5.12.4 Standard Wiring Diagram; Electrical Wiring With Valve Seal Control (Dungs Vps 504) - Riello 40 FS20D Installation, Use And Maintenance Instructions

5.12.4 Standard wiring diagram

Key (Fig. 20)
AD Air damper servomotor
C Motor capacitor
CN1 Ionisation probe connector
E Ignition electrode
F Filter
MV Fan motor
PA Air pressure switch
PG Min. gas pressure switch
S3 Lamp block (230V - 0.5A max.)
SO Ionisation probe
TA Ignition transformer
TB Burner earth
TL Limit thermostat
TR 2nd stage thermostat
TS Safety thermostat
T6A Fuse
V10 Safety valve
V11 1st stage valve
V12 2nd stage valve
X1 Terminal board
In the event of phase-phase power supply, a
bridge should be installed on the terminal board of
the control box between clamp 6 and the earth
clamp.
WARNING
20063680
Installation
RMG88.62C2
20065533
20
5.12.5 Electrical wiring with valve seal control
(DUNGS VPS 504)
S8796
Key (Fig. 21)
PG Min. gas pressure switch
VPS Valve leak detection control
GB
Fig. 20
Fig. 21