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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.
CHECK INDOOR UNIT FAN SPEED AND RECORD.
CHECK OUTDOOR UNIT FAN SPEED AND RECORD.
AFTER AT LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:
SUCTION PRESSURE CIR 1: CIR 2:
SUCTION LINE TEMP CIR 1: CIR 2:
LIQUID PRESSURE CIR 1: CIR 2:
LIQUID LINE TEMP CIR 1: CIR 2:
ENTERING OUTDOOR UNIT AIR TEMP
LEAVING OUTDOOR UNIT AIR TEMP
INDOOR UNIT ENTERING-AIR DB (dry bulb) TEMP
INDOOR UNIT ENTERING-AIR WB (wet bulb) TEMP
INDOOR UNIT LEAVING-AIR DB TEMP
INDOOR UNIT LEAVING-AIR WB TEMP
COMPRESSOR 1 AMPS (L1/L2/L3) / /
COMPRESSOR 2 AMPS (L1/L2/L3) / /
NOTES:
Copyright2010 CarrierCo rp. D 7310 W.MorrisSt.D Indianapolis, IN 46231 Printed in U.S.A. Edition Date:11/10
Manufacturer reservesthe rightto change, at any time,specifications and designs withoutnotice andwithout obligations.
Catalog No: 38AU---09SI
Replaces: 38AU ---07SI
38AU