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Gree GWHD(28)NK3KO User Manual

Gree GWHD(28)NK3KO
97 pages
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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWHD(14)NK3DO
GWHD(18)NK3KO
GWHD(21)NK3KO
GWHD(24)NK3MO
GWHD(28)NK3KO
(Refrigerant
:
R410A)

Table of Contents

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Gree GWHD(28)NK3KO Specifications

General IconGeneral
RefrigerantR32
Cooling Capacity2.8 kW
Heating Capacity3.2 kW
Power Supply220-240V, 50Hz
TypeWall Mounted

Summary

Part I : Technical Information

1. Summary of Outdoor Units

Provides an overview of the outdoor units for the specified GREE models.

2. Technical Specifications

Details technical specifications for various GREE air conditioner models.

3. Outline Dimension Diagram

Illustrates the physical dimensions and installation clearances for outdoor units.

4. Refrigerant System Diagram

Shows the refrigerant flow and key components within the air conditioning system.

5. Electrical Information

Covers electrical components, wiring diagrams, and PCB layouts.

6. Function and Control

System Operation Modes

Explains cooling, dry, heating, and fan operating modes of the unit.

Protection and Safety Functions

Details protection mechanisms like mode conflict, overload, and discharge protection.

Part II : Installation and Maintenance

7. Installation and Maintenance Safety Precautions

Provides essential safety precautions for installation and maintenance procedures.

8. Installation Manual and Procedures

Outlines step-by-step installation procedures, tools, and electrical connections.

9. Maintenance and Troubleshooting Guide

Covers maintenance precautions, malfunction diagnosis, and common repair methods.

10. Exploded View and Parts List

Provides an exploded view and a list of parts for specific GREE outdoor unit models.

11. Component Removal Procedure

Provides step-by-step instructions on how to disassemble the unit.

Appendices

Appendix 1: Temperature Conversion Tables

Provides temperature conversion tables between Celsius and Fahrenheit.

Appendix 2: Connection Pipe Configuration Details

Details pipe length, refrigerant oil, and charging amounts for connection pipes.

Appendix 3: Pipe Expanding Method Guide

Explains the correct procedure for expanding pipes to prevent refrigerant leakage.

Appendix 4: Temperature Sensor Resistance Data

Lists resistance values for temperature sensors at various operating temperatures.

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