Ferroli SUN G20 1S, Инструкции по эксплуатации, установке и обслуживанию

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SUN G20 1S
27
Cod. 3540G302 - Rev. 01 - 02/2015
EN
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 ope-
ned. 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.
Electrode positioning
After fitting the nozzles, check the electrodes and baffle are in the right positions, according to the
distances shown below.
The distances should be checked after any work done on the head.
Combustion head
fig. 6
L
5
3,5
6,5