Carrier 50CR installation instructions START-UP Checklist

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50CR

START-UP CHECKLIST

(Remove and Store in Job File)

I. Preliminary Information

MODEL NO.:_________________________________

SERIAL NO.:__________________________________

DATE:_______________________________________

TECHNICIAN:_________________________________

II. PRE-START-UP (Insert checkmark in box as each item is completed)

( ) VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

( ) REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS

( ) CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

( ) CHECK GAS PIPING FOR LEAKS (WHERE APPLICABLE)

( ) CHECK THAT INDOOR (EVAPORATOR) AIR FILTER IS CLEAN AND IN PLACE

( ) VERIFY THAT UNIT INSTALLATION IS LEVEL

( ) CHECK FAN WHEEL, AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS ( ) MAKE SURE THAT - (If Applicable) ON 060 SIZE PURON HEATPUMP ONLY, THE TWO WIRE TIES FASTEN

TO THE OUTDOOR COILS AND REVERSING VALVE/ACCUMULATOR HAVE BEEN REMOVED

III.START-UP ELECTRICAL

SUPPLY VOLTAGE __________________________________

COMPRESSOR AMPS_________________________________

INDOOR (EVAPORATOR) FAN AMPS___________

TEMPERATURES

OUTDOOR (CONDENSER) AIR TEMPERATURE ___________DB RETURN-AIR TEMPERATURE ___________DB ___________WB COOLING SUPPLY AIR ___________DB ___________WB HEAT PUMP SUPPLY AIR ___________

ELECTRIC HEAT SUPPLY AIR ___________

PRESSURES

REFRIGERANT SUCTION ___________PSIG SUCTION LINE TEMP*___________

REFRIGERANT DISCHARGE ___________PSIG DISCHARGE TEMP†___________

( ) VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

*Measured at suction inlet to compressor †Measured at liquid line leaving condenser.

A05306

Copyright 2006 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231

Printed in U.S.A.

Edition Date: 03/06

Catalog No: 50CR--- 1SI

 

 

 

 

 

 

 

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Replaces: New

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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 Provide for Condensate Disposal Select and Install DuctworkElectrical Operation Hazard 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 ConnectionsUnit Start-Up PRE-START-UP FIRE, EXPLOSION, Electrical Shock HazardSTART-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 SelectionCheck for Refrigerant Leaks Start-Up AdjustmentsSequence of Operation Typical Heat Pump Operation, Cooling Mode Defrost Control Electric Heat Pressure Drop Table Small Cabinet Unit Operation Hazard MaintenancePersonal Injury and Unit Damage Hazard Air Filter Indoor Blower and MotorOutdoor Coil, Indoor Coil, and Condensate Drain Pan Outdoor FanMetering Devices-TXV & Accurater Piston Pressure SwitchesIndoor Airflow Personal INJURY, Unit Operation Hazard High-Pressure SwitchEXPLOSION, FIRE, Electrical Shock 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
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