Gree GMV-24WL/C-T, Service Manual, Page: 58 / 150

GREE DC Inverter Side Discharge VRF
Ⅱ
for North America
55
4.4.6 Usage of USB Converter
(1) Usage of converter
Gree commissioning software should be connected with CAN interface when converter is used. For
air conditioners with a single system, connect D1 and D2 interfaces of the wiring board. For air
conditioners with multiple systems, connect G1 and G2 interfaces of the wiring board.
Gree monitoring software should be connected with RS485 interface when converter is used.
Connect outdoor or indoor units or the mainboard of wired controller according to actual needs.
HBS, CAN and RS485 of the converter can be switched by buttons. Press the button “SET” on the
converter to realize the conversion among HBS, CAN and RS485 interfaces. You can check the setting
through the function LEDs.
Notice: If it’s the first time your PC uses Gree USB data converter, in order to prevent Gree USB
data converter from being mistaken by your computer as other devices and make sure your mouse can
work well, it is necessary to turn off the Serail Enumerator of computer after Gree USB data converter is
connected. Below are the steps:
Step 1: Right-
click ”My Computer” on the desktop and click ”Manage”.