Code 9
9.900.900.763
9/19
U:\QA\Manualer\Arkiv\Manuals- Labogene-Origio-GKO\Manualer-WORD\ScanVac\CoolSafe
XS
XL Usermanual-Rev A5.docx
AUTOMATIC submenu:
Input PREFREEZE, TIME=XX:XX.
Input the max. pressure, PRESSURE, MAX=XXXX.XXX hpa.
In accordance with the configuration:
Input the first shelf-interval, STEP 1, TIME=XX:XX in hours and minutes.
Input the related STEP 1, SHELFTEMP.=XX in degrees C.
Input the related STEP 1, PRESS.=XXXX.XX h
P
a (the selected value should be <= 90%
off the earlier selected max-pressure).
These 3 steps are repeated a number of times.
Leave the menu as described under MANUAL submenu.
RELEASE submenu:
Leave the menu as described under MANUAL submenu.
DE-ICE submenu:
Input the DE-ICE, TIME =XX:XX in hour and minutes.
Leave the menu as described under MANUAL submenu.
STOP submenu:
Leave the menu as described under MANUAL submenu
5.1 Operation
The freeze drying process is a balance between the heat absorbed by the sample to
vaporize the ice, and the heat removed by the condenser to convert the water
vapour into ice.
It is important to remember following factors when trying to obtain efficient
utilization of the freeze dryer system.
The efficiency of the freeze drying process depends upon: