You can select heating or cooling in the curve menu. The next menu (heating
curve/cooling curve) shows the heating and cooling curves for your house. The
task of the curve is to give an even indoor temperature, regardless of the outdoor
temperature, and thereby energy efficient operation. It is from these heat curves
that the heat pump’s control computer determines the temperature of the water
to the system, the supply temperature, and therefore the indoor temperature.
Select the curve and read off how the supply temperature changes at different
outdoor temperatures here. The number to the far right of "system" displays
which system you have selected the heating curve/cooling curve for.
Caution
With underfloor heating systems, max flow line temperature should
normally be set to between 35 and 45 °C.
With underfloor cooling, "min. flow line temp." must be restricted to
prevent condensation.
Check the max temperature for your floor with your installer/floor
supplier.
TIP
Wait 24 hours before making a new setting, so that the room temper-
ature has time to stabilise.
If it is cold outdoors and the room temperature is too low, increase
the curve slope by one increment.
If it is cold outdoors and the room temperature is too high, lower the
curve slope by one increment.
If it is warm outdoors and the room temperature is too low, increase
the curve offset by one increment.
If it is warm outdoors and the room temperature is too high, lower the
curve offset by one increment.
EXTERNAL ADJUSTMENT
Menu
1.9.2
NIBE F1255Chapter 3 | F1255 – at your service34
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