Fuel; Secondary Air - Viessmann Vitoflex 300-UF Service And Maintenance Instructions

Troubleshooting

Fuel

Secondary Air

34
Vitoflex 300-UF Service & Maintenance
Legend
A Fuel factor, value range 0 to 1
B Feed cycle time in %
C "Fuel supply"
Green arrow is animated: fuel feed active
___/"Free": light barrier of the feed screw conveyor
is clear
___/"interrupted": light beam [of the light barrier]
of the feed screw conveyor is interrupted
D "Combustion chamber ash removal"
Green arrow is animated: ash removal active
___/"Free": Light barrier for ash removal is clear
___/"interrupted": Light beam of [the light barrier]
for ash removal is interrupted
If you tap the "Secondary air/Primary air" key in the
default display, the following screen is shown.
Tap on the following key:
"Secondary air"
The following sub-area screen appears.
Legend
A Display of actual and set oxygen content in the flue
gas in %
B Display of actual and set secondary air fan utilization
level in %
C "Secondary fan"
Fan animated: secondary air fan active