User manual

Service setting manual

ENG

With adjusting the heat curve steepness, the controller is tuned with the

building. For optimal controller operation, the right setting of the heat curve

steepness is very important.

HEATING CURVE

With adjustion of heating curve the controller is adapted to the building. Proper heating

curve adjustion is very important for optimal heating control. Heating curve steepness

indicates, what temperature is required for the heating bodies by a determined outdoor



radiator, convector heating) and insulation of the building.

Determining the heating curve steepness

If you have enough data, you can determine the heating curve steepness with a calcula-

tion, otherwise from experience, based on the evaluation of heating system dimensioning

and building insulation.

The heating curve steepness is set correct, if the room temperature remains stable, even

by large outdoor temperature changes.

While the outdoor temperature is above + 5 °C, you can adjust the room temperature by

changing the day or night temperature or with the parallel shift of the heating curve (param-

eters P2.2 and P3.2).

If the object is underheated by low outdoor temperatures, the heat curve steepness needs

to be increased.

If the object is overheated by low outdoor temperatures, the heat curve steepness needs to

be decreased.

The maximum steepness increase/decrease should not be greater than 0.1 to 0.2 units per

one observation. At least 24 hours must pass between two observations.

Preferred settings of the heating curve steepness:

Heating system: Setting range:

 0,2 - 0,8

wall 0,4 - 1,0

radiator 0,8 - 1,4