Each circuit can switch ON one or more sources in summer or winter and different sources in summer and winter.
If more than one source is selected, then it is necessary to define the SOURCES PRIORITY.PHOTO TBD
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Finally, it is possible to assign offset to sources both in winter and in summer. For example, if the winter offset is 3°C and the circuit set point is 27°C, to the selected sources will be required a set of 30°C.