Check Voltage Imbalance - Carrier 40RU Installation, Start-Up And Service Instructions Manual

CHECK VOLTAGE IMBALANCE

LINE-TO-LINE VOLTS:
(AB + 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.
III. START- -UP
CHECK INDOOR FAN MOTOR SPEED AND RECORD.
AFTER AT LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:
OIL PRESSURE
SUCTION PRESSURE
SUCTION LINE TEMP
DISCHARGE PRESSURE
DISCHARGE LINE TEMP
ENTERING OUTDOOR UNIT AIR TEMP
LEAVING OUTDOOR UNIT AIR TEMP
INDOOR UNIT ENTERING AIR DB TEMP
INDOOR UNIT ENTERING AIR WB TEMP
INDOOR UNIT LEAVING AIR DB TEMP
INDOOR UNIT LEAVING AIR WB TEMP
OUTDOOR UNIT ENTERING WATER TEMP
(40RUS ONLY)
OUTDOOR UNIT LEAVING WATER TEMP
(40RUS ONLY)
INDOOR UNIT ENTERING WATER TEMP
(40RUS ONLY)
INTDOOR UNIT LEAVING WATER TEMP
(40RUS ONLY)
COMPRESSOR AMPS (L1/L2/L3)
CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES, ARE THE SIGHT GLASSES SHOWING
1
OIL LEVEL AT
NOTES:
Copyright 2010 Carrier Corp. D 7310 W. Morris St. D Indianapolis, IN 46231
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
AB
1
/ to / FULL? (Y/N)
8 3
V AC V
V
COMP A1
____/____/____
Printed in U.S.A. Edition Date: 08/10
40
BC V
V
COMP B1
____/____/____
Catalog No: 40RU ---06SI
Replaces: 40RU--- 04SI