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SAFETY INSTRUCTIONS ...............................................................

18.1 Pressure equipment directive .............................................

18.2 Certiﬁcate of conformity TR CU (EAC marking) .....................

ADDITIONAL INSTRUCTIONS FOR THE ATEX VERSION .................

19.1 Flameproof enclosure .........................................................

19.1.1 Surface temperature ..............................................

19.1.2

Connecting

conductive parts to earth .......................

19.1.3 Maintenance ..........................................................

19.1.4 Technical characteristics of the ATEX version ..........

19.1.5 Marking .................................................................

NAME PLATE ................................................................................

21 DIMENSIONS

................................................................................

22 ATEX

CERTIFICATE

.......................................................................

ATEX DECLARATION OF CONFORMITY ........................................

Содержание LT106

Страница 1: ...R MI LT Rev 3 english version Instructions manual The art of measuring Series LT Level gauge...

Страница 2: ...nd safety with no obligation to update this manual Make sure this manual goes to the end user Keep this manual in a place where you can nd it when you need it In case of loss ask for a new manual or d...

Страница 3: ...PES 18 10 AMD LIMIT SWITCH 19 10 1 Introduction 19 10 2 Operation 19 10 3 Switching point adjustment 19 10 3 1 LT models 19 10 3 2 LTL models 20 10 4 Electrical connection 20 10 5 Mounting 21 11 AMM L...

Страница 4: ...r 30 14 4 1 Electrical connection 30 14 4 2 Mounting 30 14 5 Compact transmitter 31 15 LTDR TRANSMITTER 32 16 MAINTENANCE 32 16 1 Series LT 32 16 2 AMD limit switch maintenance 32 16 2 1 Electrical ve...

Страница 5: ...NSTRUCTIONS FOR THE ATEX VERSION 37 19 1 Flameproof enclosure 37 19 1 1 Surface temperature 37 19 1 2 Connecting conductive parts to earth 37 19 1 3 Maintenance 38 19 1 4 Technical characteristics of...

Страница 6: ...the liquid surface and moves together with it as level increases or decreases The oat is designed for the speci c working liquid density and shows the tank level by means of magnetic coupling This is...

Страница 7: ...e instruments have been veri ed in our facilities ready for installation and operation LT level gauges are supplied with the oat blocked in its bottom position by means of a stop introduced into the l...

Страница 8: ...gauges is variable depending on the working liquid density The lower the density the longer the dimension Model Liquid density kg l Lower dimension Without drain LD With drain LP With drain valves LP...

Страница 9: ...with the liquid supplied with the level gauge Insert the plug 3 in the tube and maintain in a vertical position To place the tube on the body proceed as follows Check that the rubber seal 5 is in its...

Страница 10: ...are 7 1 Model LT106 stainless steel Fix the lower half of the level to the installation Remove the adhesive tape from the lower glass tube 5 and loosen the 3 screws DIN933 M5 x 30 4 without removing t...

Страница 11: ...lower ange 7 until the upper ange 9 rests on the NBR gasket 63 x 3 15 Pay special attention in this phase of the assembly since at the same time the two guide pins 8 are inserted in the guide holes of...

Страница 12: ...upper support 12 remove the adhesive tape from the upper glass tube 14 and lower it until it rests on the seal 16 Gently press the tube longitudinally against the seal and tighten the 3 screws 4 and...

Страница 13: ...emove the screw 19 and the plug 20 and proceed to ll the glass tube 14 5 Re insert the plug 20 into the tube 14 and keeping the upper support 12 slightly pressed down tighten the clamp 11 and the scre...

Страница 14: ...and loosen the 3 screws DIN933 M5 x 30 5 without removing the nuts 3 In case there is not enough space to introduce the oat 7 through the lower part of the gauge body once the assembly has been comple...

Страница 15: ...ower ange 8 until the upper ange 10 rests on the NBR 63 x 3 gasket 16 Pay special attention in this phase of the assembly since at the same time the two guide pins 9 are inserted in the guide holes of...

Страница 16: ...support 13 remove the adhesive tape from the upper glass tube 15 and lower it until it rests on the seal 17 Gently press the tube longitudinally against the seal and tighten the 3 screws 5 and their...

Страница 17: ...emove the screw 20 and the plug 21 and proceed to ll the glass tube 15 6 Re insert the plug 21 into the tube 15 and keeping the upper support 13 slightly pressed down tighten the clamp 12 and the scre...

Страница 18: ...ken where the strips change from red to white LTL models can be supplied with graduated scale on request Reading Reading 9 FLOAT TYPES Material Maximum pressure Titanium 0 55 0 83 PN40 Titanium 0 68 0...

Страница 19: ...pposite direction by the point where the switch is returning again to the previous state As an optional element a NAMUR ampli er with a switching relay as an output element can be supplied 10 3 Switch...

Страница 20: ...in a stable position move the limit switch until the inductive sensor switches 10 4 Electrical connection For the electrical installation it is recommended to use multiple conductor cables and not si...

Страница 21: ...eld of the oat by means of a cam that pushes the micro switch lever 11 2 Operation When the oat passes through the point where the limit switch is positioned it changes the state of the micro switch a...

Страница 22: ...l the micro switch switches 11 3 2 LTL models To x the limit switch on the level gauge loosen the nuts D move the switch to the desired height and tighten the nuts D again The position of the reading...

Страница 23: ...gland for cables with outer diameters between 5 mm and 7 mm The numbering of the terminals is the following 11 5 Mounting Once the electrical connection is made and the cable gland is tightened connec...

Страница 24: ...mit switch It consists of a reed sensor that is actuated by the magnetic eld of the oat 12 2 Operation When the oat passes through the point where the limit switch is positioned it changes the state o...

Страница 25: ...the limit switch until the reed sensor switches 12 4 Electrical connection For the electrical installation it is recommended to use multiple conductor cables and not single cables in order to guarante...

Страница 26: ...ier to select the right value The VDR should have a breakdown voltage greater than 1 5 times the rms voltage The standard varistor ratings specify the rms working voltage for the varistor for example...

Страница 27: ...state of the reed sensor and therefore the output state This is maintained until the oat passes in the opposite direction by the point where the switch is returning again to the previous state 13 3 Sw...

Страница 28: ...solenoid valve coils surge arresters should be installed to protect the reed contacts With a DC supply a diode should be connected as shown For an AC supply a RC circuit can be used as shown although...

Страница 29: ...ion For each level the oat height activates a certain reed sensor incorporated in a set of resistances giving a resistive value that becomes a current proportional to the level 14 3 Models Depending o...

Страница 30: ...stay watertight The connector has a PG9 cable gland for cables with outer diameters between 4 5 mm and 7 mm The numbering of the terminals is the following In the female connector Terminal 1 Resistiv...

Страница 31: ...n the transmitter is compact it can be supplied with plastic or aluminium housing Transmitter in plastic housing Transmitter in aluminium housing Connection of these transmitters can be found in the t...

Страница 32: ...t through its analog output or into a programmable switching signal at a speci c level point TDR sensors are also known as guided radar devices The information related to these transmitters can be fou...

Страница 33: ...stop in a clockwise direction Position the cam 2 as in the drawing and tighten the screw 3 If a multimeter with resistance measurement is available connect it to terminals 1 2 of the connector Move th...

Страница 34: ...L14 PVDF 20 C 145 C LT LTL15 PTFE 20 C 150 C Ambient temperature 20 C 70 C Working pressure Models in AISI 316L PN16 PN40 up to PN100 on request Models in PVC PVC C PP PVDF PN10 Models in PTFE PN16 PN...

Страница 35: ...voltage 220 VAC Maximum switching current 0 5 A Hysteresis 6 mm Ingress protection IP65 Liquid temperature 20 C 250 C Ambient temperature 10 C 70 C 17 5 AAR limit switch Aluminium housing DIN 43650 A...

Страница 36: ...in each pressure equipment and by the written declaration of conformity The CE marking is accompanied by the identi cation number of the noti ed body involved at the production control phase The mark...

Страница 37: ...intended for use in potentially explosive atmospheres as indicated in the EC type examination certificate LOM 05ATEX2010 X and its marking Given that this instrument belongs to group II it is intende...

Страница 38: ...ommended cable The standard thread supplied for the cable gland is NPT ATEX cable glands can be placed for normal cable or armoured cable ATEX cable glands can be supplied on request The outer diamete...

Страница 39: ...serve to relate the maximum working pressure at a speci c temperature EB Distance between connections of the level gauge No Serial number Ps and Ts Maximum admissible pressure and temperature They ar...

Страница 40: ...40 21 DIMENSIONS All dimensions in mm LT LTL106 Flanged connection Threaded connection According to DN According to DN According to thread...

Страница 41: ...41 LT LTL15 PTFE All dimensions in mm LT LTL14 PP PVC PVC C PVDF According to DN According to DN...

Страница 42: ...42 All dimensions in mm LTL APR LT APR LT AMM AMD LTL AMM AMD...

Страница 43: ...43 LT AAR All dimensions in mm LT xxx ADF LTL xxx ADF...

Страница 44: ...44 22 ATEX CERTIFICATE...

Страница 45: ...45...

Страница 46: ...46 23 ATEX DECLARATION OF CONFORMITY...

Страница 47: ...47...

Страница 48: ...bstances The devices sent for repair must enclose the corresponding form which can be lled in via website from the same After Sales section Warranty for repaired or replaced components applies 6 month...

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