Cleaning Preparation - Thermo Scientific 1403 Series Operating Manual

Cleaning Preparation

Prior to using the TII, you will need to sanitize the unit. Therefore you will install the cleaning block
(Figure 3-15) in place of the Durapack cartridge until after the cleaning step is complete. Install the
cleaning block as follows:
Figure 3-15 Cleaning Block
1. Disconnect the power cord from the unit.
2. Access the right side of the unit by unlatching the screw securing the door with a flathead
screwdriver. Open the door.
3. Remove the cleaning block from its packaging and verify that each of the four posts on the cleaning
pack has an o-ring. Wet the o-rings with water.
4. Insert cleaning block and align the block so that it mates with the unit manifold. The notched top
of the block will face the door.
5. Lower unit manifold until it is flush with the top of the cleaning block.
6. Hand-tighten winghead screw securely.
7. Close door.
Figure 3-16 Cleaning Block Installation
8. Attach barbed fitting to dispense outlet as shown in Figure 3-16.
9. Securely attach drain tubing to barb fitting and route the open end to an atmospheric drain.
10. Secure drain end of tube as pressurized water will exit the system during the cleaning procedure.
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