Bühler technologies Nivotemp NT-EL Installation And Operation Instructions Manual Download | Manualshive

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Fluidcontrol

Installation and Operation Instructions

Original instructions

Level switch

Nivotemp NT-EL

BE100025
08/2020

Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen

Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20

E-Mail: [email protected]

Internet: www.buehler-technologies.com

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Summary of Contents for Nivotemp NT-EL

Page 1: ... Original instructions Level switch Nivotemp NT EL BE100025 08 2020 Bühler Technologies GmbH Harkortstr 29 D 40880 Ratingen Tel 49 0 21 02 49 89 0 Fax 49 0 21 02 49 89 20 E Mail fluidcontrol buehler technologies com Internet www buehler technologies com ...

Page 2: ...ead this instruction carefully prior to installation and or use Pay at tention particularly to all advises and safety instructions to prevent in juries Bühler Technologies can not be held responsible for misusing the product or unreliable function due to unauthorised modifications All rights reserved Bühler Technologies GmbH 2020 Document information Document No BE100025 Version 08 2020 ...

Page 3: ... General hazard warnings 5 3 Transport and storage 6 4 Setup and connection 7 4 1 Assembly 7 4 2 Electrical connections 7 4 3 Information on the correct operation of reed contacts in Bühler level switches 8 5 Operation and control 9 6 Cleaning and Maintenance 10 7 Service and repair 11 8 Disposal 12 9 Appendices 13 9 1 NT EL Technical Data 13 9 2 NT EL default pin assignment 14 10 Attached documen...

Page 4: ...located inside the tank The level switches are located inside the measuring tube These are activated by a magnet inside the level switch float The contacts are soldered to the board spaced as specified in the purchase order 1 2 2 Temperature monitor The temperature is monitored via thermal element soldered to the end of the contact board Choose from temperature contacts with fixed increments or a ...

Page 5: ...h connector M20x1 5 length L 370 mm 2 level contacts L1 280 mm NC L2 320 mm NO Order NT EL MS M20 M12 370 2K 280NC 320NO 1 4 Scope of Delivery Level switch Product documentation Connection mounting accessories optional 3 Bühler Technologies GmbH BE100025 08 2020 ...

Page 6: ...used This manual is part of the equipment The manufacturer keeps the right to modify specifications without advanced notice Keep this manual for later use Signal words for warnings DANGER Signal word for an imminent danger with high risk resulting in severe injuries or death if not avoided WARNING Signal word for a hazardous situation with medium risk possibly resulting in severe injuries or death...

Page 7: ...ations Maintenance Repair Please note during maintenance and repairs Repairs to the unit must be performed by Bühler authorised personnel Only perform conversion maintenance or installation work described in these operating and installation instructions Always use genuine spare parts Do not install damaged or defective spare part If necessary visually inspect prior to installation to determine any...

Page 8: ...t the product inside the original packaging or a suitable alternative The equipment must be protected from moisture and heat when not in use It must be stored in a covered dry dust free room at room temperature 6 Bühler Technologies GmbH BE100025 08 2020 ...

Page 9: ...y assembled and can be mounted to the tank with 30 Nm of torque Please be sure the float can move freely and to leave enough space between the tank wall and add ons After removing the float where applicable be sure the magnet inside the float is above the fluid level This can easily be verified with a piece of iron to determine the magnet position inside the float The level contacts are mounted wi...

Page 10: ... the contact For alternating current voltage an RC circuit per Figure B and Table 1 must be connected parallel to the contact A B Load Contact Recovery diode Load Contact RC circuit Load in VA 10 25 50 Voltage at contact V R Ohm C µF R Ohm C µF R Ohm C µF 24 22 0 022 1 0 1 1 0 47 60 120 0 0047 22 0 022 1 0 1 110 470 0 001 120 0 0047 22 0 022 230 470 0 001 470 0 001 120 0 0047 Please note the max v...

Page 11: ...Nivotemp NT EL 5 Operation and control NOTICE The device must not be operated beyond its specifications 9 Bühler Technologies GmbH BE100025 08 2020 ...

Page 12: ...enance This device is maintenance free The method for cleaning the devices must be adapted to the IP protection class of the devices Do not use cleaners which could damage the device materials 10 Bühler Technologies GmbH BE100025 08 2020 ...

Page 13: ...er correcting any malfunctions and switching on the power it must be inspected by the manufacturer Please send the equipment inside suitable packaging to Bühler Technologies GmbH Reparatur Service Harkortstraße 29 40880 Ratingen Germany Please also attach the completed and signed RMA decontamination statement to the packaging We will otherwise be unable to process your repair order You will find t...

Page 14: ...posal Dispose of parts so as not to endanger the health or environment Follow the laws in the country of use for disposing of elec tronic components and devices during disposal 12 Bühler Technologies GmbH BE100025 08 2020 ...

Page 15: ...80 g Material Float PU Immersion tube Brass G1 2 connection M20 x 1 5 7 8 14UNF Aluminium Level switching output K40 Number max 2 not adjustable Function NO NC Max voltage 30 V DC Max switching current 0 5 A Max contact load 5 VA Min contact spacing 30 mm in 10 mm increments NO falling NC contact NC falling NO contact Optional temperature Temperature contact TEL xx Max voltage 30 V DC Max switchin...

Page 16: ...67 Level contact s only Only level contact K40 and temperature con tact TK Level contact K40 and temperature sensor PT Level contacts K40 and temperature contact TK with special connection with IP67 cable box attached 14 Bühler Technologies GmbH BE100025 08 2020 ...

Page 17: ...Nivotemp NT EL 10 Attached documents Declaration of conformity KX100029 RMA Decontamination Statement 15 Bühler Technologies GmbH BE100025 08 2020 ...

Page 18: ......

Page 19: ...aminated Ja kontaminiert mit Yes contaminated with explosiv explosive entzündlich flammable brandfördernd oxidizing komprimierte Gase compressed gases ätzend caustic giftig Lebensgefahr poisonous risk of death gesundheitsge fährdend harmful to health gesund heitsschädlich health hazard umweltge fährdend environmental hazard Bitte Sicherheitsdatenblatt beilegen Please enclose safety data sheet Das ...

Page 20: ...ersetzen Sie vor der Inbetrieb nahme die Verkabelung wieder in den ursprünglichen Zustand Fragen Sie im Zweifel beim Hersteller nach weiteren Informationen Analysing defective assemblies is an essential part of quality assurance at Bühler Technologies To ensure conclusive analysis the goods must be inspected unaltered if possible Modifications or other damages which may hide the cause or render it...

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