SS2100 H
2
S TDLAS Gas Analyzer BA02191C
4-4 Endress+Hauser
Starting up the SCS
After the SCS installation has been thoroughly checked, you are ready to begin
preparing for initial SCS startup.
To prepare for SCS startup
1. Confirm that all AC power switches for the analyzer and SCS are off.
2. If applicable, apply AC power to the electric-traced sample transport
tubing at the tracer control system.
3. If used, confirm that the sample supply line electric tracer
temperature controller at the tracer control system is set to the
temperature specified and that the sample supply line tracer is
heating to the appropriate temperature.
4. Confirm that the sample probe isolation valve is closed.
5. Confirm that the pressure regulator at the field pressure reducing
station is closed (adjustment knob turned fully counterclockwise).
6. Confirm that all sample system shut-off valves are closed.
7. Confirm that the sample bypass and analyzer flow meter metering
valves are closed (adjustment knob turned clockwise).
To start up the sample system heater
1. Turn on AC power to the sample system heater.
2. Monitor the SCS enclosure thermometer during the warm-up period
for
5-8 hours to confirm that the sample system enclosure
temperature does not exceed 65
C.
Personnel should have a thorough understanding of the operation
of the tracer power supply and control system, if used, before
operating the SCS.
Do not overtighten the metering valves or damage could occur.
The enclosure door should remain closed during the entire start-
up procedure.
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