Pepperl+Fuchs KVF-104-PF User manual

0102

ISO9001

Oil Level Sensor

KVF-104-PF

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"

Oil Level Sensor KVF-104-PF

Contents

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EN - 1

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

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

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

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

1.4 Intended use .................................................................................................4

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

1.6 Installation and Commissioning ....................................................................5

1.7 Operation......................................................................................................6

1.8 Maintenance .................................................................................................6

1.9 Repair ...........................................................................................................6

1.10 Disposal........................................................................................................6

2 Product Specifications....................................................... 7

2.1 Function ........................................................................................................7

2.2 Layout and dimensions .................................................................................7

2.3 Product programm ........................................................................................8

3 Installation........................................................................... 9

3.1 Mounting in oil/petrol separators ...................................................................9

3.2 Connection .................................................................................................10

4 Operation........................................................................... 11

4.1 Emptying/Disposing of the Container..........................................................11

5 Maintenance and Repair .................................................. 12

5.1 Sensor test..................................................................................................12

6 Troubleshooting................................................................ 13

6.1 Sensor Maintenance...................................................................................13

7 Technical specifications .................................................. 14

Oil Level Sensor

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Oil Level Sensor KVF-104-PF

Safety

1Safety

1.1 General safety instructions

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

and dismounting lies with the plant 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.

Oil Level Sensor

Oil Level Sensor KVF-104-PF

Safety

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EN - 3

1.2 Used Symbols

Safety-relevant Symbols

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.

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 the device and any connected systems and

plants, or result in their complete failure.

Note!

This symbol brings important information to your attention.

Note!

A Declaration of Conformity can be requested from the manufacturer.

ISO9001

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Oil Level Sensor KVF-104-PF

Safety

1.4 Intended use

The oil level sensor KVF-104-PF (referred to as "sensor" in the following section)

is a suspended sensor for monitoring oil layer thickness in oil/petrol separators.

The KVF-104-PF must always be connected to an ATEX-approved, intrinsically

safe warning device of type LAL-SRW (see product program).

The device is only approved for appropriate and intended use. Ignoring these

instructions will void any warranty and absolve the manufacturer from any liability.

Use the device only within the specified ambient temperature range.

Individually accessible non-grounded metal parts can become electrostatically

charged. The determined capacitance exceeds the required value according to

IEC/EN 60079-0. The determined capacitance is specified in the technical data.

Information on electrostatic hazards can be found in the technical specification

IEC/TS 60079-32-1.

1.4.1 Marking

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.

Pepperl+Fuchs GmbH

Lilienthalstrasse 200, 68307 Mannheim, Germany

Oil level sensor KVF-104-PF

DEMKO 07 ATEX 142586X

II 1G Ex ia IIB T3

Oil Level Sensor KVF-104-PF

Safety

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1.6 Installation and Commissioning

1.6.1 Installation des Sensors

The sensor may be installed in potentially explosive zone 0 in accordance with

Directive 94/9/EC (ATEX). The sensor must not be installed in places with

potentially aggressive vapors.

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-resistant. It can therefore

be installed in oil/petrol separators.

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 Installation in connection with intrinsically safe circuits

Installation of the intrinsically safe power circuits of the devices is permitted in

potentially explosive zones, whereby, in particular, safe separation from all non-

intrinsically safe power circuits must be guaranteed.

The intrinsically safe current circuits must be installed according to valid setup

regulations.

For the interconnection of the intrinsically safe field devices and the intrinsically

safe power circuits of the associated devices, the respective maximum values of

the field device and the associated device with regard to explosion protection

must be observed (proof of intrinsic safety). EN 60079-14/IEC 60079-14 must be

observed.

If the used sensors have not a tested dielectric strength (500 V according to

IEC/EN 60079-11) between the external conductive parts and the intrinsically safe

circuits, it must be assumed that the sensors and the corresponding intrinsically

safe circuits have electrical contact with each other. In this case verification of

intrinsic safety must include the possibility of the interconnection of all intrinsically

safe circuits.

1.6.3 Sensor Cables

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 ATEX specifications with

regard to color, quality and durability. Use unshielded cables.

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Oil Level Sensor KVF-104-PF

Safety

1.7 Operation

1.7.1 Caution - emulsions

An oil/petrol separator is a device for separating oil from water. Situations may

arise in which the oil can not be separated because an emulsion has formed. An

emulsion is a relatively stable mixture of oil and water. Sensors can not detect oil if

emulsions with a high water content have formed. Always contact the oil/petrol

separator manufacturer if there is any doubt as to whether the oil has been

separated from the water before the liquid is drained to the sewage system.

1.8 Maintenance

For operation of oil/petrol separators, 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 oil/petrol separator 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.

1.9 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.

1.10 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.

Oil Level Sensor KVF-104-PF

Product Specifications

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EN - 7

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 by oil/air. The sensor is capable of distinguishing between

air and water, and between water and oil, but not between air and oil.

2.2 Layout and dimensions

The sensor consists of three sections (see illustration):

• The lower stainless steel section (1) provides electrical connection to the

liquid.

• The middle section (2) is electrically isolated.

• The upper section made of stainless steel forms the switch contact (3).

Figure 2.1

1Lower section with laser marking

2Middle section

3Upper section

4Cable

5Switching point

138

Ø31.6

Oil Level Sensor

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Oil Level Sensor KVF-104-PF

Product Specifications

2.3 Product programm

Warning device

Sensors

Accessories

Description Ty p e c o d e

Intrinsically safe warning device, 230 V AC LAL-SRW

Description Ty p e c o d e

Overflow sensor for detecting excessively high fluid

level

NVF-104/34-PF

Oil level sensor for detecting thickness of oil level KVF-104-PF

Description Ty p e c o d e

Cable connector IP68 for one sensor LAL-SK2

Mounting set for one sensor NVO5-B

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