Troubleshooting
Logamatic EMS – 6 720 801 386 2011/05
50
7
Why does the pump run at night, even though the home is not being heated at all or only
very little?
This depends on the setting chosen by your heating contractor for night setback.
• Reduced operation: The pump still runs even if the home is only being heated a little to achieve
a low room temperature.
• Shutdown mode: The heating system (and therefore also the pump) is automatically shut down
in night mode. If the outside temperature falls below the frost limit temperature, the pump is
automatically switched on via the “frost protection” function.
• Outdoor setback mode and Room setback mode: the heating system starts automatically
when the actual temperature falls below the set value. The pump will then also start.
The actual room temperature is higher than the set room temperature. Why is the boiler
still running?
The boiler can heat to increase the temperature of DHW. Your heating system can be set to three
possible control modes (Æ page 47):
• Room temperature compensated control: when the set room temperature is reached, the boiler
switches off.
• Outside temperature control: the heating system runs as determined by the outside temperature.
• Outside temperature control with the influence of the room temperature: the heating system uses
the advantages of both the control modes mentioned previously.
The boiler can still operate in the latter two cases, even if the captured room temperature is higher
than the set room temperature.
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