Circuit Voltages - Biasi Inovia ERP Series Service Manual

3 .3 circuit voltages

Electrical voltages with burner on
figure 3 .3
- 10 -
Gas valve
Supply network
DIAGRAMS
3 way
diverter valve
Fan Main circuit
pressure switch
during c.h. or d.h.w. operation
only during c.h. operation
only during d.h.w. operation
D.h.w.
Flow switch
Safety
thermostat