Carrier PC 111 - Manual (Page 63)

CL-1
START-UP CHECKLIST
MODEL NO.: _____________________________________
DATE: ___________________________________________
SERIAL NO.: ______________________________________
TECHNICIAN:_____________________________________
I. PRE-START-UP:


VERIFY THAT UNIT IS LEVEL


VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT


LOOSEN ALL SHIPPING HOLDDOWN BOLTS AND REMOVE SHIPPING BRACKETS PER INSTRUCTIONS


VERIFY THAT COMPRESSOR SUSPENSION SPRINGS HAVE BEEN LOOSENED PER INSTRUCTIONS


VERIFY OPENING OF ECONOMIZER HOODS


VERIFY INSTALLATION OF EXHAUST HOODS


CONFIRM THAT TUBING FOR SPACE AND SUPPLY DUCT PRESSURES HAS BEEN INSTALLED


VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS


VERIFY THAT POWER SUPPLY MATCHES UNIT DATA PLATE


VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT


CHECK GAS PIPING FOR LEAKS (48FK,JK ONLY)


CHECK THAT INDOOR-AIR FILTERS ARE CLEAN AND IN PLACE


CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SET SCREWS ARE
TIGHT


VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED


OPEN SUCTION, DISCHARGE, AND LIQUID LINE SERVICE VALVES


CHECK COMPRESSOR OIL LEVEL SIGHT GLASS AND VERIFY PROPER LEVEL


VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR 24 HOURS


CHECK VOLTAGE IMBALANCE
LINE-TO-LINE VOLTS:
AB V AC V BC V
(AB + AC + BC)/3 = AVERAGE VOLTAGE = V
MAXIMUM DEVIATION FROM AVERAGE VOLTAGE = V
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.
II. PRELIMINARY CHECKLIST ITEMS:
CONTROL SETTINGS


DIP SWITCHES SET TO MATCH INSTALLED ACCESSORIES:
SUPPLY AIR SET POINT RESET (DIP SWITCH NO. 4 ON)
MORNING WARM-UP (DIP SWITCH NO. 4 ON)
DEMAND LIMIT (DIP SWITCH NO. 5 ON)


SUPPLY AIR SET POINT (P1) SET BETWEEN 45 AND 70 F


ECONOMIZER MINIMUM POSITION (P5) SET PER PLANS


SUPPLY AIR SET POINT RESET SETTINGS:
RESET INITIATION TEMPERATURE (P7) (TYPICALLY 68 TO 72 F)
RESET LIMIT TEMPERATURE (P3) (TYPICALLY 60 TO 70 F)


MORNING WARM-UP TEMPERATURE (TYPICALLY 50 TO 65 F)


IGV/VFD DUCT PRESSURE SET POINT PER PLANS


BUILDING PRESSURE (MODULATING POWER EXHAUST) SET PER PLANS


DEMAND LIMIT SETTINGS PER PLAN:
SINGLE STEP DEMAND LIMIT (P4) SET (TYPICALLY 25 TO 50%)
TWO-STEP DEMAND LIMIT
DLCM-P1 SET (TYPICALLY 50 TO 75%)
DLCM-P2 SET (TYPICALLY 0 TO 25%)


OCCUPIED/UNOCCUPIED SWITCH INSTALLED PER FIG. 23 (CLOSE TO START UNIT)