings required.**Factory Installed.PROVIDE SAFET

12Per local code requirements, provide an adequate fused dis-connect switch within sight of unit and out of reach of children.Provision for locking sw

13Table 7 — Electrical DataLEGEND*Units are suitable for use on electrical systems where voltage suppliedto the unit terminals is not below or above t

14Fig. 9 — Wiring Diagram — 38ARQ008,012 — Control TransformerFig. 10 — Wiring Diagram — 38ARQ008,012 230-3-60 UnitsW2GCRYOE12345678TO ELECTRICHEATERA

15LEGENDEQUIP — EquipmentGND — GroundHC — Heater ContactorIFC — Indoor Fan ContactorIFM — Indoor Fan MotorNEC — National Electrical Code (U.S.A.)TB —

16TB2HEAT PUMP “A”TB2HEAT PUMP “B”G2/(W)G3/(Y)COMGMED(HEAT)HI(COOL)(VALVE)FANLORY1Y2W1W2GCOWHTWHTC2IFCC1RY1Y2W1W2GCX40RMQHEAT ACCESSORYW1W2C40RMQ024TE

17Y2TB2HEAT PUMP A38AQS016RBW1A2Y1QCPX12TB2HEAT PUMP B38ARQ012G2/(W)G3/(Y)COMGMED(HEAT)HI(COOL)(VALVE)FANLOG2/(W)G3/(Y)COMGMED(HEAT)HI(COOL)(VALVE)FAN

18PRE-START-UPPreliminary Checks1. Check all air handler and other equipment auxiliary com-ponents. Consult manufacturer’s instructions regardingany o

198. Backseat (open) compressor vapor and discharge valves.Now close valves one turn to allow refrigerant pressure toreach test gages.Preliminary Char

21-1/238-1/21-1/2TOP FRONT33353338-1/2Line & LowVoltage WiringEntrances1-1/21-1/24-1/42-1/21-1/82-1/85-3/49-3/41-1/2BOTTOMREAR27243335ABDC7/84 PLA

20Compressor Lockout (CLO) Device — The Com-pressor lockout (CLO) device prevents the compressor fromstarting or running in a high pressure, loss-of-c

21Checking Heating Cycle Operation — Place ther-mostat selector switch at HEAT and reset the space setpoint above ambient temperature so that a call f

22Defrost is achieved by reversal from heating to coolingcycle and deenergization of outdoor-fan motors, allowing hotrefrigerant gas to defrost outdoo

235. Remove screws from compressor mounting plate.6. Remove or disconnect crankcase heater from compressorbase.7. Remove compressor from unit.8. On 38

2438AQS016 Cooling Mode Operation(See Fig. 22)1. High pressure, high temperature refrigerant vapor fromthe compressor flows through the reversing valv

25FILTERDRIERCOMPRCK VALVE BCK VALVE ACK VALVE CLLSVLIQUIDHOT GASGAS AND OILMUFFLERACCUMULATORREVERSINGVALVEREFRIGERANT MIXTUREFROM INDOORCOILTO INDOO

26Coil Cleaning and Maintenance — This section dis-cusses the cleaning and the maintenance of standard coils andE-Coated coils. Routine cleaning of co

274. Thoroughly apply Environmentally Sound Coil Cleanersolution to all coil surfaces including finned area, tubesheets, and coil headers. Hold garden

28TROUBLESHOOTING CHART — HEATING CYCLELEGENDCCH — Crankcase HeaterN.C. — Normally Closed

29TROUBLESHOOTING CHART — COOLING CYCLELEGENDCCH — Crankcase HeaterTXV — Thermostatic Expansion Valve

3Fig. 2 — 38ARQ008,012 Unit DimensionsUNITELECTRICALCHARACTERISTICSALUMINUM COIL COPPER COILSStd.UnitWt.CornerWCornerXCornerYCornerZCenter ofGravity[m

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

CL-1START-UP CHECKLISTI. PRELIMINARY INFORMATIONOUTDOOR UNIT: MODEL NO. ___________________________ SERIAL NO.: _______________________________INDOOR

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

4Fig. 3 — 38AQS016 Unit DimensionsNOTE: Recommended service clearances are asfollows (local codes or jurisdictions may prevail):Side (compressor) — 31

512 3 45 6 78 910111213141516171819202122232425262728LEGENDFig. 4 — Component Locations — 38AQS016 Shown1— Defrost Board/Time Guard II Control 11 — Po

6Table 1A — Physical Data — 38AQ007, 38ARQ008,012, 38AQS016 Units — 60 Hz English*Unit is factory supplied with holding charge only.†Typical operating

7Table 1B — Physical Data — 38AQ007, 38ARQ008,012, 38AQS016 Units — 60 Hz SI*Unit is factory supplied with holding charge only.†Typical operating char

8Table 1C — Physical Data — 38ARQ008,012 and 38AQS016 Units — 50 Hz English*Unit is factory supplied with holding charge only.†Typical operating charg

9Table 1D — Physical Data — 38ARQ008,012 and 38AQS016 Units — 50 Hz SI*Unit is factory supplied with holding charge only.†Typical operating charge wit