Circuit Voltages - Biasi RIVA COMBI Service Manual

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Second Part
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6

Circuit Voltages

Supply
Network
Gas Valve
24~
0
Safety
Thermostat
Fan
120~
Air pressure
Switch
Control p.c.b.
RIVA COMBI SERVICE MANUAL – REV A
M35.30CB
Electrical voltages with burner on
0
120~
0
0
120~
Maintenance Characteristic Verification
During c.h. or d.h.w. operation
Only during C.h. operation
Only during d.h.w. operation
Three way
Primary Circuit
120~
diverter valve
Flow Switch
Full Sequence Device
120~
1
Control p.c.b.
0,3=
120~
Pump
Fan and Air Pressure
Device
120~
120~
Fan and Air Pressure
Device
M35.30CB - 6