Settings
6 720 645 504 (2011/04) en
59
> Highest permitted flow temperature T1
B Change to 100 °C at External heat source.
1)
The value that is set in Lowest permitted flow
temperature T1.
> Lowest permitted flow temperature T1
B Set the highest and lowest permitted temperature for
T1. Ensure that the value corresponds with the
selected curve and possible curve adjustments.
B Check also that the highest temperature T1 with
Underfloor does not exceed the permitted value for
the type of floor used.
> Heat curve
The heat curve constitutes the basis for the control
unit's control of the temperature on the heating water to
the circuit and indicates how high it needs to be in
relation to the outdoor temperature. The control unit
increases the temperature of the heating water when the
outdoor temperature drops. The temperature of the
heating water out to the circuit, i.e. the flow temperature
is measured by sensor T1 for circuit 1 (full name E11.T1)
and sensor T1 for circuit 2 (full name E12.T1).
Each circuit is controlled by its own heat curve. In Type
of heating system, a curve can be selected for Radiator
or Underfloor. The curve for Underfloor has lower
values because the floors do not require high
temperatures.
Fig. 43 Radiator
The figure indicates the factory setting curve for a
radiator circuit. At -2.5 °C the flow set point is 37.4 °C.
Fig. 44 Underfloor heating
The figure indicates the factory setting curve for an
underfloor circuit. At -2.5 °C the flow set point is
27.2 °C.
The right point of the curve (-35 °C) can be
changed in Minimum outdoor temperature
( Chapter 16.1.1). Set value applies for all
heat curves.
A change of the right point affects the flow
temperature for all outdoor temperatures
that are lower than the set temperature.
Factory setting 80.0 °C
Lowest value
1)
Highest value 100.0 °C
Tab. 51 Radiator
Factory setting 45.0 °C
Lowest value
1)
Highest value 45.0 °C
Tab. 52 Underfloor
Factory setting 10.0 °C
Lowest value 10.0 °C
Highest value 80.0 °C
Tab. 53 Radiator
Factory setting 10.0 °C
Lowest value 10.0 °C
Highest value 45.0 °C
Tab. 54 Underfloor
The heat curve forms the basis for set point
value calculation of the flow temperature.
Most other temperatures for heating that
are set refer to room temperature. These
values are transformed by the control unit
into flow temperature values.
6 720 614 789-15.3I
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