18
4 Putting into operation
BÜCHI
Vac
V-500/V-501/V-502/V-503
4.7
Büchi Vac V-500 with multiple Vacuum
Controllers V-800
The vacuum pump and the vacuum system can both be fitted
with 2 or more vacuum controllers at any time.
Hose connections:
R1
to the vacuum connection of the respective rotation
evaporator
Contr.
to the respective vacuum controller V-800
Pump
first valve unit to the V-500 pump inlet
(intake end)
second “pump” valve unit to R2 on first valve unit
(see A)
fit sealing cap on R2 of the second valve unit
A
connection between first valve unit and second valve
unit
B
to rotation evaporator 1
C
to rotation evaporator 2
Electrical connections:
Valve units
connect to Plug „V“ of the respective
vacuum controller
Control cable 1. V-800
join to connection Pump of the first
V-800 and to connection 24 V ~= on
the rear side of the V-500
Control cable 2. V-800
join to connection Pump of the se-
cond V-800 and to the double plug of
the control cable of the first V-800.
Using the same method, additional users can be connected
to each other via valve units.
R1
R2
Pump
Controller
Fig. 22: Connection of multiple vacuum controllers V-800
1. Ventileinheit
B
2. Ventileinheit
C
A
