Viessmann MPA51 Operating And Service Instructions page 7

Burner control unit
Status Service
Status Service
Status Service
Status Service
Status Service
Status Service
Status Service
Status Service
(cont.)
Start
Heat demand
System tests
Idle state check
Fan ramp-up
Valve check
Pre-purge
Pre-ignition
Safety time
Flame formation
Flame stabilisation
Operation with flame
Burner control unit
7