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Carrier 38AH044-084 specifications Unit

Models: 38AH044-084

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Table 11 Ð Electrical Data Ð 50/60 Hz (Units 38AH094,104)

UNIT	VOLTAGE	NAMEPLATE	SUPPLY									COMPRESSOR²
UNIT	VOLTAGE	NAMEPLATE	VOLTAGE*		MCA	MOCP	ICF	A1				A2		B1			B2
38AH	DESIGNATION	V-Ph-Hz	VOLTAGE*		MCA	MOCP	ICF	A1				A2		B1			B2
			Min	Max				RLA		LRA	RLA		LRA	RLA		LRA	RLA		LRA
	500	208/230-3-60	187	253	398.5	500	897	106.4		506	67.9		345	147.7		690	Ð		Ð
	600	460-3-60	414	506	183.1	225	443	46.8		253	34.6		173	65.4		345	Ð		Ð
094	100	575-3-60	518	633	160.9	200	366	40.4		176	28.8		120	57.1		276	Ð		Ð
094	200	380-3-60	342	418	209.1	250	493	52.6		280	34.6		191	78.8		382	Ð		Ð
	200	380-3-60	342	418	209.1	250	493	52.6		280	34.6		191	78.8		382	Ð		Ð
	900	380/415-3-50	342	440	183.6	225	444	46.8		280	34.6		173	65.4		345	Ð		Ð
	300 (PW)	346-3-50	325	380	212.9	250	343	53.8		168	33.3		115	79.5		229	Ð		Ð
	500	208/230-3-60	187	253	399.4	450	722	89.7		446	67.9		345	89.7		446	89.7		446
	600	460-3-60	414	506	196.3	225	361	43.6		223	34.6		173	43.6		223	43.6		223
104	100	575-3-60	518	633	168.0	200	286	36.5		164	28.8		120	36.5		164	36.5		164
104	200	380-3-60	342	418	205.9	250	396	45.5		247	34.6		191	45.5		247	45.5		247
	200	380-3-60	342	418	205.9	250	396	45.5		247	34.6		191	45.5		247	45.5		247
	900	380/415-3-50	342	440	196.7	225	363	43.6		223	34.6		173	43.6		223	43.6		223
	300 (PW)	346-3-50	325	380	205.6	250	298	44.9		148	33.3		229	44.9		148	49.9		148

LEGEND

ÐÐ Not Applicable

FLA	Ð Full Load Amps
ICF	Ð Maximum Instantaneous Current Flow During Starting.
	(The point in the starting sequence where the sum of
	the LRA for the starting compressors, plus the total RLA
	for all running compressors, plus the FLA for all running
	fan motors is maximum.)
kcmil	Ð Thousand Circular Mils
LRA	Ð Locked Rotor Amps
MCA	Ð Minimum Circuit Amps (used for sizing; complies with
	National Electrical Code [NEC] [U.S.A. Standard],

section 430-24).

MOCP Ð Maximum Overcurrent Protection (used for sizing disconnect; complies with NEC [U.S.A. Standard], section 440-22).

RLA Ð Rated Load Amps

*Units are suitable for use on electrical systems where voltage sup- plied to unit terminals is within listed minimum to maximum limits.

²All compressors are across-the-line start only except 346-V, 3-ph, 50-Hz units.

NOTES:

1.Maximum allowable phase imbalance: voltage - 2%; amps - 10%.

2.Maximum incoming wire size for terminal block is 500 kcmil.

3.For units 38AH094 and 104 compressor model numbers, see table below:

UNIT		094					104
38AH		094					104
38AH
CKT	A1	A2	B1	A1		A2	B1	B2
MODEL	−275	−250	−299	−265		−250	−265	−265
NO. 06E	−275	−250	−299	−265		−250	−265	−265
NO. 06E

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Carrier 38AH044-084 specifications Unit

Contents

SAFETY CONSIDERATIONS CONTENTSINSTALLATION Step 5 Ð Install AccessoriesTable 1 Ð Rigging Center of Gravity Ð in. mm Table 2B Ð Operational Corner Weights with Table 2A Ð Operational Corner Weights withStep 2 Ð Check Compressor Mounting Refrigerant Charge Approximate Ð LbChart 1, Field Power Supply Connections Fig. 1 Ð Dimensions Ð Units 38AH044,054,064Chart 1, Field Power Supply Connections Fig. 2 Ð Dimensions Ð Units 38AH074,084UNIT Fig. 3 Ð Dimensions Ð Unit 38AH094VOLTAGE DIAMETER Ð in. mmUNIT Fig. 4 Ð Dimensions Ð Unit 38AH104VOLTAGE DIAMETER Ð in. mmUNIT Fig. 5 Ð Dimensions Ð Unit 38AH124VOLTAGE DIAMETERUNIT Fig. 6 Ð Dimensions Ð Unit 38AH134VOLTAGE DIAMETER Ð38AH 38AH and Sheet Metal Trim Unit 38AH134 Shown and Sheet Metal Trim KitRIG HERE RIG HERE RIG HEREFig. 9A Ð Typical Module with Cover Fig. 9B Ð Field-InstalledSuction Line LoopPanels Removed Fig. 10 Ð Outer View, Compressor MountingTable 5 Ð Liquid Lift Step 3 Ð Make Refrigerant Piping ConnectionsFig. 13 Ð Double Suction Riser Construction 38AH054-104 Dual-CircuitUnits Ð 60 Hz 38AH054-104 Dual-CircuitUnits Ð 50 Hz Modular Units Dual-CircuitÐ 60 Hz Optional Single-CircuitUnits and 38AH124,134Modular Units Dual-CircuitÐ 60 Hz Optional Single-CircuitUnits and 38AH124,134 Modular Units Dual Circuit Ð 50 HzModular Units Dual Circuit Ð 50 Hz Optional Single-CircuitUnits and 38AH094-134UnitsLEGEND TXV Ð Thermostatic Expansion Valve TYP Ð Typical NOTE Lower split rst on, last offConnect Tubing from Evaporator to Unit Fig. 16 Ð Units 38AH124 and 134 with InstalledPiping Kit Fig. 19 Ð Fully Assembled Piping and Trim Kit Kit RailsUnit 38AH134 Shown Cover Unit 38AH134 ShownStep 4 Ð Make Electrical Connections OPTIONAL SINGLE-CIRCUITUNIT UNIT UNIT Table 14 Ð Fan Motor Electrical Data Page Field-supplied 38AH LENGTH Ð FU Ð Fuse FU Ð Fuse Field-supplied NOTES Field-supplied NOTES Field-supplied NOTES PRE-START-UP Step 5 Ð Install AccessoriesSystem Check Preliminary Checks START-UPFig. 29 Ð 06E Compressors, Typical Adjust Refrigerant Charge If the initial check shows too much oil too high in the sight glass remove oil to proper level. See Preliminary Oil Charge for proper procedure for adding and removing oil Fig. 30 Ð Charging Chart Ð Unit 38AH044 50/60 Hz Ð Dual Circuit Fig. 32 Ð Charging Chart Ð Unit 38AH064 50/60 Hz Ð Dual Circuit Charging Chart Ð Unit 38AH054 Charging Chart Ð Unit 38AH044Fig. 35 Ð Fig. 36 ÐCharging Chart Ð Unit 38AH074 Charging Chart Ð Unit 38AH064Fig. 39 Ð Charging Chart Ð Unit 38AH084 Fig. 37 ÐFig. 41 Ð Charging Chart Ð Unit 38AH104 50/60 Hz Fig. 40 Ð Charging Chart Ð Unit 38AH094 50/60 HzFig. 42 Ð Charging Chart Ð Modules 124A, 124B Fig. 43 Ð Charging Chart Ð Module 134BRefrigerant Circuit SERVICECompressor Motor Protection Table 17 Ð Fan Cycling Control Ð Psig kPagFig. 44 Ð Unloader Location and Settings Table 18 Ð Pressure Switch Settings Psig kPagCapacity Control Control for 38AH044-084 Dual-CircuitUnits Table 19A Ð One 2-StageThermostat CapacityTable 20 Ð One 2-StageThermostat Capacity Control for 38AH094-134UnitsFig. 45 Ð Accumulator and Fusible Plug CONTROLFig. 46 Ð Pressure-ActuatedCapacity Control Valve Fig. 47 Ð Timer Cycle Fig. 48 Ð Unit Control Box Fig. 49 Ð Condenser Fan AdjustmentCompressor Replacement Ð Perform the following TROUBLESHOOTING TROUBLESHOOTING cont A. Preliminary Information START-UPCHECKLISTB. Pre-Start-Up OUTDOOR UNITC. Start-Up