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Gree GWC18QD-D3DNA5E/I User Manual

Gree GWC18QD-D3DNA5E/I
98 pages
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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual

Table of Contents

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Gree GWC18QD-D3DNA5E/I Specifications

General IconGeneral
InverterYes
Power Supply220-240V, 50Hz
Indoor Unit Dimensions (WxHxD)970 x 300 x 224 mm
Outdoor Unit Dimensions (WxHxD)848 x 596 x 320 mm
TypeSplit
Energy Efficiency Ratio (Cooling)3.21 W/W

Summary

2. Specifications

2.1 Specification Sheet Details

Details technical specifications for indoor unit models, including electrical, performance, and physical characteristics.

5. Electrical Part

5.1 Indoor Unit Wiring Diagram

Shows the electrical connections for the indoor unit, including component labels and wire colors.

5.2 Indoor Unit PCB Diagrams

Detailed diagrams of the printed circuit boards (PCBs) for the indoor unit, showing component layout.

6. Function and Control

6.1 Remote Controller Introduction

Explains the buttons and display icons on the air conditioner's remote controller.

Outdoor Unit Functions

Sensor Failure Detection

Covers detection and disposal procedures for various sensor failures.

Part II: Installation and Maintenance

7. Installation and Maintenance Precautions

Important safety warnings and general instructions for installation and maintenance.

8.5 Indoor Unit Installation Steps

Provides steps for choosing location and installing the wall-mounting frame for the indoor unit.

8. Installation Procedures

8.5 Indoor Unit Installation Steps (Continued)

Continues indoor unit installation steps, including frame fixing and pipe hole drilling.

8.7 Vacuum Pumping and Leak Detection

8.8 Installation Checks and Test Operation

1. Post-Installation Checks

Lists critical checks after installation to prevent malfunctions.

2. Test Operation Procedure

Outlines the steps for performing a test run to confirm unit operation.

9. Maintenance Procedures

9.1 Maintenance Safety Precautions

Crucial safety warnings and procedures for capacitor discharge before maintenance.

9.2 Error Code List

Comprehensive list of error codes, their display methods, and associated malfunctions.

9.3 Troubleshooting Main Malfunctions (Indoor Unit)

Guides on diagnosing and resolving main malfunctions in the indoor unit.

9.3 Troubleshooting Main Malfunctions (Indoor Unit) - Communication and IPM Issues

Troubleshooting for communication malfunction (E6) and IPM protection issues.

9.3 Troubleshooting Main Malfunctions (Outdoor Unit) - Specific Protections

Troubleshooting for overload, discharge, IPM, and communication malfunctions in the outdoor unit.

9.4 Troubleshooting Normal Malfunctions

General troubleshooting for common issues like startup failure, poor cooling/heating, and horizontal louver movement.

9.4 Troubleshooting Normal Malfunctions (Continued)

Troubleshooting for ODU fan motor, compressor, leaks, and abnormal sounds/vibrations.

Outdoor Unit Startup Failure Diagnosis

Troubleshooting steps for failures during the outdoor unit's startup sequence.

Outdoor Unit Compressor Synchronism Diagnosis

Troubleshooting for compressor synchronism issues in the outdoor unit.

Outdoor Unit Overload and Discharge Diagnosis

Troubleshooting for overload and discharge malfunctions in the outdoor unit.

Outdoor Unit Communication Circuit Diagnosis

Step-by-step diagnosis for outdoor unit communication circuit failures.

10. Exploded View and Parts List

11. Removal Procedures