FIGHTER 200P consists of an electric boiler with cop-
per lined water heater and a heat pump that recov-
ers energy from ventilation air. The recovered energy
is supplied to the heat pump. The heat pump must be
installed in a ventilation system intended for mechani-
cal exhaust air. A DC fan is used in FIGHTER 200P.
The output of the immersion heater is 3,0 kW. When
the exhaust air at room temperature passes through
the evaporator, the refrigerant evaporates because of
its low boiling point. In this way the heat in the air is
transferred to the refrigerant.
The refrigerant is then compressed in a compressor,
causing the temperature to rise considerably.
The warm refrigerant is led to the condenser. Here
the refrigerant gives off its heat to the boiler water, so
that the temperature of the the refrigerant drops and
its phases changes from gas to liquid. The refrigerant
then goes via a filter to the expansion valve, where the
pressure drops and the temperature is lowered fur-
ther.
The refrigerant has now completed its circulation and
returns to the evaporator.
System description
C
When the room air has
passed through the heat
pump it is discharged. The
temperature of the air has
been significantly reduced
as the heat pump has
extracted the energy in the
room air.
G
The air from the kitchen
fan goes directly out into
a separate duct.
B
The warm room
air is fed to
FIGHTER 200P
D
FIGHTER 200P supplies
the house with both hot
water and room heating.
E
Outdoor air is drawn into the house.
A
The warm room air is
drawn into the air duct
system.
F
Air is transported
from rooms with
outdoor air devices to
rooms with exhaust
air devices.
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