Endress+Hauser Turbimax CUE21 User manual

Products Solutions Services

Operating Instructions

Turbimax CUE21 / CUE22

Turbidimeter for online measurement

OUT

MODE

EXIT E

Turbimax CUE21

BA00395C/07/EN/13.15

71292787

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Table of contents Turbimax CUE21 / CUE22

2 Endress+Hauser

Table of contents

1 Document information .............. 3

1.1 Safety information ...................... 3

1.2 Symbols .............................. 3

2 Basic safety instructions ............ 4

2.1 Requirements for personnel ............... 4

2.2 Designated use ........................ 4

2.3 Workplace safety ....................... 4

2.4 Operational safety ...................... 5

2.5 Product safety ......................... 5

3 Incoming acceptance and product

identification ....................... 6

3.1 Incoming acceptance .................... 6

3.2 Product identification .................... 6

3.3 Scope of delivery ....................... 7

3.4 Certificates and approvals ................ 7

4 Installation ........................ 8

4.1 Installation requirements ................. 8

4.2 Mounting the measuring device ............ 9

4.3 Post-installation check .................. 12

5 Electrical connection .............. 13

5.1 Connection requirements ................ 13

5.2 Connecting RS-485 cables ............... 14

5.3 Connecting relays ..................... 14

5.4 Connecting the current output ............ 14

5.5 Ensuring the degree of protection .......... 14

5.6 Post-connection check .................. 14

6 Operation options ................. 16

6.1 Overview ............................ 16

6.2 Operating concept ..................... 16

7 Commissioning .................... 18

7.1 Function check ....................... 18

7.2 Switching on the measuring device ......... 18

8 Operation ......................... 19

8.1 Configuring the measuring device .......... 19

8.2 Instrument calibration .................. 23

9 Diagnostics and troubleshooting ... 27

9.1 General troubleshooting ................. 27

9.2 Diagnostic information on local display ...... 27

10 Maintenance ...................... 29

10.1 Cleaning the flow-through cuvette ......... 29

10.2 Replacing the flow-through cuvette ........ 29

10.3 Replacing the desiccant pouch ............ 30

11 Repairs ........................... 31

11.1 Spare parts .......................... 31

11.2 Replacing the electronics module .......... 31

11.3 Replacing the lamp .................... 31

11.4 Return .............................. 32

11.5 Disposal ............................ 32

12 Accessories ....................... 33

12.1 Calibration solutions ................... 33

12.2 Flow chamber ........................ 33

12.3 Passive barrier ........................ 33

13 Technical data .................... 34

Index .................................. 37

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Turbimax CUE21 / CUE22 Document information

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1 Document information

1.1 Safety information

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

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Basic safety instructions Turbimax CUE21 / CUE22

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2 Basic safety instructions

2.1 Requirements for 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 turbidimeters from the Turbimax CUE21 / CUE22 series are designed for online

measurement of turbidity in process water and drinking water.

The infrared device CUE21 meets the design criteria for turbidity measurement specified

by ISO 7027 and DIN 27027.

The white light device CUE22 meets the design criteria specified by US EPA 180.1.

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 Workplace 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.

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Turbimax CUE21 / CUE22 Basic safety instructions

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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.

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.

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Incoming acceptance and product identification Turbimax CUE21 / CUE22

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3 Incoming acceptance and product

identification

3.1 Incoming acceptance

1. 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 protected

against 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 Product identification

3.2.1 Nameplate

The 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.

3.2.2 Product identification

Product page

www.endress.com/cue21

www.endress.com/cue22

Interpreting the order code

The 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 product

1. Go to the product page for your product on the Internet.

2. In the navigation area on the right-hand side, select "Check your device features"

under "Device support".

An additional window opens.

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Turbimax CUE21 / CUE22 Incoming acceptance and product identification

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3. Enter the order code from the nameplate into the search field.

You will receive information on each feature (selected option) of the order code.

3.3 Scope of delivery

The scope of delivery comprises:

• 1 turbidimeter Turbimax CUE21 or CUE22

• 1 field terminal box

• 1 packet of desiccant

• 1 tubing kit including

– 1 shutoff clamp

– 1 flow controller

– 2 connecting tubes with fittings for flow-through assembly

– 1 vent screw for drain tube (used in pressurized systems)

• 1 Operating Instructions BA00395C

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

3.4 Certificates and approvals

The product meets the requirements of the harmonized European standards. As such, it

complies with the legal specifications of the EC directives. The manufacturer confirms

successful testing of the product by affixing to it the  mark.

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Installation Turbimax CUE21 / CUE22

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4 Installation

4.1 Installation requirements

4.1.1 Measuring system

A complete measuring system comprises:

• Turbimax turbidimeter with installed cuvette and desiccant pouch

• Connecting tube with

– fittings for flow-through assembly

– Shutoff clamp

– Flow controller

– Vent screw for drain tube (in pressurized systems)

• Sensor interconnect cable

MODE

EXIT

Turbimax CUE21

A0025595

 1 Turbimax CUE21 (example)

1 Shutoff clamp 5 Sensor interconnect cable

2 Connection for intake tube 1) 6 Vent for drain tube

3 Flow assembly 7 Connection for drain tube 1)

4 Flow controller 8 Terminal box

1) OD 8 mm (0.31 inch), ID 4.75 mm (3/16 inch)

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Turbimax CUE21 / CUE22 Installation

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4.1.2 Mounting dimensions

OUT

200 (8)

M6 (¼)

207.7

(8.18)

90.2 (35)

50.8 (2.0)

(3/16)

30.2

(1.19)

147.7 (5.81)

87.3 (3.44)

A0025606

 2 Mounting dimensions - front view

131.6 (5.16)

347.2 (13.7)

196.8 (7.75)

61.8

(2.43)

A0025608

 3 Mounting dimensions - lateral view

Dimensions in mm (inch)

4.2 Mounting the measuring device

4.2.1 Wall mounting

The device is designed for wall mounting. If wall mounting is not practicable, the device

can be mounted on any suitable level surface.

• Ensure that the temperature does not exceed the maximum permitted operating

temperature range (0 to 50 °C (32 to 122 °F)).

• Leave approx. 20 cm (8 inch) of free space above the device to ensure that there is

sufficient room for calibration and cuvette maintenance.(→  2)

• Mount the device as close as possible to the sampling point to ensure fast response times

(within 2 to 3 m (6 to 10 ft)).

1. Drill mounting holes for the M4 mounting screws to install the field terminal box.

2. Drill mounting holes for the M6 mounting screws to install the device housing on top

of the terminal box.

3. Mount the terminal box.

4. Mount the rest of the device on top of the terminal box.

4.2.2 Installing the desiccant pouch

The device is equipped with a continuous vapor purge system. A replaceable desiccant

pouch in the lower portion of the instrument dries the air. System heat is used to warm the

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Installation Turbimax CUE21 / CUE22

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air. A fan located inside the device ensures that heated air circulates continuously around

the optical path and the flow-through cuvette.

1 2

A0026679

 4 Installing the desiccant pouch

1 Securing screws

2 Electronic component

3 Humidity indicator

4 Desiccant pouch

5 Base of housing

1. Unscrew the four corner screws (item 1).

2. Remove the electronic component of the device (item 2).

3. Open the bag protecting the desiccant pouch (item 4), and place the pouch with the

humidity indicator (item 3) in the base of the housing (item 5).

Ensure that you install the desiccant pouch immediately after opening the bag to

prevent premature degradation of the desiccant.

4. Return the electronic component of the device to its original position.

5. Tighten the four corner screws.

To prevent premature saturation of the desiccant, it is recommended that you keep

the measurement chamber covered at all times.

4.2.3 Plumbing the measuring device

• The device requires only a very low overpressure in the flow assembly to operate,

approx. 0.069 bar (1 psi).

• The flow controller is rated for a maximum overpressure of 13.8 bar (200 psi).

• The minimum flow rate for the flow-through cuvette is 100 ml/min to 1 l/min

(0.026 to 0.26 US gal/min).

• The maximum permitted medium temperature is 50 °C (122 °F).

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