START-UP CHECKLIST
A. Preliminary Information
OUTDOOR: MODEL NO. |
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INDOOR: AIR HANDLER MANUFACTURER |
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MODEL NO. |
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ADDITIONAL ACCESSORIES |
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B. Pre-Start-Up
OUTDOOR UNIT |
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IS THERE ANY SHIPPING DAMAGE? |
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IF SO, WHERE: |
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WILL THIS DAMAGE PREVENT UNIT |
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CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT? | (Y/N) |
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HAS THE GROUND WIRE BEEN CONNECTED? | (Y/N) |
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HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY? | (Y/N) |
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ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY? | (Y/N) |
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HAVE COMPRESSOR HOLDDOWN BOLTS BEEN LOOSENED (Snubber washers are snug, but not tight)?
(Y/N) |
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CONTROLS |
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ARE THERMOSTAT AND INDOOR FAN CONTROL WIRING |
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CONNECTIONS MADE AND CHECKED? | (Y/N) |
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ARE ALL WIRING TERMINALS (including main power supply) TIGHT? | (Y/N) |
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HAS CRANKCASE HEATER BEEN ENERGIZED FOR 24 HOURS? | (Y/N) |
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INDOOR UNIT |
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HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE? | (Y/N) |
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ARE PROPER AIR FILTERS IN PLACE? | (Y/N) |
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HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT? | (Y/N) |
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DO THE FAN BELTS HAVE PROPER TENSION? | (Y/N) |
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HAS CORRECT FAN ROTATION BEEN CONFIRMED? |
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PIPING |
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ARE LIQUID LINE SOLENOID VALVES LOCATED AT THE INDOOR COILS AS REQUIRED? | (Y/N) | ||||||||||||||||||
HAVE LEAK CHECKS BEEN MADE AT COMPRESSOR, OUTDOOR AND INDOOR COILS,
TXVs (Thermostatic Expansion Valves), SOLENOID VALVES, FILTER DRIERS, AND FUSIBLE PLUGS
WITH A LEAK DETECTOR? | (Y/N) |
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LOCATE, REPAIR, AND REPORT ANY LEAKS. |
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HAVE ALL COMPRESSOR SERVICE VALVES BEEN FULLY OPENED (BACKSEATED)? | (Y/N) | ||||||||||||||||||||||
HAVE LIQUID LINE SERVICE VALVES BEEN OPENED? | (Y/N) |
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IS THE OIL LEVEL IN EACH COMPRESSOR CRANKCASE VISIBLE IN THE COMPRESSOR SIGHT GLASSES? | |||||||||||||||||||||||
(Y/N) |
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CHECK VOLTAGE IMBALANCE |
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AB |
| V | AC |
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| BC |
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(AB + AC + BC)/3 = AVERAGE VOLTAGE = |
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MAXIMUM DEVIATION FROM AVERAGE VOLTAGE = |
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VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) = |
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IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM! |
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CALL LOCAL POWER COMPANY FOR ASSISTANCE. |
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