Advanced settings
Owner’s Manual 27
ENGLISH
NOTE
- Heating circle 1 (M5) can only be a direct heating circle (without mixing valve).
For this circuit we always choose the heating circle which requires the highest temperature (i.e.
radiators).
- Heating circuits 2, 3 and 4 (M6, M9, M11) can be direct (without a mixing valve) or mixing cir-
cuits. In case of direct circuits, temperature settings of heating water can be adjusted in the menu
Heating.
NOTE
While setting or changing the desired temperature of heating water please note that the values set
as Normal and Correction in the menus Heating and Circuit 1 have to be equal and higher than
the setting of desired values in the mixing circuits (2. Circuit, 3. Circuit, and 4. Circuit) if they are
active.
In case one of the circuits (2. Circuit, 3. Circuit or 4. Circuit) is direct, it can have the same setting
as 1. Circuit.
Heating settings
• Heating water control mode
The controller of the device enables two ways of controlling the temperature of heating water at the
exit of the device or the entry into individual heating circuits:
a) Heating Curve: Setting the desired temperature of heating water according to external tempera-
ture.
b) Constant: The temperature of heating water is kept constant regardless of the external tempera-
ture.
The control mode of the heating water suitable for individual buildings depends on various factors
such as the type of building, its size, make of heating system ...; this is why the control mode for
heating water temperature is set by a qualified person at commission (the authorized contractor for
commissions) nevertheless, you can change the setting later.
The recommendation of the device’s manufacturer is, if acceptable from the standpoint of comfort,
etc., to set the heating water control mode to heating curve; this is why the present document
regards this setting as the default setting - the setting set at commission. Heating curve means a
more effective operation of the heating system because by raising external temperature the desired
temperature of heated water is lowered, which means a more effective operation of the device.
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