GREE U-Match 6 SERIES UNIT SERVICE MANUAL
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(1) Interface instruction:
1) The Unit needs to be connected to the gateway ME50-00/EG(M), its printing is COM_BMS and
interface type is B6B-XH-K3.
2) Electrical characteristic: baud rate: 9600bps; standard: RS485;
3) Working principle:
The indoor mainboard can send out the unit operation state through this interface and receive
logical control information to realize control and monitor of the unit.
Notes:
①
The unit can not be connected to MODBUS and centralized controller at the same time; Only one
of them can be selected.
②
255 sets of unit in maximum can be connected in the same network; The unit addresses in the
same network must be different, otherwise, the unit control will be affected.
③
Perform wiring when the unit power is cut off.
④
MOUBUS Gateway(ME50-00/EG(M)) that need to purchase separately if the indoor unit does not
have a interface of MOUBUS Gateway.Please consult the manufacturer's technician before
ordering.
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