Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 38AH044-084 Kit Rails, Ð Fully Assembled Piping and Trim Kit, Unit 38AH134 Shown

Models: 38AH044-084

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Kit Rails

MODULE	CORNER	SCREWS (2)	CORNER	TOP	MODULE
124B	POST (4 PER	FOR	POST	COVER	124A
OR 134B	MODULE)	MOUNTING	(4 PER	FLANGE	OR 134A
		SIDE PANEL	MODULE)

BASE RAIL
BOLTS (6)	CORNER
CORNER POST	POST	FACTORY-SUPPLIED
		FACTORY-SUPPLIED
Fig. 17 Ð Units 38AH124 and 134 with Installed Trim		SELF-DRILLING
Fig. 17 Ð Units 38AH124 and 134 with Installed Trim		SCREWS (4 PER
Kit Rails		CORNER POST)

24-in. (610-mm)

SERVICE WAY

Fig. 19 Ð Fully Assembled Piping and Trim Kit

(Unit 38AH134 Shown)

	SCREWS B TOP COVER,		TOP COVER, SCREWS A
		VERTICAL	HORIZONTAL
		PIECE	PIECE
	END COVER	VERTICAL
	END COVER	TOP COVER
	FLANGES	TOP COVER
	FLANGES	FLANGE	END COVER
		FLANGE	END COVER

(HIDDEN)

CORNER	MODULE 124B	24-in. (610-mm)	CORNER	MODULE 124A
POST	OR 134B	SERVICE WAY	POST	OR 134A

Fig. 18 Ð Units 38AH124 and 134 with Installed Top

Cover (Unit 38AH134 Shown)

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Carrier 38AH044-084 specifications Kit Rails, Ð Fully Assembled Piping and Trim Kit, Cover Unit 38AH134 Shown

Contents

INSTALLATION CONTENTSSAFETY CONSIDERATIONS Step 5 Ð Install AccessoriesTable 1 Ð Rigging Center of Gravity Ð in. mm Step 2 Ð Check Compressor Mounting Table 2A Ð Operational Corner Weights withTable 2B Ð Operational Corner Weights with Refrigerant Charge Approximate Ð LbFig. 1 Ð Dimensions Ð Units 38AH044,054,064 Chart 1, Field Power Supply ConnectionsFig. 2 Ð Dimensions Ð Units 38AH074,084 Chart 1, Field Power Supply ConnectionsVOLTAGE Fig. 3 Ð Dimensions Ð Unit 38AH094UNIT DIAMETER Ð in. mmVOLTAGE Fig. 4 Ð Dimensions Ð Unit 38AH104UNIT DIAMETER Ð in. mmVOLTAGE Fig. 5 Ð Dimensions Ð Unit 38AH124UNIT DIAMETERVOLTAGE Fig. 6 Ð Dimensions Ð Unit 38AH134UNIT DIAMETER Ð38AH 38AH RIG HERE and Sheet Metal Trim Kitand Sheet Metal Trim Unit 38AH134 Shown RIG HERE RIG HEREPanels Removed Fig. 9B Ð Field-InstalledSuction Line LoopFig. 9A Ð Typical Module with Cover Fig. 10 Ð Outer View, Compressor MountingStep 3 Ð Make Refrigerant Piping Connections Table 5 Ð Liquid LiftFig. 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 LEGEND TXV Ð Thermostatic Expansion Valve and 38AH094-134UnitsOptional Single-CircuitUnits 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 Unit 38AH134 Shown Kit RailsFig. 19 Ð Fully Assembled Piping and Trim Kit 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 Fig. 35 Ð Charging Chart Ð Unit 38AH044Charging Chart Ð Unit 38AH054 Fig. 36 ÐFig. 39 Ð Charging Chart Ð Unit 38AH084 Charging Chart Ð Unit 38AH064Charging Chart Ð Unit 38AH074 Fig. 37 ÐFig. 42 Ð Charging Chart Ð Modules 124A, 124B Fig. 40 Ð Charging Chart Ð Unit 38AH094 50/60 HzFig. 41 Ð Charging Chart Ð Unit 38AH104 50/60 Hz Fig. 43 Ð Charging Chart Ð Module 134BCompressor Motor Protection SERVICERefrigerant Circuit Table 17 Ð Fan Cycling Control Ð Psig kPagFig. 44 Ð Unloader Location and Settings Table 18 Ð Pressure Switch Settings Psig kPagCapacity Control Table 20 Ð One 2-StageThermostat Capacity Table 19A Ð One 2-StageThermostat CapacityControl for 38AH044-084 Dual-CircuitUnits Control for 38AH094-134UnitsFig. 45 Ð Accumulator and Fusible Plug CONTROLFig. 46 Ð Pressure-ActuatedCapacity Control Valve Fig. 47 Ð Timer Cycle Fig. 49 Ð Condenser Fan Adjustment Fig. 48 Ð Unit Control BoxCompressor Replacement Ð Perform the following TROUBLESHOOTING TROUBLESHOOTING cont B. Pre-Start-Up START-UPCHECKLISTA. Preliminary Information OUTDOOR UNITC. Start-Up