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Service Manual1
Table of Contents2
Technical Information4
Product View4
Specifications5
Capacity Curve in Different Outdoor Temperature7
Cooling and Heating Data Sheet in Rated Frequency7
Outline Dimension Diagram8
Refrigerant System Diagram10
Indoor Unit10
Outdoor Unit10
Electrical Part11
Wiring Diagram11
Main Board12
PCB Printed Diagram13
Function Buttons of Air Conditioner15
Description of each Control Operation19
Basic Functions19
Protection Function19
Defrosting19
Sleep20
Power-Off Memory Function20
LED Display Module Control20
Buttons20
Remote Control Introduction21
Icons on Display Screen21
Timer On/Timer off21
Function Introduction for Combination Buttons24
Remote Control Operation24
Replacement of Batteries in the Remote Controller24
Installation and Maintenance25
Safety Precautions25
Main Tools for Installation and Maintenance26
Installation Dimension Diagram27
Installation Procedures28
Installation Parts-Checking29
Selection of Installation Location29
Electric Connection Requirement29
Installation of Indoor Unit29
Outlet Pipe30
Drain Hose30
Outdoor Unit Connection30
Installation of Outdoor Unit31
Vacuum Pumping and Leak Detection33
Check after Installation and Test Operation33
Maintenance34
Judgement by Flashing LED of Indoor34
How to Check Simply the Main Part of Indoor35
Judgement by Flashing LED of Outdoor40
Maintenance Method for Normal Malfunction46
Air Conditioner Can't be Started up46
Poor Cooling (Heating)46
Horizontal Louver Can't Swing46
ODU Fan Motor Can't Operate47
Compressor Can't Operate47
Air Conditioner Is Leaking47
Abnormal Sound and Vibration47
Exploded View and Parts List48
Removal Procedure of Indoor Unit52
Removal Procedure of Outdoor Unit59
Reference Sheet of Celsius and Fahrenheit66
Configuration of Connection Pipe66
Pipe Expanding Method67
List of Resistance for Temperature Sensor68
Gree Electric Appliances,Inc.of Zhuhai71

Brand	Gree
Model	GVH48AH-M3DNA5A
Category	Air Conditioner
Language	English

Gree GVH48AH-M3DNA5A User Manual

Table of Contents

Questions and Answers:

Gree GVH48AH-M3DNA5A Specifications

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