BUCHI Distillation Unit K-355 - Manual (Page 21)

5 Putting into operation
21 K-350 Operation Manual, Version F
5 .3 .2 Drainage of cooling water
Place the drain hose for the cooling water directly into the drain. For this purpose, shorten the silicone
hose to the optimal length. The drain hose should not show any kinks, sharp bends and/or siphoning
effect. Prevent flooding inside and outside the instrument by securing the drain hose.
5 .3 .3 Storage tank connection
To connect the storage tanks, proceed as follows:
Cut the solaflex tube into pieces of the appropriate length (use an acid resistant tube, if acid is
dosed).
Insert a PTFE suction tube into the solaflex tube.
Push an EPDM sealing ring over the solaflex tube.
Now fasten the tubes to the tank with the red screw cover.
Connect the tubes at the appropriate connections at the instrument side and secure them with the
clamps.
Fig. 5.: Tank connection
All pumps are self-priming, no overpressure is necessary at the tanks.
ATTENTION
To ensure proper system functioning, consider the following:
Use only distilled water for the H
2
O storage tank to keep the steam generator maintenance-free.
Make sure that the tanks are connected correctly. If the wrong tank (e. g. reagent tank containing
NaOH) is connected to the pump labelled „H
2
O steam“, the steam generator will be damaged.
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