www.stiebel-eltron.com WWS 20 | 63
ENGLISH
INSTALLATION
Specication
Example: Connecting to photovoltaic system
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3
1
2
4
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 Floating output on inverter
4 Mains power (Domestic electricity meter)
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