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In the time program you have set the time phases dur-
ing which DHW heating is enabled. The power supply
utility may start DHW heating, even outside the set
time phases.
To utilise even more low-cost excess power for DHW
heating, the standard DHW temperature can be
increased. Your contractor can set the value for this
temperature increase.
Standard DHW temperature:
50 °C
Increase in DHW temperature (set by your contrac-
tor):
10 K (10 Kelvin)
The DHW is heated to 60 °C. If DHW consumption
remains the same, the next DHW heating period using
power at the standard tariff is postponed until later.
Free excess power
DHW heating is started immediately, regardless of
your settings in the time program.
The DHW will be heated to the maximum possible
temperature. This temperature has been set by your
contractor.
Standard DHW temperature:
50 °C
Max. temperature of your DHW cylinder (set by your
contractor):
65 °C
The DHW is heated to 65 °C. If DHW consumption
remains the same, the next DHW heating period using
power at the standard tariff is postponed until later.
Note
If scald protection is enabled, the DHW is heated to a
maximum of 60 °C, even if the Smart Grid settings
specify a higher DHW temperature.
Note
If you have enabled several functions for Smart Grid,
the functions for DHW heating will have priority over
the functions for room heating.
Set temperature
Specific temperature that should be reached, e.g. set
DHW temperature for example.
Drinking water filter
A device that removes solids from the drinking water.
The drinking water filter is built into the cold water
pipework to the DHW cylinder.
Evaporator
The evaporator is a heat exchanger that transfers ther-
mal energy from the outdoor air to the heat pump.
In this process, cooling of the supplied air can cause
water to condense. This condensate can freeze on the
evaporator, which has a negative effect on heat trans-
fer.
To remove this ice, the evaporator is automatically
defrosted. In the process, steam may be visibly
released from the outdoor unit.
Compressor
The compressor is the central component of the heat
pump. The compressor raises the refrigerant to the
temperature level required for the heating mode.
Depending on the energy required in the building, the
speed of the compressor will be adjusted to the output
required.
Condenser
The condenser is a heat exchanger that transfers ther-
mal energy from the heat pump to the heating system.
Appendix
Terminology (cont.)
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