
4 – 23Operation Manual KjelDigester K-446/K-449
4 Description of function
Time
Range 0 – 999minutes
Activates the heating time value for an adjustment.
Temperature
Range 30 – 450°C
Activates the heating temperature of the heating block for an adjustment.
Start
Starts a digestion process.
Stop
∙ Stops a digestion process.
∙ Enables access to the settings menu.
∙ Stops the Scrubber.
Method (K-449 only)
Range 0 – 9 methods
Up to 9 methods can be programmed. Each method contains 4 adjustable steps. In each step,
the temperature and time can be set. Also the cool down time can be adjusted.
NOTE
The first step is also used as the preheat function.
Method number0 is reserved for the manual mode on the K-449. No steps can be programed.
Step (K-449 only)
Allows to navigate forward within a method during editing.
Lift up/down (K-449 only)
Allows to move the rack up and down at any time.
4.4.3 Scrubber control (K-449 only)
5.5.6 Adjust the Scrubber control (K-449 only), (5–31).
Range 0 – 255 minutes
The Scrubber can be controlled via the KjelDigester. E.g. can the Scrubber be controlled inter-
mitted for 1minute on, for 1minute off.
NOTE
An altered value will also be active during the cooling time in the automatic mode.
BUCHI recommends to leave this setting by default (on 0min:, off 0min.) unless a adjustment
becomes necessary due to a special application.
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