BUCHI Rotavapo R-250 - Manual (Page 19)

19
Rotavapor R-250 4 Putting into Operation
4.13 Vacuum Controller (Accessory)
The process is carried out under vacuum to optimize evapo-
risation. The V-850/855 vacuum controller is most suitable
for control.
Installation of the vacuum controller
s
ቢ onto the upper surface of the
housing.
s
cap screws ባ into the retainer.
s
s
Chapter.
s
the glass assembly (descending) or from a T-piece in the
hose (reflux) to the vacuum controller via a Y-connection
and to the pressure indicator on the front panel.
Fig. 4.18: Installation of the vacuum controller
ቢ
ባ