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10. If the equipment is likely to come into contact with aggressive substances, then it is
the responsibility of the user to take suitable precautions that prevent it from being
adversely affected, thus ensuring that the type of protection is not compromised.
Aggressive substances: e.g. acidic liquids or gases that may attack metals or
solvents that may affect polymeric materials.
Suitable precautions: e.g. regular checks as part of routine inspections or
establishing from the material's data sheet that it is resistant to specific chemicals.
11. Product marking shall include the warning: Do not disassemble when an explosive
dust atmosphere is present.
Special Conditions for Safe Use
The 'X' suffix to the certificate number relates to the following special condition(s) for
safe use:
•
The equipment shall be installed such that the supply cable is protected from
mechanical damage. The cable shall not be subjected to tension or torque. If the
cable is to be terminated within an explosive atmosphere, then appropriate
protection of the free end of the cable shall be provided.
•
The equipment shall be bonded to earth by the use of approved type metal conduit
and conduit fittings.
•
The apparatus shall be supplied with an input voltage not exceeding 15 V.
•
This assessment does not cover any additional mechanical parts (e.g. conveyor belt,
idlers) that are added during installation which may require an ignition hazard
assessment as specified in EN 13463-1:2001 Annex B.
7ML19985XK81
Milltronics MSI/MMI – QUICK START MANUAL
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