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Communication Adaptor to BMS Connection


Serial Interface for 3rd Party External Controllers

Optional CZ-CFUNC2 adaptor enables seamless connection with 3rd party BMS systems.
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Photo of CZ-CFUNC2

Up to 128 indoor units can be connected to one communication adaptor.

A/C unit settings: Unit ON/OFF, mode-change, temperature, central control setting, etc.

A/C unit status: Unit ON/OFF status, operation mode, set temperature, central control setting, etc.

Rated Voltage Single phase 100-240V~
Rated Frequency 50-60Hz
Power Consumption 5.6W max
Operating Temperature –10 to +50°C
Operating Humidity 20 to 80% (No condensation)



BMS Connectivity Example Using CZ-CFUNC2

A) RS-485/RS-232C Adaptor (Field supply). B) BMS Manufacturer Adaptor (Field supply). C) Communication Adaptor. D) Max. 16 system Connectable I/D units: Max. 512. E) Max. 64 I/D. 1) RS-485/RS-232C. 2) Group Control. 3) Remote Controller.
* Consult your authorised dealer for details.
BMS Connectivity Example Using CZ-CFUNC2