Carrier 48/50PD05 - Manual (Page 105)

105
UNIT START-UP CHECKLIST
MODEL NO.:
DATE:
______________
SERIAL NO: _____________________________________
TECHNICIAN: ___________________________________
I. PRE-START-UP:
j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
j VERIFY INSTALLATION OF OUTDOOR AIR HOOD
j VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD (48PD ONLY)
j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS
j VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
j VERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE (48PD ONLY)
j CHECK GAS PIPING FOR LEAKS (48PD ONLY)
j CHECK THAT INDOOR--AIR FILTERS ARE CLEAN AND IN PLACE
j CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE
j VERIFY THAT UNIT IS LEVEL
j CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND VERIFY SETSCREW IS TIGHT
j VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
j VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION
j VERIFY INSTALLATION OF SPACE SENSOR
j VERIFY CONFIGURATION VALUES FOR ELECTRONIC CONTROLS (REFER TO CONTROL SET UP CHECKLIST)
j VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS
j VERIFY THAT THE VFD IS IN AUTO MODE
II. START-UP
ELECTRICAL
SUPPLY VOLTAGE L1--L2 L2--L3 L3--L1
COMPRESSOR AMPS—COMPRESSOR A1 L1 L2 L3
—COMPRESSOR B1 L1 L2 L3
—COMPRESSOR C1 L1 L2 L3
ELECTRIC HEAT AMPS (IF EQUIPPED) L1 L2 L3
SUPPLY FAN AMPS _______ L1 L2 L3
TEMPERATURES
OUTDOOR-AIR TEMPERATURE F DB (Dry Bulb)
RETURN-AIR TEMPERATURE F DB F WB (Wet Bulb)
COOLING SUPPLY AIR F
GAS HEAT SUPPLY AIR (48PG) F
ELECTRIC HEAT SUPPLY AIR (50PG) F
PRESSURES
GAS INLET PRESSURE IN. WG
GAS MANIFOLD PRESSURE STAGE NO. 1 IN. WG STAGE NO. 2 IN. WG
REFRIGERANT SUCTION CIRCUIT A PSIG
CIRCUIT B PSIG
CIRCUIT C PSIG
REFRIGERANT DISCHARGE CIRCUIT A PSIG
CIRCUIT B PSIG
CIRCUIT C PSIG
j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
j ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS
48/
50P
D