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Service Manual
Models:
GWH12QB-K6DNB8I
GWH12QB-K6DNB2I
GWH12QB-K6DNB4I
GWH12QB-K6DNA1I
GWH12QB-K6DND6I
GWH12QB-K6DNA5I
GWH12QB-K6DND6I
GWH12QB-K6DNA3I
GWH12QB-K6DNC6I
GWH12QB-K6DNC4I
GWH12QB-K6DNC8I
(Refrigerant:R32)
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Summarization of Contents

Part I : Technical Information
1. Summary
Brief overview of the air conditioner unit's capabilities and features.
2. Specifications
Detailed technical specifications of the air conditioner's performance and components.
2.1 Specification Sheet
Detailed table of technical specifications for the air conditioner.
2.2 Operation Characteristic Curve
Graphs showing performance characteristics like current vs. compressor speed.
2.3 Capacity Variation Ratio According to Temperature
Graphs illustrating how cooling/heating capacity changes with temperature.
2.4 Cooling and Heating Data Sheet in Rated Frequency
Data table for cooling and heating performance under rated conditions.
2.5 Noise Curve
Graphs showing noise levels at different operating speeds.
3. Outline Dimension Diagram
Visual representation of the indoor and outdoor unit dimensions.
3.1 Indoor Unit
Diagrams showing the dimensions and mounting details of the indoor unit.
3.2 Outdoor Unit
Diagrams showing the dimensions and mounting details of the outdoor unit.
4. Refrigerant System Diagram
Diagram illustrating the refrigerant flow and components in the system.
5. Electrical Part
Information related to the electrical components and wiring of the unit.
5.1 Wiring Diagram
Diagrams showing the electrical connections for various indoor unit models.
5.2 PCB Printed Diagram
Top and bottom views of the printed circuit board with component labels.
6. Function and Control
Explanation of the unit's operational modes, functions, and remote controller usage.
6.1 Remote Controller Introduction of YAN1F6(WiFi)
Explanation of the buttons and display icons on the YAN1F6(WiFi) remote controller.
6.2 Remote Controller Introduction of YAP1FB2(WiFi)
Explanation of the buttons and display icons on the YAP1FB2(WiFi) remote controller.
6.3 Brief Description of Modes and Functions
Detailed explanation of various operating modes and special functions of the unit.
6.4 GREE+ App Operation Manual
Guide on how to use the GREE+ mobile application for controlling the unit.
6.5 Ewpe Smart App Operation Manual
Guide on how to use the Ewpe Smart mobile application for controlling the unit.
Part II : Installation and Maintenance
7. Notes for Installation and Maintenance
Crucial safety precautions and important notes before installing or maintaining the unit.
8. Installation
Step-by-step procedures and guidelines for installing the air conditioner unit.
8.1 Installation Dimension Diagram
Diagrams illustrating the required clearances and dimensions for unit installation.
8.2 Installation Parts-checking
List of components to check before and during installation.
8.3 Selection of Installation Location
Criteria and recommendations for choosing the optimal installation site for the unit.
8.4 Requirements for electric connection
Essential safety and regulatory requirements for electrical connections.
8.5 Installation of Indoor Unit
Detailed steps for mounting and installing the indoor unit.
8.6 Installation of Outdoor Unit
Detailed steps for mounting and installing the outdoor unit.
8.7 Vacuum Pumping and Leak Detection
Procedures for removing air and checking for refrigerant leaks in the system.
8.8 Check after Installation and Test Operation
Steps to verify correct installation and test the unit's functionality.
9. Maintenance
Procedures and guidance for performing regular maintenance on the unit.
9.1 Malfunction Analysis
Troubleshooting guide for common malfunctions when the unit fails to start.
9.2 Flashing LED of Indoor Unit/Outdoor and Primary Judgement
Interpreting LED indicators and fault codes for diagnosing unit issues.
9.3 How to Check Simply the Main Part
Basic troubleshooting steps for checking main unit components.
10. Exploded View and Parts List
10.1 Indoor Unit
Illustrated exploded view and list of parts for the indoor unit.
10.2 Outdoor Unit
Illustrated exploded view and list of parts for the outdoor unit.
11. Removal Procedure
11.1 Removal Procedure of Indoor Unit
Detailed steps for disassembling and removing parts of the indoor unit.
11.2 Removal Procedure of Outdoor Unit
Step-by-step instructions for disassembling and removing parts of the outdoor unit.
Appendix
Appendix 1: Reference Sheet of Celsius and Fahrenheit
Conversion table for temperature readings between Celsius and Fahrenheit.
Appendix 2: Configuration of Connection Pipe
Guidelines for connection pipe lengths, refrigerant oil, and charging amounts.
Appendix 3: Pipe Expanding Method
Detailed steps for properly expanding refrigerant pipes to prevent leaks.
Appendix 4: List of Resistance for Temperature Sensor
Resistance values for temperature sensors at various temperatures.

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