Labconco FreeZone Triad Freeze Dry System 74000 Series - Manual (Page 26)

Chapter 4: Operating Instructions
Product Service 816-333-8811 or 1-800-522-7658 22
During the hold cycle of the active segment the display will alternate as
follows:
Changing the Program Parameters in the Middle
of a Run
(1) Press the DISPLAY button to obtain Monitor screen. Note the
current operating segment.
(2) Press the DISPLAY button to obtain Auto screen.
(3) By pressing the up button enter a segment number that follows the
current segment. The current segment cannot be modified while the
system is running. Press ENTER
(4) Modify as required.
(5) Press ENTER.
Stopping the Freeze Dry Cycle
1.
At the end of the last programmed segment, the freeze dry system will
automatically stop. The refrigeration system, the heater and the vacuum
pump will remain on. The display will show Segment “E” (End). To
shut off, press RUN/STOP button.
2.
To stop before the completion of the last programmed segment, press
RUN/STOP. The RUN/STOP indicator will turn off, as will the
refrigeration system, heater and vacuum pump. The display will remain
active but time functions will stop operating.
3.
Pressing the Power Switch will shut off the entire system.
4.
If the power is shut off during the program, when the power is turned
backed on the system will resume operation if the collector temperature
has not risen above –30°C. The unit will then attempt to complete the
programmed cycle from the point at which it was shut off. If the
collector temperature is greater than –30°C the system will not resume
operation. The RUN indicator and ALARM indicator will flash to
indicate power loss during the programmed run.
P1 Selected Program
SHLF Shelf Temperature
SAMP Sample Temperature (if probe is not
installed, the display shows ---)
COL Collector Temperature
SEG Shows what segment is active and holding
(H)
TR Shows time remaining segment. If time is
10.0 hours or more the time is displayed in
1/10 hours. If time is less than 10.0 hours,
the time is displayed in 1/100 hours. If the
hold time was programmed to be
indefinite, the display will show INDF.
VAC System vacuum level
M MBar
P Pascal
T Torr
P1 SHLF = -55 SAMP= -55°C
COL = -85 SEG = 1H VAC = .030M
P1 SHLF = -55 SAMP= -55°C
COL = -85 TR = 4.6 VAC = .030M