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AB
Flow temperature
in °C
110
Outside temperature
in °C
3.5
1.4
0.2
-20
C
Set room temperature in °C
35 30 25 20 15 10 5
Fig. 15
AIf you change the slope:
The steepness of the heating curves changes.
BIf you change the level:
The heating curves are shifted in parallel in a verti-
cal direction.
CIf you change the standard room temperature (set
room temperature):
The heating curves are shifted along the "Set room
temperature" axis.
Note
Setting the slope or level too high or too low will not
cause any damage to your heating system.
Both settings affect the level of the flow temperature,
which may then be too low or unnecessarily high.
Heating/cooling circuits
A heating circuit or cooling circuit is a sealed unvented
circuit between the consumers (e.g. underfloor heating
system), in which the heating water or coolant circu-
lates. With several heating circuits and cooling circuits,
the residential units in a building can be supplied sepa-
rately, e.g. one heating circuit for your apartment and
one heating circuit for a separate apartment.
If different types of consumers (e.g. underfloor heating
and radiators) are installed in a residential unit or build-
ing, these consumers are normally connected to differ-
ent heating or cooling circuits.
Different flow temperatures are possible simultane-
ously for the different heating/cooling circuits.
Heating/cooling circuits
Heating circuit
A heating circuit heats your rooms, e.g. via the radia-
tors.
Heating/cooling circuit
A heating/cooling circuit heats your rooms in winter
and cools them in summer, e.g. via an underfloor
heating system.
Designations for heating/cooling circuits
The heating/cooling circuits are designated "Heating
circuit 1", "Heating circuit 2" etc. at the factory.
If you or your qualified contractor have renamed the
heating/cooling circuits, e.g. as "Apartment", that name
will be displayed instead of "Heating circuit ...".
Appendix
Terminology (cont.)
6199646
62


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