OVERVIEW The POLA XP66 manages the ventilation system by controlling the fans, flaps, heating and cooling system according to the temperature and relative humidity.FEATURES AND BENEFITS Input for Temperature probe, humidity probe, pressure probe and potentiometer. Relay output to start and stop ventilation. 0-10V output for control fans by inverter. 5 Steps on-off ventilation control. The POLA XP66 records all the parameters of the min-average-max indoor temperature, min-average-max indoor 5RH and heating system working time. Optional control of heating, flap opening/closing, cooling, watch dog and alarms via the use of HDY6 relay extension (sold separately). The POLA XP66 does not come with probes: they must be ordered separately DETAILS Voltage: AC 24V or 230V / DC 12V or 24V Contact Rating: 2 Amps– AC1 IP Rating: IP54 Operating Temperature: -10 °< > +50 °C Dimensions and Weight: Panel Mount: 96mm x 96mm x 58mm (250g) Wall Mount: 170mm x 135mm x 85mm (660g) DOWNLOADS Download the full specification manual PDF here