°C
°C
Page 36
Service Manual TDRac
PKII
USA form 9120931 rev. 09/2022
The program calculates the surface from the
diagram below the curved line. (tempera-
ture * time). The result is the so called heat
number. This heat number is stored into
the cooking program.
All further cooking programs will try to get
the same heat number.
The second diagram shows an example with
full load. It takes more time for the unit to
reach the programmed cooking tempera-
ture. See dashed line. The surface above
the dashed line represents the missing part
of the heat number. The cook correction
will put this missing part behind the nor-
mal cooking time. Therefore extra time is
added in order to reach the desired heat
number.
It is also possible that time is deducted in case
a smaller load has been put into the oven.
Time will be added in case of:
A bigger load.
A colder load. (straight from the freezer)
A lower mains voltage.
Somebody opened the door.
Time will be deducted in case of:
A smaller load.
A warmer load. (defrosted)
Higher mains voltage.
Note that:
In case the time or temperature will be
changed in the cooking program, the heat
number will be adapted with this amount.
°C
°C
Extra time
Cooking time
Temperature curve
with half load
The automatic cook correction facility will automaticly add or deduct time to the pro-
grammed cooking time in order to have constant cooking quality.
To activate it, the parameter “auto correct” has to be put on “time”.
Go to the manager menu --> Reference cook and activate it.
Then select a (new) program.
It is recommended to do that cook with a half to 3/4 load.
The heat number is stored in the cooking
program. In case such a program is cop-
ied, the heat number goes with it.
It is possible that in case the program has
changed a lot, the cook correction is not
able to perform well anymore. In that
case the program has to be deleted and
reprogrammed with the good param-
eters.
It is possible to disable this auto cook cor-
rection feature in the service parameters.
See “parameter listings” -> “auto correct.
AUTOMATIC COOK CORRECTION
half load
full load
Summary of Contents for TDR auto-clean Series
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