Duke FLEXIBLE BATCH BROILER Spécifications télécharger pdf (Page 52)

Gas Burner Assembly

Lower Burner System-Operational Sequence

Gas Burner Assembly

Lower Burner System-Operational Sequence

¾With ignition present on the lower burner, the lower ignition

module must sense that flame is present.

¾This is accomplished through flame rectification.

¾The lower 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 lower ignition module

and anything above 0.7 μA proves that flame is present.

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Duke FLEXIBLE BATCH BROILER Spécifications Page 52