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Circuit Voltages - Biasi Activ A 25C Service Manual

Activa series wall hung, fan flue, room sealed, high efficiency gas boiler
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Diagrams
3.3

Circuit voltages

during c.h. or d.h.w. operation
Electrical voltages with burner on
only during c.h. operation
only during d.h.w. operation
3 way
Pump
D.h.w.
diverter valve
Flow switch
Gas valve
Safety
Supply network
Fan
Main circuit
thermostat
pressure switch
7

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