BA02191C SS2100 H
2
S TDLAS Gas Analyzer
Endress+Hauser 4-11
4. Connect clean, dry nitrogen to the sample inlet. Set to 30 PSIG.
5. Open the low pressure flare or atmospheric vent header shut-off
valve for the effluent from the sample bypass.
6. Allow the analyzer to purge for 20 minutes.
7. Shut off the nitrogen purge and disconnect.
8. Close the low pressure flare or atmospheric vent header shut-off
valve for the effluent from the sample bypass.
9. Cap off all connections.
Heat trace bundle sleeve (optional)
The Heat Trace Bundle Sleeve, manufactured by others, is an option for the
Endress+Hauser analyzer. Refer to Figure A–9 on page A–11.
Removing the heat trace bundle
If heat trace has been installed for the analyzer SCS:
1. Turn off external power to the heat trace bundle.
2. Disconnect the heat trace bundle wiring at the customer provided
junction box.
3. Carefully remove the heat trace bundle from the SCS cabinet.
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