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Gree GVH48AH-M3DNA5A User Manual

Gree GVH48AH-M3DNA5A
71 pages
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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
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Service Manual
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Table of Contents

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Gree GVH48AH-M3DNA5A Specifications

General IconGeneral
BrandGree
ModelGVH48AH-M3DNA5A
CategoryAir Conditioner
LanguageEnglish

Summary

GREE Service Manual

Technical Information

1. Summary

Overview of indoor unit, outdoor unit, and remote controller models.

2. Specifications

Detailed technical specifications for cooling, heating, and electrical parameters.

3. Outline Dimension Diagram

Visual representation of indoor and outdoor unit dimensions for installation planning.

4. Refrigerant System Diagram

Diagram illustrating the refrigerant flow path in cooling and heating modes.

5. Electrical Part

Wiring diagrams and PCB printed diagrams for electrical connections and components.

6. Function and Control

Explanation of air conditioner modes, button functions, and control operations.

Installation and Maintenance

7. Notes for Installation and Maintenance

Crucial safety precautions, warnings, and general notes for installation and maintenance.

8. Installation Procedures

Step-by-step guide for installing the indoor and outdoor units, including location and connections.

8.7 Vacuum Pumping and Leak Detection

Procedure for removing air from the system and testing for refrigerant leaks.

8.8 Check after Installation and Test Operation

Final checks and operational tests to ensure correct installation.

Service and Troubleshooting

9. Maintenance and Troubleshooting

Covers diagnostics using LED indicators, troubleshooting common malfunctions, and error code interpretation.

10. Exploded View and Parts List

Visual breakdown and part numbers for indoor and outdoor unit components.

11. Removal Procedure

Step-by-step instructions for disassembling indoor and outdoor unit components.

Appendix

Appendix 1: Celsius and Fahrenheit Conversion

Table for converting temperature readings between Celsius and Fahrenheit.

Appendix 2: Connection Pipe Configuration

Specifications for connection pipe lengths, differences, and refrigerant charging amounts.

Appendix 3: Pipe Expanding Method

Correct procedure for expanding pipes to ensure proper refrigerant sealing.

Appendix 4: Temperature Sensor Resistance Data

Resistance values for temperature sensors at various ambient temperatures.

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