Gree GMV-120WL/A-T - User Manual

Owner's Manual
Air Conditioners
Models:
GMV-120WL/A-T
GMV-140WL/A-T
GMV-160WL/A-T
GMV-120WL/A-X
GMV-140WL/A-X
GMV-160WL/A-X
 Thank you for choosing Air Conditioners, please read this owner’s manual carefully before
operation and retain it for future reference.If you have lost the Owner’s Manual, please contact
the local agent or visit www.gree.com or send email to global@gree.com.cn or electronic
version.
 GREE reserves the right to interpret this manual which will be subject to any change due to
product improvement without further notice.
 GREE Electric Appliances, Inc. of Zhuhai reserves the final right to interpret this manual.
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Gree GMV-120WL/A-T Specifications

General

Cooling Capacity	12.0 kW
Heating Capacity	13.5 kW
Refrigerant	R410A
Type	Multi Split Type
Power Supply	220-240V, 50Hz
Operating Temperature Range (Heating)	-15°C to 24°C

Summary

1 Safety Precautions

General Installation and Electrical Safety

Covers proper installation, grounding, power cord checks, and preventing electrical hazards.

Operational and Environmental Safety

Safe Operation and Maintenance Practices

Details safe operating procedures, cleaning, handling abnormal conditions, and compressor protection.

3 Preparation before Installation

3.2 Installation Site

Guidelines for selecting a suitable and safe location for installing the outdoor unit.

3.3 Piping Work Requirements

Specifies the requirements and specifications for refrigerant piping work.

4 Installation Instruction

4.2 Connection Pipe

Explains the piping connection methods and diagrams for the system.

4.2.1 Schematic Diagram of Piping Connection

4.2.2 Allowable Length and Height Difference of Connection Pipe

4.3 Installation of Connection Pipe

Instructions and precautions for installing the refrigerant connection pipes.

4.3.1 Precautions for the Installation of Connection Pipe

4.3.4 Indoor Pipe Connection

4.3.5 Outdoor Pipe Connection

4.3.7 Thermal Insulation for Pipeline

4.4 Disassembly of Compressor Feet

4.5 Vacuum Pumping, Refrigerant Adding

Procedures for vacuum pumping and adding refrigerant to the system.

4.5.1 Vacuum Pumping

Steps involved in performing vacuum pumping to remove air from the system.

4.5.2 Refrigerant Adding

Guidance on calculating and adding the correct amount of refrigerant.

4.6 Electric Wiring

Instructions and guidelines for electrical wiring of the system.

4.6.1 Notices for Wiring

Important notices and precautions to follow during electrical wiring.

4.6.2 Wiring Diagram

Provides wiring diagrams for connecting indoor and outdoor units.

Selection of circuit breaker and power cord

5 Check Items after Installation and Test Operation

5.1 Check Items after Installation

A checklist of items to verify after the installation is completed.

5.2 Test operation and debugging

Steps for conducting test operations and debugging the system.

5.2.1 Prepare the test operation and debugging

Preparatory steps and checks before initiating test operation and debugging.

5.2.2 Test Operation and Debugging

6 Common Malfunctions and Troubleshooting

7 Error Indication

8 Function Setting of Outdoor Unit

9 Maintenance and Care