Buchi B-295 SE - Operation; Preparation and Startup Procedures; In-Process Tasks and Shutdown

BÜCHI Labortechnik AG Operation | 6
Operation Manual Inert Loop B-295 SE 23/38
6 Operation
6.1 Preparing the instrument
Precondition:
R All commissioning operations have been completed. See Chapter5 "Installation",
page18
u Press the button Switch off.
6.2 Starting the instrument
NOTICE
Too frequent switching on the instrument
Too frequent switching on the instrument can cause an instrument damage.
u Wait 10 minutes before restarting the instrument.
NOTE
The correct oxygen value is between 20 - 21 %.
If this value is not reached.
4 Calibrate the oxygen sensor.
4 Replace the oxygen sensor.
Precondition:
R The instrument is prepared. See Chapter6.1 "Preparing the instrument", page23
R Make sure that the solvent receiving vessel is empty. See Chapter7.3 "Empty the
solvent receiving vessel", page28
u Switch on the connected spray dryer. See Operation manual of the connected
spray dry.
ð The signal lamp oxygen is on.
ð The signal lamp pressure is on.
u Check the oxygen value.
u Set condenser temperature. See Chapter6.6 "Setting condenser temperature",
page24
u Press the button Start.
u Make sure, that the compressor is working.
u Switch on the aspirator. See Operation manual of the connected spray dryer.
ð The signal lamp pressure is off.
u Switch on the spray gas.
u Wait until the oxygen level is less than 6 %.
ð The signal lamp oxygen is off.
u All following functions of the instrument are controlled by the spray drying system.
6.3 Tasks during spray drying
u Check the filling level of the solvent receiving vessel.
ð If necessary empty it. See Chapter7.3 "Empty the solvent receiving vessel",
page28