The heating demand is started when the temperature at the top of the cylinder (DHW temperature
T.DHW top) falls below the set temperature defined by the time condition. Demand stops when the
temperature at the bottom of the cylinder (DHW temperature T.DHW bottom) exceeds the set
temperature defined by the time condition.
However, it is also possible to start and stop demand solely by means of the top sensor T.DHW
top.
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