Siemens Room thermostats with KNX communications RDG100KN automatic or manual fan speed control device. KNX bus communication (S-mode and LTE mode). Outputs for On/Off, PWM, 3-position or DC 0…10 V control. Outputs for 3-speed, 1-speed, or DC (DC 0…10 V) fan. 3 multifunctional inputs for keycard contact, external sensor, etc. Operating modes: Comfort, Economy and Protection. Operating Voltage: AC 230 V.
The applications selectable:
- 2-pipe system
- 2-pipe system with electrical heater
- 2-pipe system and radiator/floor heating
- 4-pipe system
- 4-pipe system with electrical heater
- 2-stage heating or cooling system




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