Pepperl+Fuchs KVF-F User manual

ISO9001

Fat Level Sensor KVF-F

PROCESS AUTOMATION

MANUAL

With regard to the supply of products, the current issue of the following document is applicable:

The General Terms of Delivery for Products and Services of the Electrical Industry, published by

the Central Association of the Electrical Industry (Zentralverband Elektrotechnik und

Elektroindustrie (ZVEI) e.V.) in its most recent version as well as the supplementary clause:

"Expanded reservation of proprietorship"

Fat Level Sensor KVF-F

Contents

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

1.1 General safety instructions ...........................................................................2

1.2 Used Symbols...............................................................................................2

1.3 Declaration of Conformity .............................................................................3

1.4 Intended Use ................................................................................................3

1.5 Delivery, Transport and Storage ...................................................................4

1.6 Installation and Commissioning ....................................................................4

1.7 Maintenance .................................................................................................4

1.8 Repair ...........................................................................................................4

1.9 Disposal........................................................................................................5

1.10 Applied Standards and Directives.................................................................5

2 Product Specifications ...................................................... 6

2.1 Function........................................................................................................6

2.2 Product Program...........................................................................................6

2.3 Design and Dimensions................................................................................7

3 Installation .......................................................................... 8

3.1 Mounting of the Sensors ...............................................................................8

3.2 Mounting the KVF-F Fat Level Sensor ........................................................10

3.3 Connection of the Sensor ...........................................................................12

4 Operation .......................................................................... 13

4.1 Emptying (Disposal) of the Container .........................................................13

5 Maintenance and Repair.................................................. 14

5.1 Function Testing .........................................................................................14

6 Troubleshooting ............................................................... 15

6.1 Sensor Maintenance...................................................................................15

7 Technical Specifications ................................................. 16

7.1 Fat Level Sensor KVF-F..............................................................................16

Fat Level Sensor KVF-F

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Fat Level Sensor KVF-F

Safety

1Safety

1.1 General safety instructions

Responsibility for planning, assembly, commissioning, operation, maintenance,

and dismounting lies with the system operator.

Installation and commissioning of all devices must be performed by a trained

professional only.

Protection of operating personnel and the system is not ensured if the product is

not used in accordance with its intended purpose.

Laws and regulations applicable to the usage or the intended purpose must be

observed. The devices are only approved for appropriate and intended use.

Ignoring these instructions will void any warranty and absolve the manufacturer

from any liability.

The Declaration of Conformity, Certificate of Compliance, Statement of

Conformity, EC-type-examination certificate and data sheets are an integral part

of this document.

The data sheet contains the electrical data of the Declaration of Conformity, the

Certificate of Compliance and the EC-type-examination certificate.

The documents mentioned are available from http://www.pepperl-fuchs.com or

contact your local Pepperl+Fuchs representative.

1.2 Used Symbols

Safety-relevant Symbols

Danger!

This symbol indicates an imminent danger.

Non-observance will result in personal injury or death.

Warning!

This symbol indicates a possible fault or danger.

Non-observance may cause personal injury or serious property damage.

Caution!

This symbol indicates a possible fault.

Non-observance could interrupt devices and any connected facilities or systems,

or result in their complete failure.

Fat Level Sensor KVF-F

Safety

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EN - 3

Informative Symbols

Action

This symbol indicates a paragraph with instructions.

1.3 Declaration of Conformity

All products were developed and manufactured under observance of the

applicable European standards and guidelines.

The product manufacturer, Pepperl+Fuchs GmbH, 68307 Mannheim, has a

certified quality assurance system that conforms to ISO 9001.

1.4 Intended Use

The fat level sensor KVF-F (referred to as "sensor" in the following sections) is a

suspended sensor for monitoring fat layer thickness in grease interceptors.

The sensor must always be connected to an warning device of type NVD-111

(see product program).

1.4.1 Marking

Note!

This symbol brings important information to your attention.

Note!

A Declaration of Conformity can be requested from the manufacturer.

ISO9001

Fat Level Sensor

Pepperl+Fuchs GmbH

Lilienthalstrasse 200, 68307 Mannheim, Germany

KVF-F

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Fat Level Sensor KVF-F

Safety

1.5 Delivery, Transport and Storage

Check the packaging and contents for damage.

Check if you have received every item and if the items received are the ones you

ordered.

Keep the original packaging. Always store and transport the device in the original

packaging.

Always store the device in a clean and dry environment. The permitted storage

temperature (see data sheet) must be considered.

1.6 Installation and Commissioning

1.6.1 Installation of the Sensor

The sensor and warning device must be free of voltage during installation and

maintenance. The warning device must only be connected to the supply voltage

after complete mounting and connection of the sensors.

The sensor has IP68 protection and is weather- and oil/fat-resistant. It can

therefore be installed in grease interceptors.

When installing the device in oil/petrol separators, observe the permissible

ambient temperature in the range from -20 °C ... 60 °C (253 K ... 333 K).

1.6.2 Sensor Cable

Sensor cables must not be installed in cable or conductor bundles together with

other current circuits. Avoid installing sensor cables parallel to other cables that

may transmit interfering signals, which impair the sensor signal and thus the

alarm function. The sensor itself must not be grounded.

If you extend the sensor cable, observe the applicable specifications with regard

to color, quality and durability. Use unshielded cables.

1.7 Maintenance

For operation of grease interceptors, there may be standards, directives or laws

that define regular system or sensor tests. Check the operation of the sensor at

least twice a year and more frequently in the event of unfavorable environmental

conditions.

When the grease interceptor is being emptied (disposal), the sensor must always

be washed and dried. The sensor must not be cleaned with caustic fluids. A badly

contaminated sensor can trip a wrong alarm or, in certain circumstances, fail to

trip an alarm.

1.8 Repair

The devices must not be repaired, changed or manipulated.

If there is a defect, the product must always be replaced with an original device.

Fat Level Sensor KVF-F

Safety

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EN - 5

1.9 Disposal

Disposal of devices and their packaging material must be performed in

compliance with the applicable laws and guidelines of the corresponding country.

The devices do not contain batteries which need to be disposed of separately

from the products.

1.10 Applied Standards and Directives

EN 61000-6-4:2007

EN 61326-1:2013

EMC Directive 2004/108/EC

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Fat Level Sensor KVF-F

Product Specifications

2 Product Specifications

2.1 Function

The sensor has an integrated electronic circuit which, via an oscillator circuit,

emits a weak HF signal that changes depending on whether the sensor element

is surrounded by water or fat.

The sensor is mounted suspended and immersed in liquid.

The sensor can distinguish between water and floating fat, oil and grease (FOG).

2.2 Product Program

Warning device

Sensors

Accessories

Description Type code

Warning device, 230 V AC NVD-111

Description Type code

Fat level sensor, for detecting fat layer thickness in an

aqueous emulsion with small lumps of fat or a hardened layer

of fat

FAU-104

Fat level sensor, for detecting fat layer thickness in a liquid

layer of fat

KVF-F

Overflow sensor, for detecting excessively high liquid level KVF-O

Description Type code

Cable connector IP68 for one sensor LAL-SK2

Mounting set for one sensor NVO5-B

Installation housing with DIN mounting rail NVO5-KV

Fat Level Sensor KVF-F

Product Specifications

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2.3 Design and Dimensions

Fat level sensor KVF-F

Figure 2.1

1Lower section with laser marking

2Middle section

3Upper section

4Cable

5Shrink tubing

6Switching point

138

300

Ø31.6

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Fat Level Sensor KVF-F

Installation

3 Installation

3.1 Mounting of the Sensors

Read the chapter on Safety and, in particular, the section on Installation and

Commissioning (see chapter 1.6) before mounting the sensor. Do not remove the

identification plate.

During installation, read the instructions provided by the grease interceptor

manufacturer. Ensure that the suspension mechanism keeps the sensor

permanently at the correct height. Where possible, secure the device in a position

where it can be reached from the manhole opening so that it can be removed

when emptying (disposal) or carrying out maintenance work on the grease

interceptor.

Warning!

Risk of short circuit

Injuries and damage to the device are possible when working with live parts.

nBefore working on the device, always disconnect the supply voltage.

nConnect the device to the supply voltage only after completion of the work.

Fat Level Sensor KVF-F

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