SS500e/SS2000e/SS3000e Gas Analyzer
4–12 4900002230 rev. D 2-6-20
1. Isolate the analyzer from the bypass following the procedure under
“To isolate the measurement sample cell for short-term
shutdown” on page 4-10.
2. Confirm flow in the sample bypass flowmeter (the actual flow is not
critical).
3. Close the sample probe process shut-off valve at the sample supply
process tap.
4. Allow pressure in the field pressure reducing regulator to dissipate
until only a low residual pressure is indicated on the pressure gauge
at the field station.
5. Close the field pressure reducing regulator (adjustment knob turned
fully counterclockwise).
6. Close the low pressure flare or atmospheric vent header shut-off
valve for the relief valve vent from the field pressure regulator.
7. Close the sample supply shut-off valve to the SCS.
8. Leave the sample bypass flowmeter control valve open.
9. Close the low pressure flare or atmospheric vent header shut-off
valve for the effluent from the sample bypass.
10. Turn off power to the analyzer.
11. Turn off the AC power to the SCS heater and the sample tracer, if
applicable, at the power distribution panel.
All valves, regulators, switches, etc. should be operated in
accordance with site lock-out/tag-out procedures.
Although power could be shut off to the sample supply electric
tracer, it is advisable to allow this line to remain heated unless the
SCS is to be out of service for an extended period or maintenance
is required on the line.
To Next Page
Loading...
Need help?
General
