Endress+Hauser Cleanfit P CPA471 Bedienungsanleitung

BA00217C/07/EN/13.12

71161810

Operating Instructions

Cleanfit P CPA471

Retractable process assembly

Cleanfit CPA471

Endress+Hauser 3

Table of contents

1 Safety instructions . . . . . . . . . . . . . . . . 4

1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.2 Installation, commissioning and operation . . . . . . . . 4

1.3 Operational safety . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.4 Notes on safety icons and symbols . . . . . . . . . . . . . . 5

2 Identification . . . . . . . . . . . . . . . . . . . . 6

2.1 Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.2 Order code and device version . . . . . . . . . . . . . . . . . 6

2.3 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3 Installation . . . . . . . . . . . . . . . . . . . . . . 7

3.1 Incoming acceptance, transport, storage . . . . . . . . . . 7

3.2 Installation conditions . . . . . . . . . . . . . . . . . . . . . . . 7

3.3 Installation instructions . . . . . . . . . . . . . . . . . . . . . 12

3.4 Sensor installation . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.5 Post-installation check . . . . . . . . . . . . . . . . . . . . . . 18

4 Operation . . . . . . . . . . . . . . . . . . . . . . 19

4.1 First commissioning . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2 Operating elements . . . . . . . . . . . . . . . . . . . . . . . . 19

4.3 Manual operation . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.4 Pneumatic operation . . . . . . . . . . . . . . . . . . . . . . . 20

5 Maintenance. . . . . . . . . . . . . . . . . . . . 21

5.1 Cleaning the assembly . . . . . . . . . . . . . . . . . . . . . . 21

5.2 Cleaning the sensor . . . . . . . . . . . . . . . . . . . . . . . . 21

5.3 Cleaning agents . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.4 Replacing seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6 Accessories. . . . . . . . . . . . . . . . . . . . . 25

6.1 Installation accessories . . . . . . . . . . . . . . . . . . . . . . 25

6.2 Limit position switches . . . . . . . . . . . . . . . . . . . . . 26

6.3 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

7 Trouble-shooting . . . . . . . . . . . . . . . . 28

7.1 Replacing damaged parts . . . . . . . . . . . . . . . . . . . . 28

7.2 Spare part kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

7.3 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

7.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

8 Technical data . . . . . . . . . . . . . . . . . . 33

8.1 Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

8.2 Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

8.3 Mechanical construction . . . . . . . . . . . . . . . . . . . . 34

Index . . . . . . . . . . . . . . . . . . . . . . . . . 35

Safety instructions Cleanfit CPA471

4Endress+Hauser

1 Safety instructions

1.1 Designated use

The manually or pneumatically operated retractable assembly Cleanfit P CPA471 is designed for

installing pH/ORP sensors in tanks and pipes.

Its mechanical design permits its use in pressurized systems (see "Technical data").

Any other use than the one described here compromises the safety of persons and the entire

measuring system and is not permitted.

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

1.2 Installation, commissioning and operation

Please note the following items:

• Installation, commissioning, operation and maintenance of the measuring system must only be

carried out by trained technical personnel.

Trained personnel must be authorized for the specified activities by the system 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 commissioning.

Mark the damaged product as being defective.

• Measuring point faults may only be rectified by authorized and specially trained personnel.

• If faults can not be rectified, the products must be taken out of service and secured against

unintentional commissioning.

• Repairs not described in these Operating Instructions may only be carried out at the

manufacturer’s or by the service organization.

1.3 Operational safety

The assembly has been designed and tested in accordance with the latest industry standards and left

the factory in perfect functioning order.

Relevant regulations and standards have been met.

As the user, you are responsible for complying with the following safety conditions:

• Installation instructions

• Local prevailing standards and regulations.

Cleanfit CPA471 Safety instructions

Endress+Hauser 5

1.4 Notes on safety icons and symbols

The structure, signal words and safety colors of the signs comply with the specifications of

ANSI Z535.6 ("Product safety information in product manuals, instructions and other collateral

materials").

Safety message structure Meaning

DANGER

Cause (/consequences)

Consequences if safety message

is not heeded

• Corrective action

This symbol alerts you to a dangerous situation.

Failure to avoid the situation will result in a fatal or serious

injury.

WARNING

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 medium

injury.

NOTICE

Cause/situation

Consequences if safety message

is not heeded

• Action/note

This symbol alerts you to situations that can result in damage to

property and equipment.

Identification Cleanfit CPA471

6Endress+Hauser

2 Identification

2.1 Nameplate

The nameplate contains the following information:

• Manufacturer data

•Ordercode

• Extended order code

• Serial number

• Operating conditions

• Safety icons

Compare the order code on the nameplate with your order.

2.2 Order code and device version

Enter the following address in your browser to access the product page:

www.products.endress.com/cpa471

1. You can choose from the following options on the product page located on the right:

2. Click "Configure this product".

3. The configurator 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:

• Cleanfit assembly (ordered version)

• Operating Instructions (English)

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

Cleanfit CPA471 Installation

Endress+Hauser 7

3 Installation

3.1 Incoming acceptance, transport, storage

• Make sure the packaging is undamaged!

• Inform the supplier about any damage to the packaging.

Keep the damaged packaging until the matter has been settled.

• Make sure the contents are undamaged!

• Inform the supplier about damage to the contents. Keep the damaged products until the matter

has been settled.

• Check that the order is complete and agrees with your shipping documents.

• The packaging material used to 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 Notes on installation

The assembly is designed for installation on tanks and pipes. Suitable nozzles must be available for

this.

When using standard glass sensors, only installation positions are permitted in which the

middle axis of the assembly lies at an angle greater than 15° from the horizontal (→å1).

Otherwise, there will not be a reliable contact between the inner side of the pH membrane and

the inner terminal leads via the electrolytes. Limited permissible angle of the installation

position is above 75° from the horizontal, air bubbles can accumulate in the chamber.

When using an ISFET Tophit sensor, there are, in principle, no restrictions for the installation

position. An installation angle of 0 to 75° is, however, recommended. An overhead installation

is possible.

a0008528

Fig. 1: Installation angles for glass sensors (X) and ISFET sensors (Y)

A Inadmissible installation angle

B Limited permissible angle (air bubbles can build up in the chamber)

C Recommended installation angle

90° 75°

15°

0°

15°

75°

90° 75°

0°

75°

Installation Cleanfit CPA471

8Endress+Hauser

a0007565

Fig. 2: Installation examples with recommended installation angle (glass electrodes)

ATank

BPipebend

CHorizontalpipe

D Ascending pipe

NOTICE

Wrong connection affects process safety

• For all assemblies with stainless steel pressure cylinders, we recommend to use a flanged version

when installing with inclined orientation. Otherwise, the weight of the assembly could affect

the safety of the process connection.

• Avoid a siphon effect1) at the rinse chamber outlet when installing with inclined orientation. The

inlet to the rinse chamber must be from below.

The minimum diameter for direct installation in pipework is DN 80. This diameter is required

so that the assembly has sufficient distance from the pipe wall when brought into the

"Measuring" position.

Use a flow assembly to install the assembly in smaller pipe diameters (see Accessories).

When designing the installation nozzle, please observe the total immersion depth in operation

(sensor holder not inserted). Ensure that the sensor is always immersed in the medium during

operation (see "Dimensions").

>15°

1) Siphon effect: line emptied by vacuum

Cleanfit CPA471 Installation

Endress+Hauser 9

3.2.2 Dimensions

a0008304

Fig. 3: Long version for gel sensors

*Stroke

a0008306

Fig. 4: Short version for KCl sensors

*Stroke

80 (3.15)

67 (2.64)*

295 (11.6)

438 (17.2)

95 (3.74)

(1.57)

Ø 24.8 (0.98)

Ø 18 (0.71)

mm (inch)

Installation Cleanfit CPA471

10 Endress+Hauser

The short version with flange DN 50 is suitable for compact block flanges only. Flanges with

nozzle require the long version.

Use liquid KCl electrodes with the short version only!

3.2.3 Process connections

a0008305

Fig. 6: Process connections (short version)

A G1¼ internal thread with union nut

B DN 50 dairy fitting

C NPT 1" external thread

D Triclamp 2"

a0008307

Fig. 5: Short version for gel sensors

*Stroke

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