Carrier 48PG03-16 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 140

MODEL NO.:
DATE:
I. PRE-START-UP:
VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
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VERIFY INSTALLATION OF OUTDOOR AIR HOOD
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VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD (48PG ONLY)
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VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS
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VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
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VERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE (48PG ONLY)
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CHECK GAS PIPING FOR LEAKS (48PG ONLY)
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CHECK THAT INDOOR- -AIR FILTERS ARE CLEAN AND IN PLACE
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CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE
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VERIFY THAT UNIT IS LEVEL
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CHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND VERIFY SETSCREW IS TIGHT
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VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
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VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION
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VERIFY INSTALLATION OF THERMOSTAT/SPACE SENSOR
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VERIFY CONFIGURATION VALUES FOR ELECTRONIC CONTROLS (REFER TO CONTROL SET UP CHECKLIST)
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VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS
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II. START-UP
ELECTRICAL
SUPPLY VOLTAGE
COMPRESSOR AMPS — COMPRESSOR A1
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
VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
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GENERAL
ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS
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Copyright 2007 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
UNIT START-UP CHECKLIST
______________
L1-L2
—COMPRESSOR B1 (07-16)
— COMPRESSOR C1 (16)
_______
STAGE NO. 1
CIRCUIT A
CIRCUIT B (07-16)
CIRCUIT C (16)
CIRCUIT A
CIRCUIT B (07-16)
CIRCUIT C (16)
SERIAL NO: _____________________________________
TECHNICIAN: ___________________________________
L2-L3 L3-L1
L1 L2
L1 L2
L1 L2
L1 L2
L1 L2
F DB (Dry Bulb)
F DB F WB (Wet Bulb)
F
F
F
IN. WG
IN. WG
PSIG
PSIG
PSIG
PSIG
PSIG
PSIG
Printed in U.S.A. Edition Date:6/07
140
L3
L3
L3
L3
L3
STAGE NO. 2 IN. WG
Catalog No:48---50PG ---7T
Replaces:48/50PG--- 6T