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Vitoflex 300-RF Installation & Operating
Sub-area Screens for the Boiler
The sub-area screens are accessed from the default
display, via buttons “Fuel”, “Secondary air”, “Flow”
and “Flue gas fan”.
Fuel
Legend
A
Displays boiler output in %
B
“Fuel supply”
Green arrow is animated: Fuel supply active
___/”empty”: Light barrier for firebed is clear
___/”full”: Light barrier for firebed is interrupted
button: Activate manual supply
button: Activate automatic supply
C
“Combustion chamber ash removal”
Green arrow is animated: Ash removal active
___/”Free”: Light barrier for ash removal is clear
___/”interrupted”: Light barrier for ash removal is
interrupted
button: Activate manual ash removal
button: Activate automatic ash removal
Secondary air
Legend
A
Displays actual and set oxygen content in the flue
gas in %
B
Displays actual and set opening of the primary air
damper in %
The position of the damper shows the current
opening:
C
Displays actual and set opening of the secondary
air damper in %
The position of the damper shows the current
opening:
Flow
Legend
A
Displays actual and set return temperature in °C
B
Displays actual and set supply temperature in °C
C
“Flow control”
button: Activate manual flow control
button: Activate automatic flow control
D
“Return mixer”
Displays return mixer setting
button: Activate manual mode for return mixer
button: Activate automatic mode for return mixer
Further Settings