20162463
26
GB
Installation
5.16
Electrical connections
Notes on safety for the electrical wiring
Before carrying out any maintenance, cleaning or checking
operations:
If the cover is still present, remove it and proceed with the
electrical wiring according to the wiring diagrams.
Use flexible cables according to EN 60 335-1 standard.
5.16.1 Supply cables and external connections
passage
All the cables to be connected to the burner should be passed
through cable grommets, as shown in Fig. 27.
Key (Fig. 27)
1
Pg29 Three-phase power supply
2
Pg13.5 Single-phase power supply
3
Pg29 TR remote control, TL, gas valve and leak test
DANGER
The electrical wiring must be carried out with the electrical supply disconnected.
Electrical wiring must be made in accordance with the regulations currently in force in the country of destination
and by qualified personnel. Refer to the wiring diagrams.
The manufacturer declines all responsibility for modifications or connections different from those shown in the wir-
ing diagrams.
Check that the electrical supply of the burner corresponds to that shown on the identification label and in this man-
ual.
The burner has been set for intermittent operation (FS1).
The RFGO safety device features two built-in flame amplifiers which allow using it for applications with UV sensor
only, FR sensor only or with both sensors (UV+FR). The FR amplifier circuit is subject to constant auto-control,
which allows to use it for applications requiring a burner operating cycle longer than 24 hours. When it is used as
a UV control, the system is considered as non-permanent, requiring one burner recycle every 24 hours.
Normally, burner stopping is guaranteed by the boiler's thermostat/pressure switch.
If this is not the case, you must apply a time switch to L-N in series, to stop the burner at least once every 24
hours. Refer to the wiring diagrams.
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 gas 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, in compliance with 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.
DANGER
Disconnect the electrical supply from the burner
by means of the system main switch.
DANGER
Close the fuel shut-off valve.
DANGER
Avoid condensate, ice and water leaks from
forming.
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
2
1
3
Fig. 27
20166888
Summary of Contents for GI/EMME 1400
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