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DC BWA-SS series consists of a heat pump, water heater,
electrical module, circulation pumps and a control sys-
tem. DC BWA-SS series is connected to the collector and
heating medium circuits.
The heat from the heat source (rock, soil, lake) is taken
up via a closed collector system in which a mixture of
water and antifreeze circulates. Groundwater can also
be used as a heat source, but this requires an inter-
vening heat exchanger.
(KB)
(KB)
System description
Principle of operation
The brine emits its heat to the refrigerant in the heat
pump's evaporator. It then vaporises and is com-
pressed in the compressor. The refrigerant, the tem-
perature of which has now been raised, is passed to
the condenser where it gives off its energy to the heat-
ing medium circuit and, if necessary, to the water
heater. After the condenser there is a built-in electrical
module which cuts in if there is a high demand.
The heating medium side and
the hot water side must be fit-
ted with the necessary safety
equipment in accordance with
the applicable regulations.
(VB),
(VB),
2
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