Endress+Hauser NAR 300 Manuale utente

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Operating Instructions

NAR300 system

Oil leak detector float sensor

BA00402G/00/EN/22.19

71452803

2019-09-07

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

A0023555

NAR300 system Table of contents

Endress+Hauser 3

Table of contents

1 About this document ................ 4

1.1 Document function ..................... 4

1.2 Symbol .............................. 4

1.3 Documentation ........................ 6

2 Basic safety instructions ............ 8

2.1 Requirements for personnel ............... 8

2.2 Designated use ........................ 8

2.3 Workplace safety ....................... 8

2.4 Operational safety ...................... 9

2.5 Product safety ......................... 9

3 Product description ................ 10

3.1 Product design ........................ 10

3.2 Technical data ........................ 10

3.3 Process condition ...................... 12

3.4 Delivery example of each order code ........ 13

3.5 Operating conditions ................... 16

3.6 Gasoline application .................... 16

4 Incoming acceptance and product

identification ..................... 17

4.1 Incoming acceptance ................... 17

4.2 Product identification .................. 17

4.3 Manufacturer contact address ............ 26

4.4 Storage and transport .................. 26

5 Installation ....................... 28

5.1 NAR300 system dimensions ............. 28

5.2 Installation considerations ............... 32

5.3 Mounting of the NAR300 system .......... 34

5.4 Adjustment .......................... 39

6 Electrical connection .............. 40

6.1 Grounding cable ....................... 40

6.2 NRR261-2/4/A/B/C wiring .............. 41

6.3 NRR262-2/4/A/B/C wiring .............. 43

6.4 Wiring of NRR261-3/5 ................. 45

6.5 Connection diagram .................... 47

6.6 Principle of alarm operation .............. 48

7 Diagnosis and troubleshooting ..... 49

7.1 Fail safe (alert when oil is not leaking) ...... 49

7.2 Alert delay (no alert when oil is leaking) ..... 49

7.3 Operation confirmation ................. 50

7.4 Cleaning the conductivity sensor .......... 54

7.5 Firmware history ...................... 54

8 Maintenance ...................... 55

8.1 Maintenance work ..................... 55

8.2 Endress+Hauser services ................ 55

9 Repair ............................ 56

9.1 General information on repairs ............ 56

9.2 Spare parts .......................... 56

9.3 Endress+Hauser services ................ 56

9.4 Return .............................. 57

9.5 Disposal ............................ 57

10 Accessories ....................... 58

10.1 Float guide .......................... 58

10.2 U bolts and cable gland (waterproof) ....... 59

Index .................................. 60

About this document NAR300 system

4 Endress+Hauser

1 About this document

1.1 Document function

These Operating instructions contain all the information required during 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 Symbol

1.2.1 Safety symbols

Symbol Meaning

DANGER

DANGER!

This symbol alerts you to a dangerous situation. Failure to avoid this situation will

result in serious or fatal injury, as well as a risk of fire or explosion.

WARNING

WARNING!

This symbol alerts you to a dangerous situation. Failure to avoid this situation will

result in a risk of serious or fatal injury, fire or explosion.

CAUTION

Note

This symbol alerts you to a dangerous situation. Failure to avoid this situation will

result in a risk of minor or moderate injury and damages to property.

NOTICE

NOTE!

This symbol contains information on procedures and other facts that do not result in

personal injury.

1.2.2 Electrical symbols

Symbol Meaning

Direct current

Alternating current

Direct current and alternating current

Ground connection

A grounded terminal that, as far as the operator is concerned, is grounded via a

grounding system

Protective ground connection

A terminal that must be connected to the ground prior to establishing any other

connections

Equipotential connection

This connects with the grounding system at the plant. It includes equipotential line

and single point ground systems, depending on the norms of each country or

company.

NAR300 system About this document

Endress+Hauser 5

1.2.3 Tool symbols

Symbol Meaning

A0013442

Torx screwdriver

A0011220

Flat blade screwdriver

A0011219

Phillips screwdriver

A0011221

Allen key

A0011222

Open-ended wrench

1.2.4 Symbols for certain types of information

Symbol Meaning

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 page

Reference to graphic

Notice or individual step to be observed

… Series of steps

Result of operation or commissioning

Help in the event of a problem

Visual inspection

Operation via the local display

Operation via operating tool

Write-protected parameter

About this document NAR300 system

6 Endress+Hauser

1.2.5 Symbols in graphics

Symbol Meaning

1, 2, 3 ... Item numbers

… Series of steps

A, B, C, ... Graphics

A-A, B-B, C-C, ... Cross-sections

Hazardous area

Indicates a hazardous area

Safe area (non-hazardous area)

Indicates a non-hazardous area

1.2.6 Device symbol

Symbol Meaning

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.

1.3 Documentation

For an overview of the scope of the relevant technical documentation included with

the product, refer to the following:

The W@M Device Viewer: Enter the serial number from the nameplate

(www.endress.com/deviceviewer).

1.3.1 Technical information (TI)

Technical information 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.

Device Technical information

Oil leak detector NAR300 system TI00045G (standard specifications)

TI00457G (high-temperature specifications)

1.3.2 Operating instructions (BA)

Operating instructions contain all the information required during 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.

Operating instructions also contain detailed descriptions of each parameter in the

operation menu. These descriptions are targeted for those who work with the device over

its entire life cycle and perform specific configurations.

Device Operating instructions

Oil leak detector NAR300 system BA00402G (standard specifications)

BA00403G (high-temperature specifications)

NAR300 system About this document

Endress+Hauser 7

1.3.3 Functional safety manual (FY)

The Functional safety manual is part of the Operating instructions and serves as a

reference for application-specific parameters and notes.

Device Functional safety manual

Oil leak detector NAR300 system FY01357G

1.3.4 Safety instructions (XA)

NAR300 feature 010 ("approval") Meaning Ex / XA

A ATEX II 1/2G Ex ia IIB T5/T4 XA01741G-A (NAR300)

XA01742G-A (NRR261)

XA01743G-A (NRR262)

B IECEx ia IIB T5/T4 Ga/Gb XA01741G-A (NAR300)

XA01742G-A (NRR261)

XA01743G-A (NRR262)

C FM IS Cl.I Div.1 Gr.C, D T5/T4,

zone 0,1 AEx ia IIB T5/T4

XA01744G-A (NAR300)

XA01745G-A (NRR261)

XA01746G-A (NRR262)

1 TIIS Ex ia IIB T4 XA00587G-A (NAR300)

TC18324 (NAR300)

XA00588G-A (NRR261)

TC18325 (NRR261)

XA00589G-A (NRR262)

TC18326 (NRR262)

2 JPN Ex ia IIB T4 XA01839G-A (NAR300)

XA01840G-A (NRR261)

XA01841G-A (NRR262)

Basic safety instructions NAR300 system

8 Endress+Hauser

2 Basic safety instructions

2.1 Requirements for personnel

The personnel for installation, commissioning, diagnostics and maintenance must fulfill

the following requirements:

‣Be specialists who are trained and have a relevant qualification for this specific

function and task.

‣Be authorized by the plant owner-operator.

‣Be familiar with local/national regulations.

‣Before starting work, read and understand the instructions in the Operating

Instructions and supplementary documentation as well as the certificates (depending

on the application).

‣Follow instructions and comply with basic conditions.

The operating personnel must fulfill the following requirements:

‣Be instructed and authorized according to the requirements of the task by the facility's

owner-operator.

‣Follow the instructions in this manual.

2.2 Designated use

Application and measured materials

Depending on the version ordered, the device can also be used with potentially explosive,

flammable, poisonous or oxidizing materials.

Devices that are used in hazardous areas have corresponding labels on their nameplates.

To ensure that the device remains in proper condition for the operation time:

‣Only use the device in full compliance with the data on the nameplate and the general

conditions listed in the Operating Instructions and supplementary documentation.

‣Check the nameplate to verify if the device can be put to its intended use in hazardous

areas.

‣If the device is not operated at an atmospheric temperature, compliance with the

relevant basic conditions specified in the relevant device documentation is absolutely

essential.

‣Protect the device permanently against corrosion from environmental influences.

‣Observe the limit values in the "Technical Information".

The manufacturer is not liable for damage caused by improper or non-designated use.

2.3 Workplace safety

For work on and with the device:

‣Wear the required personal protective equipment according to local/national

regulations.

NAR300 system Basic safety instructions

Endress+Hauser 9

2.4 Operational safety

Risk of injury!

‣Operate the device in proper technical conditions and fail-safe conditions only.

‣The plant owner-operator is responsible for interference-free operation of the device.

Modifications to the device

Unauthorized modifications to the device are not permitted and can lead to unforeseeable

dangers:

‣If modifications are nevertheless required, contact your Endress+Hauser Sales Center.

Repair

To ensure continued operational safety and reliability:

‣Carry out repairs on the device only if they are expressly permitted.

‣Observe local/national regulations pertaining to repair of an electrical device.

‣Use only original spare parts and accessories from Endress+Hauser.

Ex-area

Observe the following notes to eliminate the risk of danger to persons or the facility when

the device is used in Ex-areas (e.g. explosion protection, pressure equipment safety):

‣Check the model nameplate to ensure that the ordered device is explosion proof.

‣Observe the specifications in the separate supplementary documentation attached to

these Instructions.

2.5 Product safety

This device was designed in accordance with GEP (Good Engineering Practice) to meet

state-of-the-art safety requirements, has been tested and left the factory in a condition in

which it is safe to operate. It meets the general safety standards and legal requirements.

Product description NAR300 system

10 Endress+Hauser

3 Product description

3.1 Product design

The NAR300 system is composed mainly in combination with the following products.

• Float sensor NAR300

• Transmitter NRR261

• Transmitter NRR262

• Sensor I/F Ex box

The NAR300 system is designed to be installed in a pit, plant, or sump pit near a pump

yard, where it can provide the ultimate in leak detection function for petrochemicals or

vegetable oils. The oil leak detector NAR300 system utilizes two separate detection

functions, conductive and vibronic sensor, to monitor conditions. In addition, highly

accurate alarm recognition is attained through a 2-stage logic process that ensures safe

tank yard operation with minimal equipment configuration.

3.2 Technical data

3.2.1 Float sensor NAR300

Items Description

Protection class IP67 (for outside installation)

Power supply Provided by a sensor I/F Ex box or NRR261 (NAR300 sensor I/F Ex box,

integrated type)

Wetted material • Float: SUS316L, conductive sensor: SUS316 and PTFE

• Vibronic sensor: SUS316L-equivalent

Detection sensitivity 1) • w/ pit water: 10 ± 1 mm (0.04 in) with oil at factory shipment

• w/o pit water: 50 ± 5 mm (0.17 in) with oil

I/O cable Dedicated shielded cable (PVC) as well as with cable float

(Standard 6 m (19.69 ft))

Mass Approx. 2.5 kg (5.5 lb) (including dedicated shielded cable (PVC)

6 m (19.69 ft))

1) Oil (oil: approximate density 0.8), lower layer water (water: approximate density 1.0), and adjusted to be

free of a fluid surface static state and/or surface tension.

3.2.2 Sensor I/F Ex box

Items Description

Protection class IP67 (for outside installation)

Power supply Provided by NRR261 or NRR262

Cable entry • NAR300 (float sensor) side: G1/2, with cable gland

• NRR261 or NRR262 (transmitter) side: G1/2, NPT1/2, M20

Mass 3.2 kg (7.1 lb)

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