Carrier 48/50PD05 Unit Start-Upchecklist, I. Pre-Start-Up, Ii.Start-Up, Electrical, Temperatures

UNIT START-UP CHECKLIST

MODEL NO.:		SERIAL NO: _____________________________________
DATE:	______________	TECHNICIAN: ___________________________________

I. PRE-START-UP:

jVERIFY 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

jVERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

GENERAL

jECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS

48/50PD

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