Carrier 40RU manual Check Voltage Imbalance, Comp A1 Comp B1

40RU

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.

III. START-UP

CHECK INDOOR FAN MOTOR 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 (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 OIL LEVEL AT 1/8 to 1/3 FULL? (Y/N)

NOTES:

Copyright 2011 Carrier Corp. D 7310 W. Morris St. D Indianapolis, IN 46231	Printed in U.S.A.	Edition Date:01/11	Catalog No: 40RU---07SI
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.			Replaces: 40RU--- 05SI

40