Emerson Process Management GmbH & Co. OHG
S-7
X-STREAM XEFD
Instruction Manual
HASXEDE-IM-EX
07/2017
S
Safety Instructions
Safety Instructions
SPECIAL CONDITIONS FOR SAFE USE
•
Verified values of the maximum gaps and
minimum constructional length of flame
-
proof joints of this enclosure are different
from relevant minimum and maximum
values mentioned in standard. To obtain
information about the joints dimension it
is necessary to contact the manufacturer.
•
For the assembly of the parts of flame
proof enclosure special fasteners with
a minimum property class A*70 shall be
used.
•
The gas path for the sample gas shall be
equipped with additional appropriate flame
arresters in case of gas pressure above
1100 hPa to 1500 hPa and enclosure has
to be equipped with additional breathing
device.
•
Take special care handling flammable gas
at the outlet of breathing and/or purging
devices, if the sample gas concentration is
above 25 % LEL. If need be, such outlets
habe to end in safe area.
• Vapor recovery application: Pressure of
gases not to exceed 1100 hPa. concen-
tration of gases must be below 25 % LEL.
•
Appropriated certified Ex Equipment cable
glands shall be used in accordance with
EN 60079-14.
• Depending on the particular application
all appropriate safety instructions men-
tioned in Instruction manuals must be
considered.
EXPLOSION HAZARD BY CONNECTIONS
Consider the waiting time statement on the front door label before opening,
if the analyzer is configured with selected measurement principles!
Do not open instrument when energized.
Ensure that external circuitry is disconnected or de-energized before
opening the instrument.
Ensure that all gas connections are made as labeled and are leak free.
Improper gas connections could result in explosion and death.
