3064458_201811
59
Troubleshooting
Problem Remedy
Individual radiators do not warm up
properly.
Carry out hydraulic balancing,
i.e. reduce the ow rate of hotter
radiators.
Increase the pump speed (H16).
In the spring and autumn, the
required room temperature is not
achieved.
Increase the set room temperature
at the controller, e.g. with set value
setting ± 4.
The required room temperature
is not achieved when outside
temperatures are very low.
Select a steeper heating curve at
the controller, e.g. increase the ow
temperature at standard outside
temperatures.
26.Highefciencypumpfunctionde-
scription
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