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Keystone OM3 - EPI-2 LOcaL IntErfacE MOduLE
InstallatIon and MaIntenance InstructIons
8. InStaLLatIOn
8.1 WorKIng condItIons
the Electric actuators EPI-2 with OM3
are suitable for the following ambient
temperatures:
from -40°c to +65°c (from -40°f to +149°f)
IMportant
Check the 'temperature ambient range'
embossed on the nameplate, for the correct
utilisation with respect to the ambient
temperature conditions.
8.2 eLectrIcaL connectIons
Before applying electrical power to the actuator
check that the electrical parameters (supply
voltage and current) shown on the nameplate,
are correct for this installation.
IMportant
The installation and maintenance must be
carried out in accordance to the applicable rules
regarding the electrical installations in hazardous
area (other than mines) classified as Zone 1 (gas):
IEC 60079-10; IEC 60079-14; IEC 60079-17 and/or
other national standards.
8.3 InstructIons for the
IntrInsIcaLLy-safe encLosures
IMportant
The installation and maintenance of Electric
Actuators EPI-2 with OM3 must be carried out
in accordance to the applicable rules regarding
the electrical installations in hazardous area
(other than mines) classified as Zone 1 (gas):
IEC 60079-10; IEC 60079-14; IEC 60079-17
and/or other national standards.
WarnIng
Do not operate the Electric Actuator electrically
when the Local Control Panel is removed from
er of the terminal board enclosure. Operating the
unit with the electrical enclosures not protected
by their covers could cause personal injury.
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8.4 InstaLLatIon In aMbIent WIth
expLosIVe dusts
IMportant
The installation and maintenance must be carried
out in accordance with IEC 61241-14.
Special attention must do to these
following points:
• The cable glands must have a protection
degree at minimum IP 66/68 (IEc 60529).
• Periodically verify the quantity of dust
deposited on the enclosure and clean it in the
case the quantity becoming more than 5 mm.
9. SPEcIaL MaIntEnancE
WarnIng
The maintenance and any repair works must be
carried out by personnel specifically qualified and
fully trained for works in hazardous areas.
9.1 perIodIc InspectIons
a) frequency of inspection may depend form
the installation and working conditions: in
general at least one inspection every two
years is recommended.
b) Inspect the Electrical actuator with
particular attention to electrical enclosures
conditions.
WarnIng
Any damage or breaking found on the enclosures,
lack of screws fixing the covers or loosen screws
must require an immediate maintenance action.
c) Keep the external surface clean: if the
Electrical actuators are installed in a
dusty environment the specification stated
in IEc 61241-14 be followed ensuring in
particular that the dust layer does not
exceed 5 mm.
d) check the condition of cable connection and
mounting bolts: any loose connection must
be amended.
9.2 repaIrs of IntrInsIcaLLy-safe parts
WarnIng
In case the maintenance should require the
replacement of any component which forms part
of the Local Control Panel only an original spare
provided by Biffi MUST be used. Direct repair
or reconstruction of the above components are
not permitted without the Biffi permission. Not
performing this procedure will invalidate the
product safety and contractual guarantee.
Original spare parts must be required to Biffi:
to ensure that right spare is provided, serial
number printed on the Electric actuator label
MuSt be specified when spares are ordered.
8
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