Thermo Scientific 2115 Series Operating Manual page 32

System Cleaning
Procedure (cont.)
Thermo Scientific
8. Remove syringe luer cap and attach syringe to the system luer fitting.
9. Slowly inject solution into system and remove syringe. Avoid injecting
air into the system.
10. Replace luer cap on injection port and close door.
11. Press the UP or DOWN arrow to select (YES) and then press ENTER.
Display will now read, "Reconnected Water (NO)."
12. Attach feed water supply removed in Step 4.
13. Press the UP or DOWN arrow to select (YES) and press ENTER.
Display will now read, "Unit Cleaning."
14. Unit may now be left unattended until display reads, "Cleaning
Complete: Press ENTER."
15. After cleaning is complete the unit will return to the (Idle) mode.
16. Press the START/STOP switch to return the unit to the normal
recirculation mode.
17. Remove the new 0.2 micron filter
and bell assembly from the bag
and insert it into the dispenser
arm manifold. Gently turn it
clockwise until it is fully seated.
18. Remove the protective cap from
the filter bell. Turn the dispense
knob to the left or right and flush
1-2 liters of water through the 0.2
micron filter. The product water
is now ready for use.
Note For more demanding applications where low TOC water is required,
a rinse of 15-20 liters through the cartridges and 0.2 micron filter may be
necessary.
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Caution Never dispense water without first installing hose barb provided in
parts bag or final filter supplied with cartridge pack.
Note After cleaning is complete, the cleaning timer will need to be reset
(refer to Resetting the Cleaning Timer) for another six month timing
sequence.
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0.2 Micron Filter
Figure 7-3. Install 0.2 Micron Filter
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Nanopure TOC - UV
Section 7
Initial Operation
7-5