Endress+Hauser Cleanfit COA451 Operating Instructions Manual
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Endress+Hauser Cleanfit COA451 Operating Instructions Manual

Endress+Hauser Cleanfit COA451 Operating Instructions Manual

Retractable process assembly
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BA00368C/07/EN/14.20
71478861
2020-04-17
Products
Operating Instructions
Cleanfit COA451
Retractable process assembly
Solutions
Services

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Summary of Contents for Endress+Hauser Cleanfit COA451

  • Page 1 Products Solutions Services BA00368C/07/EN/14.20 71478861 2020-04-17 Operating Instructions Cleanfit COA451 Retractable process assembly...

  • Page 3: Table Of Contents

    Cleanfit COA451 Table of contents Table of contents About this document ... 4 10.3 Accessory kits ..... . 49 Warning sign .

  • Page 4: About This Document

    About this document Cleanfit COA451 About this document Warning sign Structure of information Meaning This symbol alerts you to a dangerous situation. DANGER Failure to avoid the dangerous situation will result in a fatal or serious injury. Causes (/consequences) If necessary, Consequences of non- compliance (if applicable) ‣...

  • Page 5: Symbols On The Device

    Designated use The manually operated Cleanfit COA451 retractable assembly is designed for the installation of oxygen sensors in vessels and pipelines. Their mechanical construction means that they can be operated in pressurized systems (see technical data).

  • Page 6: Operational Safety

    Basic safety instructions Cleanfit COA451 Operational safety Before commissioning the entire measuring point: Verify that all connections are correct. Ensure that electrical cables and hose connections are undamaged. Do not operate damaged products, and protect them against unintentional operation. Label damaged products as defective.

  • Page 7: Product Description

    Cleanfit COA451 Product description Product description Product design A0038438  1 Assembly in operational state (ball valve open) Bracket for sensor holder Sensor holder Bayonet lock Securing screws Grease nipple Ball valve/valve for venting or rinse connection Process connection Retraction pipe...
  • Page 8 Product description Cleanfit COA451 3.1.1 Universal sensor holder The sensor holder is used to position the sensor correctly in order to ensure correct measuring accuracy. If the sensor is not positioned correctly, the ball valve may be blocked or the sensor may be located in the dead space as a result.

  • Page 9: Incoming Acceptance And Product Identification

    Cleanfit COA451 Incoming acceptance and product identification A0038479  3 Mounting position of the bayonet nut for CUS65D or COS51D The name indicated on the holder serves as a mounting aid. The bayonet nut covers over the marking for the selected sensor position.

  • Page 10: Product Identification

     A new window (Device Viewer) opens. All of the information relating to your device is displayed in this window as well as the product documentation. 4.2.3 Manufacturer's address Endress+Hauser Conducta GmbH+Co. KG Dieselstraße 24 D-70839 Gerlingen Scope of delivery The delivery comprises: •...

  • Page 11: Certificates And Approvals

    Cleanfit COA451 Incoming acceptance and product identification If you have any questions, please contact your supplier or your local sales center. Certificates and approvals 4.4.1 CE/PED The assembly has been manufactured according to good engineering practice as per Article 4, Paragraph 3 of the Pressure Equipment Directive 2014/68/EU and is therefore not required to bear the CE label.

  • Page 12: Installation

    Installation Cleanfit COA451 Installation Installation conditions 5.1.1 Dimensions Assembly with G2" thread and weld-in adapter in measuring position (long and short stroke) 270 (10.63) (3.94) 109.5 (4.31) Ø 86 (3.39) Ø 91 (3.58) (2.64) Ø 46 (1.81) 115.5 (4.55) Ø 49.3 (1.94)
  • Page 13 Cleanfit COA451 Installation Assembly with G2" thread and weld-in adapter in service position (long and short stroke) (3.94) A0038630  5 Dimensions in mm (in) Dimensions depend on the sensor Endress+Hauser...
  • Page 14 Installation Cleanfit COA451 Assembly with flange connection (3.94) (3.94) Ø 46 (1.81) Ø 49.3 (1.94) A0038651  6 Dimensions in mm (in) Dimensions depend on the sensor Sensor CUS52D 25 (0.98) CUS50D 26 (1) CUS41/ 16 (0.63) CUS51D 5 (0.2) COS61D 12 (0.47)
  • Page 15 Cleanfit COA451 Installation Sensor measuring position CUS52D 139 (5.47) CUS50D 110 (4.33) CUS41/CUS51D, COS61D 101 (3.98) CUS65, COS51D 59 (2.32) Sensor service position, long CUS52D 638 (25.12) CUS50D 609 (23.98) CUS41/CUS51D, COS61D 600 (23.62) CUS65, COS51D 558 (21.97) Sensor service position,...
  • Page 16 Installation Cleanfit COA451 Sensor holder with sensors A0038478  7 Dimensions of sensor holder with sensors in mm (in) Endress+Hauser...
  • Page 17 Cleanfit COA451 Installation 5.1.2 Process connections 2" A0038650  8 Dimensions of process connections in mm (in) G2" female thread G2" female thread with weld-in adapter Flange DN 50 / PN 16 (as per EN 1092-1) and flange ANSI 2" / 150 lbs DN 50: Ø...
  • Page 18 Installation Cleanfit COA451 5.1.3 Installation instructions Mounting location The assembly is designed for installation on vessels and pipes. Suitable nozzles must be available for this. The minimum pipe diameter is DN 80. ‣ Before mounting the sensor, mount the assembly on the vessel or in the pipe.
  • Page 19 Cleanfit COA451 Installation Orientations A0038660  10 Orientations, schematic Sensor (see Accessories) Transmitter Retractable assembly Direction of flow The orientation depends on the sensor head. Pay attention to the Operating Instructions for the relevant sensor. An inclination of at least 15° is recommended for amperometric sensors ‣...

  • Page 20: Mounting The Assembly

    Installation Cleanfit COA451 Mounting the assembly WARNING Medium flows out. Risk of injury ‣ Only install the assembly when the process is deactivated. ‣ Before disassembling, always ensure that the process pipe and vessel are unpressurized, empty and rinsed. ‣...
  • Page 21 Cleanfit COA451 Installation 5.2.3 Sensor installation CAUTION High pressure in the rinse chamber Risk of injury from medium and pressure. ‣ Connect a hose to the vent valve and vent the rinse chamber carefully. Releasing the screws Use the following tools to install the sensor: •...
  • Page 22 Installation Cleanfit COA451 A0038432 Taking the handles, pull out the retraction pipe (item 2) together with the sensor holder (item 1) as far as it will go. Close the ball valve! Push down the hand lever as far as possible (only possible in one direction!).
  • Page 23 Cleanfit COA451 Installation A0038433 Release the grub screw (item 1) on the underside of the bayonet nut. A0038434 Unscrew the bayonet nut and the sensor holder (item 1) from the retraction pipe. In doing so, hold the retraction pipe steady and turn the handles (2) counterclockwise (approx.
  • Page 24 Installation Cleanfit COA451 Holding the handles, pull the bayonet nut, along with the sensor holder, out of the retraction pipe. When the sensor is installed, the bracket is the only possible way to check the alignment of the sensor in the process! Observe the instructions on sensor alignment in the Operating Instructions for the sensor.
  • Page 25 Cleanfit COA451 Installation Aligning the bracket A0038442 Push the bracket out of the installation bore holes.  The sensor holder bracket can be fitted in various positions at 60° intervals. In this way, you can use the bracket to mark the position of the sensor in the retraction pipe.
  • Page 26 Installation Cleanfit COA451 A0038443  13 Bracket alignment taking the example of the CUS52D sensor While paying attention to the flow side of the sensor, align the bracket with the axis of the sensor head.  In this way, you can determine the position of the sensor surface in the process and align the sensor with the medium flow.
  • Page 27 Cleanfit COA451 Installation A0038444 Hold the retraction pipe steady and tighten the bayonet nut (turn the handles clockwise). A0038433 Tighten the grub screw of the bayonet nut. Connect the rinse chamber connection. Fitting the sensor in the assembly Assembly is in the service position.
  • Page 28 Installation Cleanfit COA451 A0038445 Grease the retraction pipe.  This helps the retraction pipe move more smoothly in the direction of the measuring position. Push up the hand lever as far as possible.  The ball valve is open. Push the retraction pipe in the direction of the measuring position as far as it will go.
  • Page 29 Cleanfit COA451 Installation Tighten the grub screw again. 5.2.4 Fitting the sensor holder onto another sensor The universal sensor holder can subsequently be fitted onto another sensor. The sensor holder has several sensor-specific grooves. The desired sensor is aligned at the grooves. The grooves are used to adapt the sensor holder to the installation length of the sensor.
  • Page 30 Installation Cleanfit COA451 A0038432 Taking the handles, pull out the retraction pipe (item 2) together with the sensor holder (item 1) as far as it will go. Close the ball valve! Push down the hand lever as far as possible (only possible in one direction!).
  • Page 31 Cleanfit COA451 Installation A0038433 Release the grub screw (item 1) on the underside of the bayonet nut. A0038434 Unscrew the bayonet nut and the sensor holder (item 1) from the retraction pipe. In doing so, hold the retraction pipe steady and turn the handles (2) counterclockwise (approx.
  • Page 32 Installation Cleanfit COA451 For fixed cable sensors Release the sensor cable on the transmitter or junction box. Remove the cable from the bayonet nut and sensor holder. Removing the sensor Use the following tools to remove the sensor: • Special pliers with flat jaws for outer locking rings without bores •...

  • Page 33: Post-Installation Check

    Cleanfit COA451 Installation A0038441 Screw the sensor hand-tight into the female thread of the sensor holder. Fit the mounted sensor into the retraction pipe. Hold the retraction pipe steady and tighten the bayonet nut (turn the handles clockwise). Tighten the grub screw of the bayonet nut.

  • Page 34: Commissioning

    Commissioning Cleanfit COA451 Commissioning Function check Before first commissioning, check if: • all seals are correctly seated (on the assembly and on the process connection) • the sensor is correctly installed and connected • the water connection at the rinse connections is correct (if present).

  • Page 35: Operation

    Cleanfit COA451 Operation Operation Adapting the device to the process conditions 7.1.1 From the service position to the measuring position Check the rinse chamber connections to ensure they are closed. Open the ball valve. Push the retraction pipe in the direction of the process as far as it will go.

  • Page 36: Maintenance

    Maintenance Cleanfit COA451 Maintenance WARNING Medium flows out. Risk of injury ‣ Only install the assembly when the process is deactivated. ‣ Before disassembling, always ensure that the process pipe and vessel are unpressurized, empty and rinsed. ‣ Move the assembly to the service position.
  • Page 37 Cleanfit COA451 Maintenance 8.1.2 Disassembling the assembly Disassembling the sensor All parts in contact with the medium, such as the sensor and the sensor guide, must be cleaned regularly. Use the following tools to remove the sensor: • 2.5 mm Allen screw •...
  • Page 38 Maintenance Cleanfit COA451 A0038432 Taking the handles, pull out the retraction pipe (item 2) together with the sensor holder (item 1) as far as it will go. Close the ball valve! Push down the hand lever as far as possible (only possible in one direction!).
  • Page 39 Cleanfit COA451 Maintenance A0038433 Release the grub screw (item 1) on the underside of the bayonet nut. A0038434 Unscrew the bayonet nut and the sensor holder (item 1) from the retraction pipe. In doing so, hold the retraction pipe steady and turn the handles (2) counterclockwise (approx.
  • Page 40 Keep the sealing surfaces of the assembly free from dirt. Remove caking and buildup from time to time. If leaks are discovered, contact your Endress+Hauser sales office. Preparing the assembly The seals are available as an accessory kit. When replacing the seals, interrupt the process and remove the assembly completely.
  • Page 41 Cleanfit COA451 Maintenance • 6 mm Allen screw • Adjustable open-ended wrench (up to 45 mm) • Open-ended wrench set (only for flange connection) • Special pliers • Adjustable pin wrench DIN 1810 B, size 68 to 75 Switch off the process Empty the pipe or vessel.
  • Page 42 Maintenance Cleanfit COA451 Access to the seals A0038663  14 Seals Viton O-ring, retraction pipe Viton O-ring, between ball valve and bottom part of bayonet lock Viton O-rings, bottom part of bayonet lock Viton O-ring, sensor holder Only when replacing the O-ring, item 2: unscrew the vent cock (with safety bracket).

  • Page 43: Repair

    Cleanfit COA451 Repair Repair General notes CAUTION Risk of injury due to medium escaping and elevated temperatures Pressure safety is compromised ‣ Damage to the assembly, which compromises pressure safety, must be repaired only by authorized and qualified personnel. ‣...

  • Page 44: Spare Parts

    Repair Cleanfit COA451 Spare parts A0038665  15 Spare parts The bayonet lock nut (item 1) and dummy plug (item 6) are not available as a single spare part. Endress+Hauser...
  • Page 45 Cleanfit COA451 Repair The bayonet lock nut is contained in kit numbers 71425252 Kit retrofit univ. sensor holder short and 71425253 Kit retrofit univ. sensor holder long. The sensor holders are used to adjust the length of the different sensors to a standard installation length.

  • Page 46: Return

    The product must be returned if repairs or a factory calibration are required, or if the wrong product was ordered or delivered. As an ISO-certified company and also due to legal regulations, Endress+Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium.
  • Page 47 Cleanfit COA451 Accessories Oxymax COS61D • Optical oxygen sensor for drinking water and industrial water measurement • Measuring principle: quenching • With Memosens technology • Product Configurator on the product page: www.endress.com/cos61d Technical Information TI00387C 10.1.2 Welding socket Welding socket •...
  • Page 48 Accessories Cleanfit COA451 (1.97) A0038763  17 Welding nipple, dimensions in mm (in) Welding rinse socket DN 65 • For automatic spray cleaning of CUS51D/31/41 sensors in pipes and vessels: • Bores for DN 50 flange: 4 x 90° Ø18 on bolt circle Ø125 •...

  • Page 49: Accessory Kits

    Cleanfit COA451 Accessories Ø 70 (2.76) Ø 165 (6.50) A0038762  18 Welding rinse socket, dimensions in mm (in) Markings for bores, DN 50 flange 10.2 Service-specific accessories 10.3 Accessory kits Ball valve for rinse chamber • As rinse connection complementing or replacing the vent cock supplied;...

  • Page 50: Technical Data

    Technical data Cleanfit COA451 Technical data 11.1 Environment 11.1.1 Ambient temperature 0 to 50 °C (32 to 122 °F) 11.2 Process 11.2.1 Medium temperature 0 to 85 °C (32 to 185 °F) 11.2.2 Medium pressure Max. 10 bar (145 psi)
  • Page 51 Cleanfit COA451 Technical data Rinse connection nozzles Connection options: • 2 x ball valve with hose connection OD 9mm (see "Accessories"). (A ball valve is included in the delivery for the assembly. On its own it acts as a vent cock.) •...

  • Page 52: Index

    Index Cleanfit COA451 Index Ambient temperature ....50 Designated use ....5 Dimensions .
  • Page 56 *71478861* 71478861 www.addresses.endress.com...

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