Circuit Voltages - Biasi GARDA M90F.24S Service Manual

Wall hung, fan flue, room sealed gas boiler
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Diagrams
3.3

Circuit voltages

Eletric supply
3 way diverter
terminal block
valve
Fan
1
Modulating
Safety
Pump
Gas valve
thermostat
during c.h. or d.h.w. operation
Electrical voltages with burner on
only during c.h. operation
only during d.h.w. operation
7

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