Stiebel Eltron WWS 20 Manuel D'utilisation Et Installation page 62

INSTALLATION
Specification
Example: Immersion heater in DHW cylinder
1
2
3
F1 Switching input for control sensor
F2 Switching input for display sensor (optional)
E2 Switching input for power supply utility shutdown (optional)
E3 Switching input for power supply utility shutdown, set value increase or external fan control (optional)
1 DHW heat pump
2 Junction box
3 Threaded immersion heater (BGC)
4 Mains power (Domestic electricity meter)
62 | WWS 20
4
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