Semi flush-mount room thermostats with RS485 Modbus communications
RDF302
For 2-pipe, 2-pipe with electrical heater, and 4-pipe fan coil units
For use with compressors in DX type equipment
• RS485 communicative interface in Modbus RTU slave mode
• Backlit display
• 2P / PI / P control
• Outputs for on/off or 3-position control
• Outputs for 3-speed or 1-speed fan
• 2 multifunctional inputs for keycard contact, external sensor, etc.
• Operating modes: Comfort, Economy and Protection
• Automatic or manual fan speed control
• Automatic or manual heating/cooling changeover
• Minimum and maximum limitation of room temperature setpoint
• Control depending on the room or the return air temperature
• Adjustable commissioning and control parameters via local HMI or RS485 Modbus
• Mounting on recessed rectangular conduit box, 60.3 mm fixing centers
• AC 230 V operating voltage