3217
8
GB
3.6
ELECTRICAL WIRING
KEY TO LAY-OUT
B4
– Working signal
C
– Capacitor
CN1
– Connector
F1
– Suppressor
H1
– Hour counter
MV
– Motor
PA
– Air pressure switch
PG
– Min. gas pressure switch
S3
– Remote lock-out signal
(230V - 0.5A max.)
SO
– Ionization probe
T6A
– Fuse
TA
– Ignition transformer
TB
– Burner earth
TL
– Limit thermostat
TS
– Safety thermostat
V10
– Safety valve
V11
– Adjustment valve
X7
– 7 pin plug
XP7
– 7 pole socket
NOTES:
– Wires of min. 1 mm
2
section.
(Unless requested otherwise by local standards
and legislation).
– The electrical wiring carried out by the installer
must be in compliance with the rules in force in
the country.
TESTING:
Check that the burner shuts down when the boil-
er thermostat contacts open.
Also Check that the burner locks out when the
connector (
CN1
) fitted in the red probe lead is
disconnected.
CARRIED OUT
DO NOT EXCHANGE NEUTRAL WITH PHASE
WARNING
IN THE FACTORY
Bl
a
c
k
Wh
it
e
Blu
e
Red
Brown
D4582
~
50Hz - 230V
CONTROL BOX
Brown
Blue
ATC
ROC