Gree GWH12UB-K3DNA4F User Manual

68
Installation and Maintenance
Service Manual
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1. Use Vacuum Pump
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2. Test Operation
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8.7 Vacuum Pumping and Leak
Detection
8.8 Check after Installation and Test
Operation
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Fig.28

Gree GWH12UB-K3DNA4F Specifications

General

Brand	Gree
Model	GWH12UB-K3DNA4F
Category	Air Conditioner
Language	English

Summary

Part I : Technical Information

2. Specifications

Details technical specifications for the GWH09UB-K3DNA4F model, including power, capacity, and dimensions.

4. Refrigerant System Diagram

Illustrates the refrigerant flow and components within the AC system for both indoor and outdoor units.

5. Electrical Part

Covers the electrical components and diagrams for the air conditioning system.

5.1 Wiring Diagram

Presents wiring diagrams for the indoor unit, showing connections for various components and boards.

5.2 PCB Printed Diagram

Shows the PCB layout for the indoor unit (09/12K), detailing component positions and connections.

6. Function and Control

Explains the functions and control mechanisms of the air conditioning system.

6.1 Remote Controller Introduction

Introduces the remote controller, its matching process, and lists the functions of each button.

6.2 Operation of Smart Control (Smart Phone, Tablet PC) For Gree

Guides users on downloading and installing the Smart Wi-Fi APP for air conditioner control.

6.3 Operation of Smart Control (Smart Phone, Tablet PC)

Guides users on operating the smart control features via smartphone or tablet.

6.4 Brief Description of Modes and Functions

Part II : Installation and Maintenance

7. Notes for Installation and Maintenance

8. Installation

Details the procedures and requirements for installing the air conditioning unit.

8.3 Selection of Installation Location

8.4 Electric Connection Requirement

8.5 Installation of Indoor Unit

8.6 Installation of Outdoor Unit

8.7 Vacuum Pumping and Leak Detection

8.8 Check after Installation and Test Operation

9. Maintenance

Covers maintenance procedures, including error code lists and troubleshooting.

9.1 Error Code List

9.2 Procedure of Troubleshooting

Provides troubleshooting flowcharts for common malfunctions, starting with temperature sensor issues.

9.3 Troubleshooting for Normal Malfunction

11. Removal Procedure

11.1 Removal Procedure of Indoor Unit

11.2 Removal Procedure of Outdoor Unit