Nibe S1256 - Commissioning and adjusting; Adjustment of curve

SUPPLY TEMPERATURE – MAXIMUM AND
MINIMUM VALUES
Because the supply temperature cannot be calculated
higher than the set maximum value or lower than the set
minimum value, the curves flatten out at these temperat-
ures.
20
20 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, the maximum
supply temperature is normally set between 35
and 45 °C.
Caution
Must be restricted with underfloor cooling Min.
supply temp. cooling to prevent condensation.
ADJUSTMENT OF CURVE
Curve offset
Curve coefficient
Climate system
Supply temp. °C
Outdoor temp. °C
Curve
Offset
Climate system 1
1. Select the climate system (if more than one) for which
the curve is to be changed.
2. Select curve and offset.
3. Select max and min supply temperature.
Caution
Curve 0 means that "Own curve" is used.
Settings for "Own curve" are made in menu 1.30.7.
TO READ OFF A HEATING CURVE
1. Drag in the circle on the axis with outdoor temperature.
2. Read off the value for supply temperature in the circle
on the other axis.
35Chapter 6 | Commissioning and adjustingNIBE S1256