Nanopure™ Analytical 12-1
Thermo Scientific
Section 12
Maintenance and Servicing
Disconnect electrical service to the unit. Wipe exterior surfaces with lightly
dampened cloth containing mild soap solution.
Warning
Avoid splashing detergent or acid on clothing or skin.
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• Ensure all piping connections are tight to avoid chemical leakage
• Carefully follow manufacturer’s safety instructions on labels of chemical
containers and material safety data sheets.
Caution
Feed water must be disconnected and the system must be
depressurized before performing the cell cleaning procedure.
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1. Disconnect inlet water and depressurize. See “System Depressurization”
section.
2. Turn unit OFF. Open right side door and remove PC board cover.
3. Disconnect cable from J2 and snip plastic cable tie located on the
inside top of unit.
4. Unscrew and remove the cell by turning the gray bushing
counterclockwise. Carefully remove O-ring to clean the cell.
5. Wash the cell in a mild detergent solution or a 10% inorganic acid
solution (follow acid manufacturers recommended handling
procedure). This may be done in an ultrasonic cleaner or with a soft
brush.
6. Thoroughly rinse the cell in deionized or distilled water following the
detergent or acid cleaning.
7. After cleaning, check the o-ring; replace if necessary.
8. Reinstall the cell into the cell well and hand-tighten.
9. Reroute the cable and reconnect to J2 on circuit board.
Cell Cleaning
