6 Heating circuit
Perceived
Current
outside tem-
room tem-
perature
perature
too cold
+5°C to
+15°C
too hot
6.1.3 General settings
Ambient switch off temperature
If the settings were carried out as per the above
example, the boiler control will respond as follows:
If the outside temperature exceeds the value set
here, the heating circuit pump is switched off and the
heating circuit mixing valve closes.
Set ambient switch off temperature for heating mode:
e.g. 18°C
Set ambient switch off temperature for reduced
mode: e.g. 5°C
i
This means: the heating circuit is normally
automatically switched off during the summer
month due to the outdoor temperature.
You can also switch the heating circuit off
manually (=operating mode: Switch off heat-
ing circuit).
Anti-freeze temperature
If the outside temperature falls below the value set
here, the heating circuit pump is switched on and the
burner closes.
24
Recommended adapt-
ation of heating curve
Increase temperature
value at
10
Reduce temperature
value at
10
Buffer difference
The burner (fehlender oder ungültiger
Codeausschnitt) starts when in the buffer the tank
temperature top falls below the required flow tem-
perature minus the buffer difference.
Example:
- Current required flow temperature = 50°C
- Buffer difference = 5°C
The burner (fehlender oder ungültiger
Codeausschnitt) starts as soon as the tank tem-
perature top < 45°C.
A negative buffer difference value is added, i.e. the
burner (fehlender oder ungültiger Codeausschnitt)
starts earlier.
Example:
- Current required flow temperature = 50°C
- Buffer difference = - 5°C
The burner (fehlender oder ungültiger
Codeausschnitt) starts as soon as the tank tem-
perature top < 55°C.
Outside temperature delay
The delay set here is used to determine an average
value for the outside temperature (= Average outside
temperature).
The heating circuit pump switches on as soon as the
average and current outside temperatures fall below
the ambient switch off temperature. The same
applies if these fall below the ambient switch off tem-
perature reduced mode outside the heating time.
The heating circuit pump switches off again as soon
as the respective outside temperature rises above
the value of the ambient switch off temperature. The
average outside temperature is no longer taken
account of.
Heating circuit name
The heating circuit can be given an individual name.
6.1.4 Room settings
Operation manual ecotop-zero, ecotop-light
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