Buchi SpeedExtractor E-914, Operation Manual

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4 Description of function
25
SpeedExtractor E-916 / E-916XL / E-914 Operation Manual
a
b
c
d
e
f
g
h
i
j
j
k
l
m
n
o
p
q
r
N
2
a
Solvent reservoirs (3 and 4 optional)
b
Nitrogen tank
c
Solvent valves
d
Mixer
e
Pump
f
Media valve
g
Divider
h
Overpressure valve
i
Position valves
j
Pressure sensors
k
Upper cup seals
l
Extraction cells
m
Lower cup seals
n
Cooling units
o
Outlet valve
p
Collection vials
q
Exhaust
r
Waste
4.5 Controls and connections
4.5.1 Instrument controls
a
b
c
d
e
a
Display to view the instrument software.
b
Function buttons to operate the instrument soft-
ware.
c
START button to start an extraction.
d
The STOP button comprises 3 functions:
• press once: pause the process and continue by
pressing START again
• press twice: interrupts the process and continues
with flushing using solvent and gas
• press three times: stops the process immediately,
i.e. the system remains at the very position of the
process
For more information see section 6.4.8.
e
Selection knob to define values within the instru-
ment software.