Eppendorf Concentrator plus (New Design) - Manual (Page 33)

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Concentrator plus/Vacufuge® plus — Operating manual
5.6 Special function
5.6.1 Operation as a desiccator
With the desiccator function the rotor chamber is evacuated. However, the rotor is not turned.
You can place the sample tubes directly in the rotor chamber without a rotor or insert them into a
rotor.
1. mode/vent: select the D-AQ, D-AL or D-HV mode.
2. Then proceed as with the concentrator function (see Concentration on p. 30).
5.6.2 Operation with gel dryer
On a complete system with a gel dryer connection, a gel dryer can be run in parallel to the
operation as a concentrator and/or desiccator or used individually.
1. mode/vent: select the V-AQ, V-AL, V-HV, D-AQ, D-AL or D-HV mode.
We recommend the V-HV and D-HV modes.
If you use the gel dryer individually, you should use the D-AQ, D-AL or D-HV modes in order
to protect the drive.
2. In contrast to the concentrator or desiccator function, open the tap of the gel dryer connection
before operation ( knob points in flow direction) and close it again after operation.
When the gel dryer is operated without concentrator or desiccator function the device lid must
also be closed as a vacuum cannot be generated otherwise.
3. Then proceed as with the concentrator function (see Concentration on p. 30).
5.6.3 Operation as a centrifuge
With the centrifuge function, the rotor is turned. However, the rotor chamber is not evacuated.
1. mode/vent: select the CEFU mode.
2. Then proceed as with the concentrator function (see Concentration on p. 30).
As no vacuum is applied in this operating mode, the mode/vent key does not have any function
during operation.
WARNING!
Danger of explosion from gas mixtures.
When running several devices in parallel on a vacuum pump and/or in combination with a gel
dryer, an explosive gas mixture can develop in the vacuum system.
 Note the solvent properties and only carry out parallel operations with identical solvents or
solvents that evaporate in a non-hazardous manner.
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