Selecta 4000629, Инструкция по эксплуатации

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MANUAL DE INSTRUCCIONES CÓDIGO 80158 REV E 02/2021 Pag.: 24
J
.P. SELECTA s.a.u. Autovía A2 Km 585.1 Abrera 08630 (Barcelona) España Tel 34 93 770 08 77 Fax 34 93 770 23 62
e-mail: selecta@jpselecta.es - website: http://www.grupo-selecta.com
WARNING:
Use gloves.
The drops that falls
from the
collector or the hoses
are from
sulphuric acid.
Manipulate with caution
to avoid chemical burns on the
skin.
ATTENTION:
Possible splashes of
sulfuric acid.
Use
gloves and
protective goggles
in the manipulation of the rack with
samples
or to approach the digester for visual
inspection.
4.1 Digestion process operation
The suggested sequence for preparing and starting the complete digestion
system is:
• Prepare the reagents and the samples in the digestion tubes. See the digestor’s
instructions.
• Program the temperature controller for a three steps digestion cycle. According
to the digestor instructions manual.
• Insert the sample tubes in the block-digestor and cover them with the fume
collector.
• Check that the vacuum pump is ready. That is, the water tank and the external
circulating in OFF.
• Check that the scrubber bottles have the sodium carbonate solution.
• Assembly the hoses:
Ø 10 hose from the Scrubber to the vacuum pump.
Ø 12 hose from the collector to the Scrubber.
• Start the digestion cycle from the temperature controller.
• Start the vacuum pump.
• Visually check every 30 or 40 minutes, the digestion process.
• When finishing the digestion process, the temperature process beeps.
Then carry out the following operations, with caution:
• Remove the tubes rack from the digester without disconnecting any
hose and leave it on the holder.
• Keep the vacuum pump on.
• Remove the fume collector from the tube rack and leave it on the
holder.
• Fume collector cleaning:
You can simply clean the fume collector with water.
• Water tank emptying:
To empty the tank, just remove the «emptying tube» from the upper connector.
• Water circulating function:
The vacuum pump can also work as a water closed circuit.
- Connect the hose to the «water circulating out port».
- Place the «water circulating switch» in the ON position.
- When starting the pump, this will move the tank water to the «water circulating
out port».