Heat Pump, Split System, Single Service, 3 phase
Maintenance Document 1394-1 75
Heating Curve
Line no.
HC1 HC2
Programming line
720 1020 Heating curve slope
721 1021 Heating curve displacement
726 1026 Heating curve adaptation
Heating curve slope:
Based on the heating characteristic, the controller
computes the flow temperature setpoint which will be
used for controlling the flow temperature in
consideration of atmospheric conditions. Different
settings can be used to adapt the heating
characteristic so that the heating capacity, and
therefore the room temperature, will match the
individual needs.
The colder the outdoor temperature, the greater the
extent to which the slope will modify the flow
temperature. In other words, the slope should be
corrected if the room temperature shows a difference
when the outdoor temperature is low, but not when it
is high.
o Increase the setting:
The flow temperature is increased mainly when the
outdoor temperatures are low.
o Decrease the setting:
The flow temperature is lowered mainly when the
outdoor temperatures are low.
Warning:
The heating curve is adjusted in relation to a room
temperature setpoint of 20°C. If the room temperature
setpoint is modified, the flow temperature setpoint is
automatically recomputed. This will not modify the
setting and amounts to automatically adapting the
curve.
20
30
40
50
60
70
-20,0-15,0-10,0-5,00,05,010,015,020,0
Outdoor Temperature (°C)
Heating Flow Temperature (°C)
0,25
0,5
0,75
1
1,25
1,5
1,75
2
Heating Curves
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