3.2 System layout WKF 170 Duo
A
B
2
3
4
D
1
D
2
2
4
5
7
8
9
C
1
3
7
6
8
8
8
Fig. 17: System layout
A:
Outdoor area
B:
Indoor area
C:
Indoor unit WKF 170 Duo
D1: Outdoor unit 1 WKF 170 Duo
D2: Outdoor unit 2 WKF 170 Duo
1:
Common return flow
2:
Condensate drain, outdoor unit (must contain
anti-freeze!)
3:
Refrigerant lines
3
/
8
” and
3
/
4
”
4:
Outdoor unit power supply = 400V/3~/50Hz
3x16A (e.g. 5x1.5 mm
2
)
5:
Indoor unit power supply = 230V/1~/50Hz
16A (e.g. 3x1.5 mm
2
)
6:
Power supply for electrical auxiliary heater 9 kW
(e.g. 5x2.5 mm
2
)
7:
Control line shielded (e.g. 2x1 mm
2
)
8:
Fan
9:
Inlet for heating
29
Summary of Contents for WKF 100
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