Gree GMV-100WL/A-T, Service Manual, Page: 56 / 173

GREE DC Inverter Multi VRF System II Service Manual
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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.
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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”.
Step 2: In the pop- up window, select “Device Manager” in the left column and then find “Port
(COM and LPT)” in the right column. Click its .