BA02191C SS2100 TDLAS H
2
S Gas Analyzer
Endress+Hauser 3-17
2. Also, confirm that the field pressure reducing station is installed
properly at the sample probe and that the pressure regulator at the
field pressure reducing station is closed (adjustment knob turned
fully counterclockwise).
3. Check that the relief valve vent line is properly installed from the
field pressure reducing station to the low pressure flare or
atmospheric vent connection.
4. Determine appropriate tubing route from the field pressure reducing
station to the SCS.
5. Run stainless steel tubing from the field pressure reducing station
(set for the specified supply pressure, refer to Appendix A) to the
sample supply port of the SCS.
6. Bend tubing using industrial grade benders, check tubing fit to
ensure proper seating between the tubing and fittings.
7. Fully ream all tubing ends. Blow out the line for 10 to 15 seconds
with clean, dry nitrogen or air prior to making the connection.
8. Connect the sample supply tube to the SCS using the 1/4 in.
stainless steel compression-type fitting provided.
9. Tighten all new fittings 1-1/4 turns with a wrench from finger tight.
For connections with previously swaged ferrules, thread the nut to
the previously pulled up position, then tighten slightly with a wrench.
Secure tubing to appropriate structural supports as required.
10. Check all connections for gas leaks. Using a liquid leak detector is
recommended.
To connect the sample return
1. Confirm that the low pressure flare or atmospheric vent header
shut-off valve is closed.
2. Determine appropriate tubing route from the SCS to the low
pressure flare or atmospheric vent header.
3. Run stainless steel tubing from the sample return port to the low
pressure flare or atmospheric vent header connection.
Do not exceed 10 PSIG (0.7 barg) in sample cell. Damage to cell
may result.
All valves, regulators, switches, etc. should be operated in
accordance with site lock-out/tag-out procedures.
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