Carrier 50HC Series Service And Maintenance Instructions

Also see for 50HC Series: Installation instructions Installation instructions

124UNIT START-UP CHECKLISTI. PRELIMINARY INFORMATION:MODEL NO.:DATE: ______________SERIAL NO: _____________________________________TECHNICIAN: ___________________________________BUILDING LOCATION:____________________________II. PRE-START-UP (insert check mark in box as each item is completed):j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT. INSPECT UNIT FOR SHIPPING ANDHANDLING DAMAGE.j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS. ENSURE REDCENTER PLUG IS IN PLACE IF NOT BEING USED.j VERIFY THAT FLUE HOOD IS INSTALLED.j CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESSj CHECK TO ENSURE NO WIRES ARE TOUCHING REFRIGERANT TUBING OR SHARP EDGESj CHECK GAS PIPING FOR LEAKSj CHECK THAT RETURN--AIR FILTER IS CLEAN AND IN PLACEj VERIFY THAT UNIT INSTALLATION IS LEVELj CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND VERIFY SETSCREW IS TIGHTj VERIFY PULLEY ALIGNMENT AND BELT TENSION ARE CORRECTIII. START-UPELECTRICALSUPPLY VOLTAGE L1-L2 L2-L3 L3-L1COMPRESSOR AMPS L1 L2 L2INDOOR FAN AMPS L1 L2 L2TEMPERATURESOUTDOOR-AIR TEMPERATURE DB WBRETURN-AIR TEMPERATURE DB WBCOOLING SUPPLY AIR DB WBGAS HEAT SUPPLY AIR DBPRESSURESGAS INLET PRESSURE IN. WGGAS MANIFOLD PRESSURE IN. WG (LOW FIRE) IN. WG (HI FIRE)REFRIGERANT SUCTION PSIG TEMP _FREFRIGERANT DISCHARGE PSIG TEMP _Fj VERIFY REFRIGERANT CHARGE USING CHARGING CHARTSj VERIFY THAT 3--PHASE SCROLL COMPRESSOR IS ROTATING IN CORRECT DIRECTIONj VERIFY SMOKE DETECTOR PROVIDES UNIT SHUTDOWN UTILIZING MAGNET TEST.Copyright 2016 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 09/16Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.Catalog No: 50HC ---4---14---01SMReplaces: 50HC--- 01SM50HC

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