Start-up checklist a. preliminary information, B. pre-start-up – Carrier 38AH024-034 User Manual
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START-UP CHECKLIST
A. Preliminary Information
OUTDOOR: MODEL NO.
SERIAL NO.
INDOOR: AIR HANDLER MANUFACTURER .
MODEL NO. _________________
SERIAL NO.
ADDITIONAL ACCESSORIES.
B. Pre-Start-Up
OUTDOOR UNIT
IS THERE ANY SHIPPING DAMAGE? ,
IF SO, WHERE:____________________
(Y/N).
WILL THIS DAMAGE PREVENT UNIT START-UP? (Y/N)______________
CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT? (Y/N)______________
HAS THE GROUND WIRE BEEN CONNECTED? (Y/N)______________
HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY?
(Y/N)______
ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY?
(Y/N)______
HAVE COMPRESSOR HOLDDOWN BOLTS BEEN LOOSENED (Snubber washers are snug, but not tight)?
(Y/N)_____
CONTROLS
ARE THERMOSTAT(S) AND INDOOR FAN CONTROL WIRING
CONNECTIONS MADE AND CHECKED? (Y/N)_____________
ARE ALL WIRING TERMINALS (including main power supply) TIGHT? (Y/N)
HAVE CRANKCASE HEATERS BEEN ENERGIZED FOR 24 HOURS? (Y/N)
INDOOR UNIT
HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE?
ARE PROPER AIR FILTERS IN PLACE? (Y/N)_____________
HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT?
DO THE FAN BELTS HAVE PROPER TENSION? (Y/N)______________
HAS CORRECT FAN ROTATION BEEN CONFIRMED? (Y/N)______________
(Y/N) _
(Y/N)
PIPING
ARE LIQUID LINE SOLENOID VALVES LOCATED AT THE EVAPORATOR COILS AS REQUIRED? (Y/N)
HAVE LEAK CHECKS BEEN MADE AT COMPRESSORS, CONDENSERS, EVAPORATORS,
TXVs (Thermostatic Expansion Valves) SOLENOID VALVES, FILTER DRIERS, AND FUSIBLE PLUGS
WITH A LEAK DETECTOR? (Y/N)____________
LOCATE, REPAIR, AND REPORT ANY LEAKS___________________________________________________________
HAVE ALL COMPRESSOR SERVICE VALVES BEEN FULLY OPENED (BACKSEATED)? (Y/N)________________
HAVE LIQUID LINE SERVICE VALVES BEEN OPENED? (Y/N)______________
IS THE OIL LEVEL IN EACH COMPRESSOR CRANKCASE VISIBLE IN THE COMPRESSOR SIGHT GLASSES?
(Y/N)______
AC
BC
CHECK VOLTAGE IMBALANCE
LINE-TO-LINE VOLTS:
AB________ V
(AB -h AC + BC)/3 = AVERAGE VOLTAGE = ____________
MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =
_____
VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) = _
IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM!
CALL LOCAL POWER COMPANY FOR ASSISTANCE.
V
V
CL-1