Heat pumps AIR / WATER
Operation manual 23
Bivalent heater - switching on the auxiliary
electric heating rod
Brine circulation pump (in case of earth/water
heat pump or Genius!)
Symbol indicating a higher electricity tariff
(high tariff)
Dead back-up battery. Do not turn off the
heat pump power, there is a risk of deleting
the program!
Table 7 The meaning of the pictograms used on the main page of the heat pump
3.2.4.1 Summer/winter operation
The snowman symbol indicates the winter period when residential heating and service water
heating are active. The sun symbol indicates the summer when the heat pump only heats hot
water (hydrobox) or maintains 45°C in the accumulation tank for service water preheating (the
option is located in the middle of the main page). For more information, see chapter 12 on page
12.
The end of the winter period occurs after the average outdoor temperature rises
above the End of Heating value shown on the main website. Clicking on the
snowman/sun symbol will flip the system into summer/winter operation.
3.2.5 Setting Values
The first line of the main page below the control button belt (Figure 8) displays the actual and
desired room temperature.
The clock symbol for the desired room temperature indicates that
the desired room temperature is governed by the value entered in the
room temperature schedule (Chap. 3.2.11 on page 28). If the symbol is not
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