Connection Of Vacuum And Cooling Water Tubing - Heidolph LABOROTA 20 control automatic Betriebsanleitung

11. Connection of vacuum and cooling water tubing.

The rear panel of the unit contains a vacuum / water distributor. The central water distributor
supplies the cooler T auto, the condensate cooler and the emission condenser of the vacuum
pump with cooling water. Refer to picture (page 83) when connecting the water hoses (ID=8 mm).
They are installed within the cooler housing and connected to the cooler via screw connector.
The central connection for cooling water is set up with a ball valve (4) for flow regulation.
The central cooling water return pipe is attached to connection (15).
The different consumers are connected as follows:
Connection 17: Flow cooler T auto
Connection 13: Return cooler T auto
Connection 5: Flow condensate cooler and emission condenser
Connection 6: Return condensate cooler and emission condenser
Ball valve (5) regulates the flow of the condensate cooler and emission condenser. Ball valve (6)
has to be open fully open.
Connection of vacuum distributor and glass set is achieved via joint (8). Vacuum pipe is installed
within the housing.
Connection of automatic water supply for heating bath is done via connector (16).
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8
6
13
5
17
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15
4
E
16