Mount the device in a weatherproof location.
Ensure that the operating location has a sufficient floor load capacity.
If mounting the enclosure on concrete use expansion anchors. When
mounting the enclosure to a steel framework use vibration resistant
mounting material.
Ensure that all fasteners are present.
Observe the tightening torque of the screws.
Protect the device against long-term or excessive mechanical vibrations.
Install the device in locations with a low risk of mechanical hazard
according to IEC/EN 60079-0 only.
The device is heavy. In order to avoid personal injuries or property
damage, make appropriate provisions for the mounting procedure.
Do not mount the device at locations where an aggressive atmosphere
may be present.
Do not damage the breather drain.
Do not cover the breather drain.
Observe the installation instructions according to IEC/EN 60079-14.
Observe the installation instructions according to IEC/EN 60079-25.
If the device has already been operated in general electrical installations,
the device may subsequently no longer be installed in electrical
installations used in combination with hazardous areas.
Ensure that the equipotential bonding connections are in good condition,
and are not damaged or corroded.
Ensure that the terminals are in good condition and are not damaged or
corroded.
When connecting intrinsically safe devices with intrinsically safe circuits of
associated apparatus, observe the maximum peak values with regard to
explosion protection (verification of intrinsic safety). Observe the
standards IEC/EN 60079-14 or IEC/EN 60079-25.
Provide a transient protection. Ensure that the peak value of the transient
protection does not exceed 140 % of the rated voltage.
The device must be installed and operated only in a controlled
environment that ensures a pollution degree 2 (or better) according to
IEC/EN 60664-1.
The device must be disconnected from the power supply prior to
installation and maintenance. The power supply may be activated only
after all the circuits required for operation have been fully assembled and
connected.
Only connect a device that is in accordance with IEC/EN 60950-1 and is
designed as safety extra-low protective voltage (SELV) system.
Protect the circuit against overvoltage (e. g., lightning).
The device provides a grounding terminal to which an equipotential
bonding conductor with a minimum cross section of 4 mm
2
must be
connected.
Requirements in Relation to Intrinsic Safety
Secure the connections of the non-intrinsically safe circuits
against loosening by suitable means.
If circuits with type of protection Ex i are operated with non-intrinsically
safe circuits, they must no longer be used as circuits with type of
protection Ex i.
Observe the maximum values of the device, when connecting the device
to intrinsically safe apparatus.
Keep the separation distances between all non-intrinsically safe circuits
and intrinsically safe circuits according to IEC/EN 60079-14.
Observe the compliance of the separation distances between two
adjacent intrinsically safe circuits according to IEC/EN 60079-14.
Circuits of intrinsically safe apparatus can be led into hazardous areas,
whereby special attention must be paid to maintaining separation
distances to all non-intrinsically safe circuits according to the requirements
in IEC/EN 60079-14.
Observe the grounding requirements for type of protection Ex i according
to IEC/EN 60079 14.
For intrinsically safe circuits, the dielectric strength of the insulation against
other intrinsically safe circuits and against the shield must be
at least 500 V according to IEC/EN 60079-14.
Equipotential bonding must be achieved along the intrinsically safe
circuits.
Requirements for Cable Glands
Install the cables and the cable glands in accordance
with IEC/EN IEC 60079-0 and IEC/EN 60079-14.
Only use cables and connection lines with a temperature range
appropriate to the application.
Use only one connection line per opening.
Use only one conductor per terminal.
Adjust the sealing element of the cable gland to the diameter of the cables
and connection lines used.
Observe the tightening torque of the cable glands.
Tighten all cable glands with the appropriate torque.
Ensure that all cable glands are in good condition and are securely
tightened.
Close all unused cable glands with the appropriate sealing plugs.
Requirements for Cables and Connection Lines
Observe the maximum permissible length of cables and connection lines.
The dielectric strength of the insulation must be at least 500 V according to
IEC/EN 60079-14.
Observe the permissible core cross section of the conductor.
The insulation stripping length must be considered.
When installing the conductors the insulation must reach up to the
terminal.
When using stranded conductors, crimp wire end ferrules on the
conductor ends.
Observe the minimum bending radius of the conductors.
The nominal core cross section of a connected conductor is 2.5 mm
2
(solid, finely stranded, and stranded).
Unused cables and connection lines must be either connected to terminals
or securely tied down and isolated.
Install the cables and connection lines in such a way that they are
protected from ultraviolet radiation.
Install cables and cable glands in a way that they are not exposed to
mechanical hazards.
Equipotential bonding must be achieved along the field circuits.
Requirements in Relation to Electrostatics
Avoid electrostatic charges which could result in electrostatic discharges
while installing, operating, or maintaining the device.
Mount the device in a location with low electrostatic charge.
Avoid inadmissibly high electrostatic charge of the cables and connection
lines.
Include the metal housing components in the equipotential bonding.
An electrostatic charge poses an ignition hazard in case of discharge.
Include the fasteners in the equipotential bonding.
Requirements for Surrounding Enclosures
If additional surrounding enclosures are required, the following points must
be considered during installation:
l
Degree of protection according to IEC/EN 60529
l
Resistance to light according to IEC/EN 60079-0
l
Resistance to impact according to IEC/EN 60079-0
l
Resistance to chemical agents according to IEC/EN 60079-0
l
Thermal endurance according to IEC/EN 60079-0
l
Electrostatics according to IEC/EN 60079-0
Mount the surrounding enclosure in a way that all housing outlets, e. g.,
cable glands and breather drains face downwards.
When the enclosure cover is fitted, ensure that all fasteners are fully
tightened.
Mount the device so that it complies with the specified degree of
protection according to IEC/EN 60529.
For cable glands only use incoming cable diameters of the appropriate
size.
Ensure that the surrounding enclosure is not damaged, distorted, or
corroded.
Ensure that all seals are clean, undamaged, and correctly fitted.
Tighten all screws of the surrounding enclosure/surrounding enclosure
cover with the appropriate torque.
Close all unused enclosure holes with the appropriate stopping plugs.
9. Operation, Maintenance, Repair
Prior to using the product make yourself familiar with it. Read the
instruction manual carefully.
Do not stay below the open device. In order to avoid personal injuries or
property damage, make appropriate provisions for the mounting and
maintenance procedures.
Observe IEC/EN 60079-17 for maintenance and inspection.
Do not use a damaged or polluted device.
If there is a defect, the device must be repaired by Fuchs.
The device must not be repaired, changed, or manipulated. In case of
failure, always replace the device with an original device.
Observe the warning markings.
Do not remove the warning markings.
If the device is installed in potentially explosive dust atmosphere, remove
dust layers which exceed 5 mm in regular intervals.
Remove the dust before opening the surrounding enclosure.
Connection or disconnection of energized non-intrinsically safe circuits is
only permitted in the absence of a potentially explosive atmosphere.
If cleaning is necessary while the device is located in a hazardous area, in
order to avoid electrostatic charging only use a clean damp cloth.
Avoid mechanical impacts to the device (e. g. from heavy or sharp-
edged objects).
The device can get very hot during operation. To protect the device from
excessive heating, observe the required clearances and sufficient
ventilation when installing the device.
Do not use interfaces that are not intended for the use in the explosion-
hazardous area.
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