Endress+Hauser NAR 300 Especificaciones técnicas
Products Solutions Services
Brief Operating Instructions
NAR300 system
Oil leak detector float sensor
These Instructions are Brief Operating Instructions; they are
not a substitute for the Operating Instructions pertaining to
the device.
Detailed information about the device can be found in the
Operating Instructions and the other documentation:
Available for all device versions via:
• Internet: www.endress.com/deviceviewer
• Smart phone/tablet: Endress+Hauser Operations App
KA01577G/00/EN/02.23-00
71614572
2023-05-15
NAR300 system
2 Endress+Hauser
Order code:
Ext. ord. cd.:
Ser. no.:
www.endress.com/deviceviewer Endress+Hauser
Operations App
XXXXXXXXXXXX
XXXXX-XXXXXX
XXX.XXXX.XX
Serial number
1.
3.
2.
A0023555
NAR300 system Table of contents
Endress+Hauser 3
Table of contents
1 Document information ............................................................ 4
1.1 Symbols used ......................................................................... 4
1.2 Documentation ........................................................................ 6
2 Basic safety instructions .......................................................... 7
2.1 Basic instructions regarding safety ..........................................................7
2.2 Intended use .......................................................................... 7
2.3 Workplace safety ...................................................................... 7
2.4 Operational safety ......................................................................7
2.5 Product safety ......................................................................... 8
3 Product description ............................................................... 9
3.1 Product design ........................................................................ 9
4 Incoming acceptance and product identification ................................. 10
4.1 Incoming acceptance ................................................................... 10
4.2 Product identification .................................................................. 10
4.3 Manufacturer address .................................................................. 16
4.4 Storage and transport .................................................................. 17
5 Installation ...................................................................... 18
5.1 Mounting the NAR300 system ........................................................... 18
5.2 Adjustment ......................................................................... 26
6 Electrical connection ............................................................ 28
6.1 NRR261-4/A/B/C wiring ............................................................... 28
6.2 NRR262-4/A/B/C wiring ............................................................... 30
6.3 NRR261-5 wiring ..................................................................... 32
6.4 Wiring diagram ...................................................................... 34
6.5 Operating principles of alarm activation ..................................................... 36
Document information NAR300 system
4 Endress+Hauser
1 Document information
1.1 Symbols used
1.1.1 Safety symbols
DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.1.2 Electrical symbols
Alternating current
Direct current and alternating current
Direct current
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a grounding
system.
Protective earth (PE)
Ground terminals that must be connected to ground prior to establishing any other
connections.
The ground terminals are located on the interior and exterior of the device:
• Interior ground terminal: protective earth is connected to the mains supply.
• Exterior ground terminal: device is connected to the plant grounding system.
1.1.3 Tool symbols
Phillips head screwdriver
Flat blade screwdriver
NAR300 system Document information
Endress+Hauser 5
Torx screwdriver
Allen key
Open-ended wrench
1.1.4 Symbols for certain types of information and graphics
Permitted
Procedures, processes or actions that are permitted
Preferred
Procedures, processes or actions that are preferred
Forbidden
Procedures, processes or actions that are forbidden
Tip
Indicates additional information
Reference to documentation
Reference to graphic
Notice or individual step to be observed
1.
,
2.
,
3.
Series of steps
Result of a step
Visual inspection
Operation via operating tool
Write-protected parameter
1, 2, 3, ...
Item numbers
A, B, C, ...
Views
Safety instructions
Observe the safety instructions contained in the associated Operating Instructions
Temperature resistance of the connection cables
Specifies the minimum value of the temperature resistance of the connection cables
Document information NAR300 system
6 Endress+Hauser
1.2 Documentation
The following documents can be found in the Download area of our website
(www.endress.com/downloads).
For an overview of the scope of the associated Technical Documentation, refer to the
following:
W@M Device Viewer (www.endress.com/deviceviewer): Enter the serial number from
nameplate
1.2.1 Technical Information (TI)
Planning aid
The document contains all the technical data on the device and provides an overview of the
accessories and other products that can be ordered for the device.
1.2.2 Brief Operating Instructions (KA)
Guide that takes you quickly to the 1st measured value
The Brief Operating Instructions contain all the essential information from incoming
acceptance to initial commissioning.
1.2.3 Operating Instructions (BA)
The Operating Instructions contain all the information that is required in various phases of
the life cycle of the device: from product identification, incoming acceptance and storage, to
mounting, connection, operation and commissioning through to troubleshooting,
maintenance and disposal.
1.2.4 Safety Instructions (XA)
Depending on the approval, the following Safety Instructions (XA) are supplied with the
device. They are an integral part of the Operating Instructions.
The nameplate indicates the Safety Instructions (XA) that are relevant to the device.
NAR300 system Basic safety instructions
Endress+Hauser 7
2 Basic safety instructions
2.1 Basic instructions regarding safety
2.1.1 Requirements for the personnel
The personnel must fulfill the following requirements for its tasks:
‣Trained, qualified specialists must have a relevant qualification for this specific function
and task.
‣Are authorized by the plant owner/operator.
‣Are familiar with federal/national regulations.
‣Before starting work, read and understand the instructions in the manual and
supplementary documentation as well as the certificates (depending on the application).
‣Follow instructions and comply with basic conditions.
2.2 Intended use
Application and measured materials
Measuring devices for use in hazardous areas, in hygienic applications or in applications
where there is an increased risk due to process pressure are labeled accordingly on the
nameplate.
Take the following measures to ensure that the device is used under appropriate conditions
while in operation:
‣Only use the measuring device in full compliance with the specifications on the nameplate
and the general conditions listed in the operating instructions and supplementary
documentation.
‣Check the nameplate specifications to ensure that the ordered device can be put to its
intended use in the approval-related area (e.g. explosion protection, pressure vessel
safety).
‣When not using this device at atmospheric temperature, it is important to comply with the
basic requirements listed in the relevant documentation for the device.
‣Protect the device permanently against corrosion caused by environmental effects.
‣Observe the limit values in the "Technical Information."
The manufacturer is not liable for damage caused by improper or unintended use.
2.3 Workplace safety
When working with the device:
‣Wear personal protection gear required by your regional/national regulations.
2.4 Operational safety
Risk of injury!
‣Operate the device only if it is in proper technical condition, free from errors and faults.
‣The operator is responsible for interference-free operation of the device.
Basic safety instructions NAR300 system
8 Endress+Hauser
Hazardous area
To eliminate danger to persons or the facility when the device is used in the hazardous area
(e.g. explosion protection):
‣Check the nameplate to verify if the device ordered can be put to its intended use in the
hazardous area.
‣Observe the specifications in the separate supplementary documentation that is an integral
part of these instructions.
2.5 Product safety
The NAR300 system is designed in accordance with GEP (Good Engineering Practice) to meet
the latest safety requirements, and it has been tested to ensure that it is ready to be used
safely before being shipped from the factory. The NAR300 system meets general safety
standards and legal requirements.
2.5.1 CE mark
This measurement system meets the legal requirements of the applicable EU directive. These
are listed in the corresponding EU Declaration of Conformity along with the standards
applied.
Endress+Hauser confirms successful testing of the device by affixing to it the CE mark.
NAR300 system Product description
Endress+Hauser 9
3 Product description
The NAR300 system is installed in a pit inside the oil-retaining wall of a tank or in a sump pit
near a plant or a pump yard, and it provides the ultimate leak detection function for oils, such
as petrochemicals and vegetable oils. Sensors with two different detection principles, a
conductive type and a tuning fork type, are used to monitor detection conditions
independently. In addition, a two-stage alarm logic allows for an extremely low false-positive
alert, ensuring the safety of the tank yard with a precise and simple device configuration.
NOTICE
TIIS specifications
These operating instructions are not intended for products with TIIS specifications.
‣If you are using a product with TIIS specifications, download and refer to
KA01577G/33/JA/01.22-00 or an earlier version from our website
(www.endress.com/downloads).
3.1 Product design
The NAR300 system is configured mainly in combination with the following products.
1. 2. 3. 4.
PG
Power: Green
Alarm: Red
AC90-250V Output Monitor
Power
NRR262
Sensor
Input
+-
Delay
Timer
(second)
A0047557
1 Product design
1 Float sensor NAR300
2 Ex d [ia] Converter NRR261
3 Ex [ia] Converter NRR262
4 Ex [ia] sensor I/F Ex box
Incoming acceptance and product identification NAR300 system
10 Endress+Hauser
4 Incoming acceptance and product identification
4.1 Incoming acceptance
Upon receipt of the goods, check the following:
• Are the order codes on the delivery note and the product label identical?
• Are the goods undamaged?
• Do the nameplate data match the ordering information on the delivery note?
• If required (see nameplate): Are the Safety Instructions (XA) enclosed?
If one or more of these conditions are not satisfied, contact your Endress+Hauser Sales
Center or distributor.
4.2 Product identification
The following options are available for identification of the device:
• Nameplate specifications
• Extended order code on the delivery note (including details of the device specification
codes)
• Entering the serial number from the nameplate in W@M Device Viewer
(www.endress.com/deviceviewer) will display all the information about the device.
Note that the information on a nameplate may be changed without notice when
credentials and certificates are updated.
4.2.1 Nameplate specifications
1
2
3
4
Order code
Ser. No.
Cable Length
N
P
-
2
4
9
6
-
5
A0038619
2 NAR300 model nameplate
1 Order code
2 Serial number
3 Cable length (order code 040)
4 Explosion-proof performance
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