GESTRA NRG 16-36 Скачать руководство пользователя | Manualshive

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Level Electrode

NRG 16-36

Original Installation Instructions

819257-01

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Содержание NRG 16-36

Страница 1: ...E N English Level Electrode NRG 16 36 Original Installation Instructions 819257 01 ...

Страница 2: ...ety acc to IEC 61508 5 VdTÜV Bulletin Wasserstand 100 Water Level 100 5 ATEX Atmosphère Explosible 5 Note on the Declaration of Conformity Declaration by the Manufacturer 5 Technical data NRG 16 36 6 Scope of supply 6 Name plate marking 6 Installation Tools 7 Dimensions NRG 16 36 8 Key 9 NRG 16 36 step 1 10 NRG 16 36 step 2 10 Table Functions 10 Examples of installation NRG 16 36 11 ...

Страница 3: ... Connection of level electrode 12 NRG 16 36 connecting terminals 12 Tools 12 Wiring diagram 13 Key 13 Commissioning fault indication and troubleshooting 14 Removing and disposing of the level electrode Removing and disposing of level electrode NRG 16 36 14 ...

Страница 4: ...d inside the boiler or vessel a protection tube provided on side ensures correct functioning see section Examples of installation page 11 If the level electrode is installed in an isolatable level pot outside the boiler make sure that the con necting lines are rinsed regularly In addition the logic unit SRL is required to monitor the purging times and the purging sequence If the connecting lines f...

Страница 5: ...l 100 The level electrodes NRG 1 50 NRG 1 11 and NRG 16 36 in conjunction with the level switch NRS 1 50 are type approved according to the VdTÜV Bulletin Water Level 100 The level electrode NRG 16 36 is also type approved in conjunction with level switches NRS 1 52 NRS 1 55 or NRS 1 2 NRS 1 5 The VdTÜV Bulletin Wasserstand Water Level 100 specifies the requirements made on water level control and...

Страница 6: ...mm Electrical connection Terminal box made from aluminium 2 cable glands Pg 11 Protection IP 65 to EN 60529 Max admissible ambient temperature Max 70 C Weight Approx 4 5 kg L 1000 mm Approvals TÜV certificate VdTÜV Bulletin Water Level 100 Requirements made on water level limiting control equipment Type approval no TÜV WR WB XX 370 XX 424 SWB XX 422 see name plate Gylon is a registered trademark o...

Страница 7: ...electrode tips to physical shocks Use only the supplied joint ring 48 x 55 form D DIN 7603 made from 2 4068 bright annealed Do not lag electrode body above the hexagonal section Do not insulate electrode thread with hemp or PTFE tape Do not apply conductive paste or grease to the electrode thread Make sure that the air distance between the electrode tips and earth flange vessel wall is not less th...

Страница 8: ...16 36 dimensions are applicable for conductivity 10 μS cm measuring length 1000 mm 228 23 53 1 2 4 75 400 1000 1500 3 50 50 0 5 14 8 14 55 5 5 14 8 14 Fig 3 NRG 16 36 dimensions are applicable for conductivity 10 μS cm measuring length 1000 mm 9 9 9 5 0 6 6 ...

Страница 9: ...03 made from 2 4068 bright annealed 5 Electrode tips 6 7 and 8 6 Electrode tip for low water LW Key 7 Insulation of electrode tips 8 Spacer disc 9 Measuring surface extension for electrode tips 6 7 and 8 0 Measuring surface extension for low water LW a Set screw b Retaining ring Fig 4 N8 N10 G1 ISO 228 1 56 0 5 Dimensions NRG 16 36 17 50 X 2 2 2 7 8 9 a b 0 Fig 5 5 continued continued ...

Страница 10: ...extensions is included in the terminal box 2 7 Slip spacer disc 8 onto electrode tips at equal distances Fig 4 9 Attach a measuring surface extension 9 only required in Fig 3 to each of the electrode tips arranged radially around the central electrode tip Fig 4 10 Attach measuring surface extension 0 onto the central electrode tip LW and fasten it with the set screw a 11 Put the retaining ring b o...

Страница 11: ...ode tips and protection tube 14 mm g Protection tube DN 100 h Low water LW Key c d 90 20 e G 1 10 DN 50 20 g f f 1000 1500 i h Fig 6 Protection tube provided on site if electrode is used as internal water level limiter Fig 7 Level pot if electrode is used as external water level limiter DN 20 DN 20 Centre distance 20 G 1 DN 20 20 j m k h l i Reducer DIN 2616 2 K 114 3 x 3 6 48 3 x 2 9 W j Flange P...

Страница 12: ... Put back the cover of the terminal box and fasten the fixing screws Make sure that the cover is properly seated Connection of level electrode To connect the level electrode use two multi core overall screened control cables in separated con duits To connect the level tip for low water level LW alarm please use For the level switch NRS 1 50 with a response sensitivity of 10 μS Multi core screened ...

Страница 13: ... Connect the two internal screens to terminal 5 and the CEP p Central earthing point CEP in control cabinet q Terminal box r Cable gland for low water LW s Cable gland for water level controller electrode tips 6 7 and 8 Key n MAX Pump OFF Pump ON Low water LW Level switch NRS 1 50 Level switch NRS 1 54 p o p Fig 9 1 NWB WR LW Contr NTB Rég NB Reg 5 2 6 3 7 4 8 q r s continued ...

Страница 14: ...ixing screws and remove the terminal box Loosen cable gland 2 Detach all cables and pull the cable glands 3 Before removing the equipment make sure that is is neither hot nor under pressure For the disposal of the equipment observe the pertinent legal regulations concerning waste disposal Danger When loosening the electrode steam or hot water might escape This presents the risk of severe scalding ...

Страница 15: ...15 For your Notes ...

Страница 16: ...906 01 GESTRA AG Bremen Printed in Germany 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 Agencies all over the world www gestra de ...

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