Pepperl+Fuchs KVF-F Manuel utilisateur
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
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
EN
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
Fat Level Sensor KVF-F
Safety
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EN
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
EN
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
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
EN
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
Fat Level Sensor KVF-F
Product Specifications
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EN
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
3
1
6
4
5
2
138
25
300
Ø31.6
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Fat Level Sensor KVF-F
Installation
EN
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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