Changing The Language (If Required); Setting The Time And Date (If Required) - Viessmann VITOLADENS 300-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
2. Fill the heating system via boiler drain
& fill valve A in the heating return (at
the connection set or on site). Mini-
mum system pressure 0.8 bar
(80 kPa).
Note
If the control unit has not been
switched on prior to filling the system,
then the servomotor of the diverter
valve will still be in its central position,
and the system will be completely fil-
led.
3. If the control unit was already on
before filling began:
Restart control unit and activate filling
function (see next chapter).

Changing the language (if required)

At the commissioning stage, the display
is in German (factory setting).
Extended menu:
1. å
2. "Settings"
3. "Language"
4. Set the required language with / .

Setting the time and date (if required)

The time and date need to be reset dur-
ing commissioning or after a prolonged
time out of use.
Extended menu:
1. å
2. "Settings"
26
(cont.)
4. Close boiler drain & fill valve A.
5. Close the shut-off valves on the heat-
ing water side.
Activating the filling function
1. Press OK and å simultaneously
for approx. 4 s.
2. "Service functions"
3. "Filling"
4. Ending filling function:
Press OK or ä.
Sprache
Deutsch
Bulgarski
Cesky
Dansk
Wählen mit
3. "Time/Date"
4. Set current time and date.
DE
ê
ç
BG
ê
CZ
ê
DK
ê
(