Wolf FGB-K Series Installation And Maintenance Instructions For Contractors page 24

Terminal strip
Power supply 230 V / 50 Hz
Room thermostat input (jumper)
Please note: No external voltage must be
connected to input E1, as this
would destroy the PCB.
Outside temperature sensor
T_Outside (5K NTC)
Cylinder temperature sensor
T_DHW (5K NTC)
eBus
24
14. Electrical connection
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