WKF/WKF compact 170
230V~/N/Pe
L1
L2 L3
N
Pe
400V/3~/N/Pe
L1
N
Pe
400V/3~/N/Pe
L1
L2 L3
N
Pe
1
A B C D
E
Fig. 7: Overview of electrical cables
1: Main distribution
A: Power supply outdoor unit
B: Power supply indoor unit
C: Power utility disable signal, potential-free /
open = AM locked
D: Power supply heating coil, 9 kW indoor unit
E: Modbus communication, terminal A/B
13