Pepperl+Fuchs NVD-111 Bedienungsanleitung
ISO9001
Warning Device
NVD-111
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"
Warning Device NVD-111
Warning Device NVD-111
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 Maintenance .................................................................................................4
1.6 Delivery, Transport and Storage ...................................................................4
1.7 Installation and Commissioning ....................................................................4
1.8 Operation......................................................................................................5
1.9 Repair ...........................................................................................................5
1.10 Disposal........................................................................................................5
1.11 Applied Standards and Directives.................................................................5
2 Product Specifications ...................................................... 6
2.1 Function........................................................................................................6
2.2 Product Program...........................................................................................7
2.3 Design and Dimensions................................................................................8
3 Installation ........................................................................ 12
3.1 Mounting of the Sensors .............................................................................12
3.2 Mounting the Warning Device.....................................................................20
3.3 Connection .................................................................................................21
4 Commissioning................................................................. 28
4.1 Configuring the Warning Device using DIP Switches..................................28
5 Operation .......................................................................... 32
5.1 Alarm Signals..............................................................................................32
5.2 Resetting the Alarm Signal..........................................................................33
5.3 Function Testing .........................................................................................34
6 Troubleshooting ............................................................... 35
6.1 Troubleshooting and Alarm States..............................................................35
6.2 Sensor Maintenance...................................................................................36
7 Technical Specifications ................................................. 37
7.1 Warning Device NVD-111...........................................................................37
7.2 Overflow Sensor KVF-O .............................................................................38
7.3 Fat Level Sensor KVF-F..............................................................................38
7.4 Fat Level Sensor FAU-104..........................................................................38
Warning device NVD-111
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Warning Device NVD-111
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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.
Warning device NVD-111
Warning Device NVD-111
Safety
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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 warning device is a compact alarm system for monitoring one or two sensors
in grease interceptors.
The warning devices must only be installed in a suitable control cabinet or
NVO5-KV installation housing.
The warning device was designed for:
nthe monitoring of the fat layer thickness, i. e. an alarm if a certain limit of
maximum receptacle capacity of fat has been reached.
nthe monitoring of the overflow of liquid, e. g. in the event of a blocked drain
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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Only the following sensors must be connected to the warning device:
1.4.1 Designation
1.5 Maintenance
The device must not be cleaned with caustic fluids.
The devices are maintenance-free. However, to guarantee perfect operation of
the complete alarm system, check the operation, including all sensors, at least
once a year.
1.6 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.
1.7 Installation and Commissioning
1.7.1 Installation of the warning device
The device must only be installed outside potentially explosive zones. The
device must not be installed in places with potentially aggressive vapors.
The device must be free of voltage during installation and maintenance. The
warning system must only be connected to the supply voltage after complete
mounting and connection of the sensors.
The identification plate must not be removed.
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
Warning device
Pepperl+Fuchs GmbH
Lilienthalstrasse 200, 68307 Mannheim, Germany
NVD-111
Warning Device NVD-111
Safety
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1.8 Operation
1.8.1 Availability of Emulsion
Grease interceptors are plants which can separate fat from water. It may occur
that fat is not separated due to the emulsion that has formed. An emulsion is a
more or less stable mixture of fat and water. If the water content in the fat is too
high, the sensor does not detect any fat.
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.
1.11 Applied Standards and Directives
EN 50178:1997
EN 61000-6-4:2007
EN 61326-1:2013
EMC Directive 2004/108/EC
Low Voltage Directive 2006/95/EC
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Warning Device NVD-111
Product Specifications
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2 Product Specifications
2.1 Function
The warning device monitors the status of
na fat level sensor or
nan overflow sensor or
nthe combination of an overflow sensor and a fat level sensor
in a grease interceptor.
LEDs at the device indicate alarm, sensor fault and system and sensor status. In
the event of an alarm, an additional acoustic signal sounds.
The fat in the grease interceptor can be of various compositions. The following
conditions are possible:
nThe fat is liquid. Such fat is found in, e. g., the manufacture and storage of
vegetable fats. This fat forms a liquid fat layer which clearly separates from
water. For this composition of fat, please use fat level sensor KVF-F for
detecting the fat layer thickness.
nThe fat is hard. Such fat is found in, e. g., waste water from sinks or
dishwashers and in floor drains in large kitchens or catering
establishments. This fat consists of a mixture of animal and vegetable fats.
It typically forms an aqueous emulsion with small lumps of fat or a
hardened layer of fat. For this composition of fat, please use fat level
sensor FAU-104 for detecting the fat layer thickness.
Warning device NVD-111
Warning Device NVD-111
Product Specifications
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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
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Warning Device NVD-111
Product Specifications
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2.3 Design and Dimensions
Warning device NVD-111
Figure 2.1
Installation housing NVO5-KV
Figure 2.2
1DIP switches
2LEDs
3Connections for power supply and potential-free contacts
4Reset button
5Sensor connections
NVD-111
ALARM
RESET SUPPLY FAT LAYER
ALARM
OVERFLOW
ALARM
SYSTEM
OK
68307 Mannhei m Germany
www.pepperl -fuchs.com
Fat Alarm System
70 58
86
54
423
51
200
116 105
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