2 General requirements to pressurized
enclosure system PS 830
The pressurized enclosure control device PS
830 can be combined with every Ex pzc-housing
that full fills the following requirements.
2.1 General requirements
1 The Ex pzc-system must be inspected by a
skilled person of accordance to IEC 60079-
2, IEC 60079-14 and this manual.
2 Mount the solenoid valve (purging medium
input) and control unit PS 830 to an maxi-
mum of distance (optimal arrangement is
diagonal)
3 The operator must not do any technical
changes to the control unit PS 830. Any
change will invalidate the conformity state-
ment BVS 15 ATEX E 069 X and IECEx
BVS 15.0061 X.
4 Any maintenance activities has to be done
by the manufacturer.
5 Corrupt Ex p-pipe connections have to be
repaired immediately
6 The introduction of flammable gas into the
Ex pzc-housing, e.g. for gas analyser appli-
cation, is prohibited.
2.2 Mechanical requirements to the Ex pzc-
housing
1 Regard particularly IEC 60079-2, section 7
2 The Ex pzc-housing must hold the 1,5-fold
of the maximum pressure, which can be
reached inside of the cabinet, 2 mbar at
least. The operator has to define the maxi-
mum pressure of the housing and has to
program this pressure value as monitored
max. pressure into the PS 830.
3 The Ex pzc-housing must pass a impact
test according IEC 60079-0.
4 The protection class of the Ex pzc-housing
must be greater than IP54.
Manual BVS 19 ATEX E 080 X
7
Edition March 2020
thuba Ltd., CH-4002 Basel
Copyright
Switzerland
Summary of Contents for PS 830
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