Roca CRONO 4-G COMPACT Instructions D'installation page 23

3.6 ELECTRICAL WIRING
WARNING
DO NOT EXCHANGE NEUTRAL WITH PHASE
~
50Hz - 230V
CONTROL BOX
3217
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CARRIED OUT
IN THE FACTORY
Brown
Blue
Red
Brown
8
NOTES:
– Wires of min. 1 mm
(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.
KEY TO LAY-OUT
B4 – Working signal
C
CN1 – Connector
F1
H1 – Hour counter
MV – Motor
PA – Air pressure switch
PG – Min. gas pressure switch
S3
SO – Ionization probe
T6A – Fuse
TA – Ignition transformer
TB – Burner earth
D4582
TL
TS – Safety thermostat
V10 – Safety valve
V11 – Adjustment valve
X7
XP7 – 7 pole socket
GB
2
section.
– Capacitor
– Suppressor
– Remote lock-out signal
(230V - 0.5A max.)
– Limit thermostat
– 7 pin plug