Unit Start−Up Checklist - Carrier 50HCQ Installation Instructions Manual

NOTE: To avoid injury to personnel and damage to equipment or property when
completing the procedures listed in this start-up checklist, use good judgement,
follow safe practices, and adhere to the safety considerations/information as
outlined in the preceding sections of this Installation Instructions document.
MODEL NO.:
I. PRE-START-UP
j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
j VERIFY INSTALLATION OF OUTDOOR AIR HOOD
j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
j VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
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 THERMOSTAT
II. START-UP
COOLING CYCLE −
ELECTRICAL
SUPPLY VOLTAGE
COMPRESSOR AMPS 1
COMPRESSOR AMPS 2
SUPPLY FAN AMPS
TEMPERATURES
OUTDOOR−AIR TEMPERATURE
RETURN−AIR TEMPERATURE
COOLING SUPPLY AIR TEMPERATURE
PRESSURES
REFRIGERANT SUCTION
REFRIGERANT DISCHARGE CIRCUIT A
j VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
HEATING CYCLE −
ELECTRICAL
SUPPLY VOLTAGE
COMPRESSOR AMPS 1
COMPRESSOR AMPS 2
SUPPLY FAN AMPS
UNIT START-UP CHECKLIST
(Remove and Store in Job File)
L1−L2
L1
L1
L1
CIRCUIT A
CIRCUIT B
CIRCUIT B
L1−L2
L1
L1
L1
55
SERIAL NO.:
L2−L3
L2
L2
L2
_F DB (DRY BULB)
_F DB
_F
PSIG
PSIG
PSIG
PSIG
L2−L3
L2
L2
L2
L3−L1
L3
L3
L3
_F WB (WET BULB)
L3−L1
L3
L3
L3