STIEBEL ELTRON WWS 20 - Page 27

62 | WWS 20 www.stiebel-eltron.com
INSTALLATION
Specication
Example: Immersion heater in DHW cylinder
Elt%20Haupt%20WWS%20+%20BGC
1
4
3
2
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)