Gree GMV series User Manual

GMV DC Inverter VRF
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4.8 Connection Method and Steps for System Communication
4.8.1 Communication connection between IDU and ODU
NOTICE!
The centralized controller can be installed when it is necessary.
Connect IDU and ODU via terminal D1/D2 of wiring board XT2. Below are the connection
graphics of single unit and modular units:
Fig.51 Connection of single unit
Fig.52 Connection of modular unit

Gree GMV series Specifications

General

Type	Variable Refrigerant Flow (VRF)
Compressor Type	Inverter Scroll Compressor
Refrigerant	R410A
Energy Efficiency	High Efficiency
Control	Centralized control, individual control
Operating Temperature Range (Heating)	24°C
Noise Level (Indoor Unit)	19 - 45 dB(A)