3. UNIT SPECIFICATION
• Example of a fixed program
*• Example E1: Hot-air sterilization process
The heating should switch on in 8 hours, the unit should heat up to an operating temperature of
190 *C (sterilization temperature) at a rate of 200 *C/h, maintain this temperature for 4 hours
(equalization phase and sterilization period) and should subsequently cool down at a rate of 20
•C/h.
The program should start following program selection (status command: P. on).
Fig. 5/3: Program profile - hot-air sterilization process El
190
-
C
c
1
S2 S3 S4 ' S1 - S 4«Programmsegment
:
/A
mi P3.5
P.onl
Sequence E1:
After sketching the process characteristic, select the segments which correspond to the
required sequence from the matrix .
Mark the program segments and the " P. o n" status command. Leave program Input mode.
Select 190 "C as the required operating temperature. Start the fixed program.
While the program is running the display alternates between the temperature inside the
cabinet and the current program segment.
Refer to STARTING UP WITH ADDED-FEATURE PROGRAMMING FUNCTIONS for further
information.
Issue: May, 1994
50 042 750
15/34
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