Product description 3
0020257297_02 aroTHERM Installation and maintenance instructions
53
3
Fan
4
Compressor
5
Expansion valve
6
Condenser (heat ex-
changer)
3.3.2
Operating principle, cooling mode
Applicability:
Product with cooling mode
6
5
4
3
1
2
1
Condenser (heat ex-
changer)
2
4-port diverter valve
3
Fan
4
Compressor
5
Expansion valve
6
Evaporator (heat ex-
changer)
3.3.3
Noise reduction mode
A noise reduction mode can be activated for the product
(during heating or during cooling).
In noise reduction mode, the product has reduced noise
emissions, which are achieved by a limited compressor
speed and an adjusted fan speed.
3.4
Description of the product
The product is the outdoor unit of an air-to-water heat pump
with split technology.
The outdoor unit is connected to the indoor unit via the refri-
gerant circuit.
3.5
Product design
1
2
1
Air outlet grille
2
Cover, service valves
3.5.1
Components, unit, front
1
3
6
5
2
4
1
Fan
2
Evaporator (heat ex-
changer)
3
INSTALLER BOARD
PCB
4
HMU PCB
5
Compressor
6
INVERTER assembly
Summary of Contents for aroTHERM Series
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