Selecta PRO - NITRO M Manual page 3

MANUAL DE INSTRUCCIONES CÓDIGO 80187 REV D 01/2021 Pag.: 3
Index
1 Packing list & accessories ..........................................................................................................................27
1.1 Standard package content .......................................................................................................................................................27
1.2 Accessories ............................................................................................................................................................................27
2 Safety .......................................................................................................................................................28
2.1 Safety symbols .......................................................................................................................................................................28
2.2 Risks which the operator is subjected to ...................................................................................................................................29
2.3 Personnel training ...................................................................................................................................................................29
2.4 Proper uses of the equipment ..................................................................................................................................................29
2.5 Modifications ..........................................................................................................................................................................29
3 Working principle overview .......................................................................................................................30
4 Installation .................................................................................................................................................31
4.1 Suitable location .....................................................................................................................................................................31
4.2 Connection to power supply ....................................................................................................................................................31
4.3 Connection to tap water and waste ..........................................................................................................................................31
4.4 Water for steam generator ......................................................................................................................................................31
4.5 Connection to automatic tritator ..............................................................................................................................................31
5 Operation..................................................................................................................................................32
5.1 Insert/ Remove the sample tube ..............................................................................................................................................32
5.2 Adding NaOH .........................................................................................................................................................................32
5.3 Distillation ..............................................................................................................................................................................33
5.4 Alarms ...................................................................................................................................................................................33
6 Sample distillation ....................................................................................................................................34
6.1 Check levels of tanks ..............................................................................................................................................................34
6.2 Unit warm-up. ........................................................................................................................................................................34
6.3 Distillation. .............................................................................................................................................................................35
6.4 Titration .................................................................................................................................................................................35
6.5 Protein contents (%) calculation. .............................................................................................................................................35
7 Reagents ....................................................................................................................................................36
7.1 Prepared reagents ..................................................................................................................................................................36
7.2 Proper reagents set up ............................................................................................................................................................36
8 Checking the distiller (OQ) .........................................................................................................................37
8.1 Functional checking ................................................................................................................................................................37
8.2 Checking Nitrogen Recovery. ...................................................................................................................................................37
8.3 Blank test...............................................................................................................................................................................37
8.4 Checking Nitrogen recovery with Acetanilide. ............................................................................................................................38
9 Maintenance ...............................................................................................................................................39
9.1 Cleaning the unit: ...................................................................................................................................................................39
9.2 Hose inspection (weekly) ........................................................................................................................................................39
9.3 Preparing the unit for shipping or storing. ................................................................................................................................40
9.4 Level sensor cleaning ..............................................................................................................................................................41
10 Technical specification .............................................................................................................................42
11 Technical service ......................................................................................................................................43
11.1 Spare parts ..........................................................................................................................................................................43
11.2 Wiring diagram .....................................................................................................................................................................44
11.3 Hydrolic wiring diagram .........................................................................................................................................................45
12 Kjeldahl analysis step by step ..................................................................................................................46
12.1 Sample preparation ...............................................................................................................................................................46
12.2 Digestion ..............................................................................................................................................................................46
12.3 Dilution ................................................................................................................................................................................46
12.4 Distillation ............................................................................................................................................................................46
12.5 Titration and calculations .......................................................................................................................................................46
13 Guidelines for IQ y OQ ..............................................................................................................................47
14 Warranty ..................................................................................................................................................47
15 Troubleshooting table ..............................................................................................................................48
J
.P. SELECTA s.a.u. Autovía A-2 Km 585.1 Abrera 08630 (Barcelona) España Tel 34 937 700 877 Fax 34 937 702 362
e-mail: selecta@jpselecta.es - website: http://www.grupo-selecta.com