Cartridge Pack Replacement - Thermo Scientific 1403 Series Operating Manual

3. Remove the carbon filter by pulling the cartridge straight out.
4. Replace the carbon filter by following the instructions located in the "Carbon Filter Installation"
section of this manual.
5. Reset the carbon timer by following "Timers" section of this manual.

Cartridge Pack Replacement

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
Thermo Scientific TII 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 block is available (Catalog No. BK1403X2). This is used to effect a
complete cleaning.
1. Turn off the Thermo Scientific TII and disconnect it from the power supply.
2. Open the right side door (Figure 5-2).
Figure 5-2 Cartridge Pack Installed
3. Loosen the wing head screw on the cartridge manifold.
4. Remove exhausted cartridge pack by lifting the unit manifold and pulling the cartridge pack out.
5. Clean the system per the instructions in System Cleaning Procedure of this manual.
6. Install new cartridge pack according to the instructions in the "Installation" section.
7. Reset the cartridge pack timer by following the "Timers" section of this manual.
8. Proceed to "Cartridge Pack Rinse Up" in the "Operation" section of this manual.
Thermo Scientific
Maintenance and Servicing
Cartridge Pack Replacement
TII Water System 5-3