Gree GUD100W/NhA-X User Manual

1
U-Match 5 SERIES UNIT SERVICE
MANUAL
(GC202011-VII)
Capacity: 3.5kW~16.0kW
Rate Frequency: 50/60Hz
Operation Range: -20℃~48℃

Gree GUD100W/NhA-X Specifications

General

Brand	Gree
Model	GUD100W/NhA-X
Category	Air Conditioner
Language	English

Summary

Safety Notice

Safety Notice on Maintenance

Safety Notice on Operation

2. Control

2.1 Operation Mode

2.2 Control Mode

3. Troubleshooting

3.1 Wiring Diagrams

3.3 Error Code

Lists all error codes displayed by the unit, along with their corresponding descriptions.

3.4 Troubleshooting

Provides detailed troubleshooting steps for specific error codes encountered during operation.

3.4.1 “E1” Compressor High Pressure Protection

Explains the causes and troubleshooting steps for E1 error (high pressure protection).

3.4.2 “E2” Indoor Anti-freezing Protection

Details the causes and troubleshooting procedures for E2 error (indoor anti-freeze protection).

3.4.3 “E3” Compressor Low-pressure Protection, Refrigerant Shortage Protection, Refrigerant Recovery Mode

Covers E3 error causes and solutions, including low pressure and refrigerant issues.

3.4.5 “E6” Communication Error

Addresses E6 error, focusing on communication failures between unit components.

3.4.8 “F0” Indoor Ambient Temperature Sensor Error

Covers F0 error, related to malfunctioning indoor ambient temperature sensors.

4. Maintenance

4.2 Connection Pipe Vacuum Pumping

4.3 Refrigerant Charging

4.4 Maintenance of Major Components

4.5 Removal of Major Components

4.6 Explosive View and Lists of Parts

4.6.1 ODU Explosive View and Lists of Parts

4.6.2 IDU Explosive View and Lists of Parts