Nibe F370 Installer Manual page 40

Supply temperature Framledningstempereratur
(°C)
80
70
Offset heating curve
60
50
40
30
20
0 10 0
SUPPLY 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.
Supply temperature Framledningstempereratur
(°C)
80
70
Maximum value
60
50
40
30
20
0 10 0
Caution
With underfloor heating systems, the maxim-
um supply temperature is normally set
between 35 and 45 °C.
Check the max floor temperature with your
floor supplier.
40 Chapter 6 | Commissioning and adjusting
-10 -20 -30 -40
Outdoor temperature
Utetemperatur
(°C)
Minimum value
-10 -20 -30 -40
Outdoor temperature
Utetemperatur
(°C)
ADJUSTMENT OF CURVE
Climate system
system
flow temperature °C
Min supply temperature
1. Select the climate system (if more than one) for
which the curve is to be changed.
2. Select curve slope and curve offset.
Caution
If you need to adjust "min. flow line temp."
and/or "max flow line temperature", you do this
in other menus.
Settings for "min. flow line temp." in menu
1.9.3.
Settings for "max flow line temperature" in
menu 5.1.2.
Caution
Curve 0 means that
Settings for own curve
1.9.7.
TO READ OFF A HEATING CURVE
Turn the control knob so that the ring on the shaft
1.
with the outdoor temperature is marked.
Press the OK button.
2.
3. Follow the grey line up to the curve and out to the
left to read off the value for the supply temperature
at the selected outdoor temperature.
You can now select to take read outs for different
4.
outdoor temperatures by turning the control knob
to the right or left and read off the corresponding
flow temperature.
5. Press the OK or Back button to exit read off mode.
Curve offset
Curve coefficient
heating curve 1.9.1.1
outdoor temp. °C
Max supply temperature
own curve is used.
are made in menu
NIBE F370