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Gree GWH18KG-K3DNB1G User Manual

Gree GWH18KG-K3DNB1G
101 pages
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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWH18KG-K3DNA5G
GWH18KG-K3DNA6G
GWH18KG-K3DNA9G
GWH18KG-K3DNB1G
GWH18KG-K3DNB2G
GWH18KG-K3DNB4G
GWH24KG-K3DNA5G
GWH24KG-K3DNA6G
GWH24KG-K3DNA9G
GWH24KG-K3DNB1G
GWH24KG-K3DNB2G
GWH24KG-K3DNB4G
(Refrigerant R410A)
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Gree GWH18KG-K3DNB1G Specifications

General IconGeneral
Cooling Capacity18000 BTU/h
Heating Capacity18000 BTU/h
Power Supply220-240V/50Hz
RefrigerantR410A
Indoor Unit Dimensions (W x H x D)1000 x 300 x 210 mm
Outdoor Unit Dimensions (W x H x D)800 x 600 x 300 mm
Weight (Outdoor Unit)38 kg
Noise Level (Outdoor Unit)54 dB(A)
Dehumidification Capacity1.8 L/h
TypeSplit System
Operating Temperature (Cooling)18°C to 43°C
Indoor Unit Weight13.5 kg

Summary

Part Ⅰ : Technical Information

1. Summary

Overview of indoor unit models and their corresponding images.

2. Specifications

Detailed technical specifications for indoor and outdoor units.

2.4 Cooling and Heating Data Sheet in Rated Frequency

Data sheet for cooling and heating performance under rated conditions.

2.5 Noise Curve

Graphs illustrating noise levels for indoor and outdoor units.

3. Outline Dimension Diagram

Diagrams showing the dimensions of indoor and outdoor units.

3.1 Indoor Unit

Detailed dimensional drawings of the indoor unit.

3.2 Outdoor Unit

Detailed dimensional drawings of the outdoor unit.

4. Refrigerant System Diagram

Schematic representation of the refrigerant circuit within the air conditioner.

5. Electrical Part

Details on the electrical components and wiring diagrams.

5.1 Wiring Diagram

Wiring diagrams for the indoor unit.

5.2 PCB Printed Diagram

Visual representation of the Printed Circuit Board layout for indoor and outdoor units.

6. Function and Control

Explanation of remote controller functions and display icons.

6.1 Remote Controller Introduction

Explanation of remote controller buttons and display screen icons.

6.2 Brief Description of Modes and Functions

Detailed explanation of operating modes and functions of the air conditioner.

Part Ⅱ : Installation and Maintenance

7. Notes for Installation and Maintenance

Important safety precautions and general notes for installation and maintenance.

Installation Safety Precautions

Essential safety guidelines to follow before starting installation.

Electrical Safety Precautions

Crucial safety measures related to electrical work during installation.

Refrigerant Safety Precautions

Safety guidelines for handling refrigerants during installation.

Main Tools for Installation and Maintenance

List and images of essential tools required for installation and maintenance.

8. Installation

Procedures and guidelines for installing the air conditioning unit.

8.1 Installation Dimension Diagram

Visual guide for recommended clearance dimensions during installation.

Installation procedures

A flowchart outlining the overall installation process steps.

8.2 Installation Parts-checking

Checklist for verifying all necessary installation parts are present.

8.3 Selection of Installation Location

Criteria and recommendations for choosing suitable installation locations.

8.4 Electric Connection Requirement

Guidelines and safety precautions for electrical connections.

8.5 Installation of Indoor Unit

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

8.6 Installation of Outdoor Unit

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

8.7 Vacuum Pumping and Leak Detection

Procedures for evacuating the system and checking for refrigerant leaks.

8.8 Check after Installation and Test Operation

Final checks and operational tests after installation is complete.

9. Maintenance

Information on malfunction display and troubleshooting for indoor units.

9.1 Malfunction Display of Indoor Unit

Information on how indoor unit malfunctions are displayed and error codes.

9.2 Procedure of Troubleshooting

Step-by-step troubleshooting guides for various indoor unit malfunctions.

9.3 Troubleshooting for Normal Malfunction

Common issues and their troubleshooting steps, categorized by problem.

10. Exploded View and Parts List

Visual breakdown of components and their part numbers for assembly/disassembly.

10.1 Indoor Unit

Exploded view and part list for the indoor unit with corresponding part codes.

10.2 Outdoor Unit

Exploded view and part list for the outdoor unit with corresponding part codes.

11. Removal Procedure

Step-by-step instructions for safely removing unit components.

11.1 Removal Procedure of Intdoor 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.

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 on connection pipe lengths and refrigerant 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

Tables showing resistance values for temperature sensors at different temperatures.

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