Positioning The Electrodes; Electrical Connections - Ferroli SUN G10 Bedienungs-, Installations- Und Wartungsanleitung

1 Disconnect the oil supply pipe "A"
2 Remove the photo cell "7" and disconnect the cables from the ignition electrodes "C"
3 Loosen the two fastening screws "E"
4 Turn and remove the combustion head "D"
5 Remove the nozzle holder from the combustion head "F"
6 Replace the nozzle "G"

Positioning the electrodes

After having fitted the nozzle, check the correct positioning of the electrodes and the baffle, according
to the distances shown below.
The distances should be checked after any operations performed on the head.

2.5 Electrical connections

The burner is fitted with a multi-pole socket for the electrical connections; refer to the wiring diagram in
Chapter "4 Characteristics and technical specifications" for the connections. The following connections
are to be performed by the installer:
• power line
• thermostat line
• any shut-down and/or hour counter lights
The length of the connection cables must allow the burner, and the boiler door, if required, to be opened.
In the event of faults involving the burner power cable, it should only be replaced by specialist persons.
The burner should be connected to a single-phase, 230 Volt-50 Hz electrical line.
Have professionally qualified personnel check the efficiency and the suitability of the earth
system; the manufacturer is not responsible for any damage caused by the failure to earth the
system. Also check that the electrical system is adequately rated for the maximum power
absorbed by the appliance, indicated on the boiler rating plate.
The correct polarity must be respected (PHASE: brown wire / NEUTRAL: blue wire / EARTH:
yellow - green wire) in the electrical connections.
22
140
5
Ø22
fig. 6
Sun G10