Labconco FreeZone 1 Liter Benchtop Freeze Dry Systems 7740071 - Manual (Page 24)

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Chapter 4: Using Your Freeze Dryer
Product Service: Domestic 1-800-522-7658, International 816-333-8811
Manual Start-Up
Turn the MAIN POWER switch ON. The refrigeration system
will start and the LCD display will illuminate and read:
If the Freeze Dryer was configured in the set up steps above to run
MANUAL, the vacuum pump must be started manually by
pressing the vacuum switch.
When the collector temperature reaches –40°C the display will
read:
Press the vacuum switch. The vacuum pump will start and a
typical display reading will be:
The LCD display will show the actual temperature of the collector.
When the vacuum in the system is above 5 mBar, the vacuum
display will indicate “HI”. At 5 mBar and below, the LCD display
will show a value for the actual vacuum.
Vacuum readings at high values are intended to be used solely as
an indication of how the vacuum system is operating. The vacuum
sensor is calibrated at the low end of the normal freeze drying
range.
MANU VAC HI mBar
WAIT COLLECTOR: XXX
MANU VAC HI mBar
READY COLLECTOR: -40°C
MANU VAC 0.050 mBar
RUN COLLECTOR: -50°C