Buchi Vac V-500 - 4.6 Büchi Vac V-503

17
4.6 Büchi Vac V-503
 Stand
 Valve unit
 Holder
 Vacuum Controller V-800
 Secondary condenser
 Collecting tank
Mechanical and electrical connections
• Insert the stand  into the desired socket on the pump
and secure it.
• Secure the white plastic holder  to the stand .
• Fasten the vacuum controller V-800  to the stand .
• Insert the valve unit  into the holder .
• Attach the cable from the valve unit  to the vacuum
controller connection „V“ (Connection A).
• Join the connection Pump of the vacuum controller to the
24 V ~= on the V-500 with the control cable (Connection B).
• Connect the power cable.
Vacuum connections
The following vacuum connections are made using the vacuum
hose:
•• Pump inlet to the valve unit  (via the connection “pump”).
•• Rotation evaporator to the valve unit 
(via the connection “R1”).
•• Vacuum controller V-800 to the valve unit 
(via the connection “V.Contr.”).
• Fit sealing cap on connection R2.
Secondary condenser
• Secure the secondary condenser and the collecting tank
to the holder  as shown in the diagram. 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 the pump outlet to the secondary condenser, see
3.5.
•• Connect an exhaust hose to the outlet of the secondary
condenser. This hose should run into a fume hood.
See Section 3.5 for the connections for the secondary
condenser.
Fig. 20: Büchi Vac V-503
BÜCHI Vac V-500/V-501/V-502/V-503 4 Putting into operation
Fig. 21: Installation Vac V-503 with V-800 with Rotavapor






B
Pump
V. Contr.
R1
R2
A