Heating system control
Observation
It is too cold
It is too warm
From now on, equal day and
night temperatures should be
maintained continuously
This evening, the heating
should remain on for longer
A larger amount of hot water
is required
From now on, hot water but no
heating is required
Suddenly, there is no heating
or hot water; it is cold
The room temperature setpoint
requires frequent adjustments
because it is too cold or too
hot
Today, I will be absent for sev-
eral hours during the day
I am travelling for a short pe-
riod of time (e.g. 3 days)
I will be travelling for an indefi-
nite period of time
In summer, it is too cold or too
warm.
Remedy
Set a higher value for the room temperature with
and the
rotary pushbutton (page 17).
Set a lower value for the room temperature with
and the
rotary pushbutton (page 17).
Set the operating mode to “HEATING”
with
� � �
(page
22).
Set the operating mode to “PARTY”
with
� � �
and set the
desired time (pages 19-21).
Press for 3 seconds and set the additional loading time (page
32).
Set operating mode to “SUMMER”
with
� � �
(heating off, only hot water) (pages 19-22).
Check the boiler controller for alarms and consult a heating
engineer, if necessary. Check main switch (see page 13).
Change the set heating curve (page 29).
Changing the heating curve is not sensible if your system is
fitted with a room sensor (or room station) and an outdoor sen-
sor. The correct settings for the heating curve are then provided
automatically. Consult a specialist, if necessary.
Set the operating mode to “ABSENT TIL”
with
� � �
and
set the return time (pages 19-22).
Set the operating mode to “HOLIDAY TIL”
with
� � �
and
set the return date (page 20).
Set the operating mode to “RED. HEATING”
with
� � �
.
When returning, set the operating mode to “AUTOMATIC”
� � �
(page 20).
Indicates
that the summer disconnection is active. If it is
too cold, set the operating mode to “HEATING”
with
� � �
(page 17, 22).
6.4.3 What to do if...
The following information can be used as a first level support in frequently
occurring situations.
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