WKF 180 Duo
1
A1
B C D
A2
230V~/N/Pe
400V/3~/N/Pe
L1
L2 L3
N
Pe
L1
L2 L3
N
Pe
400V/3~/N/Pe
L1
N
Pe
400V/3~/N/Pe
L1
L2 L3
N
Pe
E1
E2
Fig. 16: Overview of the electrical cables WKF 180 Duo
1: Main distributor
A1: Power supply, outdoor unit 1
A2: Power supply, outdoor unit 2
B: Power supply indoor unit
C: Power company disable signal, potential-free /
open = OU disabled
D: Power supply, 9 kW heating element, indoor unit
E1: Communication F1/F2,
Outdoor unit 1 / indoor unit
2x1 mm
2
shielded
E2: Communication F1/F2,
Outdoor unit 2 / indoor unit
2x1 mm
2
shielded
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