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15.3 Change of the pre-treatment
1.
Remove the covering hood of the storage tank.
2.
Open the residual water drainage on the storage tank, see chapter „Views and connectors",
till the system starts running.
3.
Close the feedwater tap.
4.
Switch the pure water system off with the on/off key on the operating unit.
5.
Close the residual water drainage again.
6.
Unscrew the filter housing from the pre-treatment, see chapter „View and connectors".
Caution! The filter housing is filled with water.
7.
Change the used pre-treatment unit.
8.
Plug the new pre-filter cartridge and hardness stabilizer with the connector together,
see drawing.
40
Thermo Scientific Barnstead LabTower AFT
*
Hinweis:
Bei vorgeschaltetem Enthärter oder Mix Multi
Filter wird nur eine Vorfilterkerze 5 µm + Aktiv-
kohle 10" (Art.-Nr. 06.5201) eingesetzt.
Notice:
With pre installed Softeners or Mix Multi filter is
only a prefilter 5 µm + active carbon 10" (Article-
no. 06.5201) inserted.
Pure water system
*
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