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Air Conditioner
42NQV025M
Service manual
Carrier 42NQV025M Service Manual
Air-conditioner split wall type
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Contents
Table of Contents
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Table of Contents
Service Manual Air-Conditioner
Table of Contents
Safety Precautions
Specifications
Capacity Variation Ratio According to Temperature
Operation Characteristic Curve
Refrigerant R410A
Recharging of Refrigerant
Brazing of Pipes
Construction Views
Wiring Diagram
Specifications of Electrical Parts
Refrigerant Cycle Diagram
Control Block Diagram
Operation Description
Table of Contents
Operation Description
Basic Operation
Operation Control
AUTO Operation
Cooling/Heating Operation
DRY Operation
Indoor Fan Motor Control
Capacity Control
Current Release Control
Release Protective Control by Temperature of Indoor Heat Exchanger
Defrost Control (Only in Heating Operation)
Air Direction Adjustment
Louver Control
Louver Position
Swing
ECO Operation
Discharge Temperature Control
Temporary Operation
Remote-A or B Selection
Hi-POWER Mode
Auto Restart Function
How to Set the Auto Restart Function
How to Cancel the Auto Restart Function
Power Failure During Timer Operation
Remote Control
Remote Control and Its Functions
Operation of Remote Control
Name and Functions of Indications on Remote Controller
Installation Procedure
Installation Diagram of Indoor and Outdoor Units
Indoor Unit
Outdoor Unit
How to Diagnose the Trouble
Primary Judgement
Judgment by Flashing Led of Indoor Unit
Judgement of Trouble by Every Symptom
How to Diagnose Trouble in Outdoor Unit
How to Simply Judge Whether Outdoor Fan Motor Is Good or Bad
Part Replacement
Exploded Views and Parts List
File No. Svm
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Specifications
2
Wiring Diagram
3
How to Diagnose the Trouble
4
Part Replacement
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FILE NO. SVM-07009
SERVICE MANUAL
AIR-CONDITIONER
SPLIT WALL TYPE
42NQV025M / 38NYV025M
42NQV025M-A / 38NYV025M-A
March, 2007
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Table of Contents
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This manual is also suitable for:
38nyv025m
42nqv025m-a
38nyv025m-a
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