Endress+Hauser Oxymax COS61D Bedienungsanleitung

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Brief Operating Instructions

Oxymax COS61D

Optical sensor for measuring dissolved oxygen

With Memosens protocol

These Instructions are Brief Operating Instructions; they are

not a substitute for the Operating Instructions pertaining to

the device.

Detailed information on the device can be found in the

Operating Instructions and in the other documentation

available at:

• www.endress.com/device-viewer

• Smart phone/tablet: Endress+Hauser Operations App

KA01133C/07/EN/02.16

71341288

Oxymax COS61D

2 Endress+Hauser

TAG No.: XXX000

Ser. No.: X000X000000

Order code 00X00-XXXX0XX0XXX

www.endress.com/deviceviewer Endress+Hauser Operations App

Serial number

A0023555

Oxymax COS61D Table of contents

Endress+Hauser 3

Table of contents

1 Document information ............................................................ 4

1.1 Warnings ............................................................................ 4

1.2 Symbols ............................................................................. 4

2 Basic safety instructions .......................................................... 5

2.1 Requirements for the personnel ............................................................ 5

2.2 Designated use ........................................................................ 5

2.3 Occupational safety ..................................................................... 5

2.4 Operational safety ...................................................................... 6

2.5 Product safety ......................................................................... 6

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

3.1 Installation conditions ................................................................... 7

3.2 Mounting the sensor .................................................................... 8

3.3 Installation examples .................................................................. 10

3.4 Post-installation check ................................................................. 15

4 Electrical connection ............................................................ 16

4.1 Connecting the sensor .................................................................. 16

4.2 Ensuring the degree of protection ......................................................... 16

4.3 Post-connection check ..................................................................16

5 Commissioning .................................................................. 18

5.1 Function check ....................................................................... 18

5.2 Sensor calibration ..................................................................... 18

5.3 Cleaning the sensor automatically ......................................................... 18

Document information Oxymax COS61D

4 Endress+Hauser

1 Document information

1.1 Warnings

Structure of information Meaning

LDANGER

Causes (/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 serious injury.

LWARNING

Causes (/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 serious injury.

LCAUTION

Causes (/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.

NOTICE

Cause/situation

Consequences of non-compliance (if

applicable)

‣Action/note

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

1.2 Symbols

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

Oxymax COS61D Basic safety instructions

Endress+Hauser 5

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 out

directly by the manufacturer or by the service organization.

2.2 Designated use

The oxygen sensor is suitable for continuous measurement of dissolved oxygen in water.

The main areas of application are:

• Wastewater treatment plants

– Oxygen measurement and regulation in the activated sludge basin for a highly efficient

biological cleaning process

– Monitoring the oxygen content in the wastewater treatment plant outlet

• Water monitoring

Oxygen measurement in rivers, lakes or seas as an indicator of the water quality

• Water treatment

Oxygen measurement for status monitoring, e.g. of drinking water (oxygen enrichment,

corrosion protection etc.)

• Fish farming

Oxygen measurement and regulation for optimum living and growth conditions

Use of the device for any purpose other than that described, poses a threat to the safety of

people 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 safety

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

• Installation guidelines

• Local standards and regulations

Electromagnetic compatibility

• The product has been tested for electromagnetic compatibility in accordance with the

applicable European standards for industrial applications.

• The electromagnetic compatibility indicated applies only to a product that has been

connected in accordance with these Operating Instructions.

Basic safety instructions Oxymax COS61D

6 Endress+Hauser

2.4 Operational safety

1. 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 not

operated 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 not

operated inadvertently.

NOTICE

Non-designated use

Incorrect measurements, malfunctions and even measuring point failure could result

‣Only use the product in accordance with the product specifications.

‣Pay particular attention to the technical data on the nameplate.

2.5 Product safety

The product is designed to meet state-of-the-art safety requirements, has been tested, and

left the factory in a condition in which it is safe to operate. The relevant regulations and

European standards have been observed.

Oxymax COS61D Installation

Endress+Hauser 7

3 Installation

3.1 Installation conditions

3.1.1 Orientation

45°

135°

45°

0° 180°

A0031951

 1 Angle of installation

Recommended angle of inclination

The sensor must be installed at an angle of inclination in an assembly, bracket or appropriate

process connection. Recommended angle: 45°, to prevent the formation of air bubbles. At

angles of inclination of 45 to 135°, air bubbles at the oxygen-sensitive membrane may

increase the measured value.

The sensor can be installed up to the horizontal in an assembly, support or suitable process

connection. The optimum installation angle is 45°.

Other angles and upside-down installation are not recommended. Reason: Possible sediment

formation and resulting falsification of measured value.

Observe the instructions for installing sensors in the Operating Instructions for the

assembly used.

3.1.2 Mounting location

• Choose a mounting location that can be easily accessed at a later stage.

• Ensure that upright posts and fittings are fully secured and vibration-free.

• Select an installation location which produces a typical oxygen concentration for the

individual application.

Installation Oxymax COS61D

8 Endress+Hauser

3.2 Mounting the sensor

3.2.1 Mounting the cleaning unit

If the cleaning unit is not supplied in a preassembled state:

Unscrew the protection guard.

 Retain the protection guard for possible reuse at a later stage without the cleaning

unit.

Carefully screw on the shaft sleeve as far as it will go.

 The cleaning nozzle should now be level with the spot.

1 Cleaning nozzle

2 Spot

Oxymax COS61D Installation

Endress+Hauser 9

Connect the hose for the compressed air supply (to be provided onsite) or compressor to

the hose connection of the cleaning unit.

3.2.2 Installing a measuring point

Installation in suitable assembly is required (depending on the application)

LWARNING

Electrical voltage

In the event of a fault, non-grounded metallic assemblies may be under voltage and then are

not touchable.

‣When using metallic assemblies and installation equipment, observe the national

grounding provisions.

For immersion operation, install the individual modules away from the basin on a solid

base. Only carry out the final installation at the intended installation location. Select an

installation location that is easy to access.

For a complete installation of a measuring point, proceed as follows:

1. Install a retractable or a flow assembly (if used) into the process.

2. Connect the water supply to the rinse connections (if you use an assembly with cleaning

function).

3. Install and connect the oxygen sensor.

NOTICE

Installation error

Cable open circuit, loss of sensor due to cable separation, unscrewing of fluorescence cap

‣Do not install the sensor suspended from the cable.

‣Screw the sensor into the assembly so that the cable is not twisted.

‣When installing or uninstalling the sensor body, hold it tightly. Turn using only the

hexagonal nut on the armored coupling. Otherwise you might unscrew the fluorescence

cap. This will then remain in the assembly or process.

‣Avoid exerting excessive tensile force on the cable (e.g. from jerky pulling).

‣Select an installation location that is easy to access for later calibrations.

‣Observe the instructions for installing sensors in the Operating Instructions for the

assembly used.

Installation Oxymax COS61D

10 Endress+Hauser

3.3 Installation examples

3.3.1 Immersion operation

Universal holder and chain assembly

A0030564

 2 Chain holder on railing

1 Chain

2 Holder Flexdip CYH112

3 Rail

4 Sensor Oxymax

5 Wastewater assembly Flexdip CYA112

1 2

A0030565

 3 Chain holder on upright post

1 Weather protection cover CYY101

2 Controller / transmitter

3 Chain

4 Wastewater assembly Flexdip CYA112

5 Sensor Oxymax

6 Holder Flexdip CYH112

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