Operating instructions

30
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.
4. If the control unit had already been
switched on before filling began:
Switch control unit ON and activate
filling function (see next chapter).
5.
Close boiler drain & fill valve A.
Activating the filling function
Weather-compensated control unit Constant temperature 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
.
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
.
Language selection – only for weather-compensated control
units
At the commissioning stage, the display
is in German (factory setting).
Extended menu:
1. å
2. "Einstellungen"
3. "Sprache"
4. Select the required language with
/ .
Sprache
Dansk
Cesky
Bulgarski
Deutsch
Wählen mit
ê
ê
ç
DE
BG
CZ
DK
ê
ê
(
Setting the time and date - only for weather-compensated control
units and for timer controlled constant temperature units
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"
3. "Time / Date"
4. Set current time and date.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5772 909 GB