Buffer Cylinder - Viessmann VITOFLEX 300-UF Operating Instructions Manual

Subsection pages for the boiler
Green arrow animated: Fuel supply active
"Clockwise" rotation
"A-clockwise" rotation
Green arrow animated: Fuel supply active
Secondary air
Tab "Secondary air/primary air"
Tap on the "Secondary air" button.
Flame
"Recirculation fan"
Utilisation level of recirculation fan in %
"Combustion chamber, bottom"
Actual and set combustion chamber temperature,
bottom, in °C
"Recirculation fan animated"
Recirculation fan active
Flow
"Flow" Actual and set flow temperature in °C
"Return" Actual and set return temperature in °C
Flue gas fan
"Flue gas fan" utilisation level in %
"Vacuum pressure" Actual and set vacuum pres-
sure in Pa
"Flue gas fan"
Fan animated: Flue gas fan active
Subsection pages for auxiliary systems
The subsection pages for auxiliary systems are called
up as follows:
1. In the footer of the default display, tap on
2. In the overview, tap the following buttons:

"Buffer cylinder"

"Default set value"
"Boiler 2"
Buffer cylinder
"Fill level" Actual and set fill level temperature in °C
"Return" Actual and set return temperature in °C
"Return mixer"
(cont.)
"Free" Light barrier for ash removal is clear
"Interrupted" Light barrier for ash removal is
interrupted
"Secondary air damper"
Actual and set secondary air damper utilisation level
in %
"Oxygen content"
Actual and set oxygen content in the flue gas in %
"Recirculation damper"
Opening of recirculation damper in %
The damper's current opening position is depicted as
an animation.
"Fresh air damper"
Opening of fresh air damper in %
The damper's current opening position is depicted as
an animation.
"Flow control"
"Return mixer" Opening of boiler valve in %
In the window of the subsection pages for auxiliary
systems, you can use tabs to switch to other subsec-
tions.
Return mixer setting with actual values for buffer
temperature sensors 1 (top) to 5 (bottom)
Further checks and manual mode
35