An air/water heat pump installation uses the outdoor air
to heat up a home. The conversion of the outdoor air’s
energy into residential heating occurs in three different
circuits. From the outdoor air, (1) , free heat energy is
retrieved and transported to the heat pump. The heat
pump increases the retrieved heat’s low temperature
to a high temperature in the refrigerant circuit, (2) . The
heat is distributed around the building in the heating
medium circuit, (3) .
The temperatures are only examples and may vary
between different installations and time of year.
45 ºC
55 ºC
80 ºC
5 ºC
6 ºC
1 ºC
0 ºC
A
BC
F
EG
H
I
D
123
Heating medium
Refrigerant
Outdoor air
Compressor
Condenser
Evaporator
Expansion valve
NIBE VVM S320Chapter 2 | Installation function6
2 Installation function
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