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The Hours in use screen (g. . p. 8) displays the counted running hours of the compressor (Comp.), bivalent source
(Bival.), DHW heating with a heat pump (DHW heat.) and DHW reheating with an electric heater (DHW el. heat.) including
disinfection.
The left part of the Energy screen (Fig. . page 8) shows the quantities needed to calculate the current supplied
power, the current supplied power as well as a counter of the total supplied energy. This counter can be reset with the
Reset Energy button, e.g. before the start of the heating season. The right side of the screen is again identical to the
previous window.
If the current power value is negative, heat is being removed from the building. This is common, for example, when
the outdoor unit is defrosting and an ice layer forms on the evaporator, which needs to be removed to maintain
good heat transfer. This is achieved by taking part of the energy of the building and heating this evaporator.
Figure .: Overview section More..
Figure .: Overview section More.. Hours in use
Figure .: Overview section More.. Energy
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