Settings
6 720 645 504 (2011/04) en
60
Setting of heat curve
A heat curve is set for each circuit. If the room
temperature is perceived to be too high or too low in the
circuit, it is preferable to adjust the curve.
The examples shows the curve for Radiator. The
principle is the same for Underfloor.
The curve can be changed in different ways. The slope of
the curve can be changed by offsetting the flow
temperature upwards or downwards on the left-hand
side (the value at outdoor temperature 20 °C, factory
value 22.0 °C) as well as the right-hand side (the value
at outdoor temperature -35 °C, factory setting 60.0 °C).
In addition, the curve can be affected by every 5th
outdoor temperature degree.
The value at 0 °C is displayed above the curve's left-hand
point, factory value 35.7 °C.
Fig. 45 Settings window Heat curve (radiator)
Change the left point:
B Press the menu dial when the square is marked.
The value is marked.
Fig. 46
B Turn the menu dial to change the value. Press the dial
to save or use to return without saving.
In the window, the square is marked again and any
changed values are displayed after the square. In
addition, the curve is updated according to the new
value.
Change the right point:
B Turn the menu dial when the square is marked. The
upper square is changed to outdoor temperature with
the corresponding curve value after the colon. The
circle marks the relevant curve position.
B Continue to turn the dial until it shows a square
before the colon.
B Press the dial to mark the value.
Fig. 47
B Turn the menu dial to change the value. Press the dial
to save or use to return without saving.
In the window, the square is marked again and any
changed values are displayed after the square. In
addition, the curve is updated according to the new
value.
Change a specific value, for example the value at an
outdoor temperature of 0 °C:
B Turn the menu dial when the square is marked until
0°C is marked ( Fig. 48).
B Press the dial to mark the value.
Fig. 48
If the heat curve has been set too high, the
display will show the message Too high heat
curve setting.
B Change the heat curve setting.
6 720 614 789-18.3I
6 720 614 789-19.3I
6 720 614 789-23.3I
6 720 614 789-21.3I
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