Shutting Down - Viessmann VITOFLEX 300-UF Operating Instructions Manual

Start-up/shutdown
Starting up
(cont.)
Silo filling
When the "Silo filling" function is activated, the boiler
runs through the start cycle up to the point of ignition.
Instead of igniting, the boiler then switches back to
operating phase "OFF"
boiler skips the operating phase "Filling" and switches
directly to the "Ignition" phase.
Requirements
■ External charging or cycle control
■ Heating system is not in operation for 6 hours

Shutting down

Switch off the system with the
The control unit switches the system off automatically.
16
. When it next starts up, the
button.
1. In the default display, tap the boiler symbol
The overview of the "Mode" page is displayed.
2. Start the function via the
For the "Automatic shutdown" function, see
page 38.
"Silo filling" button.