York Geysir User Manual page 11

CURVE
The control computer shows the value for CURVE by means of a graph in the display. You
can set the heat curve by adjusting the CURVE value. The CURVE value indicated which
supply temperature the heating system is to have at an outdoor temperature of 0°C.
Supply temperature
Figure 6: Graph showing the set value 40 for CURVE .
At outdoor temperatures colder than 0°C, supply water hotter than 40°C is sent out to the
heating system and at outdoor temperatures greater than 0°C, supply water cooler than
40°C is sent out.
Supply temperature
Figure 7: Increasing or reducing the CURVE changes the slope of the curve
Value for CURVE is 40...
Maximum supply tem-
perature
Outdoor temperature
...at zero degrees
Maximum supply tem-
perature
Outdoor temperature
EN
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