10
Venting the boiler by flushing
B
A
1.
Close the shut-off valves on the heat-
ing water side.
2.
Connect the drain hose at boiler drain
& fill valve
B
(on the connection set,
accessories or on-site).
3.
Open valves
A
and
B
and vent
using mains pressure until no more
air noise is audible.
4.
Close valves
A
and
B
and open
the heating water shut-off valves.
Selecting the language (if required) – only for weather-compen-
sated control units
Note
At the commissioning stage, the display
is in German (default setting)
Extended menu:
1.
å
2. "Settings"
3. "Language"
Sprache
Cesky
CZ
Deutsch
DE
Dansk
English
DK
GB
Wählen mit
Ø
ç
4.
Set the required language with
/
.
Setting the time and date (if required) – only for weather-com-
pensated control units
During commissioning, or after pro-
longed time out of use, the time and date
need to be reset.
Extended menu:
1.
å
2. "Settings"
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 843 GB