Circuit Voltages - Biasi Parva HE M96.24SM/P Service Manual

3.4

Circuit voltages

Electrical voltages with burner on
Supply network
X1
F2 F1
X5
LD3 LD2 LD1
Pump
3 way
diverter valve
Modulating
Gas valve
X6
K1
K3 K4
P4
Air
Safety
switch
thermostat
pressure
during c.h. or d.h.w. operation
only during c.h. operation
only during d.h.w. operation
Fan
X3
X7
X2
K2
X4
LD4
SB1
P5
Diagrams
7