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Heating curve (heating characteristic)
The slope of the heating characteristic curve generally describes the ratio between variations in the flow
temperature and variations in the outdoor temperature.
HEAT. CURVE
HC OFF
HEAT. CURVE
HC OFF
HEAT. CURVE
HC 1.5
Basic display
Tap the “Heating curve” key
“Heating curve” display appears.
“HC” flashes. In case of several heating circuits you must first select
the relevant circuit by turning the “rotary pushbutton”- see page 3,
Technical data.
Confirm
The slope of the heating characteristic curve is shown flashing on the
display
Select the desired value for the slope of the heating characteristic
curve by turning the “rotary pushbutton”.
The selected slope of the heating characteristic curve is shown on the
display.
Recommended settings
Floor heating:
0,3...1,0
Radiator heating:
1,2...2,0
Convector heating:
1,5...2,0
The heating curve is normally preset by the installer during the commissioning of the heating system. The
heating curve should only be changed in small steps and over longer periods of time.
Heating flo
w temper
ature
Outdoor temperature
Heating cur
ve slope
MO. 16. AUG.'04
14:00 62.5
C
Heating system control
