GREE DC Inverter Multi VRF System II Service Manual
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kits. In a single-system network, both indoor units and outdoor units can be connected, while in a
multi-system network, only the master outdoor unit can be connected.
3.3 Parts introduction
3.3.1 List of parts
Gree USB data converter MC40-00/B
30118027
Convert the air conditioning communication
into computing communication
Gree Commissioning Tool Kits
(CD-ROM)
DG40-
Include Gree debugger, monitoring software,
USB drive
r and USB converter
USB wire \ 40020082
Wire connecting computer’s USB interface
and converter
Communicaiton board \ 30118015
This board can be used when units are far
from the computer.
Board connection wire (1m)
4-core wire connecting units and converter
Board connection wire (5.5m)
4-core wire connecting units and converter
3.3.2 Gree USB data converter
3.3.2.1 Functions introduction
Gree USB data converter will convert the RS485, HBS and CAN commucation within the air
conditioners into the communication that is recognizable by computer’s USB interface.
3.3.2.2 Appearance