Endress+Hauser CYA251 Operating Instructions Manual Download | Manualshive

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BA00495C/07/EN/02.12
71189534

Operating Instructions

Flowfit CYA251

Flow assembly for nitrate/SAC, turbidity and oxygen sensors

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Summary of Contents for CYA251

Page 1: ...BA00495C 07 EN 02 12 71189534 Operating Instructions Flowfit CYA251 Flow assembly for nitrate SAC turbidity and oxygen sensors ...

Page 2: ......

Page 3: ...itions 7 3 3 Installation instructions 10 3 4 Installation with wall holder unit 11 3 5 Sensor installation 12 3 6 Cleaning 14 3 7 Post installation check 14 4 Commissioning 15 5 Maintenance 16 5 1 Cleaning the assembly 16 5 2 Cleaning the sensor 16 5 3 Cleaning agents 17 5 4 Replacing the seals 17 6 Accessories 18 6 1 Cleaning nozzle 18 6 2 Sensor adapter 18 6 3 Wall holder unit 19 7 Troubleshoot...

Page 4: ... operator Electrical connection must only be carried out by a certified electrician Technical personnel must have read and understood these Operating Instructions and must adhere to them Before commissioning the entire measuring point check all the connections Ensure that electrical cables and hose connections are not damaged Do not operate damaged products and secure them against unintentional co...

Page 5: ...RNING Cause consequences Consequences if safety message is not heeded Corrective action This symbol alerts you to a dangerous situation Failure to avoid the situation can result in a fatal or serious injury CAUTION Cause consequences Consequences if safety message is not heeded Corrective action This symbol alerts you to a dangerous situation Failure to avoid this situation can result in minor or ...

Page 6: ...ator opens in a separate window You can now configure your device and receive the complete order code that applies for the device 4 Afterwards export the order code as a PDF or Excel file To do so click the appropriate button at the top of the page 2 3 Scope of delivery The scope of delivery comprises Flow assembly in the version ordered contains the sensor adapter and process connection Accessori...

Page 7: ...o store or to transport the product must provide shock protection and humidity protection The original packaging offers the best protection Also keep to the approved ambient conditions see Technical data If you have any questions please contact your supplier or your local sales center 3 2 Installation conditions 3 2 1 Dimensions a0016082 Fig 1 Dimensions Sensor CAS51D 2 mm CAS51D 8 mm CAS51D 40 mm...

Page 8: ...the pressure p1 must be greater than the pressure p2 This is achieved by installing an orifice plate in the main pipe a0016023 Fig 2 Connection example involving a bypass and an orifice plate in the main pipe a0017221 Abb 3 Connection example involving a bypass and an orifice plate in the main pipe assembly rotated by 90 inlet at bottom p1 p2 p1 p2 ...

Page 9: ...designed to be connected to pipes and hoses You require the following at the mounting location to install the assembly Part name Where required Two shutoff valves For the bypass solution One shutoff valve For the solution with an open outlet Orifice plate in the main pipe For the bypass solution Dirt filter 500 μm or finer If the medium contains coarse dirt particles Pressure reducing valve If the...

Page 10: ...ystem comprises Flowfit CYA251 flow assembly A 40 mm sensor e g CAS51D Transmitter e g Liquiline CM442 Measuring cable a0016022 Fig 5 Measuring system example 1 Process pipe 2 Liquiline CM442 transmitter 3 Measuring cable 4 Return line with shutoff valve 5 CYA251 flow assembly with 40 mm sensor 6 Inlet with shutoff valve ...

Page 11: ...in a branch pipe with an open outlet Install a shutoff valve upstream of the flow assembly Mount the assembly in a vertical upright position or rotated by 90 Make sure that the position of the inlet guarantees automatic venting Establish the medium connection using commercially available connection fittings If the medium contains coarse dirt particles install a filter upstream of the flow assembly...

Page 12: ... and dummy cover 1 Inner O ring at top 2 Inner O ring at bottom 3 Dummy cover 4 Bottom fixing ring Prepare to install the sensor as follows 1 Lightly lubricate the O ring on the sensor head 2 Loosen the bottom fixing ring and remove the dummy cover 3 Make sure that there is lubricant on the bottom O ring inside the flow assembly 4 Screw the dummy cover and the fixing ring back on 5 Make sure that ...

Page 13: ...en the fixing ring on the cleaning connection For the CUS31 sensor Align the sensor as illustrated in å 10 The slanted side must point in the direction of the cleaning connection The following step only applies if the cleaning option has been ordered plug the cleaning nozzle into the cleaning connection and tighten the fixing ring on the cleaning connection For the COS61 and COS51D sensors No spec...

Page 14: ... at the cleaning connection exactly This ensures that the medium flows through the measurement gap The following step only applies if the cleaning option has been ordered plug the cleaning nozzle into the cleaning connection in such a way that the nozzle openings point upwards and downwards Secure the position of the cleaning nozzle with an open ended wrench AF 17 mm and tighten the fixing ring on...

Page 15: ... seated correctly on the assembly and the process connection The sensor is correctly installed and connected WARNING Medium incorrectly connected to the assembly Danger of medium leaking Before applying pressure to an assembly make sure the medium is connected correctly Otherwise do not introduce the assembly into the process ...

Page 16: ...libration At regular intervals during operation Before returning the sensor for repair In line with the operating conditions but at least twice a year If a cleaning nozzle accessory is installed you can clean the sensor surfaces during operation A system pressure of 1 to 2 bar 15 to 29 psi above the process pressure is recommended for the cleaning nozzle If the assembly does not have a cleaning no...

Page 17: ...otect yourself from high temperatures and residual medium Wear protective safety gloves and goggles The seals are available as a spare parts kit see the Spare parts kits section Clean the assembly before you replace the seals see the Cleaning the assembly section Apply a thin layer of lubricant e g Syntheso Glep1 to the new seals a0016107 Fig 14 Position of the O rings Type of fouling Cleaning age...

Page 18: ... 15 CYA251 with cleaning nozzle 1 Cleaning nozzle 6 2 Sensor adapter Sensor adapter for CYA251 Adapter for installing the following sensors Order number 71144333 suitable for the COS61D COS61 COS31 sensors Order number 71144334 suitable for the COS41 COS51D sensors Order number 71144335 suitable for the CUS51D sensor Order number 71144336 suitable for the CUS31 CUS41 sensors Order number 71144337 ...

Page 19: ...Flowfit CYA251 Accessories Endress Hauser 19 6 3 Wall holder unit Wall mounting kit for CYA251 Order number 71144369 a0016088 Fig 17 Wall mounting kit 1 Hanger bolt STST 10x60 mm ...

Page 20: ... kit 3 Fixing ring Detailed information on the spare parts kits is available in the Spare Part Finding Tool which can be accessed on the Web at www products endress com spareparts_consumables 7 3 Return The device must be returned if repairs or a factory calibration are required or if the wrong device has been ordered or delivered According to legal regulations Endress Hauser as an ISO certified c...

Page 21: ...ressure temperature diagram Flow Depends on the sensor used and the sensor s properties 8 3 Mechanical construction Dimensions See the Installation section Weight 1 5 to 1 8 kg 3 3 to 4 0 lbs depending on the version Materials EPDM seals PVC PP flange Typical values For oxygen sensors approx 200 l h 53 gal hr For turbidity and UV sensors approx 100 l h 26 5 gal hr Minimum value Depends on the para...

Page 22: ...wfit CYA251 22 Endress Hauser Process connection a0016046 Fig 20 Process connections A External thread G1 PVC B Flange ANSI 1 PVC C Glue in port DN 25 PVC D Hose D20 PVC E Internal thread Rp PVC F Internal thread NPT PVC ...

Page 23: ...ns 7 Disposal 20 I Icons 5 Incoming acceptance 7 Installation 4 7 10 Installation conditions 7 M Maintenance 16 Measuring system 10 N Nameplate 6 O Operation 4 Operational safety 4 Order code 6 O rings 17 S Safety icons 5 Scope of delivery 6 Seals 17 Sensor installation 12 Spare parts kits 20 Storage 7 Symbols 5 T Technical Data 21 Transport 7 Troubleshooting 20 U Use 4 W Wall holder unit 11 ...

Page 24: ...BA00495C 07 EN 02 12 71189534 FM SGML 6 0 71189534 ...

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