Gree GWC12QC-A3DNA5K User Manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: GWC09QB-A3DNA5E
GWC09QB-A3DNB8E
GWH09QB-A3DNA5E
GWH09QB-A3DNB2E
GWH09QB-A3DNB8E
GWH12QC-A3DNC8E
GWC12QC-A3DNA5E
GWC12QC-A3DNA5K
GWC12QC-A3DNB8E
GWH12QC-A3DNA5E
GWH12QC-A3DNA5K
GWH12QC-A3DNB2E
GWH12QC-A3DNB8E
GWH12QC-A3DNB2K
GWC12QC-A3DNB2K
GWH12QC-A3DNC2E
GWC12QC-A3DNC8E
GWH12QC-A3DNB8K
GWH09QB-A3DNB8K
GWH09QB-A3DNC2E
GWC12QC-A3DND8K
GWC12QC-D3DNC8H
(Refrigerant R410A)

Gree GWC12QC-A3DNA5K Specifications

General

Brand	Gree
Model	GWC12QC-A3DNA5K
Category	Air Conditioner
Language	English

Summary

Part Ⅰ : Technical Information

2. Specifications

Detailed technical specifications for various unit models.

4. Refrigerant System Diagram

5. Electrical Part

Diagrams and information related to electrical connections and components.

6. Function and Control

Explanation of operational modes, functions, and controls.

2.4 Cooling and Heating Data Sheet in Rated Frequency

5. Electrical Part

5.1 Wiring Diagram

Diagrams showing electrical connections for indoor and outdoor units.

5.2 PCB Printed Diagram

6. Function and Control

6.4 Brief Description of Modes and Functions

(10)Refrigerant recovery function:

2. Basic Functions

(1) Cooling Mode

Conditions and processes for cooling operation.

(2) Dehumidifying Mode

Conditions and processes for dehumidifying operation.

(3) Air-supplying Mode

(4) Heating Mode

Conditions and processes for heating operation.

3. Special Functions

Defrosting Control

4. Control Logic

Protective function for discharge temperature of compressor

(7)Communication fault

(10)Compressor overloads protection

(11)Phase current overcurrent protection of compressor

(12) Starting-up Failure Protection for Compressor

(17) Failure Detection for Sensor

Part Ⅱ : Installation and Maintenance

7. Notes for Installation and Maintenance

Important safety precautions and guidelines for installation and maintenance.

Safety Precautions for Installing and Relocating the Unit:

Crucial safety warnings and advice for unit installation and relocation.

8. Installation

8.3 Selection of Installation Location

Criteria for choosing optimal indoor and outdoor unit locations.

8.4 Requirements for electric connection

Electrical safety and connection standards for installation.

8.5 Installation of Indoor Unit

Detailed steps for mounting and connecting the indoor unit.

8.6 Installation of Outdoor Unit

Steps for correctly mounting and securing the outdoor unit.

8.7 Vacuum Pumping and Leak Detection

1. Use Vacuum Pump

Detailed steps for using a vacuum pump.

2. Leakage Detection

Methods for detecting refrigerant leaks.

8.8 Check after Installation and Test Operation

1. Check after Installation

Checklist for verifying installation completeness.

2. Test Operation

Procedures for testing unit functionality.

9. Maintenance

9.1 Error Code List

List of error codes and their corresponding malfunctions.

9.2 Procedure of Troubleshooting

(1) Malfunction of Temperature Sensor F1, F2

Troubleshooting steps for temperature sensor malfunctions.

(2) Malfunction of Blocked Protection of IDU Fan Motor H6

4. Communication malfunction E6

(1) Capacitor charge fault (Fault with outdoor unit)

(2) IPM Protection, Out-of-step Fault, Compressor Phase Overcurrent (AP1 below refers to the outdoor control panel)

(3) High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit)

(4) Start-up failure (following AP1 for outdoor unit control board)

(5) Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit)

(6) Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board)

(7) Power factor correct or (PFC) fault (a fault of outdoor unit)

(8) Communication malfunction: (following AP1 for outdoor unit control board)

5. Compressor Cant Operate

4. ODU Fan Motor Cant Operate