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Gas Burner Assembly

Upper Burner System-Operational Sequence

Gas Burner Assembly

Upper Burner System-Operational Sequence

¾With ignition present on the upper burners, the upper ignition

module must sense that flame is present.

¾This is accomplished through flame rectification.

¾The upper ignition module applies a voltage between the flame

sensor and ground (the burner). With a flame present between

the flame sensor and ground, the flame completes the circuit’s

path. Rectification occurs through the flame and a small DC

current can be sensed.

¾This measurement can be taken from the upper ignition module

and anything above 0.7 μA proves that flame is present.

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Duke FLEXIBLE BATCH BROILER Spezifikationen Seite 50