5 abort a digestion, 6 switch off the kjeldigester – BUCHI KjelDigester K-449 User Manual
Page 38
6 – 38
6 Operation
KjelDigester K-446/K-449
Operation Manual
6.5 Abort a digestion
1. Press stop [STOP] at any time during the digestion to abort a process.
NOTE
The Scrubber continues to run until the stop [STOP] button is pressed again.
CAUTION
Risk of burns from hot rack handles!
Minor or moderate burns can result.
1. Wear protective gloves when lifting the rack. Rack handles can exceed tem-
peratures of 70 °C.
2. On the K-446:
∙Lift the rack and suction module out of the heating block into the cooling position.
3. On the K-449:
∙The rack moves automatically out of the heating block into the cooling position.
6.6 Switch off the KjelDigester
NOTICE
Insufficient cooling of the device.
Switching off the device without cooling down can damage electrical compo-
nents.
1. Do not switch off the device when the heating block is warmer than 60 °C.
1. Tilt up the suction module.
2. Insert the drip tray.
3. Remove the rack.
4. Let the KjelDigester cool down.
∙The heating block is cooled down if the LED [HEAT] goes off.
5. Switch off the main switch a.