Filling The Dhw Cylinder On The Dhw Side; Selecting The Language - Only For Weather; Compensated Control Units - Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual

Further details regarding the individual steps
Activating the filling function
Weather-compensated control unit
Service menu
1. Press OK and å simultaneously for
approx. 4 s.
2. "Service functions"
3. "Filling"
Filling function is enabled.
4. Ending filling function:
Press OK or ä.

Filling the DHW cylinder on the DHW side

Selecting the language - only for weather-compensated control
units
At the commissioning stage, the display
is in German (factory setting).
Extended menu:
1. å
2. "Einstellungen"
Commissioning, inspection, maintenance
(cont.)
Constant temperature control unit
Service menu
1. Press OK and å simultaneously for
approx. 4 s.
2. Select "4" and confirm with OK.
"ON" flashes.
3. Activate the filling function with OK.
"bF on" is shown constantly.
4. Ending filling function:
Press ä.
1. Lever on valve B must be in the
"left" position.
2. Open on-site DHW supply and a
DHW draw-off point.
3. Once air stops coming out of the
DHW draw-off point, the DHW cylin-
der is completely filled.
3. "Sprache"
4. Select the required language with /
.
37