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Installation
4.12
Electrical wiring
Notes on safety for the electrical wiring
4.13
Electrical connections
Before carrying out any maintenance, cleaning or checking opera-
tions:
If the cover is still present, remove it and proceed with the electrical
wiring according to the wiring diagrams.
Use flexible cables in compliance with the National Electrical Code,
NFPA 70. (For the Canadian requirements see the statement re-
quired in CSA 3.4, Cl. 4.2.1.8).
DANGER
The electrical wiring must be carried out with the electrical supply disconnected.
Electrical wiring must be carried out by qualified personnel and in compliance with the regulations currently in force in
the country of destination.
The manufacturer declines all responsibility for modifications or connections different from those shown in the electri-
cal layouts.
Check that the electrical supply of the burner corresponds to that shown on the identification label and in this manual.
Do not invert the neutral with the phase in the electrical supply line.
Any inversion would cause a lockout due to firing failure.
The electrical safety of the device is obtained only when it is correctly connected to an efficient earthing system,
made according to current standards.
It is necessary to check this fundamental safety requirement. In the event of doubt, have the electrical system
checked by qualified personnel.
Do not use the fuel tubes as an earthing system for electrical devices.
The electrical system must be suitable for the maximum input power of the device,as indicated on the label and in the
manual, checking in particular that the section of the cables is suitable for the input power of the device.
For the main power supply of the device from the electricity mains:
- do not use adapters, multiple sockets or extensions;
- use an omnipolar switch with an opening of at least
1
/
8
inch (overvoltage category) between the contacts, as indi-
cated by the current safety standards.
Do not touch the device with wet or damp body parts and/or in bare feet.
Do not pull the electric cables.
Before carrying out maintenance, cleaning or
checking operations, identify and disconnect the
main electrical power to the burner and identify and
close the manual shut-off valve on the gas supply
drop-line to the burner.
DANGER
Disconnect the electrical supply from the burner by
means of the main system switch.
DANGER
Close the fuel inlet connection.
DANGER
Avoid condensate, ice and water leaks from form-
ing.
After carrying out maintenance, cleaning or check-
ing operations, reassemble the cover and all the
safety and protection devices of the burner.
Summary of Contents for RS 120/EV LN
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