The water still must only be installed connected to a properly
installed power connection with neuter (PE),
according to the local regulations.
It must be secured that power can be cut all-pole (switch or socket).
Please also refer to item 10 of these operating instructions "Examples for power
connections".
4. Water connections
All water connections of the water still, excepting the distillate withdrawal tap on the front, are
at the right-hand side of the unit.
Hoses for water inlet and outlet are not supplied, but have to be procured by the users.
4.1 Distillate withdrawal (1)
Distillate is withdrawn via the black plastic tap (1) on the front of the unit. The tap can be
opened in continuous or in interval positions. A laboratory hose with an inner diameter of
approx 15 mm can be fixed to the distillate withdrawal tap. The hose must be secured with a
hose clip.
Distilled water leaves the water still with a
temperature of more than 50°C.
Danger of scaldings!
4.2 Inlet separate water supply (2) (accessory, article no 2901)
The water inlet for the separate water supply (2) supplies the boiler of the water still with
pretreated water through a hose connection with built-in flow reducer (0.5 l/min). Use a
pressure hose (½", inner Ø 12.7 mm) with blockable water connection (7, hand stop valve)
to connect the hose connection with the water mains for pretreated water.
Inflow of pretreated water will not be automatically switched off when the unit is switched off
or when the storage tank is full.
4.3 Outlet separate water supply (3) (accessory, article no 2901)
Connect a ¾" hose (inner Ø 19 mm) to the outlet connection of the separate water supply (3)
and lead it to a drain on a lower level. The hose must have a slope on the complete length of
the hose, the water must flow out without back draughts.
4.4 Draining the boiler (4)
Connect a ½" hose to drain the boiler in case of cleaning and/or maintenance works
Distilled water leaves the water still with a
temperature of up to 100°C.
Danger of scaldings!
4.5 Cooling water outlet (5)
Connect a ¾" heat-resistant hose to the cooling water outlet. It must not be longer than 1.5
m. The hose has to be led to a drain on a lower level and must have a slope on the complete
length of the hose. The cooling water must be allowed to flow off without back
draughts.
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