
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 3CREW THE SUPPORT 햲 onto the upper surface of the
housing.
s 3ECURETHERETAININGRODBYINSERTINGTHESIDESOCKETHEAD
cap screws 햳 into the retainer.
s &ITTHEVACUUMCONTROLLERONTHERETAININGROD
s #ONNECTTHECABLESANDHOSESASDESCRIBEDINTHENEXT
Chapter.
s 4HEHOSESAREROUTEDFROMVACUUMCONNECTION',AT
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
햲
햳
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