Endress+Hauser NAR 300 Operating Instructions Manual Download Page 22 | Manualshive

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Installation

NAR300 system for high temperature

22

Hauser

5

Installation

5.1

NAR300 system dimensions

5.1.1

Dimensions of NAR300 float sensor

20 (0.79)

200 (7.87)

250 (9.84)

1

73 (2.87)

210 (8.27)

!

304 (11.97)

A0039905

 11

Outline of float sensor NAR300

1

Float sensor cover

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Summary of Contents for NAR 300

Page 1: ...Products Solutions Services Operating Instructions NAR300 system for high temperature Oil leak detector float sensor BA00403G 00 EN 10 22 00 71559868 2022 03 18...

Page 2: ...300 system for high temperature 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 A0023...

Page 3: ...21 4 4 Storage and transport 21 5 Installation 22 5 1 NAR300 system dimensions 22 5 2 Installation conditions 26 5 3 Mounting the NAR300 system 28 5 4 Adjustment 32 6 Electrical connection 33 6 1 Pro...

Page 4: ...ult 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 p...

Page 5: ...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...

Page 6: ...f 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 commission...

Page 7: ...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 cor...

Page 8: ...essly 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...

Page 9: ...wo 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 3 2 Technical data 3 2 1 Float sensor NAR300 I...

Page 10: ...it freezes see Alarm output table Cable entry G3 4 x2 Ex d G1 2 x1 Ex ia G1 2 x 2 Ex d G1 2 x 1 Ex ia NPT3 4 x2 Ex d NPT1 2 x1 Ex ia NPT1 2 x2 Ex d NPT1 2 x1 Ex ia M25 x2 Ex d M20 x1 Ex ia M20 Ex d M2...

Page 11: ...at may be penetrated by seawater Other Promptly remove any debris that adheres to the sensor unit Ensure that there is no caked on mud dried solids etc Avoid installation conditions that cause the flo...

Page 12: ...3 NRR262 1 2 3 4 5 7 6 1 Float sensor 2 Float guide bar packaged separately 3 Weight packed in the bottom of the box with the transmitter 4 Sensor I F Ex box 5 Cable gland Ex ia cable entry is only in...

Page 13: ...ht packed in the bottom of the box with the transmitter 4 Sensor I F Ex box 5 Cable gland Ex ia cable entry is only included with TIIS explosion proof specifications 6 U bolt 1 2 3 1 NRR261 2 Cable gl...

Page 14: ...is used in sea water Failed or delayed alarm when overturned by waves Delayed alarm caused by generation of a bypass circuit between the conductive sensor and the float itself due to salt coating Fai...

Page 15: ...losed If one of these conditions is not satisfied contact your Endress Hauser Sales Center 4 2 Product identification The following options are available for identification of the device Nameplate spe...

Page 16: ...n class Ex ia IIB XYZ Intrinsically safe circuit Uo 28 V Io 93 mA Po 0 65 W Co 0 083 F Lo 3 05 mH XYZ Non intrinsically safe circuit Power supply _ Um AC 250 V 50 60 Hz DC 250 V abcd Ambient temperatu...

Page 17: ...bles which thermal endurance is over 70 Refer to control drawing Ex1087 1281 IP67 Type 4X NP 2742 NP 2670 Endress Hauser Yamanashi Co Ltd Yamamashi 406 0846 Made in Japan Endress Hauser Yamanashi Co L...

Page 18: ...WARNING AFTER DE ENERGIZING DELAY 10 MINUTES BEFORE OPENING A Order Code Seri no Endress Hauser Yamanashi Co Ltd Yamanashi 406 0846 Made in Japan NP 2738 1 1 2 3 4 NRR261 ATEX II 2G Ex db ia Ga IIB T...

Page 19: ...G Ex ia IIB Gb FM 14ATEX0048X IECEx Ex ia IIB Gb IECEx FMG 14 0024X Ambient temperature 20 C 60 C IP20 Intrinsically safe circuit Uo 28 V Io 85 mA Po 595 mW Co 0 083 F Lo 2 4mH non Intrinsically safe...

Page 20: ...V Ii 93 mA Pi 0 65 W Li 48 H Ci tuvw 2 Uo 13 V Io 38 mA Po 123 5 mW Lo 80 mH Co 0 25 F BC 20 60 BC 20 60 q Made in Japan NP 2766 0 12 456 8 ABC DE JK NO PQRST VW 70 XA01839G IP67 NP 2767 Order code S...

Page 21: ...riginal packaging 4 4 2 Transportation NOTICE The housing may become damaged or dislodged Risk of injury When transporting the device to the measuring point either use the device s original packaging...

Page 22: ...h temperature 22 Endress Hauser 5 Installation 5 1 NAR300 system dimensions 5 1 1 Dimensions of NAR300 float sensor 20 0 79 200 7 87 250 9 84 1 73 2 87 210 8 27 304 11 97 A0039905 11 Outline of float...

Page 23: ...lly Ex d ia transmitter NRR261 is mounted on a tank yard s pipe and secured in place with a U bolt JIS F 3022 B 50 type It can also be mounted directly onto wall surfaces requires 4 12 mm 0 47 in hole...

Page 24: ...included in the delivery This rail mounted method is beneficial in cases where multiple transmitters are mounted in series and in cases where installation of additional transmitters is expected in the...

Page 25: ...nto wall surfaces requires 4 12 mm 0 47 in holes and M10 securing nuts and bolts not included in the delivery 75 2 95 113 7 4 48 165 2 6 50 61 2 2 41 222 2 8 75 74 2 91 100 3 94 18 0 71 147 2 5 8 L1 1...

Page 26: ...ion only 4 Divider 5 U shaped groove 6 Screen 7 Pit 8 Pit cover 9 Float guide 10 Chain 11 Weight 12 Float sensor NAR300 13 Dispensing nozzle 100 mm 3 94 in or above 14 Dedicated cable included with NA...

Page 27: ...of time will improve convenience However each 50 g of increased load on the float will increase the draft by 1 mm 0 04 in resulting in reduced sensitivity Also if a chain is used to prevent the float...

Page 28: ...ndling precautions Always use both hands to hold the float when carrying NAR300 Do not lift or hold by any of the components shown in the figure below and do not lift by the upper portion of the senso...

Page 29: ...products CFD10 CFD30 UFD10 NAR291 NAR292 If the float guide is shorter than 2000 mm 78 74 in either cut and use it or follow the protocol for when it is 2000 mm 78 74 in or longer and contact your En...

Page 30: ...l nut approx 1 96 N m 20 kgf cm 5 Insert the NRR262 NRR261 connection cable into the cable entry of the terminal box and connect it to the terminal block 6 Secure the cable in place with a cable holde...

Page 31: ...en the main unit of cable gland 4 and the seal nut 3 Tightening torque main unit and seal nut approx 1 96 N m 20 kgf cm 5 Secure the cable in place with the cable holder 6 Install the terminal block c...

Page 32: ...put adjustment The only adjustment that can be made on the transmitter is the delayed activation time ON delay setting for the alarm output relay Time is set on the delay trimmer In NRR261 the delay t...

Page 33: ...a conductive grounding cable with a cross sectional area of at least 2 mm2 The communication cable shied of field devices with Class A grounding in an instrument room may also be used Class A groundin...

Page 34: ...Wiring of Ex ia transmitter NRR262 2 A B C A Float sensor NAR300 x6xxxx sensor I F Ex box is also included in the code B Sensor I F Ex box C Ex ia transmitter NRR262 a Green Thread M3 see 1 below b O...

Page 35: ...f NRR262 alone or both the FG of the sensor I F Ex box and the GND of NRR262 are connected 2 When using a 22 to 26 VDC power supply terminal number L is positive and N is negative 3 In order to mainta...

Page 36: ...e a Green Thread M3 see 1 below b Output to NRR261 3xx Thread M3 c Yellow Thread M3 d Black Thread M3 e White Thread M3 f Blue 2 Thread M4 connected at the time of shipping g Blue 3 Thread M4 connecte...

Page 37: ...power supply terminal number L is positive and N is negative 4 In order to maintain the Ex ia performance ensure that the power supply voltage does not exceed 250 VAC 50 60 Hz and 250 VDC during norma...

Page 38: ...GND Class A grounding TIIS specifications only 1 Conductivity detection electrode sensor 2 Conductivity detection electrode float 3 Dedicated cable 4 Conductivity detection circuit 5 Current output ci...

Page 39: ...on or off by the operation delay circuit The delay time can be set and there is a trimmer for setting the delay time in the alarm delay circuit A fail safe function is available in the relay contact...

Page 40: ...an oil leak Item Description Waves and cross currents on the liquid surface If the oil layer and the pit water are not stable due to strong waves on the surface of leaked oil caused by wind etc the co...

Page 41: ...urning sensor Alarm occurs a er taking out from pit Return the sensor to the original position Remove H and H cables and con rm their voltage is 22 2VDC Alarm is activated normally Close Close Start F...

Page 42: ...tected Replace the transmitter if there is no problem with the wiring between the transmitter and the sensor I F Ex box LED is lit green There is no alarm signal from the sensor If an alarm has been a...

Page 43: ...electrode and the holder periodically to maintain non conductivity Items to prepare Rag Mild detergent Cleaning procedure 1 Remove the NAR300 sensor from the pit 2 Clean from the tip of the conductive...

Page 44: ...annually along with an operation check as follows A clogged sensor or debris foreign substances moss etc in the pit may cause faulty operation Inspect and clean periodically Cleaning sensor using a so...

Page 45: ...ndress Hauser When ordering a spare part note the device designation on the nameplate Only replace parts with identical parts Carry out repairs according to the instructions On completion of repairs c...

Page 46: ...ion 1 Refer to the website for more information http www endress com support return material 2 Return the device if repairs or a factory calibration are required or if the wrong device was ordered or...

Page 47: ...float sensor can land horizontally The standard length of a float guide is 2 m 6 57 in however if you need a different length contact your Endress Hauser Sales Center 200 7 87 200 7 87 280 11 02 1 2...

Page 48: ...hten and secure the cable gland after inserting the cable from NAR300 The pressure resistant packing cable gland is supplied for the TIIS JPN Ex specification only Always use this cable gland 1 2 A003...

Page 49: ...tion of Conformity 8 Maintenance 44 Requirements for personnel 7 C CE mark 8 Cleaning Exterior cleaning 44 D Designated use 7 Disposal 46 Document Function 4 Document function 4 E Endress Hauser servi...

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Page 52: ...www addresses endress com 71559868 71559868...

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