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Gree GWC18QD-D3DNB4E/I User Manual

Gree GWC18QD-D3DNB4E/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-D3DNB4E/I Specifications

General IconGeneral
Power Supply220-240V, 50Hz
RefrigerantR410A
Indoor Unit Dimensions (W x H x D)970 x 300 x 224 mm
Outdoor Unit Dimensions (W x H x D)848 x 596 x 320 mm
InverterYes
TypeSplit

Summary

Part I : Technical Information

2. Specifications

2.1 Specification Sheet

Detailed technical specifications including electrical, cooling, and heating data for various models.

2.5 Cooling and Heating Data Sheet in Rated Frequency

Table detailing performance data under specific cooling and heating conditions.

3. Outline Dimension Diagram

4. Refrigerant System Diagram

5. Electrical Part

5.1 Wiring Diagram

Schematic illustrating the electrical connections for indoor and outdoor units, including component symbols.

6. Function and Control

6.1 Remote Controller Introduction

Explanation of the remote controller buttons, display icons, and their functions.

Outdoor Units

3. Special Functions

4. Control Logic

Explains the operational logic for compressor, fans, and valves in various modes and conditions.

Failure Detection for Sensor

Procedures for detecting and diagnosing sensor failures (ambient, tube, exhaust, module temp.).

Part II : Installation and Maintenance

7. Notes for Installation and Maintenance

Important safety precautions and general instructions for installation and maintenance procedures.

8. Installation

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

Installation Procedures

A flowchart outlining the step-by-step process for installing the air conditioning unit.

8.3 Selection of Installation Location

Guidelines for choosing appropriate locations for indoor and outdoor units, considering environmental factors.

8.4 Electric Connection Requirement

Instructions and safety precautions for connecting the unit's electrical power supply.

8.5 Installation of Indoor Unit

Detailed steps and considerations for mounting and installing the indoor unit.

8.6 Installation of Outdoor Unit

Step-by-step guide for securely mounting and installing the outdoor unit.

8.7 Vacuum Pumping and Leak Detection

Procedures for evacuating the refrigerant lines and checking for leaks after installation.

8.8 Check after Installation and Test Operation

A checklist and procedure for verifying correct installation and performing initial unit operation tests.

9. Maintenance

9.1 Precautions before Maintenance

Critical safety warnings and steps for safely discharging electrical components before maintenance.

9.2 Error Code List

A table listing error codes, their display methods, AC status, and potential malfunctions.

9.3 Troubleshooting for Main Malfunction

Diagnostic flowcharts and steps for identifying and resolving common indoor unit malfunctions.

Malfunction of Blocked Protection of IDU Fan Motor H6

Troubleshooting guide for issues related to the indoor unit's fan motor protection circuit.

Troubleshooting for Normal Malfunction

General troubleshooting guide for common operational problems not related to specific error codes.

10. Exploded View and Parts List

11. Removal Procedure

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