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refrigeration systems shut off, the vacuum pump stops
and vacuum is purged from the chamber. An alarm
sounds until any control button is pressed.
To change the time set points, press the set point
"ENTER" button until arrows point to the "Time at 1" or
"Time at 2" set point which can be changed from 1 to 999
minutes by pressing the increase or decrease buttons. If it
is desired to have the SRF110 run continuously without
alarming at the end of a time, press the increase button
until the "Time" display says "ON" The last entered set
point is stored in memory.
If during a run the "STOP" button is pressed, the timers
remember the time at which stop occurred. If "RUN" is
then pressed, the timers continue to count down from the
time at which they were stopped. If running program 1,
program 2 or program 3, pressing "PROG 1," "PROG 2"
or "PROG 3" resets the timers to the original set point
time and the SRF110 starts a new run.
To reset the timers to the original set point time when
running programs other than program 1, program 2 or
program 3, press the RUN/STOP button and hold it for
five seconds. The display will indicate that the timer is
reset.
•
Enter Button - Press this button to select the
parameters to be modified. The selection is from left to
right, in a cyclic manner. The selected parameters are
shown by the corresponding indicator that is illuminated.
Operating parameters can be stored in memory so
protocols can be repeated. Nine programs can be stored.
To select a program, press the "ENTER" button until
arrows point to the program number indicating that this
set point can be run or altered. To change the
program number, press the increase or decrease button
until the desired program number is displayed. When the
program number is changed, all its set points change also
to indicate the last entered parameters for that program.
Store frequently run protocols in program 1, 2, or 3. Then,
by pressing "PROG 1," "PROG 2" or "PROG 3" the stored
program will be initiated without having to press any other
button. Pressing just the one button starts the rotor, the
heater, refrigeration system, the timers and the vacuum
pump.
•
Decrease Button - Decrements the value of the
selected parameter.
•
Increase Button - Increments the value of the selected
parameter.
•
Stop - Terminates a "Manual" or "Auto" run.
Note: Restoring the factory default parameters for a given
program is achieved by selecting it and then pressing and
holding down the Stop button for 3 seconds. The default
parameters associated with the program (factory default) will
be restored and the screen updated accordingly.
SpeedVac™ SRF110 Refrigerated Vacuum Concentrator
Operating the SRF110
WARNING: Moving parts can crush and cut.
Keep hands clear. Follow lock-out procedures
before servicing.
The pre-heating function requires the
temperature set point to be different than "no"
and requires the lid to be closed.
To avoid injury, do not operate the SRF110 if the
lid is scratched, nicked or shows signs of
damage. A damaged lid could fail under vacuum.
Note: If the cover is not closed, the display will show "Lid"
and the run will not start.
1. Connect the unit to its required voltage.
2. Press the SRF110 "ON" switch.
3. Select a program or set the set point parameters.
4. Preheat/Precool the chamber if desired.
5. Place sample tubes/vials in rotor in a manner to ensure
load is balanced. Normally the vials should be no more
than half full. Close cover (A safety switch prevents the
SRF from starting when the lid is open).
6. Load the rotor with samples into the chamber.
7. Close the lid. A safety switch prevents the SRF110 from
starting when the lid is open.
8. Press "RUN". If the display was showing set point
parameters, it will change to show actual parameters.
Press "RUN" again. The "S" (STOP) in the display
changes to "R" (RUN). The program on the display
alternately displays "R" or the number of the program that
is running. If you intend to run program 1, 2 or 3, simply
press "PROG 1," "PROG 2" or "PROG 3" to start the
SRF110. A latch will activate to lock the lid closed, the
rotor will start, the vacuum break valve will close and the
vacuum pump will start after the rotor reaches operating
speed.
9. Set point parameters can be altered at any time during a
run by first selecting the parameter using the set point
"ENTER" button and then pressing the "INCREASE" or
"DECREASE" button.
10. To reset the timers to the original set point time when
running programs other than program 1, program 2 or
program 3, press the RUN/STOP button and hold it for
five seconds. The display will indicate that the timer is
reset.
11. If the time set point is used, at the end of the set time an
alarm sounds. All functions cease.
Operation |
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