UNISTER - electronic solid fuel boiler draft regulator, controlling the air inlet flap and the central heating pump 201303

The electronic UNISTER draft regulator is designed to control the temperature of a solid fuel boiler by opening and closing the flap regulating the air supply to the furnace. Additionally, the device controls the operation of the circulation pump.
The measuring device has the following functions:
maintaining the set temperature of the boiler by controlling the air intake
the function of supporting the combustion process, the so-called blowing
automatic shutdown of the control after extinguishing the boiler
the flap is lowered in the event of a power failure
closing the air inlet when adding fuel to the boiler
control of the central heating circulation pump
COMFORT SYSTEM function, which protects the pump against limescale
function of protecting