INSTaLLaTION
Power supply
38
| WPL 15 IKS | WPL 25 IK
www.stiebel-eltron.com
11.4 Connection diagram WPL 15 IKS-2
f
f
Observe chapter “Electrical installation” when installing the electrical cables.
1
2
3
4
7
5
6
X8
X6
X5
X2
X4
X30
X3
X31
X1
X4
X2
X3
1 Control circuit 1/N/PE 230V 50Hz (domestic electricity meter)
2 Load circuit, heat pump
1/N/PE 230V 50Hz (heat pump electricity meter)
3 Load circuit, booster heater
2/N/PE 230V 50Hz (heat pump electricity meter)
4 Power-OFF control (control phase L w/o blocking time;
control phase L’ with blocking time)
5 Internal unit
6 External unit
7 Domestic fuse box