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Fluidcontrol

Installation and Operation Instructions

Original instructions

Level switch for tank installation

NT 61-Z0-Atex

BE100028
10/2017

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

Содержание NT 61-Z0-Atex

Страница 1: ...nstructions Level switch for tank installation NT 61 Z0 Atex BE100028 10 2017 B hler 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...

Страница 2: ...instruction carefully prior to installation and or use Pay at tention particularly to all advises and safety instructions to prevent in juries B hler Technologies can not be held responsible for misus...

Страница 3: ...Transport and storage 6 4 Installation and connection 7 4 1 Installation 7 4 2 Electrical connections 7 4 2 1 PA connection potential equalisation 7 4 2 2 Intrinsically safe connection 8 5 Operation a...

Страница 4: ...complete Please note the specific values of the level switch when connecting and the correct version when ordering spare parts The explosion protection markings on the level switches are II 1G Ex ia...

Страница 5: ...rature TK50NC TK60NC TK70NC TK50NO TK60NO TK70NO 50 C NC 60 C NC 70 C NC Pt100 Temperature sensor Stilling tube SSR NT 61 Level contact Options XX XX ATEX XX X X 50 C NO 60 C NO 70 C NO XX XX 1 5 Scop...

Страница 6: ...explosive areas Additional national regulations pertaining to initial operation operation maintenance repairs and disposal must be observed These operating instructions are a part of the equipment Th...

Страница 7: ...rformed Legal regulations are observed during disposal Maintenance Repair Please note during maintenance and repairs Repairs to the unit must be performed by B hler authorised personnel Only perform c...

Страница 8: ...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 tem...

Страница 9: ...he float is above the fluid level This can easily be verified with a piece of iron to determine the magnet position inside the float 4 2 Electrical connections 4 2 1 PA connection potential equalisati...

Страница 10: ...vel switch may only be operated with an intrinsically safe power supply The power supply must be suitable for the respective zone The limits specified in these operating instructions must be observed...

Страница 11: ...the Pt100 with the respective EX approved RTD converter or a separating barrier with RTD input suitable for EX The Measuring current must be 1 mA to prevent excessive self heating which will cause mea...

Страница 12: ...ally safe power supply The power supply must be suitable for the respective zone The limits specified in these operating instructions must be observed and must not exceeded even with two separate intr...

Страница 13: ...at exceeding the level contacts bistable reed contacts will trigger these magnetically This can switch signals used to display the fill level Please note the technical specifications for the level swi...

Страница 14: ...ance 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 12 B hler...

Страница 15: ...to B hler Technologies GmbH Reparatur Service Harkortstra e 29 40880 Ratingen Germany Please also attached the completed and signed RMA decontamination statement to the packaging We will otherwise be...

Страница 16: ...osal 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 14 B hler Technologies G...

Страница 17: ...at L 280 mm approx 950 g Each 100 mm add approx 50 g Material Float 1 4571 Immersion tube 1 4571 Flange DIN 24557 1 4571 Includes Mounting screws quantity 6 and rubberised cork seal Options Stilling...

Страница 18: ...ure signal Pt100 Resistance Thermometer Temperature sensor Pt100 Class B DIN EN 60 751 Tolerance 0 8 K Pi 100 mW Ui 30 V li 50 mA lMess measuring current 1 mA Li Ci Negligible Pt100 measuring resistan...

Страница 19: ...plug top M3 M12 base 2 x M12 base A B Connection schematic 3 1 2 PE Only level contact s type K10 NC NO 1 x K 2 x K 1 x K 2 x K Only level contact s type W11 changeover contact Level contact s type K...

Страница 20: ...xplanation NO rising NO contact falling NC contact NC rising NC contact falling NO contact TK Temperature contact PT Pt100 Temperature Sensor SSR Stilling tube L1 L2 L3 L4 Level contact T1 T2 T3 T4 Te...

Страница 21: ...NT 61 Z0 Atex 10 Attached documents EU Type Examination Certificate IBExU16ATEX1183X Declaration of Conformity KX100032 RMA Decontamination Statement 19 B hler Technologies GmbH BE100028 10 2017...

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