Circuit Voltages - Biasi RIVA COMPACT M90E.24S Service Manual

Wall hung, fan flue, room sealed gas boiler
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Diagrams
3.2

Circuit voltages

Eletric supply
terminal block
1
ON
Electrical voltages with burner on
6
3 way diverter
valve
Pump
Fan
Modulating
Gas valve
during c.h. or d.h.w. operation
only during c.h. operation
only during d.h.w. operation
Safety
thermostat

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Riva compact m90e.28sRiva compact m90e.32s

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