Flow line temperature–
maximum and minimum
values
Because the flow line temperature
cannot be calculated higher than the
set maximum value or lower than the
set minimum value the heating curve
flattens out at these temperatures.
20
0 10 0 -10 -20 -30 -40
30
40
50
60
70
80
Framledningstempereratur
(°C)
Utetemperatur
(°C)
Maximum value
Supply temperature
Outdoor temperature
Minimum value
Caution
With underfloor heating systems, max flow line temperature should
normally be set to between 35 and 45 °C.
Must be restricted with underfloor cooling min. flow line temp. to
prevent condensation.
Check the max temperature for your floor with your installer/floor
supplier.
The figure at the end of the curve indicates the curve slope. The figure beside
the thermometer gives the curve offset. Use the control knob to set a new value.
Confirm the new setting by pressing the OK button.
Curve 0 is an own curve created in menu 1.9.7.
To select another curve (slope):
NOTE
If you only have one climate system, the number of the curve is already
marked when the menu window opens.
1.
Select the climate system (if more than one) for which the curve is to be
changed.
2.
When the climate system selection has been confirmed, the curve number
is marked.
3.
Press the OK button to access the setting mode
4.
Select a new curve. The curves are numbered from 0 to 15, the greater the
number, the steeper the slope and the greater the supply temperature.
Curve 0 means that own curve (menu 1.9.7) is used.
5.
Press the OK button to exit the setting.
NIBE VVM 320Chapter 3 | VVM 320 – at your service34
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