Filter change, inserting filters
Before installation
Be sure to install the explosion-proof filter only
in a place that is suitable. This includes:
–
Specify the installation location as a haz-
ardous area according to directive
1999/92/EC
–
Make sure that the internal ATEX docu-
mentation according to directive
1999/92/EC and the operational safety
regulations are available
Unpack the filter outside of areas with poten-
tially explosive atmospheres.
–
Handle the filter with care to not damage
the filter medium.
Hold the filter only by the edges.
–
Check the filter for external damage and
completeness,
package, transport and storage’
on page 2
incomplete filter.
Installation
Personnel:
Properly trained person
Protective equipment:
Industrial safety helmet
Light respiratory protection
Protective gloves
Before you start changing filters, switch off the ven-
tilation and air conditioning system; if necessary,
purge the system with fresh air beforehand.
1.
Remove the existing filter and the earth
cable.
2.
Then clean the system as required.
3.
Insert the new explosion-proof filter and
secure it.
Be sure to not damage the filter medium:
Handle the filter with care and only touch the
frame.
Fig. 1: Earth cable
4.
After you have inserted the filter, make an
electrical connection between the earth
cable with the terminal (1) and an earthed
system component. Make the connection in
such a way that it cannot come loose, but
can only be separated with a tool.
Filter change, inserting filters
PFG-Ex Explosion-proof pocket filter
3