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CHECK VOLTAGE IMBALANCE
LINE-TO-LINE VOLTS: AB
VAC VBC 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.
C. Start-Up
CHECK EVAPORATOR FAN SPEED AND RECORD.
AFTER AT LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:
COMP A1 COMP B1
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
(40RMS ONLY)
OUTDOOR UNIT LEAVING WATER TEMP
(40RMS ONLY)
INDOOR UNIT ENTERING WATER TEMP
(40RMS ONLY)
INDOOR UNIT LEAVING WATER TEMP
(40RMS ONLY)
COMPRESSOR AMPS (L1/L2/L3) / / / /
CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES; ARE THE SIGHT GLASSES SHOWING
OIL LEVEL AT
1
⁄
8
TO
1
⁄
3
FULL? (Y/N)
NOTES:
Copyright 1995 Carrier Corporation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 3c 2e
PC 111 Catalog No. 534-053 Printed in U.S.A. Form 40RM-9SI CL-2 596 11-95 Replaces: 40RM-1SI