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Product Service: Domestic 1-800-522-7658, International 816-333-8811
Chapter 4: Using Your Freeze Drye
5. Collector Temperature Graph Display – This
display indicates the temperature of the
collector. The highest LED indicates the
collector temperature is warmer than 10°C.
The indicators will sequence down when the
temperature reaches 10, 0, -10, -20, -30 –40°C.
When the collector temperature is –40°C or
lower the green indicator will light.
6. Recorder Jack – This standard 8 pin DIN
connector allows the user to monitor the
system parameters with a remotely connected
instrument. Signal outputs from this jack are
1) collector temperature, 2) vacuum level and
3) RS232 data stream.
7. Auto Mode Annunciator – When lit, the green
LED indicates that the Freeze Dry unit is in the
Auto Mode. In this mode, the vacuum pump
will start when the collector temperature
reaches –40°C.
8. Auto Mode Switch – Used to start or stop the
refrigeration and the Auto Mode process.
9. Manual Operation Annunciator – When lit, the
green LED indicates the Freeze Dry unit is
being controlled manually by the operator.
Each function must be started by the operator.
10. Manual Refrigeration Switch – Used to start
only the refrigeration module.
11. Vacuum Annunciator – This green LED
indicates that the vacuum pump receptacle on
the junction box has power applied.
12. Vacuum Switch – Used to start or stop the
vacuum pump.
13. Alarm Annunciator – This red LED indicates
that a system Alarm has occurred. Depress the
Menu Switch to display the alarm message on
the LCD display.
Operation Checklist
The following checklist should be followed prior
to each use of your Freeze Dryer:
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