The RDF302, RDF302/VB and RDF302.B are communicative thermostat with Modbus open protocol on RTU (Remote Terminal Unit) mode enabling easy integration into BACS via RS-485.
The following Modbus functions are available:
Central controls of room operating modes, setpoints, fan speed and fan mode
Remote monitoring e.g. operating mode, control outputs, temperature sensor or switch, etc.
Alarming, e.g. external fault contact, condensation, clean filter, etc.
Outside temperature or time of day via bus displayed on thermostat
Key lock
Engineering and commissioning can be done using…
– local DIP switches / HMI
– via Modbus commissioning tool