96
Drinking water filter
A device that removes solids from the water. The
drinking water filter is installed in the cold water pipe
upstream of the DHW cylinder or the instantaneous
water heater.
Evaporator
The evaporator is a heat exchanger that transfers ther-
mal energy to the heat pump. In air/water heat pumps,
it is the thermal energy of the supplied air that is trans-
ferred. In brine/water heat pumps, it is the thermal
energy from the brine.
In air/water heat pumps, cooling of the supplied air can
cause water to condense. This condensate can freeze
on the evaporator. To remove this ice, the evaporator
is automatically defrosted.
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.
In heat pumps with output-dependent control, the com-
pressor speed can be matched to the required output.
In conjunction with a photovoltaic system, power gen-
erated on site can be used to operate the compressor.
Condenser
The condenser is a heat exchanger that transfers ther-
mal energy from the heat pump to the heating system.
Heat pump cascade
A heat pump cascade is a system with multiple heat
pumps.
In a heat pump cascade, each heat pump has its own
control unit. The overall system is controlled and moni-
tored by the control unit of the lead heat pump.
Weather-compensated heating/cooling mode
See "Heating mode/cooling mode".
Domestic ventilation
See "Controlled domestic ventilation".
Time program
In the time programs, you specify what your heating
system should do at what time.
Operating status
The operating status indicates how a component of
your heating system is being operated.
For example, the operating statuses for central heating
have different temperature levels.
The times for the operating status changeover are
defined when the time programs are set.
Appendix
Terminology (cont.)
5790940
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