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22 ATEX

CERTIFICATE

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Содержание AD Series

Страница 1: ...R MI AD15 Rev 3 English version Serie AD Flow switch and indicator Instructions manual The art of measuring ...

Страница 2: ...e the quality and 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 ﬁnd it when you need it In case of loss ask for a new manual or download it directly from our website www tecﬂuid com Downloads section Any deviation from the procedures described in this instruction manual may cause user safety risks damage of the ...

Страница 3: ...NG EQUIPMENT 11 8 1 Kit contents 11 8 2 Preparing the kit 11 8 3 Assembling the AMD kit 12 8 4 Switching point adjustment 13 8 5 Electrical connection 14 8 6 Mounting 14 9 ELECTRICAL CONNECTION 14 TH6 TRANSMITTERS 10 INTRODUCTION 15 11 MODELS 15 11 1 TH6 15 11 2 TH6H 15 12 ELECTRICAL CONNECTION 15 12 1 Power supply and analog output 16 13 4 WIRE CONNECTION 16 14 HART TRANSMITTERS 17 14 1 Additiona...

Страница 4: ...D 21 17 2 1A 2A limit switch 21 17 3 AMD limit switch 21 17 4 TH6 transmitter 21 17 4 1 Power supply 21 17 4 2 Outputs 21 17 4 3 General characteristics 21 18 SAFETY INSTRUCTIONS 22 18 1 Pressure equipment directive 22 18 2 Certiﬁcate of conformity TR CU EAC marking 22 19 ADDITIONAL INSTRUCTIONS FOR THE ATEX VERSION 23 19 1 Non metallic parts 23 19 2 Connecting conductive parts to earth 23 19 3 AM...

Страница 5: ... provide a ﬂow rate signal to a remote device 2 WORKING PRINCIPLE A spring C keeps a calibrated disc B at rest When a ﬂuid ﬂows at a certain velocity it pushes the disc B forcing its displacement to an equilibrium point The distance covered by B depends on The force of the ﬂuid ﬂow F The ratio of the areas A and B The opposing force of the spring C The equilibrium between the forces F and that gen...

Страница 6: ...etic ﬂow indicator system using a pointer on a graduated scale It can also ﬁt the same limit switches as in AD15 model as well as the AMD inductive limit switches The AD15 model ﬁts 1 or 2 reed based limit switches BSP NPT BSP NPT ...

Страница 7: ...vice Before installing the flowmeter remove all the blocking elements For models ADI with the instrument in its working position move the disc and check that the indicating needle moves all over the scale and returns to zero 4 INSTALLATION If the ﬂow switch model is AD15 it should be installed in a pipe so that the arrow on the label points towards the ﬂuid direction If it is an ADI15 model the ﬂo...

Страница 8: ...the set point the sensor changes its state and maintains it until the ﬂow decreases below that value In the same instrument there may be one or two sensors depending on the points to be detected 5 1 Set point adjustment The switch housing has a mark on the side next to the graduated scale The position of this mark indicates the value at which the switch will be activated To adjust the position loo...

Страница 9: ...ould provide a fuse or circuit breaker to protect the reed switch from overloads When installing the connector make sure that the cable gland closes over the cable and that the connector with the rubber seal is well screwed down to maintain its IP rating Make sure that the contact rating is not exceeded see section 17 2 in page 21 If high loads are to be switched use an auxiliary relay When using ...

Страница 10: ... no inﬂuence on the indicator needle movement An instrument can be equipped with one or two sensors depending on the number of points to be detected A NAMUR ampliﬁer with a relay output can be supplied as an option 7 OPERATION The indicator needle moves together with the vane mounted on its shaft When the vane enters into the slot of the sensor the limit switch changes its state The sensor is moun...

Страница 11: ...dicated in the ﬁgure until it is released from the slot Ensure that the rings 5 are placed in the thread of the gland 6 If not they should be placed Remove the plugs from the indicator box with a ﬂat screwdriver and replace them by the two cable glands The cable glands that are not expected to be used should be left with the blanking plug 7 placed to preserve watertight AMD kit Quantity Material P...

Страница 12: ...rew it as shown in the ﬁgure Place the vane 3 in the position shown in the ﬁgure The height on the shaft should be such that when the vane passes through the sensor slots remains centered without touching them Tighten the screw 4 holding the vane against the shaft Slot Screw 2 Screw 2 Vane 3 ...

Страница 13: ...point the ﬁxing nuts have to be slightly loosen without removing the scale plate see ﬁgure on the next page After that place the switching point at the required scale value and ﬁx it with the nuts As standard when the instrument has only one AMD it is conﬁgured as a minimum limit switch Switching needles Switching needles Fixing nuts Fixing nuts ...

Страница 14: ...12x1 5 cable glands used are for cables with outside diameters between 2 5 mm and 6 5 mm Peel the outside insulation to free the inner cables It is recommended to tin the ends of the wires to avoid loose ends Pass the cables through the cable glands and screw down in the corresponding positions of the terminal strip Once the wiring is ﬁnished make sure that the cables are well gripped by the cable...

Страница 15: ...f 0 25 to 0 5 mm2 in order to make it easier to connect A twisted pair wiring should be used to avoid electrical interferences in the 4 20 mA loop In some instances shielded cable may be necessary Before starting the installation check that the cable glands are the right size for the cables to be used this will guarantee the instrument will stay watertight The M12x1 5 cable glands used are for cab...

Страница 16: ...and the load are connected together The instrument works in a 2 wire system that is the supply and signal line is the same It is recommended to use a twisted pair wiring or shielded cable to avoid interferences in the current loop 13 4 WIRE CONNECTION If Direct Current power supply for the transmitter is not available in the installation it will be necessary to incorporate an additional power supp...

Страница 17: ...unication it is necessary to connect a terminal or PC with a HART modem in one of the points indicated in the following ﬁgure 14 1 Additional functions with HART communication By means of the implemented commands the user can obtain the following information Flow rate value in the scale units Totalizer value even if the equipment does not have a display Reset or writing of a totalizer value Change...

Страница 18: ...riables No Number of Common Practice Commands 5 Number of Device Speciﬁc Commands 0 Bits of Additional Device Status 12 Alternative working modes No Burst mode No Write Protection Yes Electrical characteristics referred to the analog loop and communications Reception impedance Rx 3 3 MΩ Cx 1000 pF 15 WRITE PROTECT The instrument has a jumper that can be used to avoid changes in the conﬁguration Wh...

Страница 19: ...er 2 does not point zero in its rest position place the ﬂowmeter in its real working position on top of a non magnetic table If when the ﬂoat is moved the pointer moves but does not return to 0 check that the pointer hub 3 is ﬁrmly attached to the pointer shaft 1 If it isn t secure the pointer hub 3 onto the conical tip 1 of the shaft by tapping it lightly and carefully If the pointer hub is ﬁxed ...

Страница 20: ...e veriﬁcation can be done with the following circuit diagram Without the sensor the operation of the ampliﬁer can be checked using the following circuit diagram With the potentiometer the current through the NAMUR ampliﬁer can be modiﬁed The switching point must be between 1 2 mA and 2 1 mA That is with the current below 1 2 mA the output relay must have a state and above 2 1 mA the output relay m...

Страница 21: ...ot 1 mA Current with the vane out of the slot 3 mA Standard DIN EN 60947 5 6 NAMUR Ambient temperature 25ºC 100ºC 17 4 TH6 transmitter 17 4 1 Power supply 2 wire Minimum voltage TH6 0 02 Z 12 Volt Z is the load in the current loop in Ohm The minimum value is 12 VDC for Z 0 Ohm Minimum voltage TH6H 0 02 Z Rext 14 Volt Z is the load in the current loop in Ohm The minimum value is 18 VDC for Z 0 Ohm ...

Страница 22: ...pressure equipment and by the written declaration of conformity The CE marking is accompanied by the identiﬁcation number of the notiﬁed body involved at the production control phase The marking of the equipment takes into account the ﬂuid type the group of ﬂuid and the category for example G1 CATII G Gases and vapours 1 Group of liquids 1 CATII Category II Devices that due to their size are rated...

Страница 23: ...or long periods or frequently 19 1 Non metallic parts WARNING POTENTIAL RISK OF ELECTROSTATIC CHARGE The front of the housing consists of a transparent plastic window in order to let the user see the position of the pointer on the scale Since the danger of ignition by electrostatic discharge when rubbing this window can not be avoided the instrument must always be cleaned with a damp cloth WARNING...

Страница 24: ... respect to the HART protocol is the same as in the TH6 transmitter see sections 10 to 15 The technical characteristics that differ from TH6 transmitters are the following Maximum voltage 30 VDC Maximum load in the 4 20 loop 900 Ω at 30 VDC supply voltage Ambient temperature 20ºC 40ºC The rest of characteristics are the same as TH6 transmitter see section17 4 The speciﬁc intrinsic safety parameter...

Страница 25: ...number CE marking ATEX marking Certiﬁcation number Address of the manufacturer 20 FLOW RANGES Thread BSP NPT Flow scales l min water 0 25 1 0 5 2 5 1 5 1 5 10 2 17 5 30 6 40 1 10 50 1 15 70 1 40 160 2 70 220 2 100 270 Equivalent ﬂow ranges for air at 1 bar abs 20ºC in Nl min can be calculated approximately by multiplying by 8 the ﬂow rate in water ...

Страница 26: ...ensions in mm R A B L Weight kg 30 72 140 0 9 BSP 30 72 126 1 2 NPT 30 72 156 1 3 BSP 35 74 126 1 6 NPT 35 74 166 1 7 1 BSP 40 77 126 1 8 1 NPT 40 77 180 1 9 1 50 82 160 2 4 1 60 87 180 3 2 80 97 200 3 2 2 100 107 200 3 6 ...

Страница 27: ...0 0 9 BSP 30 73 126 1 2 NPT 30 73 156 1 3 BSP 35 75 126 1 6 NPT 35 75 166 1 7 1 BSP 40 78 126 1 8 1 NPT 40 78 180 1 9 1 50 83 160 2 4 1 60 88 180 3 2 80 98 200 3 2 2 100 108 200 3 6 The dimension B of the AD15 model previous page is valid for ADI15 ...

Страница 28: ...28 22 ATEX CERTIFICATE ...

Страница 29: ...29 ...

Страница 30: ...30 ...

Страница 31: ...31 23 DECLARATIONS OF CONFORMITY ACCORDING TO ATEX ...

Страница 32: ...xic substances The devices sent for repair must enclose the corresponding form which can be ﬁlled in via website from the same After Sales section Warranty for repaired or replaced components applies 6 months from repair or replacement date Anyway the warranty period will last at least until the initial supply warranty period is over TRANSPORTATION All consignments from the Buyer to the Seller s i...

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