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Instructions for the installer
230V ELECTRICAL SUPPLY CONNECTION
The electrical connections are illustrated in section "PRACTICAL
CONNECTION DIAGRAM
".
The installation of the boiler requires an electrical connection to a 230
V - 50 Hz network: This connection must be set up by state of the art,
as envisioned by regulations in force.
ATTENTION!
Also bear in mind that, upstream of the supply,
it will be necessary to set up a service relay (NOT
SUPPLIED) that, when the electrical safety devices
are triggered, cuts off the electrical supply to the fuel
cut-off valve installed on the gas supply circuit, but
not to electrical supply the boiler, so as to ensure
pump operation and therefore boiler cooling.
Danger!
Electrical installation must only be carried out by an
authorised company.
Before setting up the connections or any operation on
the electrical parts, always cut-off the electrical supply
and make sure it cannot be accidentally re-connected.
Remember that it is necessary to install a bipolar switch on the electrical
supply to the boiler with a max distance between the contacts of 3
mm, easy to access, so that maintenance operations can be carried out
quickly and safely. The electrical supply to the boiler, 230 V - 50 Hz
single phase, must be carried out on point A, included, with a H05VV-F
(PHASE - NEUTRAL - GROUND) three-pole cable with a section
between 0.75 mm and 1.5 mm.
ATTENTION:
Cables carrying a voltage of 230 V must travel
separately from cables carrying a voltage of 24 V.
FL = Flow switch Connection
