GESTRA NRG 16-50S Original Installation Instructions Download Page 7 | Manualshive

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7

Technical data

– continued –

Dimensions NRG 16-50 S

Fig. 2

NRG 16-50 S for

marine applications

80

≤ 2000

295

∅

165

Flange PN 40, DN 50,
DIN 2527, form B
bolt circle

∅

125

(4x

∅

18 for M 16)





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Summary of Contents for NRG 16-50S

Page 1: ...1 E N English Level Electrode NRG 16 50S Original Installation Instructions 819013 01 ...

Page 2: ...e marking 6 Dimensions NRG 16 50 S 7 Technical data NRG 16 50 S 8 NRG 16 50 S step 1 9 NRG 16 50 S step 2 9 Tools 9 Examples of installation 10 Key 11 Installation Electrical connection NRG 16 50 S with four pole connector 12 Connection of level electrode 13 NRG 16 50 S with four pole connector 13 Tools 13 Wiring diagram 14 Key 14 ...

Page 3: ...3 Commissioning fault indication and remedy Danger 15 Removing and disposing of electrode 15 Note 15 Removing and disposing of electrode NRG 16 50 S 15 Contents continued Page ...

Page 4: ...afety circuit for the heating The equipment has a factory set default de energizing delay of 15 seconds to compensate for the the movements of the ship The self monitoring function ensures that an alarm will also be triggered if the electrode insulation is contaminated or has developed a leak or if there is a malfunction in the electrical connection The level electrode is installed inside steam bo...

Page 5: ...llation and maintenance work make sure that the equipment is cold Attention The name plate specifies the technical features of the equipment Do not commission or operate any item of equipment that does not bear its specific name plate Water level limiters are safety devices and must only be installed wired and commissioned by qualified and competent staff Retrofitting and maintenance work must onl...

Page 6: ...on Gylon Four pole connector Polyamid PA Lengths available 500 mm 1000 mm 1500 mm 2000 mm Electrical connection Four pole connector cable gland M 16 Protection IP 65 to EN 60529 Max admissible ambient temperature 70 C Weight Approx 4 5 kg without electrode tip Approvals see data sheet Gylon is a registered trademark of Garlock Sealing Technologies Palmyra NY USA Name plate marking Equipment design...

Page 7: ...7 Technical data continued Dimensions NRG 16 50 S Fig 2 NRG 16 50 S for marine applications 80 2000 295 165 Flange PN 40 DN 50 DIN 2527 form B bolt circle 125 4x 18 for M 16 ...

Page 8: ...e 3 Spring 4 Electrode tip 5 NRG 16 50 S with four pole connector Key 6 Anti rotation element 7 Thermal insulation provided on site d 20 mm outside of thermal insulation of steam boiler 8 Sealing surface 9 Flange joint provided on site 0 Connecting pipe socket provided on site 0 7 6 ...

Page 9: ...e socket and fix it with four bolts M 16 9 Tighten bolts in diagonally opposite pairs The tightening torque depends on the flange joint used n Make sure that the sealing surface of the connecting pipe socket is accurately machined n Do not bend electrode tip when mounting n Do not lag electrode body above the hexgonal section n Observe minimum spacing of 14 mm between measuring electrode electrode...

Page 10: ...RG 16 50 S Fig 6 Level pot if electrode is used as external water level limiter a Fig 5 Protection tube provided on site if electrode is used as internal water level limiter 14 2000 20 c d e 20 90 10 14 DN 50 b Centre distance DN 20 DN 20 DN 20 c g i f h 20 20 ...

Page 11: ... regulations must be considered b Vent hole Provide vent hole as close to the boiler wall as possible c Electrode tip 8 mm d Protection tube DN 80 e Distance between electrode tip and protection tube 14 mm f Reducer DIN 2616 2 K 88 9 x 3 2 42 4 x 2 6 W g Low water LW h Level pot DN 80 i High water HW Key ...

Page 12: ...ctrical Connection NRG 16 50 S with four pole connector j Screw M 4 k Cover l Upper part of the terminal box m Connecting plate n Insulating plate o Contact plate of level electrode p Cable strain relief q Cable gland M16 PG 9 Key ...

Page 13: ...k 4 Press connecting plate m out of upper part of the terminal box l The upper part of the terminal box can be turned in steps of 90 5 Detach cable gland q and cable clamp p from upper part of the terminal box l 6 Run cable through cable gland q and upper part of the terminal box l and wire terminals of the connecting plate m in accordance with wiring diagram Fig 8 7 Press connecting plate m into ...

Page 14: ...ntinued Wiring diagram Fig 10 Electrical connection of level electrode with four pole connector Fig 9 Wiring diagram for equipment with TWO electrodes r r s s Fig 8 Wiring diagram for equipment with ONE electrode r s CEP CEP CEP ...

Page 15: ... of the equipment observe the pertinent legal regulations concerning waste disposal If faults occur that are not listed above or cannot be corrected please contact our service centre or authorized agency in your country When loosening the level 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 level ...

Page 16: ...8840 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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