Gree GMV MTAC VRF Series, Service Manual

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Gree GMV MTAC VRF for North America
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(2) Usage of converter configuring software:
When the converter is working, hold the button “SET” for 5 sec. Function LED will be flickering,
indicating that the converter has enter the baud rate setting mode. Then you can use the converter
configuring software to set the baud rate of converter. Baud rate supported by the converter (baud
rate of air conditioner’s communication interface matches with the baud rate of USB interface
automatically):
Ex-factory defaulted baud rate: (unit: bps)
AC is connected with Baud rate of air conditioner interface Baud rate of USB interface
CAN 20000/50000 self-adaptive 115200
HBS 57600 38400
RS485 9600 9600
Baud rate look-up table for RS485 interface (unit: bps)
RS485 interface 4800 9600 19200 38400 57600 115200
USB interface 4800 9600 19200 38400 57600 115200
Baud rate look-up table for HBS interface (unit: bps)
HBS interface 9600 19200 38400 57600
USB interface 4800 9600 19200 38400
Baud rate look-up table of CAN interface (unit: bps)
CAN interface 20000 50000 100000 125000
USB interface 115200 115200 256000 256000
Double-click the desktop shortcut.