Gree GMV-PD100W/NAB-K Service Manual page 56

DC Inverter Multi
VRF Service Manual
4) Installation Criteria:
It must be installed indoors to avoid knock, insolation or rainwater and is better to be put in centralized
control cabinet
This device must be the original one in the factory. Never self-buy the models for replacement.
220-V AC socket must be installed for independent power supply.
8.3.3 Communication Module (standard parts)
1) Function Introduction
Communication module is used for conversion and transfer of signal of PC and air conditioner during
the communication of them, making the role of communication controller. Refer to User Instruction to
Communication Module for details.
2) Dimension:
Power
52
Description
Communication module
RS232
102
75
L(mm) W(mm)
150 102
150
H(mm)
30