UNIT START-UP CHECKLIST
48/50PG and PM
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| SERIAL NO: _____________________________________ | |
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| ______________ | TECHNICIAN: ___________________________________ |
I. PRE-START-UP:
jVERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT
jVERIFY INSTALLATION OF OUTDOOR AIR HOOD
jVERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD (48PG and PM ONLY)
jVERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS
jVERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
jVERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE (48PG and PM ONLY)
jCHECK GAS PIPING FOR LEAKS (48PG AND 48PM)
jCHECK THAT INDOOR−AIR FILTERS ARE CLEAN AND IN PLACE
jCHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE
jVERIFY THAT UNIT IS LEVEL
jCHECK FAN WHEELS AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND VERIFY SETSCREW IS TIGHT
jVERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
jVERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION
jVERIFY INSTALLATION OF THERMOSTAT/SPACE SENSOR
jVERIFY CONFIGURATION VALUES FOR ELECTRONIC CONTROLS (REFER TO CONTROL SET UP CHECKLIST)
jVERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS
II.START-UP
ELECTRICAL
SUPPLY VOLTAGE | L1‐L2 | L2‐L3 | L3‐L1 |
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COMPRESSOR AMPS — COMPRESSOR A1 | L1 | L2 | L3 | ||||||||||||
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L1 | L2 | L3 | |||||||||||||
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ELECTRIC HEAT AMPS (IF EQUIPPED) | L1 | L2 | L3 | ||||||||||||
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SUPPLY FAN AMPS |
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TEMPERATURES |
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OUTDOOR‐AIR TEMPERATURE |
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| F DB (Dry Bulb) |
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RETURN‐AIR TEMPERATURE |
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| F DB | F WB (Wet Bulb) |
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COOLING SUPPLY AIR |
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GAS HEAT SUPPLY AIR (48PG AND PM ) |
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ELECTRIC HEAT SUPPLY AIR (50PG AND PM) |
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PRESSURES
GAS INLET PRESSURE |
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GAS MANIFOLD PRESSURE | STAGE NO. 1 |
| IN. WG | STAGE NO. 2 |
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REFRIGERANT SUCTION | CIRCUIT A |
| PSIG | CIRCUIT A Superheat |
| degF |
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| CIRCUIT B |
| PSIG | CIRCUIT B Superheat |
| degF |
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REFRIGERANT DISCHARGE | CIRCUIT A |
| PSIG | CIRCUIT A Subcooling |
| degF |
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| CIRCUIT B |
| PSIG | CIRCUIT B Subcooling |
| degF |
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jVERIFY REFRIGERANT CHARGE USING CHARGING CHARTS
GENERAL
jECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS
Copyright 2011 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 | Printed in U.S.A. | Edition Date: 1/11 | Catalog |
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Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. | Replaces: | ||
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