4
20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
Coolant connection at the condenser ....................33
Venting connection ................................................35
Gas ballast (GB) ....................................................36
4.5 Electrical connection ......................................................38
5.1 Switch on........................................................................40
5.2 Operation .......................................................................41
User interface ........................................................41
Operation ...............................................................42
Operation with gas ballast .....................................43
7.1 Information on service work ...........................................49
7.2 Cleaning .........................................................................52
Housing surface.....................................................52
Empty the glass flask.............................................52
Clean or replace PTFE hoses................................53
7.3 Vacuum pump maintenance ..........................................53
Maintenance items.................................................53
Preparation ............................................................54
Suction/pressure distributor maintenance .............57
Replace diaphragms and valves ...........................60
8.1 Technical data................................................................77
8.2 Wetted materials ............................................................79
8.3 Rating plate ....................................................................80
8.4 Ordering information ......................................................81
8.5 Service information ........................................................83
8.6 EU Declaration of Conformity.........................................84