BUCHI KjelDigester K-449 - Manual (Page 32)

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5 Installation
KjelDigester K-446/K-449 Operation Manual
b Tasks
WARNING
Risk of acid or toxic fume inhalation with a wrong setting of the Scrub-
ber control.
Serious injuries or death can result.
1. Make sure the Scrubber is removing fumes during the complete digestion
process.
1. Press a [STOP] until the Scrubber control menu appears.
2. Adjust the interval time for switching on the Scrubber by pressing b [+/-].
∙Range 0 – 255 minutes.
3. Press c [ENTER] to confirm the new value.
4. Adjust the interval time for switching off the Scrubber by pressing b [+/-].
∙Range 0 – 255 minutes.
5. Press a [STOP].
∙The default menu appears.
5.6 User protection shield, installation
NOTE
Install the user protection shield when working with H
2
O
2
or larger amounts of water (>10 mL).
1. Install the user protection shield a on the rack handles b.
∙11057889 User protection shield
1
2
SCRUBBER 0
3
0
ON
OFF