LABBOX KJD20, User Manual, Page: 7 / 21

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IV. Names of Kjeldahl Distillation Unit Parts
The Kjeldahl Distillation Unit is a special system, which can automatically distill the completely digested
samples and show the workflow in real time mode. The system mainly consists of a microcontroller,
steam generator, distillation system and an automated reagent dispensing system. The exterior
structure is shown in the following diagram:
Fig. 1. Front view
1. LCD 2. Connector for liquid-collecting tube
3. Waste receiving tank 4. Protection door 5. Digestion tube
V. Installation Instruction
1. Pre-installation Check
After the Kjeldahl Distillation Unit is unpacked, check the whole instrument and all marked spare parts
according to the attached packing list and check whether they are damaged or not. If something is
damaged, please contact the manufacturer timely. (Please keep the damaged parts.)
2. Installation Conditions:
The Kjeldahl Distillation Unit should be installed in neither excessively hot, cold or humid places nor
places with excessive sunlight exposure. Commonly, the room temperature should be maintained
between 10
℃
～ 35
℃
. The instrument should be installed on a clear, level and stable platform, which
should be close to the water source and draining sink. The distance from the instrument to the water
valve, draining sink and power supply should be shorter than one meter to ensure the convenient
operation. The distance between the instrument and the wall or other devices should be at least 40 cm.
For your safety, do not store anything on top of the instrument or any container, chemical agent or
devices etc. behind the instrument.
The pressure and temperature of the water supply should meet the certain requirement, and the water
should be clear and free of impurities (see Chapter 2 Item 2 for details). The draining sink should be
lower than the discharge outlet of Kjeldahl Distillation Unit to ensure the good water-discharging
performance.