Boekel Scientific 270600 HC Thermal Mixer - Manual (Page 12)

N2400307, Rev. 1, 08/10 Page 12
button again will resume the operation. Upon completion of the operation an audible beep will
sound and the Function indicator will read “END”.
Note: Upon the completion of an operation, the unit will stop mixing. The heat/cool
function will continue to operate at the last set temperature.
To reset a program to the starting point or change function parameters during the operation
of a program, first pause the cycle by pressing the Start/Stop button. Once paused, the
mode cycle will need to be reset by pressing and holding the Start/Stop button for
approximately 3 seconds until an audible beep is heard and the function indicator reads
“STOP”. At this point you can change function parameters or start a new program cycle.
Following is an example of a Mode 3 Program. The 1
st
program step will heat at 90°C at
1200 RPM for a run time of 1h:30m, and a 2
nd
program step will cool at 25°C at 250 RPM for
a run time of 4h:00m:
1. When you enter Mode 3 a solid block indicating the 1
st
program step, will be
displayed in the upper left corner of the display as indicated in Fig. 2.
2. Use Temp arrow buttons to select 90
⁰C.
3. Use Mix arrow buttons to select 1200RPM.
4. Use Time arrow buttons to select 1h:30m.
5.
Depress the “→” button; a 2 nd
solid block indicating the 2
nd
program step will appear on
the display as indicated in Fig. 3.
6. Use Temp arrow buttons to select 25
⁰C.
7. Use Mix arrow buttons to select 250RPM.
8. Use Time arrows to select 4h:00m.
9. Depress the “Save” button if you wish to save the program.
10. Depress “Start/Stop” button to start the cycle.
11. Unit will now run for 1h:30m at 90
⁰C and 1200RPM, at the conclusion of 1h:30m the unit
will then run for 4h:00m at 25
⁰C and 250RPM.
12. The unit will stop and display “end” at the conclusion of both steps.