A two-channel measurement of the boiler water temperature and the outside air. A position proportional control of boiler water according to the outside temperature via the servo valve. Additional digital input to activate the temperature reduction mode.

Number of analog inputs: 2
Input type: temperature probe Pt100, Pt1000
Type of control: PID position proportional
Number of relay outputs: 2
Instrument housing: 1/8 DIN panel
Power supply: 85-250Vac, 24Vac/dc