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UNIT START-UP CHECKLIST
I. PRELIMINARY INFORMATION:
MODEL NO.:
DATE: ______________
SERIAL NO: _____________________________________
TECHNICIAN: ___________________________________
II. PRE-START-UP (insert check mark in box as each item is completed):
VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE
VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS
VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS
VERIFY THAT FLUE HOOD IS INSTALLED
CHECK REFRIGERANT PIPING FOR INDICATIONS OF LEAKS; INVESTIGATE AND REPAIR IF NECESSARY
CHECK GAS PIPING FOR LEAKS
CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS
CHECK THAT RETURN (INDOOR) AIR FILTERS ARE CLEAN AND IN PLACE
VERIFY THAT UNIT INSTALLATION IS LEVEL
CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS
CHECK TO ENSURE THAT ELECTRICAL WIRING IS NOT IN CONTACT WITH REFRIGERANT LINES OR
SHARP METAL EDGES
VERIFY PULLEY ALIGNMENT AND BELT TENSION PER INSTALLATION INSTRUCTIONS
III. START-UP (REFER TO UNIT SERVICE/MAINTENANCE MANUAL FOR INSTRUCTIONS)
ELECTRICAL
SUPPLY VOLTAGE L1-L2 L2-L3 L3-L1
CIRCUIT 1 COMPRESSOR AMPS L1 L2 L2
CIRCUIT 2 COMPRESSOR AMPS L1 L2 L2
INDOOR FAN AMPS L1 L2 L2
OUTDOOR FAN AMPS NO. 1 NO. 2
TEMPERATURES
OUTDOOR-AIR TEMPERATURE DB WB
RETURN-AIR TEMPERATURE DB WB
COOLING SUPPLY AIR DB WB
GAS HEAT SUPPLY AIR DB
PRESSURES
GAS INLET PRESSURE IN. WG
GAS MANIFOLD PRESSURE IN. WG (LOW FIRE) IN. WG (HI FIRE)
REFRIGERANT SUCTION, CIRCUIT 1 PSIG F
REFRIGERANT SUCTION, CIRCUIT 2 PSIG F
REFRIGERANT DISCHARGE, CIRCUIT 1 PSIG F
REFRIGERANT DISCHARGE, CIRCUIT 2 PSIG F
VERIFY THAT 3−PHASE FAN MOTOR AND BLOWER ARE ROTATING IN CORRECT DIRECTION
VERIFY THAT 3−PHASE SCROLL COMPRESSOR IS ROTATING IN CORRECT DIRECTION
VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
SET ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO MATCH JOB REQUIREMENTS
(IF EQUIPPED)
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