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Gree GWC18QD-D3DNA1D User Manual

Gree GWC18QD-D3DNA1D
97 pages
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GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models:
GWC18QD-D3DNA1D
GWH18QD-D3DNA1D
GWC24QE-D3DNA1D
GWH24QE-D3DNA1D
(Refrigerant
:
R410A)

Table of Contents

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Gree GWC18QD-D3DNA1D Specifications

General IconGeneral
Power Supply220-240V, 50Hz
RefrigerantR410A
Capacity1.5 Ton
BTU Rating18000 BTU
Outdoor Unit Dimensions (W x H x D)320 mm
TypeSplit System
FeaturesSleep Mode
Operating Temperature (Cooling)18°C to 43°C
Operating Temperature (Heating)24 °C
Cooling Capacity18000 BTU/h
Heating Capacity18000 BTU/h

Summary

Part | : Technical Information

2. Specifications

Details technical specifications including electrical, performance, and physical attributes.

2.1 Specification Sheet

Presents a detailed data sheet comparing model specifications.

2.5 Cooling and Heating Data Sheet in Rated Frequency

Provides detailed cooling and heating data under rated frequency conditions.

5.1 Wiring Diagram

Provides wiring diagrams for indoor and outdoor units, detailing connections.

5.2 PCB Printed Diagram

Shows printed circuit board layouts for indoor and outdoor units with component identification.

Outdoor Unit Specifics and Special Functions

Protection Functions

Details various protection mechanisms against faults and abnormal conditions.

Part || : Installation and Maintenance

7. Notes for Installation and Maintenance

Provides essential safety precautions and guidelines for installation and maintenance.

Safety Precautions and Warnings

Comprehensive safety guidelines covering electrical, installation, and refrigerant handling.

8. Installation

Covers the step-by-step process for installing the air conditioner unit.

8.7 Vacuum Pumping and Leak Detection

Explains the process for vacuum pumping and checking for refrigerant leaks.

8.8 Post-Installation Checks and Test Operation

Outlines the final checks and test operation procedures after installation.

9.1 Precautions before Maintenance

Highlights safety measures, especially regarding electrical discharge, before maintenance.

9.2 Error Code List

Lists error codes and their corresponding malfunctions and AC statuses.

9.3 Troubleshooting for Main Malfunction

Provides diagnostic flowcharts for common main unit malfunctions.

9.4 Troubleshooting for Normal Malfunction

Offers troubleshooting steps for common, non-critical malfunctions.

Malfunction Diagnosis Procedures

IPM Protection and Compressor Malfunctions

Addresses IPM protection, desynchronizing issues, and compressor overcurrent faults.

Overload and Discharge Malfunction Diagnosis

Diagnoses overload and discharge malfunctions of the outdoor unit's control board.

Communication Malfunction Diagnosis

Guides troubleshooting for communication issues between indoor and outdoor units.

Troubleshooting for Normal Malfunction

11. Removal Procedure

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