Eppendorf Concentrator plus (New Design) - Manual (Page 31)

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Concentrator plus/Vacufuge® plus — Operating manual
5.4.2 Concentration with continuous run
Use the continuous run function if you do not want to set a fixed run time.
1. Use the time arrow keys to set the continuous run function (oo), reachable under 0:01 or over
9:59.
2. Set all other parameters as previously described (see Concentration with time setting on
p. 30).
3. Press start/stop to start concentration.
Time counting is upwards in minute increments.
4. Press start/stop to end the concentration after the desired time.
5.4.3 During or after concentration
During the run you can:
• Time setting: change the total run time. The new parameters are adopted immediately. Note
that the shortest new total run time which can be set is the time which has already elapsed
plus 2 minutes.
• Adjust the setting of the braking function and the temperature.
• Ventilate the rotor chamber manually by holding the mode/vent key. In this way, condensation
can be removed from the device lid and the pump and the hose system rinsed.
• Check by means of a stroboscope how far the concentration has progressed.
• Stop concentration before the set run time has elapsed. To do so, press the start/stop key.
When concentration is completed
• The device stops automatically (time setting) or manually (continuous run).
• During braking the elapsed concentration time is displayed flashing.
• The rotor chamber is ventilated so that the pressure in the chamber increases slowly.
• After two seconds, the vacuum pump is switched off, and the vac indicator lamp goes out.
• Then the device brakes.
• When the rotor has come to a standstill, the lid indicator lamp lights up.
• The lid can be opened and the samples removed.
5.4.4 Completing an application
1. After the end of the application, leave the device running in D-AQ mode for 15 min with an
empty rotor.
CAUTION!
Continuous delivery can affect safe operation of the device.
When delivering liquids continuously, membranes and valves of the vacuum pump can be
damaged.
 Only use the device for applications of limited duration.
Hint!
If the device runs longer than 9:59 h, 9:59 remains on the display.
Hint!
If a temperature has been set, the rotor chamber is permanently heated, i.e. even when the rotor
is at a standstill and the lid is open. Therefore switch the device off after the application or set the
temperature to - - (no temperature set), if applicable.
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perating manual