2748
5
GB
3.4
ELECTRICAL WIRING
D4346
In the case of phase-phase feed, a bridge must be fitted on the control
box terminal board between terminal 6 and the earth terminal.
NOTES:
– Do not exchange the neutral with the phase and connect
exactly the above wiring.
– Wires of min. 1 mm
2
section. (Unless requested otherwise by
local standards and legislation).
– Carry out a safe earth connection.
– Verify that the burner stops by operating the boiler control thermo-
stats and that the burner locks out by separating the red ionisation
probe lead connector.
– The electric wiring carried out by the installer must be in compli-
ance with regulations in force in the Country.
ATTENTION
PG – Minimum gas pressure
switch
S3 – Remote lock-out signal
(230V - 0.5 A max.)
T6A – Fuse
TL – Limit thermostat
TS – Safety thermostat
TR – 2
nd
stage thermostat
V10 – Safety valve
V11 – 1
st
stage valve
V12 – 2
nd
stage valve
Ionization probe
Ignition transformer
Electrode
Air damper actuator
Motor
Capacitor
Burner earth
230V
~
50Hz
CARRIED-OUT
Suppressor
Air pressure
Blue
White
Black
VERSION
FOR GAS LEAK CONTROL DEVICE
(DUNGS VPS 504)
BY THE INSTALLER
Control box
RMG 88.620A2
Connector
switch
Terminal board