Endress+Hauser CleanFit P CPA 471 Bedienungsanleitung

BA 217C/07/en/03.00

No. 51502594 CleanFit P CPA 471

Retractable Assembly for

Measuring pH/Redox

Operating Instructions

CleanFit P CPA 471 Table of Contents

Endress+Hauser 1

Table of Contents

1Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.1 Safety symbols . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.2 Intended application . . . . . . . . . . . . . . . . . . . . 2

1.3 Installation, start-up and operation . . . . . . . . . 2

1.4 Operational safety . . . . . . . . . . . . . . . . . . . . . . 2

1.5 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Identification . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Equipment name . . . . . . . . . . . . . . . . . . . . . . . 4

2.2 Scope of supply . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Registered trademark . . . . . . . . . . . . . . . . . . . 6

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

3.1 Measuring system . . . . . . . . . . . . . . . . . . . . . . 7

3.2 Installation conditions . . . . . . . . . . . . . . . . . . . 8

3.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.1 Starting up the assembly . . . . . . . . . . . . . . . . 17

4.2 Operating the CPA 471 in manual mode . . . . 18

4.3 CPA 471 in pneumatic mode . . . . . . . . . . . . . 18

5 Maintenance . . . . . . . . . . . . . . . . . . . . . . 19

5.1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.3 Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6 Accessories . . . . . . . . . . . . . . . . . . . . . . . 22

6.1 Connection accessories . . . . . . . . . . . . . . . . . 22

6.2 Electrodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.3 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.4 Control of retractable assembly during

cleaning / calibration . . . . . . . . . . . . . . . . . . . 23

7 Technical Data . . . . . . . . . . . . . . . . . . . 24

Index 26

1 Safety CleanFit P CPA 471

2Endress+Hauser

1Safety

1.1 Safety symbols

#Warning!

This symbol alerts you to hazards which could cause serious injuries as well as damage

to the instrument if ignored.

"Caution!

This symbol alerts you to possible faults which could arise from incorrect operation.

They could cause damage to the instrument if ignored.

!Note!

This symbol indicates important items of information.

1.2 Intended application

The hand-operated or pneumatically operated retractable assembly CleanFit P CPA 471

is designed for installing pH/redox sensors in tanks and pipes.

Its mechanical design permits its use in pressurised systems (see Technical Data).

The responsibility for compliance with the following safety requirements lines with the

operator:

•Explosion protection regulations

•Installation instructions

•Operating instructions for the assembly and its materials

•Local prevailing standards and regulations

1.3 Installation, start-up and operation

#Warning!

•Installation, electrical connection, start-up, operation and maintenance of the

measuring instrument must be carried out exclusively by trained specialists

authorised by the system operator.

•Technical personnel must be familiar with the instructions in this manual and must

adhere to them.

•When the assembly is operated in explosive atmospheres, it is imperative to comply

with the regulations applicable.

•Before switching on the system check all the connections again for correctness.

•Do not operate damaged assemblies which could pose a danger, and mark them as

defective.

•Measuring point faults may only be repaired by authorised and trained personnel.

•If faults cannot be repaired, the assembly must be taken out of service and secured

against unintentional start-up.

•Repairs may only be carried out by the manufacturer or by the Endress+Hauser

service organisation.

CleanFit P CPA 471 1 Safety

Endress+Hauser 3

1.4 Operational safety

The assembly CPA 471 has been designed for safety according to the state of the art

and in compliance with the applicable regulations and EC directives (see Technical

Data).

However, if it is used improperly or other than for its intended purpose, it may pose a

hazard, e.g. through incorrect installation or the wrong operating conditions.

#Warning!

•If the device is used for any application other than those described in this manual, it

may lead to unsafe and improper functioning of the measuring system and is therefore

not permitted.

•Make sure you strictly adhere to the warnings and notes in these Operating

Instructions.

Instructions for installation in pressurised systems

#Warning!

•Do not exceed the maximum assembly operating pressure.

•Depressurise the system before installing or removing the assembly.

•Inspect screw unions, valves and pipes for leaks or damage on a regular basis.

1.5 Return

If the assembly has to be repaired, please return it cleaned to the Endress+Hauser

sales centre responsible. Please use the original packaging.

2 Identification CleanFit P CPA 471

4Endress+Hauser

2 Identification

2.1 Equipment name

2.1.1 Nameplate

The assembly variant is recognisable

from the order code on the nameplate.

Fig. 2.1: Nameplate of CleanFit P CPA 471

CleanFit P CPA 471 2 Identification

Endress+Hauser 5

2.1.2 Product structure

Drive and limit switches

A Manual drive (not modifiable to pneumatic)

B Pneumatics without limit switch (retrofittable)

C Pneumatics with 2 pneumatic limit switches

Y Special design to customer specifications

Electrode holder seal

1 Standard version (only process connection A, B, G, H)

2 Sterilisable version (only immersion depth 1, process connection A, C, D

additional equipment with rinse fittings 3, 4)

9 Special design to customer specifications

Electrode holder

A For gel electrodes with Pg 13.5 (gland)

B For KCl electrodes with Pg 13.5 (gland) (only immersion depth 1)

Y Special design to customer specifications

Immersion depth

1 Short version up to 101 mm (dependent on process connection)

(possible electrode lengths: A = 120 mm, B = 225 mm)

2 Long version up to 208 mm (dependent on process connection)

(possible electrode length: A = 225 mm)

9 Special design to customer specifications

Assembly material (in contact with medium)

A In contact with medium SS 316L with PA housing

B In contact with medium SS 316L with housing SS 316Ti

C In contact with medium SS 316L with test certificate 3.1B acc. to EN10204 with

housing PA

D In contact with medium SS 316L with test certificate 3.1B acc. to EN10204

with housing SS 316Ti

Y Special design to customer specifications

Seal material (in contact with medium)

1EPDM

2VITON

3 KALREZ®

9 Special design to customer specifications

Process connection

AG 1¼internal thread (thread adapter nut)

B NPT 1" external thread

C Tri-Clamp 2"

D Sanitary tube DN 50

G Flange DN 50 (only immersion depth 2)

H Flange ANSI 2" (only immersion depth 2)

Y Special design to customer specifications

Additional equipment

1 Without rinse fitting (not retrofittable)

3 With rinse fittings 2 x G ¼internal thread

4 With rinse fittings 2 x NPT ¼" internal thread

9 Special design to customer specifications

CPA 471- Complete order code

2 Identification CleanFit P CPA 471

6Endress+Hauser

2.2 Scope of supply

"Caution!

•Make sure the packaging is undamaged! If any damage is found, contact your postal

service or forwarding agent. Keep any damaged packaging until matters have been

clarified.

•Make sure the contents are undamaged! If any damage is found, contact your postal

service or forwarding agent and inform the suppliers. Keep any damaged goods until

matters have been clarified.

•Inspect the delivery for completeness and quantity according to the delivery papers,

and the instrument type and version as shown on the nameplate.

The following items are included in the delivery:

•CleanFit P CPA 471 assembly

•Operating Instructions BA 217C/07/en

In case of any queries, please contact your supplier or the Endress+Hauser sales

centre responsible (see back page of these Operating Instructions).

2.3 Registered trademark

KALREZ®

Registered trade mark of E.I. Du Pont de Nemours & Co., Wilmington, USA.

Tradename for FFKM

VITON®

Registered trade mark of E.I. Du Pont de Nemours & Co., Wilmington, USA.

Tradename for FKM

TRI-CLAMP®

Registered trade mark of Ladish & Co., Inc., Kenosha, USA

CleanFit P CPA 471 3 Installation

Endress+Hauser 7

3Installation

The following procedure should be followed for a complete measuring system

installation:

1. Mounting and connecting an electrode (see Chapter 3.3.1)

2. Water connection to the rinse fittings (see Chapter 3.3.2)

3. Installing the assembly (see Chapter 3.3).

3.1 Measuring system

A full measuring system comprises:

•Retractable assembly CleanFit P CPA 471

•1 pH combination electrode (120 or 225 mm)

•pH/redox measuring transmitter, e.g. Mycom CPM 152, MyPro CPM 431,

Liquisys M CPM 223/253

•Measuring cable CPK 1, CPK 7 or CPK 9 (terminated)

Optional:

•Junction box VBA for measuring cable extension

•Measuring cable CYK 71 (unterminated) for measuring cable extension

•Cleaning device with injector CYR 10

Fig. 3.1: Complete measuring system for CPA 471 with Mycom CPM 152

3 Installation CleanFit P CPA 471

8Endress+Hauser

3.2 Installation conditions

3.2.1 Dimensions

Fig. 3.2: (left): Dimensions of CPA 471, short version (for electrode length of 120 mm)

Fig. 3.3: (right): Dimensions of CPA 471, long version (for electrode length of 225 mm)

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