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Gree GWH24QE-D3DNA1D - User Manual

Gree GWH24QE-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 GWH24QE-D3DNA1D Specifications

General IconGeneral
Cooling Capacity24000 BTU/h
Energy Efficiency Ratio (EER)3.21
Power Supply220-240V, 50Hz
RefrigerantR410A
Weight (Indoor Unit)12 kg
TypeSplit
Operating Temperature (Cooling)18°C to 43°C
Operating Temperature (Heating)-7°C to 24°C

Summary

2. Specifications

2.1 Specification Sheet

Detailed technical specifications for different models.

2.2 Operation Characteristic Curve

Graphs illustrating compressor speed vs. current for cooling and heating.

2.3 Capacity Variation Ratio According to Temperature

Charts showing capacity ratio changes based on outdoor temperature.

2.4 Noise Curve

Graphs showing noise levels for indoor and outdoor units based on speed/frequency.

4. Refrigerant System Diagram

5. Electrical Part

6. Function and Control

6.2 Brief Description of Modes and Functions

3. Special Functions and Control Logic

4. Protection Functions

Overview of Protection Mechanisms

Details on various protection functions like voltage sag, communication fault, and module protection.

Sensor and PFC Protection Details

Information on sensor failures, PFC protection, and their handling.

Part II: Installation and Maintenance

Important Safety Precautions

Critical safety warnings for installation and maintenance procedures.

8. Installation

8.6 Outdoor Unit Installation

8.7 Vacuum Pumping and Leak Detection

8.8 Installation Check and Test Operation

9. Maintenance

9.1 Precautions before Maintenance

Safety precautions and steps for discharging capacitors before maintenance.

9.2 Error Code List

Error Code Details (Part 1)

List of error codes with symptoms and potential causes.

Error Code Details (Part 2)

Continued list of error codes with symptoms and potential causes.

9.3 Troubleshooting for Main Malfunction

Temperature Sensor Malfunctions

Troubleshooting steps for temperature sensor issues.

IDU Fan Motor Blocked Protection

Troubleshooting guide for IDU fan motor blocked protection.

Jumper Cap Protection Malfunction

Troubleshooting steps for jumper cap protection issues.

Communication Malfunction (E6)

Troubleshooting steps for communication malfunctions.

Outdoor Unit Diagnostics

Capacity Charging Malfunction Diagnosis

Diagnostic process for capacity charging malfunctions.

IPM Protection and Compressor Issues

Diagnosis for IPM protection and compressor overcurrent.

Anti-High Temperature and Overload Protection

Diagnosis for anti-high temperature and overload protection.

Failure to Start Up Malfunction

Diagnostic process for failure to start up malfunctions.

Compressor Synchronism Diagnosis

Diagnostic steps for compressor synchronism issues.

Overload and Discharge Malfunction Diagnosis

Diagnosis for overload and discharge malfunctions.

Communication Malfunction Diagnosis

Diagnostic process for communication malfunctions.

Outdoor Communication Circuit Diagnosis

Diagnosis process for the outdoor communication circuit.

9.4 Troubleshooting for Normal Malfunction

Troubleshooting: Unit Startup Issues

Troubleshooting steps for when the air conditioner cannot be started.

Troubleshooting: Cooling;Heating Performance

Troubleshooting steps for poor cooling or heating performance.

Troubleshooting: Outdoor Fan Motor

Troubleshooting steps for ODU fan motor operation issues.

Troubleshooting: Compressor Operation

Troubleshooting steps for compressor operation issues.

Troubleshooting: Refrigerant Leaks

Troubleshooting steps for refrigerant leak issues.

11. Removal Procedure

11.2 Outdoor Unit Removal Procedure

Outdoor Unit Removal (24 K Models)

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