GESTRA NRG 111-50 страница 7 Скачать руководство пользователя | Manualshive

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Technical data

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Scope of supply

NRG 16-5

1 Level electrode NRG 16-50, PN 40

1 Joint ring 27 x 32, form D, DIN 7603,

1.4301, bright annealed

1 Washer with set screw

(measuring surface extension) (optional)

1 Retaining ring (optional)

1 Installation manual

NRG 17-50

1 Level electrode NRG 17-50, PN 63

1 Joint ring 27 x 32, form D, DIN 7603,

1.4301, bright annealed

1 Washer with set screw

(measuring surface extension) (optional)

1 Retaining ring (optional)

1 Installation manual

NRG 19-50

1 Level electrode NRG 19-50, PN 160

1 Joint ring 27 x 32, form D, DIN 7603,

1.4301, bright annealed

1 Washer with set screw

(measuring surface extension) (optional)

1 Retaining ring (optional)

1 Installation manual

NRG 111-50

1 Level electrode NRG 111-50, PN 320

1 Joint ring 33 x 39, form D, DIN 7603,

1.4301, bright annealed

1 Washer with set screw

(measuring surface extension) (optional)

1 Retaining ring (optional)

1 Installation manual

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Содержание NRG 111-50

Страница 1: ...1 Installation Instructions 818954 05 Level Electrodes NRG 16 50 NRG 17 50 NRG 19 50 NRG 111 50 GESTRA Steam Systems NRG 16 50 NRG 17 50 NRG 19 50 NRG 111 50 EN English ...

Страница 2: ...rer 5 Technical data NRG 16 50 NRG 17 50 NRG 19 50 6 Scope of supply 7 Name plate marking 8 Installation Dimensions NRG 16 50 NRG 17 50 NRG 19 50 9 Dimensions NRG 111 50 10 Tools 11 NRG 16 50 NRG 17 50 NRG 19 50 NRG 111 50 12 NRG 16 50 NRG 17 50 NRG 19 50 NRG 111 50 step 1 13 NRG 16 50 NRG 17 50 NRG 19 50 NRG 111 50 step 2 13 Key 13 NRG 16 50 F NRG 17 50 F NRG 19 50 F NRG 111 50 F with aluminium t...

Страница 3: ... NRG 19 50 NRG 111 50 with four pole connector 19 NRG 16 50 F NRG 17 50 F NRG 19 50 F NRG 111 50 F with aluminium terminal box 19 Tools 19 Wiring diagram 20 Key 20 Commissioning fault indication and troubleshooting 21 Removing and disposing of the level electrode Removing and disposing of level electrode NRG 1 50 21 Removing and disposing of level electrode NRG 1 50F 21 ...

Страница 4: ...ransmitter for water level control and high level alarm in one single protection tube or level pot If the level electrode is installed in an isolatable level pot outside the boiler make sure that the connec ting 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 for steam 40 mm and water 100mm the inst...

Страница 5: ...ectrodes 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 VdTÜV Bulletin Wasserstand Water Level 100 specifies the requirements made on water level control and limiting equipment for boilers Functional Safety acc to IEC 61508 The level electrodes NRG 1 50 NRG 16 36 are certified acc to IEC 61508 only...

Страница 6: ... admissible 10 NRG 111 50 Electrical connection NRG 1 50 Four pole connector cable glands M 16 NRG 1 50F Terminal box made from aluminium cable gland M 20 Protection IP 65 to EN 60529 Admissible ambient temperature Max 70 C Weight Approx 1 2 kg without extension NRG 16 50 NRG 17 50 NRG 19 50 Approx 2 1 kg without extension NRG 16 50F NRG 17 50F NRG 19 50F Approx 1 8 kg without extension NRG 111 50...

Страница 7: ...t annealed 1 Washer with set screw measuring surface extension optional 1 Retaining ring optional 1 Installation manual NRG 19 50 1 Level electrode NRG 19 50 PN 160 1 Joint ring 27 x 32 form D DIN 7603 1 4301 bright annealed 1 Washer with set screw measuring surface extension optional 1 Retaining ring optional 1 Installation manual NRG 111 50 1 Level electrode NRG 111 50 PN 320 1 Joint ring 33 x 3...

Страница 8: ...nstructions Voir instructions de montage 0525 GESTRA AG Münchener Str 77 D 28215 Bremen TÜV SWB xx 422 Betriebsanleitung beachten See installation instructions Hier öffnen Open here Ouvrir ici Voir instructions de montage PN 63 PN160 PN 40 NRG 17 50 F NRG 19 50 F NRG 16 50 F G 3 4 1 4571 IP65 Tamb 70 C 158 F 60 bar 870psi 275 C 527 F 32 bar 464psi 238 C 460 F 100 bar 1450psi 311 C 592 F Pmax Tmax ...

Страница 9: ...ig 4 NRG 16 50 NRG 17 50 NRG 19 50 with four pole connector and measuring surface extension Fig 5 NRG 16 50F NRG 17 50F NRG 19 50F with aluminium terminal box GESTRA Steam Systems GESTRA 272 3000 100 8 23 175 140 b 70 G A ISO 228 1 100 338 3000 G A ISO 228 1 ...

Страница 10: ...10 Installation continued Dimensions NRG 111 50 Fig 6 NRG 111 50 30 b 70 136 140 175 3000 Fig 7 NRG 111 50F 425 136 3000 338 G 1 A ISO 228 1 G 1 A ISO 228 1 30 ...

Страница 11: ...NRG 1 50 F Level electrodes with this suffix F feature a terminal box made from aluminium n The seating surfaces of the standpipe or the flange provided on the vessel must be accurately machined see Fig 12 n If the level electrode NRG 111 50 is to be installed in a flanged standpipe DN 50 use only the GESTRA hat flange Fig 11 n Do not bend electrode tip when mounting n Use only the joint rings sup...

Страница 12: ... 2 RA 12 5 Fig 8 Fig 9 G A ISO 228 1 G 1A ISO 228 1 33 40 Installation continued 1 2 3 4 9 8 0 a Fig 11 NRG 111 50 NRG 16 50 NRG 17 50 NRG 19 50 NRG 111 50 Fig 10 NRG 16 50 NRG 17 50 NRG 19 50 0 5 110 30 58 14 5 6 7 ...

Страница 13: ...ed lock washer 7 from below over electrode tip and against surface extension disk 6 NRG 16 50 NRG 17 50 NRG 19 50 NRG 111 50 step 2 7 Check seating surfaces Fig 12 8 Place supplied joint ring 8 onto seating surface of the threaded standpipe or flange Fig 9 9 Apply a light smear of heat resistant silicone grease e g WINIX 2150 to electrode thread 7 10 Screw level electrode into threads or flange pr...

Страница 14: ...14 Installation continued Fig 13 Fig 14 b c d K K H 1 2 3 4 5 6 1 2 3 4 6 5 6 5 4 3 2 1 e f NRG 16 50 F NRG 17 50 F NRG 19 50 F NRG 111 50 F with aluminium terminal box ...

Страница 15: ...bserve the following instructions 1 Loosen screws b and remove housing cover d Fig 13 The arrow on the name plate points towards this cover 2 Remove cable lugs from terminal lugs Fig 14 3 Loosen nut e with 19 mm open end spanner but do not remove Fig 14 4 Screw in level electrode as described in step 2 items 7 10 5 Turn electrode terminal box into desired direction 180 The terminal box can be turn...

Страница 16: ... internal water level limiter Fig 17 Protection tube provided on site if electrode is used as internal water level limiter combined with water level control or high water level alarm Fig 18 Level pot DN 80 if electrode is used as external water level limiter g h i j k g h k j i g j p l o p o m n o p DN 100 20 20 DN 20 24 5 24 5 20 20 DN 50 G G G 20 3000 20 90 20 G 90 1 4 DN 20 DN 20 m a x 1 0 0 0 ...

Страница 17: ...0 DN 50 DIN EN 1092 01 NRG 111 50 h For the approval of the boiler standpipe with connecting flange the relevant regulations must be considered l Vent hole Provide vent hole as close to the boiler wall as possible j High water HW k Electrode tip d 8 mm l Protection tube DN 80 in France according to AFAQ DN 100 m Protection tube DN 100 n Electrode distance 14 mm air gap and creepage distance o Low ...

Страница 18: ...0 NRG 17 50 NRG 19 50 NRG 111 50 four pole connector Fig 22 q Screw M 4 r Cover s Upper part of terminal box t Connecting plate Key t u v u Insulating plate v Contact plate of level electrode w Cable strain relief x Cable gland M 16 PG 9 w v ...

Страница 19: ...the upper part of the terminal box s 6 Run cable through cable gland x and upper part of the terminal box s and wire terminals of the connecting plate t in accordance with wiring diagram 7 Press connecting plate t into the upper part of the terminal box and align cable 8 Fix cable with cable strain relief w and cable gland x firmly into position 9 Replace cover r and insert screw q 10 Put upper pa...

Страница 20: ...m Connect the two internal screens to terminals 5 and 13 and the CEP Key y Level electrode NRG 1 50 NRG 1 11 z Stand by input 1 2 24 VDC for connecting logic unit SRL CEP Central earthing point in control cabinet Fig 23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 1 2 2 3 3 y y z z CEP CEP 1 NRG 1 50 LW HW 2 3 4 5 6 2 3 5 1 9 3 4 1 3 4 6 5 2 1 0 1 2 1 1 1 Terminal strip NRS 1 50 CEP NRG 1 11 NRG 1 50 NRG...

Страница 21: ... our service centre or authorized agency in your country Danger When loosening the electrode steam or hot water might escape This presents the risk of severe scalding all over the body It is therefore essential not to dismantle the electrode unless the boiler pressure is verified to be 0 bar The electrode becomes hot during operation Risk of severe burns to hands and arms Before carrying out insta...

Страница 22: ...22 For your Notes ...

Страница 23: ...23 For your Notes ...

Страница 24: ...world www gestra de 818954 05 03 2017cm 808807 07 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 ...

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