Carrier 50CR installation instructions Unit Leveling Tolerances

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50CR

A

C

MAXIMUM ALLOWABLE

DIFFERENCE (in.)

B

A-B	B-C	A-C

1/4	1/4	1/4

C99065

Fig. 3 - Unit Leveling Tolerances

OPTIONAL	OPTIONAL
RETURN	SUPPLY
AIR	AIR
OPENING	OPENING

2"

EVAP. COIL

COND. COIL

C99096

Fig. 4 - Slab Mounting Detail

											A06114
				Fig. 5 - Corner Weights (Lbs.)

	CORNER WEIGHTS (SMALL CABINET)						CORNER WEIGHTS (LARGE CABINET)

	Unit	024	030		036		Unit	042	048		060
Model 50CR	Total Weight	349	349		373		Total Weight	438	463		499
Model 50CR	Corner Weight 1	70	70		75	Model 50CR	Corner Weight 1	88	98		107
	Corner Weight 2	54	54		58		Corner Weight 2	68	61		70
	Corner Weight 3	84	84		90		Corner Weight 3	106	127		136
	Corner Weight 4	141	141		150		Corner Weight 4	177	177		186

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Contents Installation Instructions Table of ContentsSafety Considerations Electrical Shock HazardEquipment Damage Hazard IntroductionRoof Curb for Small Cabinet Roof Curb for Large Cabinet Unit Leveling Tolerances 50CR024-036 Unit Dimensions 50CR042-060 Unit Dimensions Rig and Place Unit InspectionUnit Falling Hazard Property Damage HazardRigging Bracket Under Unit Rain Lip Electrical Operation Hazard Select and Install DuctworkProvide for Condensate Disposal Typical Installation Physical Data Unit 50CRRouting Power Leads Into Unit Connecting Ground Lead to Ground ScrewRouting Control Power Wires HIGH-VOLTAGE ConnectionsElectrical Data-50CR Electrical Data Legend Wiring Schematics-50CR Single Phase Wiring Schematics-50CR Three Phase Accessory Installation Line Power ConnectionsSTART-UP PRE-START-UP FIRE, EXPLOSION, Electrical Shock HazardUnit Start-Up Status Code 45, Control Board Test Fault Status Code 37, Heater Output Sensed on When not EnergizedStatus Code 44, Motor Communication Fault Verify Motor Winding SectionStatus Code 36, Heater Output not Sensed When Energized Status Code 41, Blower Motor FaultStatus Code 16, System Communication Fault Status Code 25, Invalid Motor / Model SelectionSequence of Operation Start-Up AdjustmentsCheck for Refrigerant Leaks Typical Heat Pump Operation, Cooling Mode Defrost Control Electric Heat Pressure Drop Table Small Cabinet Personal Injury and Unit Damage Hazard MaintenanceUnit Operation Hazard Air Filter Indoor Blower and MotorOutdoor Coil, Indoor Coil, and Condensate Drain Pan Outdoor FanIndoor Airflow Pressure SwitchesMetering Devices-TXV & Accurater Piston EXPLOSION, FIRE, Electrical Shock Hazard High-Pressure SwitchPersonal INJURY, Unit Operation Hazard LOSS-OF-CHARGE Switch TroubleshootingSTART-UP Checklist System InformationObserve all warnings, cautions, and bold text Troubleshooting Chart Troubleshooting Chart Cont’d Head pressure too lowSTART-UP Checklist