Buchi Vac V-500 - 4.3 Büchi Vac V-500; 4.4 Büchi Vac V-501 with secondary condenser

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4.3 Büchi Vac V-500
 Sound absorber
 Vacuum connection to valve unit
• Screw the sound absorber onto the pump outlet.
• Connect the pump inlet to the rotation evaporator valve
unit using the vacuum hose, as shown in the drawing.
• Connect the power cable.
4.4 Büchi Vac V-501 with secondary condenser
 Stand
 Holder
 Secondary condenser
 Collecting tank
Mechanical and electrical connections
• Insert the stand  into the desired socket of the pump
and secure it with an allen wrench.
• Secure the white plastic holder  to the stand  using
an allen wrench.
• Connect the power cable.
Vacuum connections
 Connect the pump inlet to the valve unit as shown in the
drawing.
 Connect the secondary condenser to the pump outlet.
Secondary condenser
• Secure the secondary condenser  and the collecting
tank  to the holder. Make sure that the gasket has
been placed between the two glass parts.
• Connect the secondary condenser  to the condenser of
the Rotavapor with hoses. The cooling water should flow
first through the secondary condenser, then through the
Rotavapor’s condenser.
• Connect an exhaust hose to the outlet of the secondary
condenser . This hose should run into a fume hood.
Fig. 16: VAC V-501 with secondary condenser
BÜCHI Vac V-500/V-501/V-502/V-503 4 Putting into operaton
Fig. 15: V-500 connection to Rotavapor
Fig. 17: V-501 with secondary condenser connection to Rotavapor
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