Carrier 38AUQ 25 Series Installation, Start-Up And Service Instructions Manual page 52

Heat pump condensing units with puron (r-410a) refrigerant
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CHECK VOLTAGE IMBALANCE
Line-to-Line Volts:
(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
Suction line temp
Suction line temp
Liquid pressure
Liquid line temp
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:
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© 2023 Carrier
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53380055-01
AB ___________ V AC _____________ V BC ___________ V
____________
____________
Cir: 1 ____________
Cir: 1 ____________
Cir: 1 ____________
Cir: 1 ____________
Cir: 1 ____________
____________
____________
____________
____________
____________
____________
____________ / ____________ / ____________
____________ / ____________ / ____________
Printed in U.S.A.
Form 38AUQ-16-25-03SI
Cir: 2 ____________
Cir: 2 ____________
Cir: 2 ____________
Cir: 2 ____________
Cir: 2 ____________
Pg CL-2
3-23
Replaces: 38AUQ-16-25-02SI

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38auq 16 series38auqt/u1638auqt/u25

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