Gree GMV-615WM/B-X

Owner's Manual
Air Conditioners
Models:
GMV-224WM/B-X
GMV-280WM/B-X
GMV-335WM/B-X
GMV-400WM/B-X
GMV-450WM/B-X
GMV-504WM/B-X
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■
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GMV-2460WM/B-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 sent 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.
D.C. Inverter
Multi VRF Modular

Gree GMV-615WM/B-X Specifications

General

Power Supply	380-415V/3Ph/50Hz
Refrigerant	R410A
Operating Temperature (Cooling)	-5°C to 48°C
Type	VRF
Operating Temperature (Heating)	-20°C to 24°C

Summary

Safety Precautions

Safety Precautions

General safety guidelines and warnings for installation and operation.

Installation Instruction

Physical Dimension of the Outdoor Unit and Mounting Hole

Connection Pipe

Explains the piping system, including diagrams and specifications for connecting units.

Connection Pipe among Outdoor Modules

Fitting pipe between Outdoor Unit and the First Manifold

Installation of the Connection Pipe

Precautions when installing the connection pipe

Outlines essential safety and procedural guidelines for installing connection pipes.

Y-type manifold

Thermal insulation for pipeline

Air Purging and Refrigerant Charge

Air purging

Explains the procedure for removing air from the system using a vacuum pump.

Additional refrigerant charging

Guides on calculating and adding refrigerant for extended pipe lengths.

Electric Wiring

Wiring precautions

General rules and safety measures for electrical wiring installations.

Wiring of power cord

Provides specifications and diagrams for connecting the power cord.

Connection of power cord

Details the steps and precautions for connecting external power cords.

Connection Method and Steps for System Communication

Communication connection between IDU and ODU

Illustrates how to connect indoor and outdoor units for communication.

Communication connection between IDU and wired controller

Details methods for connecting indoor units to wired controllers.

Communication connection between duct type IDU and light board receiver

Communication connection of central controlling units

External Electrical Wiring Diagram

External wiring diagram of a single unit

Shows the electrical wiring for a single unit installation.

External wiring diagram of modular connection

Check Items after Installation and Trial Run

Check Items after Installation

Trial Run

Appendix: judgment reference of normal operational parameters

Common Malfunction and Troubleshooting

Error Indication