Endress+Hauser CPA871 Operating Instructions Manual
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Endress+Hauser CPA871 Operating Instructions Manual

Endress+Hauser CPA871 Operating Instructions Manual

Cleanfit
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BA01323C/07/EN/01.14
71254692
Products
Operating Instructions
Cleanfit CPA871
Flexible process retractable assembly for water,
wastewater and chemical industry
Solutions
Services

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Summary of Contents for Endress+Hauser CPA871

  • Page 1 Products Solutions Services BA01323C/07/EN/01.14 71254692 Operating Instructions Cleanfit CPA871 Flexible process retractable assembly for water, wastewater and chemical industry...
  • Page 2 Possible consequences if ignored ‣ Preventive measures This symbol alerts you to situations which may result in NOTICE damage to property. Cause/situation Possible consequences if ignored ‣ Action/note Symbols additional information, tip permitted or recommended forbidden or not recommended Endress+Hauser...

  • Page 3: Table Of Contents

    Cleanfit CPA871 Table of contents Basic safety instructions ... . . 4 Personnel requirements ..... . 4 Designated use .

  • Page 4: Basic Safety Instructions

    Designated use The Cleanfit CPA871 retractable assembly, which can be manually or pneumatically operated, is designed for the installation of sensors in tanks and pipelines. Its mechanical construction means that it can be operated in pressurized systems (see Technical data).

  • Page 5: Incoming Acceptance And Product

    Cleanfit CPA871 Incoming acceptance and product identification Incoming acceptance and product identification Incoming acceptance • Verify that the packaging is not damaged. • Notify your supplier of any damage to the packaging. Keep the damaged packaging until the matter has been settled.

  • Page 6: Installation

    Installation Cleanfit CPA871 Installation Installation 3.1.1 Orientation The assembly is designed for installation on vessels and pipes. Suitable process connections must be available for this. The assembly is designed in such a way that there are no restrictions with regard to its orientation.
  • Page 7 Cleanfit CPA871 Installation Long version (2.40) (2.40) (4.21) (2.40) (4.21) 42 (1.65) a0023895 a0023898 Fig. 3: Pneumatic drive, long version, dimensions in mm Fig. 4: Manual drive, long version, dimensions in mm (inch) (inch) Assembly in measuring position Assembly in service position...
  • Page 8 Installation Cleanfit CPA871 Immersion chamber version a0023896 a0023899 Fig. 5: Immersion chamber version with pneumatic drive, Fig. 6: Immersion chamber version with manual drive, dimensions in mm (inch) dimensions in mm (inch) Assembly in measuring position Assembly in service position...
  • Page 9 Cleanfit CPA871 Installation Process connection (EHEDG) Height XP in mm (inch) CB Clamp 2" 16 (0.63) CC Clamp 2½" 16 (0.63) FA Flange DN 40, EN1092-1 18 (0.71) FB Flange DN 50, EN1092-1 18 (0.71) FC Flange DN 80, EN1092-1 20 (0.79)
  • Page 10 Installation Cleanfit CPA871 3.1.3 Immersion depths a0023893 Fig. 7: Immersion depths Short stroke (36 mm) Long stroke (78 mm) Immersion chamber version Immersion depths in mm (inch) Versions Process connection CB Clamp ISO2852 14.9 (0.59) 61.0 (2.40) 119.9 (4.72) ASME BPE-2012 2"...
  • Page 11 Cleanfit CPA871 Installation a0024447 Fig. 8: Immersion depth in mm (inch) for process connection NA thread ISO228 G1¼ Endress+Hauser...

  • Page 12: Installation

    Cleanfit CPA871 Installation 3.2.1 Measuring system a0023901 Fig. 9: Measuring system (example) Cleanfit CPA871 assembly Measuring cable Liquiline CM44x transmitter Sensor 3.2.2 Installing the assembly in the process CAUTION If process medium leaks out, there is a risk of injury due to high pressure, high temperature or chemicals.
  • Page 13 Cleanfit CPA871 Installation 3.2.3 Pneumatic connection for automatic operation Requirements: • Air pressure of 4 to 7 bar (58 to 102 psi) • Compressed air quality as per ISO 8573-1:2001 Quality class 3.3.3 or 3.4.3 (see below) • Solids class 3 (max. 5 μm, max. 5 mg/m •...
  • Page 14 Cleanfit CPA871 3.2.4 Rinse connections The connections of the service chamber of the CPA871 retractable assembly make it possible to clean the chamber and the sensor with water or cleaning solution with a maximum pressure of 6 bar (87 psi).
  • Page 15 Cleanfit CPA871 Installation 3.2.6 Separation of service chamber and process In measuring position, the service chamber is separated from the process by the process seals and sensor guide. No process medium can get into the service chamber. a0024239 Fig. 13:...
  • Page 16 Installation Cleanfit CPA871 3.2.7 Connecting the limit position switches a0017831 Fig. 14: Inductive limit position switches Limit position switch, Service position Limit position switch, Measure position Plug, M12, solder side Coding Plug, pin side a0022163 Fig. 15: Connecting cable for limit position switch "Measuring"...

  • Page 17: Installing The Sensor

    Cleanfit CPA871 Installation Installing the sensor CAUTION If process medium leaks out, there is a risk of injury due to high pressure, high temperature or chemicals. ‣ Wear protective gloves, goggles and clothing. ‣ Install the assembly only if the tanks and piping are empty and unpressurized.
  • Page 18 Installation Cleanfit CPA871 Installing and removing sensors if the sensor adapter is visible (pos. A) a0024371 Fig. 18: Installing the sensor Open-ended wrench (AF 17/19 mm) Protection cap Dummy plug (protection cap) Sensor Gel and KCl sensors can be installed in this version.
  • Page 19 Cleanfit CPA871 Installation Installing and removing sensors if the sensor adapter is not visible (pos. B) a0024372 Fig. 19: Installing the sensor Socket wrench (AF 17/19 mm) Protection cap Dummy plug (protection cap) Sensor Retraction pipe Gel sensors can be installed in this version. To install KCl sensors, you will need a "Gel - KCl adapter".
  • Page 20 Installation Cleanfit CPA871 Installation of 360 mm gel and KCL sensors with "Gel - KCl adapter" a0024373 Fig. 20: Sensor installation, Part 1 Open-ended wrench (AF 17/19 mm) Protection cap Dummy plug (protection cap) Retraction pipe Adapter gel - KCl...

  • Page 21: Post-Installation Check

    Cleanfit CPA871 Installation a0024374 Fig. 21: Sensor installation, Part 2 Open-ended wrench Protection cap 360 mm gel or KCl sensor Always install the protection cap before moving the assembly to the measuring position. The protection cap cannot be removed in the measuring position. This prevents the sensor from being removed.

  • Page 22: Operating Options

    Operating options Cleanfit CPA871 Operating options Initial commissioning Prior to initial commissioning, ensure that: • 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 23: Operating Elements

    Cleanfit CPA871 Operating options Operating elements a0023307 Fig. 22: Position markings (service position) Assembly with pneumatic drive The assembly with pneumatic drive does not have any operating elements. Assembly with manual drive Manual drive Unlocking button a0024261 Fig. 23: Operating elements...

  • Page 24: Manual Operation

    Operating options Cleanfit CPA871 Manual operation a0024538 Fig. 24: Direction of rotation Moving the assembly from the service position to the measuring position Rotate the drive in a clockwise direction ( å 24), so that the sensor holder enters the process (this is possible only if a sensor is installed).

  • Page 25: Pneumatic Operation

    Cleanfit CPA871 Operating options Pneumatic operation The assembly can be moved only if a sensor is installed. The operation of the pneumatic version depends on the controller in question. The Operating Instructions can be found in the manual for the controller.

  • Page 26: Maintenance

    Maintenance Cleanfit CPA871 Maintenance WARNING Risk of injury if medium escapes ‣ Before each maintenance activity, verify that the process piping, the tank and the service chamber are unpressurized, empty and have been rinsed. ‣ Move the assembly to the "service" position.

  • Page 27: Cleaning Agent

    Cleanfit CPA871 Maintenance Cleaning agent The choice of cleaning agent depends on the degree and type of contamination. The most common types of contamination and the appropriate cleaning agents can be found in the following table. Type of contamination Cleaning agent...

  • Page 28: Replacing Seals

    Maintenance Cleanfit CPA871 Replacing seals To replace the seals in the assembly, you must interrupt the process and remove the assembly completely. CAUTION Risk of injury due to residual medium and elevated temperatures ‣ When handling parts which are in contact with the medium, protect yourself from residual medium and elevated temperatures.
  • Page 29 Cleanfit CPA871 Maintenance 5.4.1 Standard version 1. Release the four securing screws ( å 26, pos. 1). a0024435 Fig. 26: Replacing seals, Part 1 Securing screws 2. Remove the process connection (pos. 2). 3. Remove the o-ring (pos. 3) from the process connection (sealing disk).
  • Page 30 Maintenance Cleanfit CPA871 8. Release the four securing screws ( å 27, pos. 1). 9. Remove the support housing (pos. 7). 10.Pull the service chamber (pos. 6) out of the support housing. 11.Remove the o-rings indicated. 12.Apply a thin layer of grease to the new o- rings (e.g.
  • Page 31 Cleanfit CPA871 Maintenance Assembly a0024441 Fig. 30: Assembly Service chamber Support housing Positioning pin Positioning groove Place the support housing (pos. 7) on a flat surface (the positioning groove (pos. 14) is visible from above). Place the service chamber (pos. 6) on the support housing and let the service chamber glide into the support housing.
  • Page 32 Maintenance Cleanfit CPA871 5.4.2 Immersion chamber version 1. Release the four securing screws ( å 31, pos. 1). a0024496 Fig. 31: Replacing seals, Part 1 Securing screws 2. Remove the service chamber (pos. 3) together with the process connection (pos. 2).
  • Page 33 Cleanfit CPA871 Maintenance 6. Release the lock nuts (pos. 4) using a 19 mm open-ended wrench or socket wrench (in protection cap). 7. Unscrew and remove the two rinse connection adapters (pos. 5). a0024437 Fig. 33: Replacing seals, Part 3...
  • Page 34 Maintenance Cleanfit CPA871 Assembly In the immersion chamber version, the inlet and outlet of the service chamber are fixed. When assembling the immersion tube, please ensure that the leakage borehole (pos.11), the service chamber outlet (pos. 12) and the marking at the bottom of the immersion chamber (pos.
  • Page 35 Cleanfit CPA871 Maintenance 10. Tighten the lock nut (AF 19 mm) (in the opposite direction to the arrow). 11. Fit the support housing on the assembly. Pay attention to the positioning pin. Tighten the four securing screws with a torque of 4 Nm.

  • Page 36: Repair

    The product must be returned if it is in need of repair or a factory calibration, or if the wrong product was ordered or delivered. Legal specifications require Endress+Hauser, as an ISO- certified company, to follow certain procedures when handling all returned products that have been in contact with the medium.

  • Page 37: Accessories

    Cleanfit CPA871 Accessories Accessories The most important accessories available at the time this document went to print are listed below. Please contact your sales center for accessories that are not listed here. The following accessories can be ordered via the product structure (see ordering information): •...

  • Page 38: Installation Material For Rinse Connections

    Accessories Cleanfit CPA871 Installation material for rinse connections Filter set CPC310, CVC400 • Water filter (dirt trap) 100 μm, complete, incl. angle bracket • Order No. 71031661 Pressure reducer kit • Complete, incl. manometer and angle bracket • Order No. 51505755 Hose connection nipples for rinse connections G ¼, DN 12...

  • Page 39: Sensors

    Cleanfit CPA871 Accessories Sensors 7.3.1 Glass electrodes Orbisint CPS11/CPS11D • pH electrode for process engineering • Optional SIL version for connection to SIL transmitter • With dirt-repellent PTFE diaphragm • Order as per product structure (--> Online Configurator, www.products.endress.com/ cps11 or www.products.endress.com/cps11d) •...
  • Page 40 Accessories Cleanfit CPA871 Orbipore CPS92/CPS92D • ORP electrode with open aperture diaphragm for media with high dirt load, • Order as per product structure (--> Online Configurator, www.products.endress.com/ cps92 or www.products.endress.com/cps92d) • Technical Information TI00435C/07/EN Memosens CPS96D* • pH-ORP combination sensor for chemical processes •...

  • Page 41: Technical Data

    Cleanfit CPA871 Technical data Technical data Environment Ambient temperature -10 to +70 °C (+ 14 to 158 °F) Storage temperature -10 to +70 °C (+ 14 to 158 °F) Process Process temperature -10 to +140 °C (14 to 284 °F) for all materials except PVDF and conductive PVDF range -10 to +100/70 °C (14 to 212/158 °F) for materials PVDF and conductive PVDF...
  • Page 42 Technical data Cleanfit CPA871 Pressure-temperature ratings for pneumatic drive a0021478 Fig. 37: Pressure temperature ratings for basic and immersion chamber version for materials 1.4404, Alloy C22, titanium and PEEK a0024234 Fig. 38: Pressure temperature ratings for basic version for materials PVDF and conductive PVDF...
  • Page 43 Cleanfit CPA871 Technical data Pressure-temperature ratings for manual drive a0024232 Fig. 39: Pressure temperature ratings for basic and immersion chamber version for materials 1.4404, Alloy C22, titanium and PEEK a0024233 Fig. 40: Pressure temperature ratings for basic version for materials PVDF and conductive PVDF...
  • Page 44 Technical data Cleanfit CPA871 Pressure temperature ratings for immersion chamber version (PVDF) a0024235 Fig. 41: Pressure temperature ratings for immersion chamber version for materials PVDF and conductive PVDF Pneumatic drive Manual drive Endress+Hauser...

  • Page 45: Mechanical Construction

    Cleanfit CPA871 Technical data Mechanical construction Design, dimensions See "Installation" section Weight Depends on version: Pneumatic drive: 3.8 to 6 kg (8.4 to 13.2 lbs) Manual drive: 3 to 4.5 kg (6.6 to 9.9 lbs) Materials In contact with medium:...

  • Page 46: Index

    Cleanfit CPA871 Index Accessories ........37 Operating elements.
  • Page 47 Cleanfit CPA871 Endress+Hauser...
  • Page 48 www.addresses.endress.com...

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