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Heating system control
6.4.3 What to do if...
The following information can be used as a first level support in frequently
occurring situations.
Observation
Remedy
It is too cold
Set a higher value for the room temperature with
and the rotary
pushbutton (page 17).
It is too warm
Set a lower value for the room temperature with
and the rotary
pushbutton (page 17).
From now on, equal day
and night temperatures
should be maintained
continuously
Set the operating mode to “HEATING”
with
� � �
(page 22).
This evening, the heat-
ing should remain on
for longer
Set the operating mode to “PARTY”
with
� � �
and set the desired
time (page 21).
A larger amount of hot
water is required
Press for 3 seconds and set the additional loading time
(page 32).
From now on, hot water
but no heating is requir-
ed
Set operating mode to “SUMMER”
with
� � �
(heating off, only hot water) (page 22).
Suddenly, there is no
heating or hot water; it
is cold
Check the boiler controller for alarms and consult a heating engineer,
if necessary. Check main switch (see page 15).
The room temperatu re
setpoint requires fre-
quent adjustments be-
cause it is too cold or
too hot
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 sensor. The correct
settings for the heating curve are then provided automatically. Consult
a specialist, if necessary.
Today, I will be absent
for several hours during
the day
Set the operating mode to “ABSENT TIL”
with
� � �
and set the
return time (page 21).
I am travelling for a
short period of time
(e.g. 3 days)
Set the operating mode to “HOLIDAY TIL”
with
� � �
and set the
return date (page 21).
I will be travelling for an
indefinite period of time
Set the operating mode to “RED. HEATING”
with
� � �
(page 22).
When returning, set the operating mode to “AUTOMATIC”
with
� � �
(page 22).
In summer, it is too cold
or too warm.
Indicates
that the summer disconnection is active. If it is too cold,
set the operating mode to “HEATING”
with
� � �
(page 22).