Sterownik spalania EBM Papst 968MN_3Rg4a 8220007015 375412901

This article is a combustion controller, also known as a burner control, manufactured by EBM Papst. It is listed with the manufacturer code 375.412.901, catalogue article 375.412.901-2, and the alternative reference 8220007015. The controller is designed to manage the ignition, operation, and safety functions of a burner or boiler system. Combustion controllers of this type orchestrate the ignition and safety sequence: upon a heat demand, they start the pre-purge fan, energise the ignition transformer, open the gas valve or oil solenoid, and monitor the flame signal from an ionisation electrode or UV/IR detector. If no flame is proved within the safety time, the controller locks out. During modulation, it varies air supply and fuel to match the heating load, following feedback from temperature sensors or a modulating control signal. The controller also interacts with auxiliary components such as the air pressure switch, gas pressure switch, and limit thermostats to ensure safe operation. When selecting a replacement, ensure that the controller matches the original in terms of flame detection type (ionisation, UV), voltage supply, safety time settings, and whether it supports one-, two-stage or fully modulating burners. Also confirm the number of pins and the wiring configuration of the connection socket, as these vary between manufacturers. A mismatch in the lockout time or the valve proving sequence can prevent the system from operating correctly.