WKF 170 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. 19: Overview of electrical cables
1: Main distribution
A1: Power supply outdoor unit 1
A2: Power supply outdoor unit 2
B: Power supply indoor unit
C: Power utility disable signal, potential-free /
open = AM locked
D: Power supply heating coil, 9 kW indoor unit
E1: Communication A/B outdoor unit 1 / indoor unit
2x1 mm
2
sheathed
E2: Communication A/B outdoor unit 2 / indoor unit
2x1 mm
2
sheathed
31