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Operating InstructionsCleanfit CPA871Flexible retractable process assembly for water,wastewater, chemical industry and heavy industry

BA01323C/07/EN/03.1671324465

Table of contents

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Table of contents

1 Document information . . . . . . . . . . . . . . 41.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.2 Symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . 41.3 Symbols on the device . . . . . . . . . . . . . . . . . . . 4

2 Basic safety instructions . . . . . . . . . . . . 52.1 Requirements for the personnel . . . . . . . . . . . . 52.2 Designated use . . . . . . . . . . . . . . . . . . . . . . . . 52.3 Occupational safety . . . . . . . . . . . . . . . . . . . . . 52.4 Operational safety . . . . . . . . . . . . . . . . . . . . . . 62.5 Product safety . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 Incoming acceptance and productidentification . . . . . . . . . . . . . . . . . . . . . . . 7

3.1 Incoming acceptance . . . . . . . . . . . . . . . . . . . . 73.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . 73.3 Product identification . . . . . . . . . . . . . . . . . . . . 83.4 Certificates and approvals . . . . . . . . . . . . . . . . 9

4 Installation . . . . . . . . . . . . . . . . . . . . . . . 104.1 Installation conditions . . . . . . . . . . . . . . . . . . 104.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 174.3 Installing the sensor . . . . . . . . . . . . . . . . . . . 224.4 Post-installation check . . . . . . . . . . . . . . . . . . 26

5 Operation options . . . . . . . . . . . . . . . . . 275.1 Commissioning . . . . . . . . . . . . . . . . . . . . . . . 275.2 Operating elements . . . . . . . . . . . . . . . . . . . . 285.3 Manual operation . . . . . . . . . . . . . . . . . . . . . 295.4 Pneumatic operation . . . . . . . . . . . . . . . . . . . 29

6 Maintenance . . . . . . . . . . . . . . . . . . . . . . 316.1 Maintenance intervals . . . . . . . . . . . . . . . . . . 316.2 Cleaning the assembly . . . . . . . . . . . . . . . . . . 326.3 Cleaning the sensor . . . . . . . . . . . . . . . . . . . . 326.4 Cleaning agent . . . . . . . . . . . . . . . . . . . . . . . 336.5 Replacing seals . . . . . . . . . . . . . . . . . . . . . . . 34

7 Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . 447.1 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . 447.2 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447.3 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

8 Accessories . . . . . . . . . . . . . . . . . . . . . . . 458.1 Installation material for rinse connections . . . 468.2 Cleaning systems . . . . . . . . . . . . . . . . . . . . . . 468.3 Flow vessels . . . . . . . . . . . . . . . . . . . . . . . . . 478.4 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

9 Technical data . . . . . . . . . . . . . . . . . . . . 51

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Document information Cleanfit CPA871

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1 Document information

1.1 Warnings

Structure of information Meaning

LDANGERCauses (/consequences)Consequences of non-compliance(if applicable)‣ Corrective action

This symbol alerts you to a dangerous situation.Failure to avoid the dangerous situation will result in a fatal or seriousinjury.

LWARNINGCauses (/consequences)Consequences of non-compliance(if applicable)‣ Corrective action

This symbol alerts you to a dangerous situation.Failure to avoid the dangerous situation can result in a fatal or seriousinjury.

LCAUTIONCauses (/consequences)Consequences of non-compliance(if applicable)‣ Corrective action

This symbol alerts you to a dangerous situation.Failure to avoid this situation can result in minor or more serious injuries.

NOTICECause/situationConsequences of non-compliance(if applicable)‣ Action/note

This symbol alerts you to situations which may result in damage toproperty.

1.2 Symbols used

Symbol Meaning

Additional information, tips

Permitted or recommended

Not permitted or not recommended

Reference to device documentation

Reference to page

Reference to graphic

Result of a step

1.3 Symbols on the device

Symbol Meaning

Reference to device documentation

Cleanfit CPA871 Basic safety instructions

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2 Basic safety instructions

2.1 Requirements for the personnel• Installation, commissioning, operation and maintenance of the measuring system may

be carried out only by specially trained technical personnel.• The technical personnel must be authorized by the plant operator to carry out the

specified activities.• The electrical connection may be performed only by an electrical technician.• The technical personnel must have read and understood these Operating Instructions

and must follow the instructions contained therein.• Measuring point faults may be repaired only by authorized and specially trained

personnel.

Repairs not described in the Operating Instructions provided may only be carried outdirectly by the manufacturer or by the service organization.

2.2 Designated useThe CleanfitCPA871 retractable assembly, which can be manually or pneumaticallyoperated, is designed for the installation of sensors in vessels and pipes.

Thanks to its design, it can be used in pressurized systems (see "Technical data").

Use of the device for any purpose other than that described, poses a threat to the safety ofpeople and of the entire measuring system and is therefore not permitted.

The manufacturer is not liable for damage caused by improper or non-designated use.

2.3 Occupational safetyAs the user, you are responsible for complying with the following safety conditions:• Installation guidelines• Local standards and regulations• Regulations for explosion protection

Basic safety instructions Cleanfit CPA871

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2.4 Operational safety1. Before commissioning the entire measuring point, verify that all connections are

correct. Ensure that electrical cables and hose connections are undamaged.

2. Do not operate damaged products, and safeguard them to ensure that they are notoperated inadvertently. Label the damaged product as defective.

3. If faults cannot be rectified:Take the products out of operation and safeguard them to ensure that they are notoperated inadvertently.

2.5 Product safety

2.5.1 State of the artThe product is designed to meet state-of-the-art safety requirements, has been tested, andleft the factory in a condition in which it is safe to operate. The relevant regulations andEuropean standards have been observed.

Cleanfit CPA871 Incoming acceptance and product identification

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3 Incoming acceptance and productidentification

3.1 Incoming acceptance1. Verify that the packaging is undamaged.

Notify your supplier of any damage to the packaging.Keep the damaged packaging until the matter has been settled.

2. Verify that the contents are undamaged. Notify your supplier of any damage to the delivery contents.

Keep the damaged products until the matter has been settled.

3. Check the delivery for completeness. Check it against the delivery papers and your order.

4. Pack the product for storage and transportation in such a way that it is protectedagainst impact and moisture. The original packaging offers the best protection.

The permitted ambient conditions must be observed (see "Technical data").

If you have any questions, please contact your supplier or your local sales center.

3.2 Scope of deliveryThe scope of delivery comprises:• Assembly in the version ordered• Operating Instructions

Incoming acceptance and product identification Cleanfit CPA871

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3.3 Product identification

3.3.1 NameplateThe nameplate provides you with the following information on your device:• Manufacturer identification• Order code• Extended order code• Serial number• Ambient and process conditions• Safety information and warnings

Compare the data on the nameplate with your order.

3.3.2 Product identificationThe order code and serial number of your product can be found in the following locations:• On the nameplate• In the delivery papers

Obtaining information on the product1. Go to the product page for your product on the Internet.

2. At the bottom of the page, select the "Online Tools" link followed by "Check yourdevice features". An additional window opens.

3. Enter the order code from the nameplate into the search field, and then select "Showdetails". You will receive information on each feature (selected option) of the order code.

Cleanfit CPA871 Incoming acceptance and product identification

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3.4 Certificates and approvalsRL 94/9/EC (ATEX)The assembly does not fall within the scope of the directive. However, if conditions for safeuse are adhered to, it may be deployed in the hazardous area.

CE/PEDThe CPA871 assembly has been manufactured according to good engineering practice inaccordance with Article 3, Paragraph 3 of the Pressure Equipment Directive 97/23/EC andtherefore is not required to bear the CE label.

Installation Cleanfit CPA871

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4 Installation

4.1 Installation conditions

4.1.1 OrientationThe assembly is designed for installation on tanks and pipes. Suitable process connectionsmust be available for this.

NOTICEFrost damage to the assembly‣ If used outdoors, ensure that water cannot penetrate the drive.

The assembly is designed in such a way that there are no restrictions with regard to theorientation.

The sensor that is used can restrict the orientation.

Cleanfit CPA871 Installation

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4.1.2 Dimensions

Short version

XP

XM

/XS

= 3

98/4

34 (

15.6

7/1

7.0

9)

158 (

6.2

2)

61

(2.40)

117

(4.61)

XA

63

(2.4

8)

A0023894

1 Pneumatic drive, short version, dimensions inmm (inch)

61(2.40)

XA

61(2.40)

107(4.21)

42 (1.65)

63

(2.4

8)

XP

155 (

6.1

0)X

M/X

S =

398/4

34 (

15.6

7/1

7.0

9)

A0023897

2 Manual drive, short version, dimensions inmm (inch)

XMXSXPXA

Assembly in measuring positionAssembly in service positionHeight of particular process connection (see table below)Necessary mounting distance for sensor replacement

The mounting distance XA is 280 mm (11.02") for 120 mm sensorsThe mounting distance XA is 408 mm (15.94") for 225 mm sensors


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Long version

61(2.40)

XP

200 (

7.8

7)

107

(4.21)

63

XM

/XS

= 4

40/5

18 (

17.3

2/2

0.3

9)

XA

(2.4

8)

A0023895

3 Pneumatic drive, long version, dimensions inmm (inch)

61

(2.40)

61

(2.40)

107

(4.21)

42 (1.65)

63

(2.4

8)

XP

197 (

7.7

6)

XM

/XS

= 4

40/5

18 (

17.3

2/2

0.3

9)

XA

A0023898

4 Manual drive, long version, dimensions inmm (inch)

XMXSXPXA


The mounting distance XA is 360 mm (14.17") for 225 mm sensors


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Immersion chamber version

61(2.40)

117

(4.61)

158 (

6.2

2)

63

XP

XM

/XS

= 3

98/4

34 (

15.6

7/1

7.0

9)

XA

(2.4

8)

A0023896

5 Immersion chamber version with pneumatic drive,dimensions in mm (inch)

XP

XM

/XS

= 3

98/4

34 (

15.6

7/1

7.0

9)

155 (

6.1

0)

61(2.40)

107(4.21)

42 (1.65)

63

(2.4

8)

61(2.40)X

A

A0023899

6 Immersion chamber version with manualdrive, dimensions in mm (inch)

XMXSXPXA


The mounting distance XA is 280 mm (11.02") for 225 mm sensorsThe mounting distance XA is 570 mm (22.44") for 360 mm sensors


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Process connection height

Process connection Height XP in mm (inch)

CB Clamp 2"ISO2852, ASME BPE-2012

A0024100

16 (0.63)

CC Clamp 2½"ISO2852, ASME BPE-2012

A0024101

16 (0.63)

FA Flange DN 40, EN1092-1

A0024102

18 (0.71)

FB Flange DN 50, EN1092-1

A0024103

18 (0.71)

FC Flange DN 80, EN1092-1

A0024104

20 (0.79)

FD Flange 2" 150 lbs, ASME B16.5

A0024105

19.1 (0.75)

FE flange 3" 150 lbs, ASME B16.5

A0024106

23.8 (0.94)

FF 10K50, JIS B2220

A0024107

16 (0.63)

FG 10K80, JIS B2220

A0024108

18 (0.71)

MA Dairy fitting DN 50 DIN 11851

A0024109

15.5 (0.61)

MB Dairy fitting DN 65 DIN 11851

A0024110

15.5 (0.61)

HB Thread NPT 1½"

A0024111

40.5 (1.57)


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4.1.3 Immersion depths

X1

X2

X1

X2

X1

X2

1 2 3

A0023893

7 Immersion depths

1 Short stroke (36 mm)2 Long stroke (78 mm)3 Immersion versionImmersion depths in mm (inch)

Versions

Process connection 1 2 3

CB Clamp ISO2852ASME BPE-2012 2"

X1X2

14.9 (0.59)34.2(1.35)

61.0 (2.40)75.7 (2.98)

119.9 (4.72)134.6 (5.30)

CC Clamp ISO2852ASME BPE-2012 2½"

X1X2

14.9 (0.59)34.2(1.35)

61.0 (2.40)75.7 (2.98)

119.9 (4.72)134.6 (5.30)

FA Flange DN 40EN1092-1

X1X2

14.9 (0.59)34.2(1.35)

61.0 (2.40)75.7 (2.98)

119.9 (4.72)134.6 (5.30)

FB Flange DN 50EN1092-1

X1X2

14.9 (0.59)34.2(1.35)

61.0 (2.40)75.7 (2.98)

119.9 (4.72)134.6 (5.30)

FC Flange DN 80EN1092-1

X1X2

12.9 (0.51)32.2(1.27)

59.0 (2.32)73.7 (2.90)

117.9 (4.64)132.6 (5.22)

FD Flange 2" 150 lbsASME B16.5

X1X2

13.8 (0.54)33.1 (1.30)

59.9 (2.36)74.6 (2.94)

118.8 (4.68)133.5 (5.26)

FE Flange 3" 150 lbsASME B16.5

X1X2

--

--

114.1 (4.49)128.8 (5.07)

FF Flange 10K50JIS B2220

X1X2

14.4 (0.57)33.7 (1.33)

61.3 (2.41)76.0 (2.99)

120.2 (4.73)134.9 (5.31)

FG Flange 10K80JIS B2220

X1X2

14.4 (0.57)33.7 (1.33)

60.5 (2.38)75.2 (2.96)

119.4 (4.70)134.1 (5.28)

HB Thread NPT 1½" X1X2

--

63.0 (2.48)77.7 (3.06)

121.9(4.80)136.6 (5.38)

MA Dairy fittingDN 50 DIN11851

X1X2

15.4 (0.61)34.7 (1.37)

61.5 (2.42)76.2 (3.00)

120.4 (4.74)135.1 (5.32)

MB Dairy fittingDN 65 DIN11851

X1X2

15.4 (0.61)34.7 (1.37)

61.5 (2.42)76.2 (3.00)

120.4 (4.74)135.1 (5.32)

NA Thread ISO228G1¼

X1X2

--

61.5 (2.42)76.2 (3.00)

--


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23

(0.9

1)

61.5

(2.4

2)

76.2

(3.0

0)

A0024447

8 Immersion depth in mm (inch) for process connection NA thread ISO228 G1¼


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4.2 Installation

4.2.1 Measuring system

1 2

3

4

A0029620

9 Measuring system (example)

1 Cleanfit assembly CPA8712 Measuring cable3 Liquiline CM44x transmitter4 Sensor


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4.2.2 Installing the assembly in the processLWARNING

Risk of injury from high pressure, high temperature or chemical hazards if processmedium escapes.‣ Wear protective gloves, protective goggles and protective clothing.‣ Only mount the assembly if the containers or pipes are empty and unpressurized.

Prior to installation, check the flange seal between the flanges.

1. Move the assembly to the service position (the triangle position marking is visible(→ 10).

2. Secure the assembly to the tank or piping using the process connection.

3. Follow the instructions in the next section to connect pipes for compressed air andrinse water (for the relevant assembly version).

A0023307

10 Position markings (service position)


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4.2.3 Pneumatic connection for automatic operationPrerequisites:• Air pressure 4 to 7 bar (58 to 102 psi)• Compressed air quality in accordance with ISO 8573-1:2001

Quality class 3.3.3 or 3.4.3• Solids class 3 (max. 5 μm, max. 5 mg/m3, contamination with particles)• Water content for temperatures ≥ 15 °C: class 4 pressure condensation point 3 °C or

lower• Water content for temperatures of 5 to 15 °C: class 3 pressure condensation point -20 °C

or lower• Oil content class 3 (max. 1 mg/m3)• Air temperature: 5 °C or higher• No continuous air consumption• Minimum nominal diameter of air pipes: 2 mm (0.08 ")

Connection: Push-in fitting M5, hose 4/2 mm OD/ID (adapter for 6/4 mm OD/IDenclosed)

Damage to seals due to excessive air pressure!

If the air pressure can increase to more than 7 bar (102 psi) (even short pressure surges),a pressure-reducing valve must be installed upstream.

1

2

3

4

5

6

7

8

A0029614

11 Assembly with pneumatic drive (withoutprotection cap)

1 Rinse connection2 Automatic limit position lock, process3 Connection for limit position switch4 Automatic limit position lock, service5 Fastening ring for protection cap6 Pneumatic connection (move to

measuring position)7 Pneumatic connection (move to service

position)8 Rinse connection

Use a pneumatic change-over valve (4/2-way valve) to move the assembly. Connectboth inputs. If you connect only one input (e.g. for test purposes), the piston will beblocked, as the sensor guide moves before the limit position lock is deactivated.


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4.2.4 Rinse connectionsThe service chamber connections of the CPA871 retractable assembly make it possible toclean the chamber and the sensor with water or a cleaning solution at a pressure of6 bar (87 psi) max..

Seals can be damaged if the water pressure is too high.

Install an pressure-reducing valve upstream if there is a possibility that the waterpressure will increase to more than 6 bar (87 psi) (including any short pressuresurges).

4.2.5 Assignment of rinse connectionsIn the standard version, the inlet and outlet of the service chamber can be assigned asdesired.

In the immersion chamber version, the inlet and outlet of the service chamber are fixed.The outlet of the service chamber is located under the leakage borehole. The leakageborehole is sealed with an M5 screw.

1

2

3

4

A0029621

12 Connection of service chamber in the immersion chamber version

1 Service chamber2 Service chamber inlet3 Leakage hole4 Service chamber outlet

4.2.6 Connecting the limit position switchesWith limit position detection, you can notify a system located downstream (transmitter,switching amplifier, output interface terminal) whether the assembly is in themeasurement or service position(in the case of a manual drive, only the measurementposition is queried).

The assembly can be ordered directly with limit position detection, or it can be retrofittedat a later stage.

Switching element function: NAMUR NC contact (inductive)Switching distance: 1.5 mm (0.06 ")Nominal voltage: 8 VSwitching frequency: 0 to 5000 HzHousing material: Stainless steel


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BN

BN

BU

BU

L+

L+

L-

L-

A

B

C D E

A0017831

13 Inductive limit position switches

A Limit position switch, service positionB Limit position switch, measuring positionC Connector, M12, solder side (inside of assembly)D CodingE Connector, Pin side (outside of assembly)

BN

BK

BU

WH

1

2

3

4 +

+

-

-

A0022163

14 Connecting cable for limit position switch on transmitter, switching amplifier, output interface terminaletc.

1 "Measuring" position2 "Measuring" position3 "Service" position4 "Service" position

Only pins 1 and 2 are assigned for manually activated assemblies with one switch(measuring position).

Signal table for limit position switches

Position of assembly Limit position switch for "measuring"position

Limit position switch for "service"position

Measurement Active LOW (≥ 3 mA) Active LOW (≥ 3 mA)

Service Active HIGH (≤ 1 mA) Active HIGH (≤ 1 mA)


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4.3 Installing the sensor

4.3.1 Preparing the sensor and assembly

1

A0030154

15 Installing the sensor

1 Thrust collar with O-ring

1. Remove the protection cap from the sensor. Ensure that the O-ring and thrust collar(→ 15, item 1) are present.

2. Immerse the sensor shaft in water. This makes for easier installation.

3. Move the assembly to the service position.

4.3.2 Installing and removing sensors

1

2

A B

1

2

A0030155

16 Sensor installation options

1 Sensor adapter2 Retraction pipeA Sensor adapter is on top of the retraction pipeB Sensor adapter is below the retraction pipe (not visible)Depending on the assembly version, the sensor adapter is either visible (→ 16, A) orinstalled inside the retraction pipe where it is not visible (B). As a result, the proceduresfor installing and removing the sensors differ as follows:


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Installing and removing sensors if the sensor adapter is visible (pos. A)

1

2

3

4

A0030156


1 Open-ended wrench (AF 17/19 mm)2 Protection cover3 Dummy plug4 Sensor

Gel and KCl sensors can be installed in this version.

Install the sensor as follows:

1. Remove the protection cap (→ 17, item 2) (this is possible only if the assembly isin the service position).

2. Remove the yellow dummy plug (pos. 3).

3. Using the open-ended wrench (item 1), screw in the sensor (item 4) in the place ofthe dummy plug and hand-tighten (3 Nm (2.2 lbf ft)).

4. Attach the open-ended wrench back into the protection cap.

5. Put the protection cap on the assembly. When doing so, guide the measuring cablethrough the cable run (top of protection cap).

Always install the protection cap before moving the assembly to the measuringposition. The protection cap cannot be removed in the measuring position. Thisprevents the sensor from being removed.


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Installing and removing sensors if the sensor adapter is not visible (pos. B)

3

45

2

1

A0030157


1 Socket wrench (AF 17/19 mm)2 Protection cover3 Dummy plug (protection cap)4 Sensor5 Retraction pipe

Gel sensors can be installed in this version. To install KCl sensors, you will need a "Gel- KCl adapter".



2. Unscrew and remove the retraction pipe (pos. 5) (in an anticlockwise direction).


4. Using the open-ended wrench (item 1), screw in the sensor (item 4) in the place ofthe dummy plug and hand-tighten (3 Nm (2.2 lbf ft)).

5. Screw the retraction pipe back in.





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Installation of 360 mm gel and KCL sensors with "Gel - KCl adapter"

1

2

3

5

6

7

A0030158

19 Sensor installation, Part 1

1 Open-ended wrench (AF 17/19 mm)2 Protection cover3 Dummy plug (protection cap)5 Retraction pipe6 Gel - KCl adapter7 Lock nut

Gel sensors can be installed in this version. To install KCl sensors, you will need a "Gel- KCl adapter".



2. Unscrew and remove the retraction pipe (pos. 5) (in an anticlockwise direction).

3. Turn the lock nut (pos. 7) on the "Gel - KCl adapter" (pos. 6) as far as it will go in anupward direction.


5. Screw in the "Gel - KCl adapter" (item 6) in the place of the dummy plug and hand-tighten (3 NM (2.2 lbf ft)).

6. Hand-tighten the lock nut in a clockwise direction, and then use an open-endedwrench (AF 24 mm) to tighten it by ¼ turn.

7. Screw the retraction pipe back in.

8. Use the open-ended wrench (item 1) to screw in the sensor (→ 20, item 4) andhand-tighten (3 Nm (2.2 lbf ft)).



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4

1

2

A0030159

20 Sensor installation, Part 2

1 Open-ended wrench2 Protection cover4 360 mm gel or KCl sensor


4.4 Post-installation check• After installation, check the transmitter for damage.• Check whether the transmitter is protected against moisture and direct sunlight (e.g. by

the weather protection cover).

Cleanfit CPA871 Operation options

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5 Operation options

5.1 CommissioningPrior 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).

LWARNINGRisk of injury from high pressure, high temperature or chemical hazards if processmedium escapes.‣ Before subjecting the assembly to process pressure, verify that all connections are

sealed!

Note that when moving the assembly, an open connection exists for a short periodbetween the process and service chamber.

Operation options Cleanfit CPA871

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5.2 Operating elements

A0023307

21 Position markings (service position)

Assembly with pneumatic driveThe assembly with pneumatic drive does not have any operating elements.

Assembly with manual drive

3

5

7

A0030305

22 Operating elements

3 Manual drive5 Unlocking button (measuring position)7 Unlocking button (service position)

Cleanfit CPA871 Operation options

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5.3 Manual operation

OUT - IN

A

B

A0030330

23 Direction of rotation

A Unlocking button (service position)B Unlocking button (measuring position)

Moving the assembly from the service position to the measuring position1. Press the unlocking button (A).

2. Rotate the drive in a clockwise direction, so that the sensor holder enters the process(this is possible only if a sensor is installed).

3. Rotate the drive until the lock engages.

Moving the assembly from the measuring position to the service position1. Press the unlocking button (B).

2. Rotate the drive in an anti-clockwise direction as far as it will go (service position).

3. Perform the required service activities.

5.4 Pneumatic operationThe assembly can be moved only if a sensor is installed.

The operation of the pneumatic version depends on the controller in question. TheOperating Instructions can be found in the manual for the controller.

Use a pneumatic change-over valve (4/2-way valve) to move the assembly. Connectboth inputs. If you connect only one input (e.g. for test purposes), the piston will beblocked, as the sensor guide moves before the limit position lock is deactivated.

Operation options Cleanfit CPA871

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5.4.1 Moving the assembly if the compressed air supply fails

1

2

A0030306

24 Failure of compressed air supply

1 Limit position lock for service position2 Limit position lock for measuring position

LCAUTIONRisk of injury due to high medium pressure‣ Depressurize the system

If the compressed air supply fails, you can still move the assembly manually. Proceed asfollows here:

1. Use an open-ended wrench (AF 17 mm) to unscrew and remove both limit positionlocks (items 1 and 2), and also remove the internal component. If the internalcomponent is stuck (if an attempt was made to move the assembly withoutdeactivating the limit position lock), move the assembly manually to the respectivelimit position.

2. Move the assembly to the desired position.

3. Screw the limit position lock back in.

Cleanfit CPA871 Maintenance

Endress+Hauser 31

6 MaintenanceLWARNING

Risk of injury if medium escapes‣ Before each maintenance task, ensure that the process pipe is empty and rinsed.‣ Move the assembly to the "Service" position.

The assembly drive is maintenance-free. It is not possible to carry out maintenance orrepair work on the drive.

6.1 Maintenance intervalsThe specified intervals serve as a guide. For harsh process or ambient conditions, it isrecommended that the intervals be reduced accordingly. Cleaning intervals for thesensor and assembly are dependent on the medium.

Interval Maintenance measures

Monthlyor after 500 strokes (whatever comesfirst)

Check the following for leaks:• rinse lines• process connection• compressed air hoses (pneumatic version).

Does medium escape from the leakage hole when the assembly ismoving? This may indicate that the internal O-rings in the servicechamber are defective.

‣ Check the leakage hole in the service chamber.

1. Remove the sensor and check the sensor for deposits.

2. If deposits are present, check the cleaning cycle (cleaningagents, temperature, duration, flow volume).

When process pressure is applied and the rinse lines are detached,there should be no discharge of medium from the assembly's rinseconnections.

‣ Check for defective process seal(s).

Biannuallyor after 5000 strokes (whichever comesfirst)

In addition:

‣ Replace the seals that are in contact with medium.

Biannuallyor after 5000 strokes (whichever comesfirst)

1. Check the locking mechanism is not blocked.

2. Remove the sensor. The contact surface of the sensor in the assembly is

spring-loaded and must be free to move.

Possible cause of failure: Contamination inside the drive, e.g. causedby a broken sensor.

Maintenance Cleanfit CPA871

32 Endress+Hauser

6.2 Cleaning the assemblyTo ensure stable and reliable measurements, the assembly and the sensor must be cleanedregularly. The frequency and intensity of the cleaning process depend on the medium.

6.2.1 Manually operated assemblyAll parts in contact with the medium, such as the sensor and the sensor guide, must becleaned regularly. To do so, remove the sensor 1).• Remove light dirt and fouling with suitable cleaning solutions. (→ 33)• High levels of contamination are removed using a soft brush and a suitable cleaning

agent.• For very persistent dirt, soak the parts in a cleaning solution. Then clean the parts with a

brush.

A typical example of a cleaning interval would be 6 months in the case of drinkingwater.

6.2.2 Pneumatically controlled assemblyRegular, pneumatically controlled cleaning is possible using the rinse water connectionand the appropriate equipment.

6.3 Cleaning the sensor‣ Clean the ORP electrodes mechanically only and always use water. Never clean with

chemical cleaning agents. Such cleaning agents cause a potential to build up at theelectrode which takes a few hours to dissipate. The potential causes errors in themeasurement.

‣ Do not use abrasive cleaners. These can cause irreparable damage to the sensor.‣ Where necessary, perform a new calibration following the cleaning process.

You must clean the sensor:• Before every calibration• Regularly during operation• Before returning it for repairs

You can remove the sensor and clean it manually, or you can clean it in automatic mode 2)

using the rinse water connection.

1) same as sensor installation, but in reverse order2) only if the assembly is fitted out accordingly


Endress+Hauser 33

6.4 Cleaning agentThe choice of cleaning agent depends on the degree and type of contamination. The mostcommon types of contamination and the appropriate cleaning agents can be found in thefollowing table.

Type of soiling Cleaning agent

Greases and oils Hot water or tempered, surfactant-containing (alkaline)media 1) or water-soluble, organic solvents (e.g.ethanol)

Limescale deposits, metalhydroxide buildup, lyophobicbiological buildup

Approx. 3% hydrochloric acid

Sulfide deposits Mixture of 3% hydrochloric acid and thiocarbamide(commercially available)

Protein buildup Mixture of 3% hydrochloric acid and pepsin(commercially available)

Fibers, suspended substances Pressurized water, possibly surface-active agents

Light biological buildup Pressurized water

1) Do not use with the Tophit ISFET sensor! Instead, use commercially available acid cleaners for the foodindustry (e.g. P3-horolith CIP, P3-horolith FL, P3-oxonia active).

NOTICEHealth hazard due to solvents‣ Do not use any halogen-containing, organic solvents or acetone. These solvents may

destroy plastic components of the sensor and are also suspected carcinogens (e.g.chloroform).


34 Endress+Hauser

6.5 Replacing sealsTo replace the seals in the assembly, you must interrupt the process and remove theassembly completely.

LCAUTIONRisk of injury due to residual medium and elevated temperatures‣ When handling parts that are in contact with the medium, protect yourself from

residual medium and elevated temperatures. Wear protective goggles and safetygloves.

‣ Clean the assembly before replacing the seals. (→ 32)

Preparation:1. Interrupt the process. Pay attention to residual medium, residual pressure as well as

elevated temperatures.

2. Move the assembly to the service position.

3. Completely detach the assembly from the process connection.

4. Clean the assembly. (→ 32)


Endress+Hauser 35

6.5.1 Standard version

Seal replacement in the process connection

1 1

A0030290

25 Replacing seals, Part 1

1 Fixing screws

1. Release the four securing screws (item 1).

2

3

A0030291


2 Process connection3 O-ring in process connection

2. Remove the process connection (pos. 2).

3. Remove the o-ring (pos. 3) from the process connection (sealing disk).

4. Apply a thin layer of grease to the new o-ring (e.g. Klüber Paraliq GTE 703).

5. Insert the o-ring into the process connection.


36 Endress+Hauser

Seal replacement in the rinse connection

4

5

4

5

A0030292


4 Lock nut5 Rinse connection adapter

1. Release the lock nuts (pos. 4) using an open-ended wrench or socket wrench (AF 19mm, in protection cap).

2. Unscrew and remove the two rinse connection adapters (pos. 5) using an open-endedwrench or socket wrench (AF 17 mm, in protection cap).

10 10

A0030315


10 O-rings, rinse connection adapter

3. Remove the O-rings indicated (item 10).

4. Apply a thin layer of grease to the new o-rings (e.g. Klüber Paraliq GTE 703) andinsert the o-rings into the corresponding grooves.


Endress+Hauser 37

Seal replacement in the support housing

1

A0030310


1 Fixing screws


10

8

7

12

11

6

9

10

A0030293

30 Replacing all seals

6789101112

Service chamberSupport housingO-ring, support housingO-rings, bottom of service chamberO-rings, rinse connection adapterO-rings, top of service chamberO-ring, outer service chamber

2. Remove the support housing (pos. 7).

3. Pull the service chamber (pos. 6) out of the support housing.

4. Remove the o-rings indicated.



38 Endress+Hauser

Assembly

Fit support housing and service chamber together

7

14

13

6

A0030343

31 Assembling the support housing

6 Service chamber7 Support housing13 Positioning pin14 Positioning groove

1. Place the support housing (pos. 7) on a flat surface (the positioning groove (pos. 14)is visible from above).

2. Place the service chamber (pos. 6) on the support housing and let the servicechamber glide into the support housing.

3. Place the positioning pin (item 13) above the corresponding groove and push theservice chamber in the remaining millimeters.

4. Fit the process connection on the support housing and tighten the securing screwswith a torque of 4 Nm.

Tighten the lock nut

5

4

A0030344

32 Assembling the rinse connection

4 Lock nut5 Rinse connection adapters

1. Turn the lock nut (pos. 4) on both of the rinse connection adapters (pos. 5) as far aspossible in the direction of the arrow.

2. Insert the rinse connection adapters with o-rings into the support housing (open-ended wrench or socket wrench AF 17 mm).

3. Tighten the lock nut (AF 19 mm) (in the opposite direction to the arrow).

4. Fit the support housing on the assembly. Pay attention to the positioning pin.Tighten the four securing screws with a torque of 4 Nm.


Endress+Hauser 39

6.5.2 Immersion chamber version

Seal replacement in the process connection

1 1

A0030294



2

3

A0030295


2 Process connection3 O-ring in process connection

2. Remove the service chamber (pos. 3) together with the process connection (pos. 2).

3. Remove the o-ring (pos. 3) from the process connection (sealing disk).

4. Apply a thin layer of grease to the new o-ring (e.g. Klüber Paraliq GTE 703).

5. Insert the o-ring into the process connection.


40 Endress+Hauser

Seal replacement in the rinse connection adapter

4

5

4

5

A0030292



1. Release the lock nuts (pos. 4) using a 19 mm open-ended wrench or socket wrench(in protection cap).

2. Unscrew and remove the two rinse connection adapters (pos. 5).

10 10

A0030315


10 O-rings, rinse connection adapter

3. Remove the O-rings indicated (item 10).



Endress+Hauser 41

Seal replacement in the immersion chamber

7

8

9

10

11

12

13

14

15

16

17

18

19 19

A0030329

37 Replacing all seals

78910111213141516171819

Support housingImmersion chamber - top partImmersion chamber - middle partImmersion chamber - bottom partFixing screwsO-ring, outer service chamberO-ring, top of service chamberO-ring, top part of inner service chamberO-ring, top part of inner service chamberMolded seal (ensure correct orientation)O-ring, top of service chamberO-rings, bottom of service chamberRinse chamber inlet and outlet

1. Remove the support housing (item 7) with the immersion chamber (items 8 to 10).

2. Pull the immersion chamber out of the support housing.

3. Remove the top part of the immersion chamber (pos. 8).

4. Release the three screws (pos. 11) and remove the bottom part of the immersionchamber.

5. Remove the o-rings and the moulded seal (pos. 12 to 18).


7. Insert the molded seal in such a way that both openings with the stop ridges (item19) are positioned above the rinse chamber inlet and outlet.


42 Endress+Hauser

AssemblyIn 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 theimmersion chamber (pos. 16) are all in one line.

Fit the components of the immersion chamber together.

8

9

10

11

12

13

15

16

A0030368

38 Assembling the immersion chamber

89101112131516

Immersion chamber - top partImmersion chamber - middle partImmersion chamber - bottom partLeakage holeRinse connection - outlet of service chamberPositioning pinPositioning pinPosition marking

1. Fit the bottom part (item 10) and middle part (item 9) of the immersion chambertogether. Ensure correct orientation!

2. Screw both parts securely together using the three securing screws (item 11).

3. Attach the top part (item 8) of the immersion chamber.


Endress+Hauser 43

7 14

13

A0030347

39 Assembling the support housing and immersion chamber

4 Support housing13 Positioning pin14 Positioning groove

4. Place the support housing (pos. 7) on a flat surface (the positioning groove (pos. 14)is visible from above).

5. Place the immersion chamber on the support housing and let the immersion chamberglide into the support housing.

6. Place the positioning pin (item 13) above the corresponding groove and push theservice chamber in the remaining millimeters.

7. Fit the process connection on the support housing and tighten the securing screwswith a torque of 4 Nm.

5

4

A0030344

40 Assembling the rinse connection


8. Turn the lock nut (pos. 4) on both of the rinse connection adapters (pos. 5) as far aspossible in the direction of the arrow.

9. Insert the rinse connection adapters with o-rings into the support housing (open-ended wrench or socket wrench AF 17 mm).

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.

Repairs Cleanfit CPA871

44 Endress+Hauser

7 RepairsLWARNING

Danger resulting from improper repair‣ Damage to the assembly, which compromises pressure safety, must be repaired only by

authorized and qualified personnel.‣ Damage to the drive can be repaired only at the place of manufacture. Repairs cannot

be carried out onsite.‣ Following each repair and maintenance task, the assembly must be checked for leaks

using appropriate procedures. Following this, the assembly must again comply with thespecifications in the technical data.

Replace all other damaged components immediately.

7.1 Spare partsFor more detailed information on spare parts kits, please refer to the "Spare Part FindingTool" on the Internet:

www.endress.com/spareparts_consumables

7.2 ReturnThe product must be returned if repairs or a factory calibration are required, or if thewrong product was ordered or delivered. As an ISO-certified company and also due to legalregulations, Endress+Hauser is obliged to follow certain procedures when handling anyreturned products that have been in contact with medium.

To ensure swift, safe and professional device returns, please read the return proceduresand conditions at www.endress.com/support/return-material.

7.3 DisposalThe device contains electronic components and must therefore be disposed of inaccordance with regulations on the disposal of electronic waste.

Observe the local regulations.

Cleanfit CPA871 Accessories

Endress+Hauser 45

8 AccessoriesThe following are the most important accessories available at the time thisdocumentation was issued. For accessories not listed here, please contact your serviceor sales office.

The following accessories can be ordered via the product structure (see orderinginformation):• Weld-in adapter G1¼, straight, 35 mm, 1.4435 (AISI 316 L), safety nozzle• Weld-in adapter G1¼, angled, 35 mm, 1.4435 (AISI 316 L), safety nozzle

G 1¼

12

Ø 42

Ø 25

Ø 25

12

Ø 42

G 1¼

15°

35

(1

.38

)

(1.65)

(0.98)

(0.4

7)

(1.65)

(0.98)

(0.4

7)

35

(1

.38

)

20

(0.7

9)

23.5

(0.9

3)

35

(1.3

8)

20

(0.7

9)

23.5

(0.9

3)

35

(1.3

8)

A0028744

41 Weld-in adapter (safety nozzle), dimensions in mm (inch)

• Dummy plug G1¼, 1.4435 (AISI 316 L), FPM - FDA• Sensor dummy 120 mm, 1.4435 (AISI 316 L), Ra = 0.38 µm• Sensor dummy 225 mm, 1.4435 (AISI 316 L), Ra = 0.38 µm• Sensor dummy 360 mm, 1.4435 (AISI 316 L), Ra = 0.38 µm• Kit, seals for non-wetted parts• Kit, FKM seals, G1¼, wetted parts• Kit, FKM seals, immersion chamber version, wetted parts• Kit, seal, wetted, EPDM• Kit, seal, wetted, FKM• Kit, seal, FFKM, basic, wetted• Cable, plug-in, limit switch, M12, 5 m• Cable, plug-in, limit switch, M12, 10 m• Tool in case for installation/removal

Accessories Cleanfit CPA871

46 Endress+Hauser

8.1 Installation material for rinse connectionsFilter 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 set G¼, DN 12• 1.4404 (AISI 316L) 2 x• Order No. 51502808

Hose connection set G¼, DN 12• PVDF (2 x)• Order No. 50090491

8.2 Cleaning systemsAir-Trol 500• Control unit for Cleanfit retractable assemblies• Order No. 50051994

Technical Information TI00038C/07/EN

Cleanfit Control CYC25• Converts electrical signals into pneumatic signals to control pneumatically-operated

retractable assemblies or pumps in conjunction with Liquiline CM44x• Wide range of control options• Product Configurator on the product page: www.endress.com/cyc25

Technical Information TI01231C


Endress+Hauser 47

8.3 Flow vesselsFlow vessel in different materials• Coupling: 2 x G¾ internal thread• Material: stainless steel 1.4404 (AISI 316 L), order no. TSP 71268971• Material: PVDF, order no. TSP 71268972• Material: PEEK, order no. TSP 71268973

G¾

G¾

68 (

2.6

8)

Ø 79.5 (3.13)

A0026651

42 Dimensions in mm (inch)

Flow vessel made of stainless steel• Flange DN25 PN16• Material: stainless steel 1.4404 (AISI 316 L)• Order no. TSP 71276097

160 (6.30)

60 (2.36)

Ø 1

15 (

4.5

3)

A0026652

43 Dimensions in mm (inch)


48 Endress+Hauser

8.4 Sensors

8.4.1 pH sensorsOrbisint CPS11D / CPS11• pH electrode for process technology• Optional SIL version for connecting to SIL transmitter• With dirt-repellent PTFE diaphragm• Product Configurator on the product page: www.endress.com/cps11d or

www.endress.com/cps11


Memosens CPS31D• pH electrode with gel-filled reference system with ceramic diaphragm• Product Configurator on the product page: www.endress.com/cps31d


Ceraliquid CPS41D / CPS41• pH electrode with ceramic junction and KCl liquid electrolyte• Product Configurator on the product page: www.endress.com/cps41d or



Ceragel CPS71D / CPS71• pH electrode with reference system including ion trap• Product Configurator on the product page: www.endress.com/cps71d or



Orbipore CPS91D / CPS91• pH electrode with open aperture for media with high dirt load• Product Configurator on the product page: www.endress.com/cps91d or



8.4.2 ORP sensorsOrbisint CPS12D / CPS12• ORP sensor for process technology• Product Configurator on the product page: www.endress.com/cps12d or



Ceraliquid CPS42D / CPS42• ORP electrode with ceramic junction and KCl liquid electrolyte• Product Configurator on the product page: www.endress.com/cps42d or



Ceragel CPS72D / CPS72• ORP electrode with reference system including ion trap• Product Configurator on the product page: www.endress.com/cps72d or



http://www.endress.com/cps11d

http://www.endress.com/cps11














Endress+Hauser 49

8.4.3 pH ISFET sensorsTophit CPS441D / CPS441• Sterilizable ISFET sensor for low-conductivity media• Liquid KCl electrolyte• Product Configurator on the product page: www.endress.com/cps441d or



Tophit CPS471D / CPS471• Sterilizable and autoclavable ISFET sensor for food and pharmaceutics, process

engineering• Water treatment and biotechnology• Product Configurator on the product page: www.endress.com/cps471d or



Tophit CPS491D / CPS491• ISFET sensor with open aperture for media with high dirt load• Product Configurator on the product page: www.endress.com/cps491d or



8.4.4 pH and ORP combined sensorsMemosens CPS16D• Combined pH/ORP sensor for process technology• With dirt-repellent PTFE diaphragm• With Memosens technology• Product Configurator on the product page: www.endress.com/cps16D


Memosens CPS76D• Combined pH/ORP sensor for process technology• Hygienic and sterile applications• With Memosens technology• Product Configurator on the product page: www.endress.com/cps76d


Memosens CPS96D• Combined pH/ORP sensor for chemical processes• With poison-resistant reference with ion trap• With Memosens technology• Product Configurator on the product page: www.endress.com/cps96d


8.4.5 Conductivity sensorsMemosens CLS82D• Four-electrode sensor• With Memosens technology• Product Configurator on the product page: www.endress.com/cls82d








http://www.endress.com/cls21d


50 Endress+Hauser

8.4.6 Oxygen sensorsOxymax COS22D / COS22• Sterilizable sensor for dissolved oxygen• With Memosens technology or as an analog sensor• Product Configurator on the product page: www.endress.com/cos22d or

www.endress.com/cos22


Cleanfit CPA871 Technical data

Endress+Hauser 51

9 Technical data

9.1 Environment

Ambient temperaturerange

-10 to +70 °C (+10 to +160 °F)

Storage temperature -10 to +70 °C (+10 to +160 °F)

9.2 Process

Process temperature -10 to +140 °C (14 to 284 °F) for all materials except PVDF and conductive PVDF

-10 to +100 / 90 °C (14 to 212 / 194 °F) for PVDF and conductive PVDF materials

Process pressure forpneumatic drive

Materials: 1.4404, Alloy C22, PEEKBasic and immersion chamber version: 16 bar (232 psi) up to 140 °C (284 °F)Materials: PVDF, conductive PVDFBasic version: 16 bar (232 psi) up to 100 °C (212 °F)Immersion chamber version: 4 bar (58 psi) to 90 °C (194 °F)

The service life of the seals is reduced if process temperatures are constantly high or ifSIP is used. The other process conditions may also reduce the service life of the seals.

Process pressure formanual drive

Materials: 1.4404, Alloy C22, PEEKBasic and immersion chamber version: 8 bar (116 psi) up to 140 °C (284 °F)Materials: PVDF, conductive PVDFBasic version: 8 bar (116 psi) up to 100 °C (212 °F)Immersion chamber version: 4 bar (58 psi) to 90 °C (194 °F)

The service life of the seals is reduced if process temperatures are constantly high or ifSIP is used. The other process conditions may also reduce the service life of the seals.

Pressure-temperatureratings for pneumatic drive p [bar]

T[°C]20 806040

T[°F]

p [psi]

0

32

0 0

16232

100 120 140

68 104 140 176 212 248 284

A0029355-EN

44 Pressure temperature ratings for basic and immersion chamber version for materials 1.4404, Alloy C22and PEEK

Technical data Cleanfit CPA871

52 Endress+Hauser

p [bar]

T[°C]20 806040

T[°F]

p [psi]

0

32

0 0

16232

100 120 140

68 104 140 176 212 248 284

8116

A0029358-EN

45 Pressure temperature ratings for basic version for materials PVDF and conductive PVDF

Pressure-temperatureratings for manual drive p [bar]

T[°C]20 806040

T[°F]

p [psi]

0

32

0 0

16232

100 120 140

68 104 140 176 212 248 284

8116

A0029356-EN

46 Pressure temperature ratings for basic and for immersion chamber version for materials 1.4404, AlloyC22 and PEEK

p [bar]

T[°C]20 806040

T[°F]

p [psi]

0

32

0 0

16232

100 120 140

68 104 140 176 212 248 284

8116

A0029357-EN

47 Pressure temperature ratings for basic version for materials PVDF and conductive PVDF

Cleanfit CPA871 Technical data

Endress+Hauser 53

Pressure temperatureratings for immersionchamber version (PVDF)

p [bar]

T[°C]20 806040

T[°F]

p [psi]

0

32

0 0100 120 140

68 104 140 176 212 248 284

8116

232 16

1

2

458

3

A0029359-EN

48 Pressure temperature ratings for immersion chamber version for materials PVDF and conductive PVDF

1 Pneumatic drive2 Manual drive3 Pneumatic and manual drive

Technical data Cleanfit CPA871

54 Endress+Hauser

9.3 Mechanical construction

Design, dimensions → Section "Installation"

Weight Depends on version:Pneumatic drive: 3.8 to 6 kg (8.4 to 13.2 lbs) depending on versionManual drive: 3 to 4.5 kg (6.6 to 9.9 lbs) depending on version

Materials In contact with medium

Seals: EPDM/FPM (Viton)/FFKM

Immersion tube, processconnection, service chamber:

Stainless steel 1.4404 (AISI 316L) Ra < 0.76/PEEK/Alloy C22 Ra <0.76/PVDF/conductive PVDF

Rinse connections: Stainless steel 1.4404 (AISI 316L) and Alloy C22

Not in contact with medium

Manual drive: Stainless steel 1.4301 (AISI 304) or 1.4404 (AISI 316L), plastics PPSCF15, PBT, PP

Pneumatic drive: Stainless steel 1.4301 (AISI 304) or 1.4404 (AISI 316L), plastics PBT,PP

Sensors Short version Gel sensors, ISFET 120 mmGel sensors, ISFET 225 mmKCl sensors 225 mm

Long version Gel sensors, ISFET 225 mmGel sensors, ISFET 360 mm

Immersion chamber version Gel sensors, ISFET 225 mmKCl sensors 360 mm

Limit position switches Switching element function: NAMUR NC contact (inductive)Switching distance: 1,5 mm (0.06 ")Nominal voltage: 8 VSwitching frequency: 0 to 5000 HzHousing material: Stainless steel

Index

Endress+Hauser 55

Index

AAccessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

CCertificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Cleaning agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Connection

Pneumatics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

DDesignated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

FFailure of compressed air supply . . . . . . . . . . . . . . . . 30

IImmersion depths . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Incoming acceptance . . . . . . . . . . . . . . . . . . . . . . . . . . 7Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10, 17Installation conditions . . . . . . . . . . . . . . . . . . . . . . . . 10Installing the sensor . . . . . . . . . . . . . . . . . . . . . . . . . 22

LLimit position switches . . . . . . . . . . . . . . . . . . . . . . . 20

MMaintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . 31Manual operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Measuring system . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

NNameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

OO-rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Operating elements . . . . . . . . . . . . . . . . . . . . . . . . . . 28Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Pneumatic: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

PPneumatic connection . . . . . . . . . . . . . . . . . . . . . . . . 19Pneumatic operation . . . . . . . . . . . . . . . . . . . . . . . . . 29Post-installation check . . . . . . . . . . . . . . . . . . . . . . . 26Product identification . . . . . . . . . . . . . . . . . . . . . . . . . 7

RRepairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Rinse connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

SSafety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

TTechnical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

UUse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

WWarnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

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