Burner control unit
Burner control unit
Status Service
Status Service
Status Service
Status Service
Status Service
Status Service
Status Service
42
(cont.)
Operation with flame
Reheat
Post-purge
Maintenance program
No air pressure
Maintenance program
No gas pressure or
mains undervoltage
Forced ventilation when no
flame was recognised
Safety shutdown
due to flame tear-off
Safety shutdown due to reaching
maximum boiler water temperature