52
Installation and maintenance instructions 0020257297_06
limited compressor rotational 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
3.5.1
Unit
1
2
1
Air outlet grille
2
Cover for the hydraulic
connections
1
3
6
5
2
4
1
Fan
2
Evaporator
3
INSTALLER BOARD
PCB
4
HMU PCB
5
Compressor
6
INVERTER assembly
2
3
1
1
Temperature sensor at
the air inlet
2
Air inlet grille
3
Cover for the electrical
connections
3.5.2
Compressor assembly
8
7
5
3
2
4
1
18
6
10
12
13
11
9
15
17
14
16
1
Temperature sensor
upstream of the com-
pressor
2
Refrigerant separator
3
Maintenance connection
in the high-pressure
area
4
Compressor
5
Temperature sensor
downstream of the
compressor
6
Pressure sensor
7
Pressure switch
8
4-port diverter valve
9
Temperature sensor at
the evaporator
10
Maintenance connection
in the low-pressure area
11
Refrigerant buffer
12
Electronic expansion
valve
Содержание VWL 105/5 AS S2
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