FIGHTER 1220 consists of a heat pump, water heater,
electrical module, circulation pumps and a control sys-
tem.FIGHTER 1220 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.
The emits its heat to the refrigerant in the heat pump’s
evaporator. It then vaporises and is compressed in the
compressor. The refrigerant, the temperature of which
has now been raised, is passed to the condenser
where it gives off its energy to the heating medium cir-
cuit 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.
System description
3
For Home Owners
FIGHTER 1220
Principle of operation
The heating medium side and
the hot water side must be fit-
ted with the necessary safety
equipment in accordance with
the applicable regulations.
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