Carrier 50PD05 Operating And Service Instructions page 105

UNIT START-UP CHECKLIST
MODEL NO.: SERIAL NO:
DATE: TECHNICIAN:
I. PRE-START-UP:
[] VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
[] VERIFY INSTALLATION OF OUTDOOR AIR HOOD
[] VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD (48PD ONLY)
[] VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS
[] VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
[] VERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE (48PD ONLY)
[] CHECK GAS PIPING FOR LEAKS (48PD ONLY)
[] CHECK THAT INDOOR-AIR FILTERS ARE CLEAN AND IN PLACE
[] CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE
[] VERIFY THAT UNIT IS LEVEL
[] CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND VERIFY SETSCREW IS TIGHT
[] VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
[] VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION
[] VERIFY INSTALLATION OF SPACE SENSOR
[] VERIFY CONFIGURATION VALUES FOR ELECTRONIC CONTROLS (REFER TO CONTROL SET UP CHECKLIST)
[] VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS
[] VERIFY THAT THE VFD IS IN AUTO MODE
II. START-UP
ELECTRICAL
SUPPLY VOLTAGE L1-L2 L2-L3 L3-L1
COMPRESSOR AMP_-COMPRESSOR A1
--COMPRESSOR B1
--COMPRESSOR C1
ELECTRIC HEAT AMPS (IF EQUIPPED)
SUPPLY FAN AMPS
TEMPERATURES
OUTDOOR-AIR TEMPERATURE
RETURN-AIR TEMPERATURE
COOLING SUPPLY AIR
GAS HEAT SUPPLY AIR (48PG)
ELECTRIC HEAT SUPPLY AIR (50PG)
PRESSURES
GAS INLET PRESSURE
GAS MANIFOLD PRESSURE
REFRIGERANT SUCTION
REFRIGERANT DISCHARGE
L1 L2 L3
L1 L2 L3
L1 L2 L3
L1 L2 L3
L1 L2 L3
F DB (Dry Bulb)
FDB
F
F
F
IN. WG
STAGE NO. 1 IN. WG
CIRCUIT A PSIG
CIRCUIT B PSIG
CIRCUIT C PSIG
CIRCUIT A PSIG
CIRCUIT B PSIG
F WB (Wet Bulb)
STAGE NO. 2
CIRCUIT C PSIG
[] VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
[] ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS
IN. WG
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