Thermo Scientific LabTower AFT 20 Operating Instructions Manual page 44

14. Now open the residual drainage of the storage tank and discard all of the water.
Close the residual drainage.
15. Screw the table back to the storage tank.
16. Replace the pure water system back to the storage tank and connect the four
connectors for power supply and the 8 pin connector (float switch, pressure
pump) to the storage tank.
17. Open the feedwater supply to the system.
18. Switch the pure water system on.
19. Fill the storage tank until the "Stand by" operating mode has been reached and
empty the tank as in 11. Repeat this process a second time.
20. Finally replace the covering hood on the storage tank.
21. The pure water system is now again at your availability to produce pure water.
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Thermo Scientific Barnstead LabTower AFT
Pure water system