16
Note
You can check the current pressure
in the heating system.
Press / until "IF00" is shown on
the additional display. The main dis-
play shows the pressure in mega-
pascals (MPa).
The minimum permissible system
pressure is 0.08 MPa.
Shutting down the heating system
■ If you do not intend using your heat-
ing system for a while, such as during
a summer holiday, switch off central
heating and DHW heating (see
page 27).
■ You can switch your heating system
OFF at the ON/OFF switch if you do
not intend using it.
We recommend you contact your
heating contractor if you are planning
to take your heating system out of
use for long periods.
Your heating contractor can then take
suitable steps, such as frost protec-
tion for the system or heating surface
preservation, as required.
Shutting down the heating system
1.
Turn ON/OFF switch
A
OFF.
The display goes blank.
Start-up/shutdown
Starting the heating system
(cont.)
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