Device characteristics Controller for boilers with draught The controller is equipped with: – three-digit numeric display; – controls for switching on the pump and blower, as well as the control indicating the occurrence of the emergency situation and lack of fuel; – control indicating the condition of the controller: READINESS (control does not light up), INFLAMING (control flashes), OPERATION (control lights up), EXTINCTION (control flashes), NO FUEL (control lights up); – lights indicating the currently displayed parameter; – buttons for selecting the current parameter; – buttons for changing he value of the current parameter; – button [START/STOP] for starting/ stopping the combustion process; – main power switch (controller connector); – fuse (controller connector);