P32-EN – Subject to technical changes 04.11
21
Client
Troubleshooting
Heating curve corrections in case of problems with the room temperature
Problem
Solution for
heating curve in “Slope” mode
Solution for
heating curve in “Temp.” mode
All rooms are overheated regardless of the outdoor
temperature*
Reduce the target room
temperature in the heating
times program
Reduce the target room
temperature in the heating
times program
The room temperature is too low regardless of the
outdoor temperature*
Increase the target room
temperature in the heating
times program
Increase the target room
temperature in the heating
times program
The room temperature is too low in winter
but adequate in autumn and spring
Increase “Slope”
Increase “T.Pre.-20°C”
The room temperature is adequate in winter
but too low in autumn and spring
Increase the target room tem-
perature in the heating times
program
and
reduce “Slope”**
Increase “T.Pre.+10°C”
The room temperature is adequate in winter
but too high in autumn and spring
Reduce the target room tempera-
ture in the heating times program
and
increase “Slope”**
Reduce “T.Pre.+10°C”
The room temperature is too high in winter
but adequate in autumn and spring
Reduce the “slope”
Reduce “T.Pre.-20°C”
* First of all, open all the heating valves fully. Only when one or more rooms have an adequate temperature and the other
rooms are too warm do you have to close the heating valves in those rooms some more. If it is too cold in a room, first
turn up the heating valves there before you change the heating curve.
** Set the target room temperature so that the temperature difference is compensated. Finally, change the slope by 0.05
per 2° temperature difference in the opposite direction.
Example
: The room temperature is approximately four degrees
too low in autumn and spring, but adequate in winter. You must increase the target room temperature in the heating
time programs by this amount and reduce the slope by 0.1.
To save energy, the heating curve can be set exactly with
the aid of the rules in the
table below
. Corrections should
only be made in small steps.
All corrections require a certain amount of time to
take effect. For this reason, wait at least one day
before you make any other corrections.
6.2 Setting the heat curve
