Gree GMV-Y36WL/A-T, Service Manual

Page: 27 / 147

GREE Photovoltaic Multi VRF for North America
25
single-system network, indoor units or outdoor units are connectable, while in the
multi-system network, only the master outdoor unit can be connected.
Seen from the diagram, Gree commissioing network is made up of 3 parts:
The 1st part is the monitoring computer, including Gree debugger and Gree USB
converter driver that are installed in the computer.
The 2nd part is Gree USB converter, which is to convert the air conditioning
communication into computing communication. This part is made up of Gree USB data
converter and USB data wire.
The 3rd part is air conditioners, including outdoor units, indoor units and the
connection wires. If connection wire is not long enough, it’s OK to connect via the patching
board of the commissioning tool 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.
4.3 Parts introduction
4.3.1 List of parts
Name Model Material no. Remark
Gree USB data converter MC40-00/B 30118027
Convert the air conditioning
communication into computing
communication
Gree Commissioning Tool
Kits (CD-ROM)
DG40-33/A(C) 36400000003
Include Gree debugger, monitoring
software, USB driver and USB
converter configuring software.
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) \ 4001023229
4-core wire connecting units and
converter
Board connection wire
(5.5m)
\ 4001023214
4-core wire connecting units and
converter
Instruction manual \ 64134100023 Instruction manual
4.3.2 Gree USB data converter
4.3.2.1 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.