GESTRA NRG 16-11S Скачать руководство пользователя страница 1 | Manualshive

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Installation Instructions 818790-00

Level Electrode

NRG 16-11S

GESTRA Steam Systems

NRG 16-11S

EN

English

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Содержание NRG 16-11S

Страница 1: ...1 Installation Instructions 818790 00 Level Electrode NRG 16 11S GESTRA Steam Systems NRG 16 11S EN English ...

Страница 2: ...5 Description NRG 16 11S 5 Function 5 System components 5 Design 5 NRG 16 11S step 1 12 NRG 16 11S step 2 12 Attention 12 Important notes 12 Tools 12 Installation NRG 16 11S 6 Corrosion resistance 7 Sizing 7 Name plate marking 7 Dimensions NRG 16 11S 8 Technical Data NRG 16 11S 9 Key 11 Design NRG 16 11S 10 Key 11 Functional Elements ...

Страница 3: ... 16 Tools 16 Check wiring 16 Apply mains voltage 16 Contents continued Commissioning Page Low level limiter 17 Note 17 Operation Fault finding list for troubleshooting 17 Operational Malfunctions Danger 18 Disposal 18 Decommissioning NRG 16 11S 13 Key 14 Examples of Installation ...

Страница 4: ...ed purpose Use level electrode NRG 16 11S only in conjunction with level switch NRS 1 7 for low level limiting low level alarm on board of seagoing vessels mobile offshore platforms or river boats The equipment must not be used in explosion risk areas Safety note The equipment must only be installed and commissioned by qualified and competent staff Retrofitting and maintenance work must only be pe...

Страница 5: ...n should always be done by checking if there is water in the gauge glass The equipment combination NRG 16 11S and NRG 1 7 provides fail safe protection against a first fault in accordance with TRD 604 System components NRS 1 7 Level switch NRS 1 7 Two channel level limiter redundancy with periodic self checking routine to EN 50156 1 Description NRG 16 11S The level electrode NRG 16 11S is exclusiv...

Страница 6: ...connector Polyamid PA Lengths available 500 mm 1000 mm 1500 mm 2000 mm Cell constant C 0 13 cm 1 with measuring surface extension 0 3 cm 1 without measuring surface extension Response sensitivity 10 µS cm at 25 C cell constant 0 3 cm 1 0 5 µS cm at 25 C cell constant 0 13 cm 1 Electrical connection Four pole connector cable gland M 16 Protection IP 65 to EN 60529 Max admissible ambient temperature...

Страница 7: ...t not be subjected to sharp increases in pressure Welds and flanges of the electrode are designed to withstand dynamic loading bending and alternating stress The dimensional allowances for corrosion and anti corrosive additives reflect the latest state of technology Technical Data continued Name plate marking Equipment designation Fig 1 Fig 2 ...

Страница 8: ...8 Technical Data continued Dimensions NRG 16 11S Fig 3 NRG 16 11S for marine applications 200 45 500 ...

Страница 9: ...9 Fig 4 Design 1 5 7 2 3 4 6 NRG 16 11S Fig 5 8 9 8 0 ...

Страница 10: ...10 Fig 6 9 Functional Elements NRG 16 11S ...

Страница 11: ...ring surface extension 7 Retaining ring 8 Flange seal 9 Upper part of terminal box 0 Seating surface Connecting standpipe Screw M 4 Cover Connection plate Sealing element Contact plate for level electrode Cable clamp Cable gland M16 PG 9 Design Functional Elements continued Key ...

Страница 12: ...and tighten Slide spring 3 along electrode tip 4 so that its bent end completely enters into small bore 2 6 Slip disk 6 onto electrode tip 4 ensuring that the electrode tip protrudes 2 mm from disk Fasten disk with grub screw 5 Push retaining ring 7 from below over electrode tip against disk 6 NRG 16 11S step 2 1 Check seating surfaces of flange provided on boiler standpipe 2 Place flange seal 8 o...

Страница 13: ...13 Examples of Installation NRG 16 11S DN 20 Fig 8 20 Centre distance DN 20 DN 20 b c f a c d e g f DN 50 3000 20 90 20 14 10 Fig 7 ...

Страница 14: ...m Max length 15 m with conductivites from 0 5 µS cm and application of the ancillary unit URN 1 24 V DC 1 Unscrew screw Fig 6 2 Take the terminal box off the level electrode leaving the sealing element on the contact plate 3 Remove cover 4 Press connecting plate out of the upper part of the terminal box 9 The upper part of the terminal box can be turned in steps of 90 5 Detach cable gland and cabl...

Страница 15: ... 1 2 3 3 2 1 4 5 8 9 10 1112 Electrical Connection continued Wiring diagram Fig 9 U 1 U1 2 U 2 3 2 1 NRS 1 7 1 2 3 4 5 6 8 9 10 1112 Fig 10 This wiring diagram is only valid for France Fig 11 NRG 16 11S NRG 16 11S NRG 16 11S ...

Страница 16: ...crews size 2 5 completely insulated according to DIN VDE 0680 1 Open end spanner A F 18 19 Voltage table Use this voltage table as a reference when checking whether the level electrode is submerged or if there is a malfunction Please take the wiring diagram of the electrode NRS 1 7 into account Fig 9 Fig 10 U1 2 U1 U2 submerged exposed malfunction submerged alarm 10 Veff 0 5 µS cm C 0 13 cm 1 2 Ve...

Страница 17: ...ontact Remedy Check and change position of installation Fault The vent hole in the protection tube does not exist is obstructed or flooded Remedy Check protection tube and if necessary provide vent hole Fault The isolating valves of the external measuring pot optional extra are closed Remedy Open isolating valves If faults occur that are not listed above or cannot be corrected please contact our T...

Страница 18: ... specification For the disposal of the level electrode observe the pertinent legal regulations concerning waste disposal Danger Risk of severe burns and scalds to the whole body Before removing the level electrode make sure that the vessel or measuring pot are depressurised 0 bar and cooled down to room temperature 20 C ...

Страница 19: ...19 For your notes ...

Страница 20: ...007 GESTRA AG Bremen Printed in Germany Agencies all over the world www gestra de GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon 49 421 3503 0 Telefax 49 421 3503 393 E mail info de gestra com Web www gestra de ...

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