20
Rotavapor
R-220 EX
4 Putting into Operation
4.12 Hose Couplings
In general, observe the following items for all glass assemblies.
The cooling water inlet is always at the lower condenser
connection.
When there are two condensers (D2 und DB2), the two con-
densers can be connected serially, the additional condenser
being cooled first.
The following is the key for all of the hose diagrams on these
two pages.
Cooling water inlet for first condenser
Cooling water outlet for first condenser
Cooling water inlet for second condenser
Cooling water outlet for second condenser
Vacuum cover
Vacuum controller
T-piece (026117)
Fig. 4.17: Hose Couplings 1
