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Gree GWH12MB-K3DNE3G User Manual

Gree GWH12MB-K3DNE3G
80 pages
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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
GWH09MB-K3DNE3G
GWH12MB-K3DNE3G
Model:
(Refrigerant:R410A)
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Gree GWH12MB-K3DNE3G Specifications

General IconGeneral
Cooling Capacity12000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
TypeSplit System
Operating Temperature (Cooling)18°C to 43°C

Summary

Technical Information

1. Summary

Overview of the air conditioner models and components.

2. Specifications

Detailed technical specifications for the air conditioner units.

2.1 Specification Sheet

Table of detailed technical data for cooling and heating performance.

2.2 Operation Characteristic Curve

Graphs showing current vs. compressor speed for cooling and heating.

2.3 Capacity Variation Ratio According to Temperature

Charts illustrating capacity changes based on outdoor temperature.

2.4 Cooling and Heating Data Sheet in Rated Frequency

Data on performance parameters under rated cooling and heating conditions.

2.5 Noise Curve

Graphs showing noise levels for indoor and outdoor units.

3. Outline Dimension Diagram

Visual representation of the physical dimensions of indoor and outdoor units.

3.1 Indoor Unit Dimensions

Diagram showing the size and mounting points of the indoor unit.

3.2 Outdoor Unit Dimensions

Diagram showing the size and clearance requirements for the outdoor unit.

4. Refrigerant System Diagram

Schematic illustrating the flow of refrigerant through the system components.

5. Electrical Part

Details on electrical connections, wiring diagrams, and PCB layouts.

5.1 Wiring Diagram

Circuit diagrams showing electrical connections for indoor and outdoor units.

5.2 PCB Printed Diagram

Layouts of printed circuit boards for indoor and outdoor units.

6. Function and Control

Explanation of air conditioner modes, functions, and remote controller operations.

6.1 Remote Controller Introduction

Guide to the buttons and display icons on the remote controller.

6.2 Brief Description of Modes and Functions

Detailed explanation of various operating modes and system functions.

Installation and Maintenance

7. Notes for Installation and Maintenance

Important safety precautions and guidelines for installation and maintenance.

Main Tools for Installation and Maintenance

List of essential tools required for installation and maintenance tasks.

8. Installation

Step-by-step guide for installing the air conditioning unit.

8.1 Installation Dimension Diagram

Diagram specifying clearance and mounting dimensions for installation.

8.2 Installation Parts-checking

Checklist of components and parts required for installation.

8.3 Selection of Installation Location

Criteria for choosing suitable indoor and outdoor unit installation sites.

8.4 Electric Connection Requirement

Safety and technical requirements for electrical wiring and grounding.

8.5 Installation of Indoor Unit

Detailed steps for mounting and connecting the indoor unit.

8.6 Installation of Outdoor Unit

Detailed steps for installing and securing the outdoor unit.

8.7 Vacuum Pumping and Leak Detection

Procedures for removing air and checking for refrigerant leaks.

8.8 Check after Installation and Test Operation

Steps to verify proper installation and conduct initial test operations.

Maintenance

9.1 Error Code List

Table of error codes, their display methods, and possible causes.

9.2 Troubleshooting for Main Malfunction

Diagnostic flowcharts for common primary malfunctions and their solutions.

9.3 Troubleshooting for Normal Malfunction

Guides for resolving issues like unit not starting or poor cooling/heating.

Exploded View and Parts List

10.1 Indoor Unit

Illustrated breakdown of indoor unit components with part codes and quantities.

10.2 Outdoor Unit

Illustrated breakdown of outdoor unit components with part codes and quantities.

Removal Procedure

11.1 Removal Procedure of Indoor Unit

Step-by-step instructions for disassembling the indoor unit.

11.2 Removal Procedure of Outdoor Unit

Step-by-step instructions for disassembling the outdoor unit.

Appendices

Appendix 3: Pipe Expanding Method

Detailed instructions for properly expanding pipe ends to prevent refrigerant leaks.

Appendix 1: Reference Sheet of Celsius and Fahrenheit

Table for converting between Celsius and Fahrenheit temperature scales.

Appendix 2: Configuration of Connection Pipe

Guidelines on connection pipe lengths, height differences, and refrigerant oil.

Appendix 4: List of Resistance for Temperature Sensor

Tables listing resistance values for temperature sensors at various temperatures.

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