Operating Instructions
Contents
1. as al Pa A Raid a oy M O ff k mcam FO N4 Orifice flowmeter Operating Instructions MEC N MECON GmbH 04 2013 OI_FO_N4_EN FLOW CONTROL SYSTEMS Imprint All rights reserved It is prohibited to reproduce this document or any parts thereof withoutprior written authorization of MECON Flow Control Systems GmbH Subject to change without notice Copyright 2013 by MECON Flow Control Systems GmbH R ntgenstraBe 105 50169 Kerpen Page 2 20 www mecon de Operating Instructions F O N4 04 2013 OI FO N4 EN Contents Contents 1 Safety instructions 4 m E nrw mr 4 euism 4 1 3 Safety instructions for the operator sssssssssssssssesese enne mememesemenne nennen eene seen 5 2 Start Up eesseeeseeseseuesuuuaeuuuua aea ARR RRRRRRRRSRRRXRRRSARSRSRSRRRARSRSRSRRTASRRRASSRRRRSRRRRERERRTRSRRERERRSRSRSSREuRSNRuA 6 3 Umstallation 7 321 Installatiori instr ctioris i1 cid sian tie baad a peldadeahdiaadh ares dddaidaeabe E RAMS biaae 7 3 2 Installaatio rr 7 4 Service 8 Aol StOraGE Rer EL 8 4 2 Maintenance and cleariing sneri ioana a a a A EESO E a penuria ne FRU RR RA KA Dad 8 4 3 Returning the device to the manufacturer ssssssssssssssseseseeenenenenememe nennen nennen 8 5 Device description 9 5 1 Scope OF delivery mssins eene sene negli ua axe n casi ve ERIRIR RR RE i sie Dx Ege FEa da Xa pa Na Ua ede2. Operating Instructions F O N4 www mecon de Page 9 20 04 2013 OI FO N4 EN Device Description Special features Complies with requirements for treatment and disinfection of swimming bathing pools DIN 19 643 Simple installation Direct visualitzation of flow rate in bypass Suitable for any mounting positions without reduction in accuracy 5 3 Nameplate Important Please refer to the device nameplate to ensure that the device is built according to your order Check particularly for the corect supply voltage MEC N FLOW CONTROL SYSTEMS FO N4 7ME5832 0000 XXXx N XXXX XXXXXX XXX XXX Kerpen PED SEP L2 97 23 EG N TS xx C PS xx bar Pmax at TS xx bar Fig 3 Nameplate of the FO N4 OOOOOO Page 10 20 Code number Device specific code number Year Serial number Device specific serial number and the year it was built Category Category acc To Pressure Equipment directive PED TS Medium Maximum temperature of the medium PS Maximum pressure of the medium Pmax bei TS Maximum pressure of the medium at temperature TS www mecon de Operating Instructions F O N4 04 2013 OI FO N4 EN 7 Description Code The description code consists of the following elements 7ME5832 T T 1 L TE Ld OOoooo Flow tube 0 1 Trogamid Polysulfone Nominal diameter N Ifi o Bi o S 9 zraza rommoou o c DN 25 1 DN 32 1 4 DN 40 1 Y DN 50 2 DN 65 2 12 DN 80 3
3. 86 1 2 6 0 5 28 26 4 205 2 97 32 1 0 8 4 0 3 52 17 6 335 4 86 2 0 10 0 8 8 44 0 205 2 97 40 15 Ib s S10 5 28 26 4 335 4 86 3 2 16 0 14 1 70 0 200 2 90 50 2 2 0 10 0 8 8 44 0 330 4 79 5 0 25 0 22 0 110 200 2 90 65 2 3 2 16 0 14 1 70 0 330 4 79 16 0 80 0 39 6 198 200 2 90 80 3 5 0 25 0 22 0 110 330 4 79 20 0 100 66 0 330 190 2 76 100 4 10 0 50 0 44 0 220 300 4 79 40 0 200 106 528 190 2 76 125 5 13 0 65 0 57 0 286 325 4 71 40 0 200 172 858 190 2 76 150 6 20 0 100 88 0 440 315 4 57 70 0 350 238 1188 175 2 54 200 8 34 0 170 150 749 320 4 64 130 640 436 2179 185 2 68 250 10 50 0 250 220 1100 250 3 63 160 800 661 3301 190 2 76 300 12 80 0 400 352 1761 315 4 57 200 1000 881 4403 180 2 61 350 14 100 500 440 2202 325 4 71 270 1300 1189 5724 190 2 76 400 16 140 700 616 3082 320 4 64 320 1600 1409 7045 200 2 90 Pressure drop Operating Instructions F O N4 www mecon de Page 13 20 04 2013 OI_FO_N4_EN Measuring ranges for gases 8 Measuring ranges for gases Standard measuring ranges for gases Pe 0 bar T 0 C p 1 293 kg m3 v 0 0181 mPa s Nominal 0 1 bar S overpressure lt 0 5 bar overpressure 0 5 bar ance Minimum measuring range Maximum measuring range Maximum m
4. DN 100 4 DN 125 5 DN 150 6 DN 200 8 DN 250 10 DN 300 12 DN 350 14 DN 400 16 Standard range A Standard range B Standard range C Standard range D Standard range E Special range with additional YO1 O Description code G Measuring ranges for water in m3 h refer to the following table Nominal size A B C D E DN Inch 25 1 0 6 3 0 0 9 4 5 1 2 6 0 ee gt 32 1 1 4 0 8 4 0 1 5 7 5 2 0 10 0 ES 40 112 1 2 6 0 2 0 10 0 3 2 16 0 ec iin 50 2 2 0 10 0 3 0 15 0 5 0 25 0 zs 65 212 3 2 16 0 6 0 30 0 8 0 40 0 9 0 45 0 16 0 80 0 80 3 5 0 25 0 10 0 50 0 13 0 65 0 15 0 75 0 20 0 100 100 4 10 0 50 0 16 0 80 0 20 0 100 24 0 120 40 0 200 125 5 13 0 65 0 24 0 120 32 0 160 39 0 195 40 0 200 150 6 20 0 100 32 0 160 50 0 250 54 0 270 70 0 350 200 8 34 0 170 60 0 300 80 0 400 99 0 495 130 640 250 10 50 0 250 80 0 400 130 0 650 150 750 160 800 300 12 80 0 400 120 600 200 1 000 180 900 350 14 100 500 200 1 000 270 1 300 400 16 140 700 240 1 200 320 1 600 Operating Instructions F O N4 www mecon de Page 11 20 04 2013 OI FO N4 EN Description code Float material Mat No 1 4305 Mat No 1 4571 Mat No 1 4571 with Magnet PVC weighted PVC weitghted with Magnet Connection st
5. 8 80 3 294 11 57 138 5 43 1 9 100 4 304 11 97 158 6 22 2 0 125 5 319 12 56 188 7 40 2 3 150 6 331 13 03 212 8 35 D 200 8 359 14 13 268 10 55 3 1 250 10 385 15 16 320 12 60 3 5 300 12 410 16 14 370 14 57 4 1 350 14 444 17 48 430 16 93 5 1 400 16 466 18 35 482 18 98 5 8 Page 16 20 www mecon de Operating Instructions F O N4 04 2013 OI_FO_N4_EN Contacts 10 Contacts The bistable contact K18 is intended for signaling of limit values and for controlling purposes Special features bistable function high vibration resistance no interaction between contacts low cost plastic version easy to use elelctrical connection Mode of operation A bistable reed contact consists of a spring contact which is covered by a glass tube filled with inert gas It is operated by a magnetic field This magnetic field is generated by a permanent magnet inside the float of a MECON flowmeter There are two versions availabe QoQ K18 B MEC HhGa ceateoiaratien K18 A MEC FLOM Pentel sesiias max Schalfeistung 250 VAC OS A 10VA 250 VDC 05A 5W Schutzart IP65 CE max Schaltleistung 250 VAC 0 5A 10 VA 250 V DC 0 5A 5W Schuart IP 65 E Fig 5 Contact K 18A Fig 6 Contact K 18 B K 18 A contact closes on falling below the limit K 18 B contact closes on exceeding the limit Electrical loadability The spring contacts of the K18
6. Page 5 20 04 2013 OI FO N4 EN Start up 2 S tart up When starting up the unit the following points must be observed Make sure that the actual operating conditions pressure and temperature do not exceed the limits specified on the nameplate The calibration is carried out for defined conditions It is essential to ensure compliance with the calibration conditions Deviations of the density pressure or temperature of gases as well as density and viscosity of liquids result in errors Bends valves and the like must be installed in such a distance of the orifice unit that disturbances have subsided Orifice units with large diameters are highly sensitive to disturbance When floats with magnets and contact switches are used it is recommended during commissioning to ensure the correct position of the bistable contact by moving the float along the contact in flow direction Exceptions for the measurements of gases Page 6 20 Provide valves downstream the flowmeter if pabs gt 1 013 bar and usually upstream the flow meter if pabs 1 013 bar no overpressure Install a flow control valve close to the flowmeter downstream to prevent oscillations during the measurement Adjust the operating pressure exactly to the reference pressure during calibration to prevent measurement errors www mecon de Operating Instructions F O N4 04 2013 OI_FO_N4_EN Installation 3 Installation 3 1 Installation instructions I
7. andard 0 DIN 2501 1 ASME B16 5 150 RF Contacts only with magnetic float without Contact K18 A closes when limit is fallen below Contact K18 B closes when limits exceeded 2 Contacts K18 A 2 Contactc K18 B 1 each Contact 18 A und K18 B Bypass pipe Orifice AW PVC PVC PP PP PVC stainless steel mat No 1 4571 PP stainless steel mat No 1 4571 DN 25 1 DN 32 1 4 DN 40 1 v2 DN 50 2 DN 65 2 12 DN 80 3 DN 100 4 DN 125 5 DN 150 6 DN 200 8 DN 250 10 DN 300 12 DN 350 14 DN 400 16 Calibration certificate 0 Without calibration ceritficate 1 With calibration certificate 9 Further designs YO1 Measured medium specify in plein text medium always required measuring range with dimension sensity with viscosity with dimension operating temperature operating YOA4 Silicone free version Y99 X Special version in plain text uhWNF O hWNFO zr xoronmoos ov 9 z2 Page 12 20 www mecon de Operating Instructions F O N4 04 2013 OI FO N4 EN Measuring ranges for liquids 7 Measuring ranges for liquids Standard measuring ranges for liquids p 1kg l 62 43 Ib cu ft viscosity 1mPa s 1cP Nominal overpressure 0 5bar diameter Minimum measuring range Maximum measuring range Ap Ap DN Inch m3 h Usgpm mbar psi m3 h Usgpm mbar psi 25 1 0 6 3 0 2 64 13 2 335 4
8. are sensitive to current overload max 500 mA A high current could lead to a welding effect and this will damage the contact blades this specifically applies to inductive loads e g relais high self induction Protective circuits At great cable lengths cable capacity it is recomended to connect a protectice resitor in series to contact K18 A B for current limitation K1 8 protective pu UTI resistor Fig 7 Protective circuit for current limitation Operating Instructions F O N4 www mecon de Page 17 20 04 2013 OI FO N4 EN Contacts When using a DC power supply in combination with an inductive load it is recomended to connect a diode in parallel to the load K1 8 protective EOE resistor diode Fig 8 Protective circuit for inductive loads and DC power supply Technical data Contact material Rhodium with inert gas max switching capacity 5W 10VA Max switching voltage 250 V DC AC Contact resistance 0 1 Q Isolation resistance 101 Q Contact closing time 2 ms Contact opening time 0 07 ms Frequency of operation 2000 Hz Duration of bounce 0 5 ms Temperature range 40 C to 80 C Material of housing Plastics Electrical connection Rectangular connector acc to DIN EN 175301 803 previously DIN 43 650 Protection class IP 65 Max starting current peek 0 5 A Max switching current 230VDC 21mA 115 VDC 43mA 24 VDC 0 2A 10 VDC 0 5A Warning Observe in any case the max switching
9. at s Fig 4 Limits s Fig 4 Gasket s Fig 4 Bypass orifice plate s Fig 4 04 2013 OI FO N4 EN www mecon de Technical data Flow measurement of transparent liquids and gases Orifice plate as differential pressure sensor with variable areas meter in bypass 2 of full scale value 1 5 Any IS bar psi lt 40 104 10 145 50 122 6 25 91 60 140 2 5 36 lt 20 68 10 145 40 104 4 58 60 140 1 15 0 6 to 1 600 m3 h 2 64 to 7 045 Usgpm Special scale for liquids with a density other than 1 kg l m 3 h 1 0 1 3 mPa s Ring between flanges EN 1092 1 PN 10 DN 25 1 to 400 16 PVC PP PVC PP optional stainless steel mat No 1 4571 Trogamid up to 50 C 122 F Polysulfone up to 60 C 140 F PVC PP PVC PP Stainless steel mat No 1 4571 PVC Polysulfone Perbunan NBR Stainless steel mat No 1 4571 optional PVC Page 15 20 Technical data 9 1 Dimensions and weights 3 1 Union nut i T O Ring Q Bypass orifice D Limit 8 Flow tube 6 Setpoint indicator Q Float t Stopper H 9 Orifice plate 2 x 9 xg Fig 4 FO N4 Dimensions in mm Nominal diameter L D Weight DN Inch mm inch mm inch kg 25 p 259 10 2 68 2 68 1 4 32 14 264 10 39 78 3 07 1 4 40 il WA 269 10 59 88 3 46 175 50 2 276 10 87 102 4 02 1 6 65 2V2 286 11 26 122 4 80 1
10. capacity and the max starting current othei welding effect will damage the contact blades Page 18 20 www mecon de Operating Instructions F O N4 04 2013 OI FO N4 EN Contacts Installation of the connection cable to the connector Fig 9 Explosion drawing contact K 18 Commissioning Remove the cable gland 9 and take out the gasket kit 8 7 6 Remove the locking screw 5 and pull of the housing 4 from the insert connector 3 Insert the connection cable through the cable gland 9 the gasket kit 6 7 8 and the housing Connect the wires to terminal 1 and 2 of the insert connector Assamble the rectangular connector in reverse order as described above Please note that the cable outlet can be varied by rotating the insert connector 4 through 90 When commissioning the contact K18 we recommend to ensure the correct position of the bistable contact by moving the float along the K18 in flow direction Operating Instructions F O N4 04 2013 OI FO N4 EN www mecon de Page 19 20 Mecon GmbH R ntgenstraBe 105 D 50169 Kerpen uve AM SA TUVRheinland CERT ISO 9001 T VRheinlend MW 4 y o t 9105011 Phone 49 0 2237 600 06 0 Fax 49 0 2237 600 06 20 Email customerservice mecon de www mecon de OI_FO_N4_EN Subject to change without notice Copyright
11. e 3 paragraph 3 sound engineering practice SEP The most hazardous permissable media are for liquids and gases fluids of group 2 Page 4 20 www mecon de Operating Instructions F O N4 04 2013 OI FO N4 EN Safety Instructions 1 3 Safety instructions from the manufacturer Disclaimer The manufacturer will not be liable for any damage resulting from the use of its product including but not limited to direct indirect incidental punitive and consequential damages Any product purchased from the manufacturer is warranted in accordance with the relevant product documentation and our Terms and Conditions of Sale The manufacturer reserves the right to revise the content of its documents including this disclaimer without prior notifica and will not be liable in any way for possible consequences of such changes Product liability and warranty Mecon GmbH assumes no guarantee for repair work carried out by the customer without prior notification and consulation Any instruments or parts rejected by a customer must be returned to us if no other arrangement has been made General information This manual is intended for the correct installation as well as operation and maintenance of the devices Read this instructions carefully before installing the device and placing into operation Specially designed or customised models and specialised applications are not included in this manual Operating Instructions F O N4 www mecon de
12. e Page 7 20 04 2013 OI FO N4 EN Service A 4 1 4 2 4 3 Service Storage Keep the device in a dry and dust free place Keep away from direct sun and heat Avoid external load to the device The storage temperature range for standard devices with electrical components is about 40 70 C 40 F 158 F Maintenance and cleaning The devices were built within scope of low maintenance but periodically the flowmeters should be inspected for signs of corrosion mechanical wear as well as damage to the fitting and the display unit We advice to carry out inspections at least once a year F3 or a detailed inspection and cleaning the device must be removed from the piping Contamination especially around the bypass orifice may lead to faults in the measurement The bypass orifice plate can be dismounted and cleaned without interrupting the main flow it the ball valves are closed first Caution Appropriate safety precautions have to be taken when removing the device Always use new gaskets when reinstalling the device in the pipng Returning the device to the manufacturer This device has been carefully manufactured and tested Should you nevertheless need to return a device to MECON GmbH please observe the following points Caution O According to the actual waste disposal directives the owner customer is responsible for the waste management of hazardous and toxic waste For reasons of environmental prot
13. easuring range Ap Ap Ap DN Inch m h mbar m3 h mbar m h mbar 25 1 gt 32 1 40 1 12 0 60 0 40 36 0 180 24 100 500 125 50 2 20 0 100 36 50 0 250 22 160 800 130 65 2 20 0 100 42 130 650 22 280 1 400 138 80 3 50 0 250 38 130 650 23 400 2 000 125 100 4 100 500 38 200 1 000 22 600 3 000 115 125 5 130 650 35 360 1 800 22 1 000 5 000 130 150 6 200 1 000 34 500 2 500 22 1 500 7 500 140 200 8 250 1 250 38 500 2 500 20 2 600 13 000 135 250 10 500 2 500 36 1 300 6 500 18 4 000 20 000 130 300 12 600 3 000 37 2 000 10 000 20 6 000 30 000 140 350 14 1 000 5 000 40 2 800 14 000 23 8 000 40 000 135 400 16 1 400 7 000 35 3 600 18 000 23 10 000 50 000 125 Pressure drop Page 14 20 www mecon de Operating Instructions F O N4 04 2013 OI FO N4 EN Operating Instructions F O N4 9 Technical Data General Data Application Measuring principle Accuracy Dynamic range Flow direction Rated operating conditions Temperature and pressure limits Water and non corrosive liquids Corrosive liquids Measuring range Medium conditions Measuring unit Viscosity limits for all measuring ranges Construction design Process connection Material of wetted parts Ring Orifice plate s Fig 4 Flow tube s fig 4 Ball valve Connecting tube Flo
14. ection and safeguarding the health and safety of our personnel all devices sent to MECON GmbH to be repaired must be free of toxic and hazardous substances This also applies to cavities of the devices before returning them to MECON The customer has to confirm this by filling in an appropriate form which is available for download on the MECON website www mecon de en declaration contamination pdf Caution In case of returning devices which contain hazardous and toxic substances Mecon GmbH is entitled to dispose of these substances at cost to the customer without any further notice Page 8 20 www mecon de Operating Instructions F O N4 04 2013 OI FO N4 EN Device Description 5 Device Description 5 1 Scope of delivery 1 Orifice flowmeter FO N4 2 Operating instructions 3 Certificates optional Fig 1 Scope of devlivery Information Please check the delivery for completeness using the packing list 5 2 Versions Fig 2 Standard device with bypass and orrifce made of PVC The FO N4 orifice flowmeter primarly consists of an orifice plate as the sensor and a float as the display element A differential pressure is produced across the orifice plate which is fitted in the main stream between two flanges in the piping In a bypass this differential pressure produces a volume flow in a variable area meter The height of the float indicates the flow rate The flow is read at the position of the float s widest diameter
15. n 9 LXeAR Icirm EET 9 5 9 Nameplate com 10 6 Description code 11 7 Measuring ranges for liquids 13 8 Measuring ranges for gases 14 9 Technical Data 15 9 1 DIMENSIONS and welghts ie tein e Lia sess ia o pese sa sandeseegeadond E NA E aS 16 10 Contacts MH c c 47 Operating Instructions F O N4 www mecon de Page 3 20 04 2013 OI FO N4 EN Safety Instructions 1 1 1 1 2 Safety Instructions Intended use The FO N4 orifice flowmeter is used to measure the flow of transparent liquids and gases in closed pipes The flowmeter is suitable for any mounting location position and flow direction The flowmeter can also be used for flow monitoring if equipped with limit contacts Warning The operator of these measuring devices is solely responsible for the suitability intended use and corrosion resistance of the selected materials It must be particularly ensured that the materials selected for the wetted parts of the flowmeter are suitable for the process media to be measured The manufacturer is not liable for any damage resulting from improper or unintended use of these devices The FO N4 may only be operated within the pressure and voltage limits specified on the name plate No external loads may act upon the meter The flowmeters are primarly designed for static applications Certifications Classification by Pressure equipment directive 97 23 EC The meter meets the requirements of Articl
16. nformation All instruments are carefully checked for proper function before shipment immediately on receipt the outer packing carefully for damage or signs of im handling Report damage to the carrier and your competent sales staff In such cases a desc of the defect the type and the serial number of the device is indicated Information Unpack the unit carefully to avoid damage Information Check the completeness of the delivery by using the packing list Check the name the delivered flow meter is according to your order Especially check units with eh components for the correct supply voltage 3 2 Installation The measuring regulations for the flow DIN EN ISO 5167 not only include the version of orifice units but also require an installation conforming to standards so that the indicated uncertainty in measurement can be kept The standard installation must already be considered during the projecting of the pipeline The orifice unit must be installed in a straight pipeline which is long enough e Align orifice with the sharp edge marking to the entry side e Insert differential pressure sensor with gaskets concentrically between the flanges of the pipeline and tighten uniformly e Loosen the union nut align the indicating part vertically downwards and then tighten union nut Fig 4 e In general an inlet pipe of 10 x D and an outlet section of 5 x D is sufficient Operating Instructions F O N4 www mecon d
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