Riello Array AR 4000 - Burner Ignition Sequence Flowchart

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SHUTDOWN
63
APPENDIX
BURNER IGNITION SEQUENCE
Start burner
Pre-Purge 0
Pre-Purge 1 Fan on ignition speed
Blocking error
Pre ignition on
Ignite: ignition on,
Gas Valve open
Flame Proving,
Checking flame
Locking error
Burn
Fan on
ignition
speed within
time?
Flame Current
Above Minimal
Current?
Ignition Tries
less than 3?
NO
NO
NO
YES
YES