Carrier R-410A manual Unit Wiring

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		LEGEND
EQUIP	—	Equipment
GND	—	Ground
HC	—	Heating Contactor
HTR	—	Electric Heater
IFC	—	Indoor-Fan Contactor
IFM	—	Indoor-Fan Motor
TB	—	Terminal Block
T’STAT	—	Thermostat
		Factory Wiring
		Field Control Wiring

NOTE: Use copper conductors only.

Fig. 17 — Unit Wiring

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Image 19

Contents Installation, Start-Up Service Instructions PRE-INSTALLATION Unit Unit Weight Dimensions SizeDimensions Sizes 28 40RUA Physical Data, English Cooling Units 40RUA Physical Data, SI Cooling Units Steam Coil ‡ 40RUS Physical Data, English Chilled Water UnitsUnit 40RUS Chilled Water Coil40RUS Physical Data, SI Chilled Water Units U a a 2 5 a 6 0 a 0 a Overhead Suspension Accessory Unit Size Unit Sizes 28 Refrigerant and Chilled Water Piping Access Holes Face-Split Coil Suction and Liquid Line Piping Typical Fitting Requirements Factory-Installed Nozzle and Distributor DataUpper 8 Long Radius Elbow 8 Nipple, 19 1/ 4 L Fitting RequirementTypical 40RUS Chilled Water Piping Condensate Drains Fire Hazard Electrical Data, Alternate Motors Electrical Data, Standard MotorsUnit Wiring Unit Voltage Maximum Holding Fan Contactor Coil DataManufacturer Lubricant Lubricant DataFan Shaft Bearing Fan Pulley Alignment Align as follows Filter Removal/Replacement Fan Motor Data, Alternate Motor English Fan Motor Data, Standard Motor EnglishFan Motor Data, Alternate Motor SI Fan Motor Data, Standard Motor SIFAN Drive Standard Drive Data, 60 Hz EnglishMedium-Static Drive Data, 60 Hz English Motor DriveStandard Drive Data, 60 Hz SI High-Static Drive Data, 60 Hz EnglishHigh-Static Drive Data, 60 Hz SI Medium-Static Drive Data, 60 Hz SIAirflow External Static Pressure kPa 577 1042 646 716 785 100 150 200 250 300 2830 Unit Airflow Pressure Drop FACTORY-SUPPLIED Pressure Drop EnglishPreliminary Information Comp A1 Comp B1 Check Voltage Imbalance