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4.
ELECTRICAL WIRING
4.1 ELECTRICAL SYSTEM,
LME 22
ATTENTION:
Do not swap neutral and phase over, follow the diagram
shown carefully and carry out a good earth connection.
The section of the conductors must be at least 1mm².
(Unless requested otherwise by local standards and legis-
lation).
The electrical wiring carried out by the installer must be in
compliance with the rules in force in the country.
TESTING
Check the shut-down of the burner by opening the thermo-
stats, and the lock-out by opening the connector (CN3)
inserted in the red cable of the probe placed outside of the
control box.
NOTES
The burners have been type-approved for intermittent opera-
tion. This means they must stop at least once every 24 hours
in order to allow the electrical control box to check its effi-
ciency on start-up. The boiler limit thermostat (TL) normally
ensures the burner halts. If this does not happen a time
switch halting the burner at least once every 24 hours must
be applied in series to limit thermostat (TL).
20067072
(as set up by the manufacturer)
6
GB
XP7 – 7 pole socket
XP4 – 4 pole socket
XP6 – 6 pole socket
– Auxiliary terminal block
MB
– Switch for:
S1
MAN = manual operation
AUT = automatic operation
OFF = stand by
– Button for:
S2
– = power reduction
+ = power increase
– Burner-earth
TB
– Ionisation probe
SO
CN... – Connectors
– Ignition transformer
TA
–
Min. air pressure switch
PA
PAM –
Max. air pressure switch
– Motor capacitor
C
– Servomotor
SM
D8018
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