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Section 12
Maintenance and Servicing
Cartridge Pack
Replacement
12-4
Nanopure Life Science (UV/UF)
The frequency with which you will need to clean your unit and replace
your cartridge pack is dependent on your feed water's characteristics, your
purity requirements and your usage. Clean your Nanopure and replace the
cartridge pack when the product water purity drops below acceptable levels
of resistivity, when organic levels become too high, or if a new 0.2 micron
filter clogs rapidly after installation even though the cartridge pack was
thoroughly rinsed before the 0.2 micron filter was installed. The simple-to-
use cleaning syringe is available (Catalog Number CMX25). This is used to
effect a complete cleaning.
Warning Depressurize system prior to removing cartridge pack.
Warning A full cartridge pack may weigh about 20 lbs (9 kg).
1. Remove the feed water line by depressing the stainless steel thumb pad.
2. Depressurize the system according to "System Depressurization" under
the "Maintenance and Servicing" section.
3. Shut power OFF to the unit and disconnect the electrical service to the
unit.
4. Open the front ( left side) door.
5. Loosen the wing head screws on the cartridge manifold.
6. Remove the exhausted
cartridge pack by lifting the
unit manifold and pulling the
cartridge pack out.
7. Install new cartridge pack,
rinse and clean according to
the instructions in the "Initial
Operation" section.
Figure 12-1. Cartridge Pack Replacement
s
s
Thermo Scientific
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