User
21
5.3.7 Setting the heating curve K-factor (PR15)
When the outside sensor is connected to the boiler the temperature of water to the heating system is
computed on the basis of the outside temperature and the value of the set K-factor
Diagram no. 2 Heating curves for a boiler without
connected room device
Diagram no. 3 Heating curves for a boiler with
connected room device (OPENTHERM)
Screen
Button
pressing
time
Description
or
Switching to the servicing mode shall be done when
the boiler is turned on
10 s
Switch the boiler to the parameter setting mode by
simultaneous pressing of buttons 3, 4 and 5 for a
period of 10 s
/
The screen will show PR / 01
Set the required parameter on the screen using
button 3 or 4
/
Set the parameter PR / 15 using button 3 or 4
2s
Switch the boiler to the value setting mode by
simultaneous pressing of buttons 3 and 5 for a period
of approx. 2 s.
Using buttons 3 or 4 set the value of the required
K-factor on the screen.
°C
°C
°C
°C
