7.3
Opening the burner
Turn off the burner's electrical supply using the
main system switch.
DANGER
Turn off the fuel interception tap.
DANGER
Wait for the components in contact with heat
sources to cool down completely.
Disconnect the socket 1) of the oil/gas servomotor;
disconnect the socket of the derivation unit.
disconnect the flame sensor socket
disconnect the electrode connection from the transformer,
see procedure in chapter "Access to head internal part" on
page 20; remove the screws 2).
At this point, it is possible to open the burner on the hinge.
7.4
Closing the burner
Refit following the steps described but in reverse order; refit all
burner components as they were originally assembled.
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
Maintenance
39
GB
2
1
20124127
Fig. 45
20099672