Set-up, Do connection work, Vacuum switchbox – Heidolph Vacuum Switchbox User Manual
Page 50

50
E
5. Vacuum Switchbox
5.1. Set-up 
 
Locate vacuum switchbox on a solid and plain surface. 
 
5.2. Do 
connection
work
 
This vacuum switchbox allows to run up to 3 ea. rotary evaporators with one only vacuum pump. 
For branching and vacuum supply refer to picture. Since these 3 ea. vacuum evaporators may be 
run at different pressures, installation of 3 ea. non-return valves is mandatory. Lines and non-return 
valves come with the item. Connect vacuum pump with plug connector of the vacuum switchbox. 
 
 
System
3
System
2
System
1
 Vacuum- 
 pump
non-return 
valve 
vacuum valve
link wire
vacuum 
lines 
LABOROTA 
includes 
vacuum 
controller 
vacuum pump line
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