Ionics Instruments 2004 Page 6-25 DLM 30007-08 Rev. A
3. Use the arrows ( or ) to scroll to SETUP and press ENTER.
Scroll to SAMPLE MODE and press ENTER.
4. Use the arrows ( or ) to change the sample mode to ONLINE and
press ENTER to store the new sample mode. Press CLEAR twice to
return to the MAIN menu.
5. Turn off the power switch on the left-hand side of the analyzer.
6. Locate the 1/16" OD Teflon tubing connected to the INLET and
OUTLET bulkhead fittings (see Figure 6-22).
7. Use a 1/4" wrench to remove the Teflon tubes from the INLET and
OUTLET fitting of the analyzer.
8. Rotate the 1/16" OD stainless steel tubing from the on-line sampling
inlet block so that it is positioned near the INLET bulkhead fitting.
Connect the tubing to the inlet bulkhead fitting with your fingers, then
use the 1/4" wrench to tighten the nut 1/16 - 1/8 turn past finger-tight.
Do not overtighten; the tubing will collapse and prevent flow!
9. Install the 1/16" OD Teflon outlet line by connecting the Valco nut to
the OUTLET bulkhead fitting with your fingers, then use the 1/4"
wrench to tight the nut 1/16 - 1/8 turn past finger tight. Do not over
tighten, the tubing will collapse and prevent flow!
10. Connect the other end of the outlet line to the rubber tubing at the top
of the sample inlet system.
11. If necessary, reinstall the 1/4" OD PFA tubing with the in-line filter to
the inlet of the pressure regulator (see Figure 6-1). Thoroughly flush
the sampling port to remove any contamination, and then connect the
other end of the 1/4" OD PFA tubing to the port.
WARNING
Operation of the analyzer without the in-line filter on the sample inlet line will
damage the analyzer and void the warranty. To avoid damaging the analyzer,
install the filter and replace on a regular basis.
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