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DC Inverter Multi VRF System II
Service Manual
CONTROL
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 rst 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 nd “Port (COM and LPT)” in the right column. Click
its .