INM 937x-FB2-Px-SS Rev 1
6
3 .3
Preparation
a) Remove any temporary protection or packing materials.
b) The enclosure can be mounted on any suitable structure using the enclosure’s
integral mounting facilities.
c) The fixing bolts must be suitable for the mounting surface and the
environmental conditions.
d) It is advisable, before mounting, to do any necessary replacement of the cable
entry blanking plugs with suitable gland types. For further details
see Section 3.1 f).
3 .4 Mounting
WARNING !
To minimise the risk of ignition by electrical apparatus in hazardous
areas, efficient installation, inspection and maintenance of apparatus
and systems is essential, and the work should be carried out by suitably
trained personnel in accordance with the prevailing code of practice.
The certification documents specify “Conditions for safe use” that must
be adhered to and the copy certificate supplied should be studied and
understood. Additionally it is recommended that a working knowledge
of IEC EN 60079 -14 be attained, as this standard provides guidance in
respect to the installation of electrical equipment in hazardous areas.
3 .4 .1 Fixing the enclosure to a vertical surface
Mark hole positions as shown in Figures 3.1 or 3.2.
Open up these hole positions to a suitable size and depth.
a) It is recommended that a washer, not exceeding the 11mm diameter specified
in Figures 3.1 and 3.2, is placed under the head of each of the bolts used to fix the
enclosure to its mounting surface.
b) It is suggested that the upper fixings should be put in place first then lower, so
that the enclosure can be supported by them.
After mounting the enclosure check that:
• It has not suffered any physical damage,
• The IP rating is not affected; for example, by distortion of the enclosure,
• The mounting bolts/nuts are all tightened as recommended above.
