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SKP75... is used as a proportional controller to adjust the gas pressure based on the pressure of the combustion air, ensuring that the gas/air ratio remains constant throughout the entire load range. It is mainly used for burners with forced ventilation.
If the resistance coefficient of the combustion chamber/heat exchanger/flue system is constant, when the output of the burner changes, the combustion chamber pressure changes proportionally with the pressure of the gas and combustion air. In this case, the combustion chamber pressure does not need to be transmitted as a compensating variable to SKP75. However, if the degree of pressure change in the combustion chamber is different from that of gas and air, when this situation occurs in devices equipped with exhaust fans or throttle valves that regulate exhaust gas, the combustion chamber pressure must be transmitted as a variable to SKP75... so that the controller can mitigate the impact of this situation.
SKP75... is used as a proportional controller to adjust the gas pressure based on the pressure of the combustion air, ensuring that the gas/air ratio remains constant throughout the entire load range. It is mainly used for burners with forced ventilation.
If the resistance coefficient of the combustion chamber/heat exchanger/flue system is constant, when the output of the burner changes, the combustion chamber pressure changes proportionally with the pressure of the gas and combustion air. In this case, the combustion chamber pressure does not need to be transmitted as a compensating variable to SKP75. However, if the degree of pressure change in the combustion chamber is different from that of gas and air, when this situation occurs in devices equipped with exhaust fans or throttle valves that regulate exhaust gas, the combustion chamber pressure must be transmitted as a variable to SKP75... so that the controller can mitigate the impact of this situation.