SS2100i-1 Gas Analyzer
B–6 4900002224 rev. E 12-18-20
3. If possible, purge the system with nitrogen for 10 minutes.
4. Open the enclosure cover.
5. Remove the keypad and display control cable from the clips at the
top of the enclosure. Refer to Figure B–3 on page B–7.
6. Disconnect the optical head cable.
7. Disconnect the temperature/pressure cables by removing the green
connector block.
8. Slide the wire duct cover at the left of the enclosure towards the top
and disconnect the heater power terminal.
9. Disconnect the Watlow controller.
10. Remove the four mounting screws from the four corners of the
electronics panel and set them aside. You are now ready to remove
the electronics panel.
11. Gently pull the electronics panel towards you, away from the
enclosure, tilting the panel forward slightly to lift up and over the
wires connected at the base of the enclosure.
12. Support the electronics panel without completely removing it from
the enclosure. Refer to Figure B–4 on page B–7.
13. Depending on the measurement cell installed in your system, refer
to either “To remove the cell and mirror assembly (28 m/8
m)” on page B-9 or “To remove the mirror assembly (0.8
m/0.1 m)” on page B-10.
Toreplacetheelectronicsassembly
1. Replace electronics assembly panel, lifting and tilting backwards
towards the back of the enclosure to clear cables at the base.
Process samples may contain hazardous material in potentially
flammable and/or toxic concentrations. Personnel should have a
thorough knowledge and understanding of the physical properties
of the sample and prescribed safety precautions before operating
the analyzer.
All valves, regulators, switches, etc. should be operated in
accordance with site lock-out/tag-out procedures.
While replacing electronics assembly panel, gently pull all wires
from measurement cell panel forward into the analyzer enclosure
along the notched openings so that connections can be made after
panel is securely in place.
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