The RWF50/55 are used primarily for the control of temperature or pressure in boilers. Whether used independently or as part of an entire Siemens combustion control system, RWF5 units optimize temperature or pressure control on modulating burners.
RWF50 – RWF55 Models:
RWF50.20A9 – Universal controller with 3-position output, thermal shock protection
RWF50.30A9 – Same as RWF50.20A9 with analog output
RWF55.50A9 – Same as RWF50.30A9 with Modbus, setpoint changeover, setpoint shifting, outdoor air reset and limit comparator
RWF55.60A9 – Same as RWF55.50A9 plus Profibus-DP interface
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