GESTRA NRG 10-52 Original Installation Instructions Download Page 15 | Manualshive

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Summary of Contents for NRG 10-52

Page 1: ...E N English Level Electrode NRG 10 52 NRG 16 52 Original Installation Instructions 819123 02 ...

Page 2: ...X Atmosphère Explosible 5 Note on the Declaration of Conformity Declaration by the Manufacturer 5 Technical data NRG 10 52 NRG 16 52 6 Scope of supply 6 Name plate marking 6 Installation Tools 7 Dimensions NRG 10 52 NRG 16 52 8 NRG 10 52 NRG 16 52 step 1 9 NRG 10 52 NRG 16 52 step 2 9 Table Functions 9 Key 9 Examples of installation NRG NRG 10 52 NRG 16 52 10 Key 11 ...

Page 3: ...Tools 12 Connection of level electrode 13 NRG 10 52 NRG 16 52 connecting the five pole connector 13 Connecting terminals in contact block 13 Commissioning fault indication and troubleshooting 14 Removing and disposing of the level electrode Removing and disposing of level electrode NRG 10 52 NRG 16 52 14 ...

Page 4: ...ssel a protection tube provided on side ensures correct functioning see section Examples of installation on page 10 The level electrode can be installed together with one GESTRA level electrode for water level limiting or for high level alarm in a single protection tube or external level pot Safety note Danger When loosening the electrode steam or hot water might escape This presents the risk of s...

Page 5: ...njunction with the following level switches is type ap proved according to VdTÜV Bulletin Wasserstand 100 NRS 1 52 NRS 1 53 NRS 1 54 and NRS 1 55 or NRS 1 1 NRS 1 2 NRS 1 3 and NRS 1 5 The VdTÜV Bulletin Wasserstand Water Level 100 specifies the requirements made on water level control and limiting equipment for boilers Note on the Declaration of Conformity Declaration by the Manufacturer For deta...

Page 6: ...connection Five pole connectors cable glands Pg 11 Protection IP 65 to EN 60529 Max admissible ambient temperature Max 70 C Weight Approx 1 6 kg NRG 16 52 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 302 XX 424 see name plate Scope of supply NRG 10 52 1 Level electrode NRG 10 52 PN 6 1 J...

Page 7: ...e or the flange provided on the vessel must be accurately machined see Fig 3 Do not bend electrode tips when mounting Do not subject electrode tips to physical shocks At least 30 mm of the insulating tube must remain on the electrode tips Use only the supplied joint ring NRG 1 52 33 x 39 form D DIN 7603 1 4301 bright annealed Do not lag electrode body above the hexagonal section Do not insulate el...

Page 8: ... Installation Dimensions NRG 10 52 NRG 16 52 Fig 2 NRG 1 52 with five pole connector Fig 3 3 N8 N10 G1 ISO 228 1 40 0 5 1 2 3 4 A C C 260 42 1000 1500 50 14 65 70 Screwed G 1 A ISO 228 1 2 4 5 continued ...

Page 9: ...ation is at least 30 mm long measured from the lower edge of the screwed connection NRG 10 52 NRG 16 52 step 2 7 Check seating surfaces Fig 3 8 Place supplied joint ring 2 onto seating surface of the threaded standpipe or flange Fig 3 9 Apply a light smear of heat resistant silicone grease e g WINIX 2150 to electrode thread 3 10 Screw level electrode into threaded standpipe or flange and tighten w...

Page 10: ...allation inside the boiler Fig 6 Protection tube provided on site for installa tion inside the boiler and in combination with other GESTRA equipment 2 4 20 DN 50 1 20 20 90 c 9 6 7 8 0 a e f DN 100 24 524 5 20 G 20 90 1500 1 6 e a 7 d g 9 0 c 20 DN 20 DN 20 Centre distance 20 1 DN 20 20 6 0 9 e 20 20 10 DN 50 1 20 1500 9 6 7 0 a e f 90 14 h 8 Fig 7 External level pot 8 ...

Page 11: ...ide vent hole as close to the boiler wall as possible 9 High water HW 0 Electrode tip d 5 mm a Protection tube DN 80 in France according to AFAQ DN 100 b Protection tube DN 100 c Distance between electrode rods and protection tube 14 mm d Distance between electrode tips NRG 1 50 or NRG 1 51 14 mm creepage distances and clearances e Low water LW f Reducer DIN 2616 2 K 88 9x3 2 42 4 x 2 6 W f Reduce...

Page 12: ...10 52 NRG 16 52 j Retaining bracket k Lower part of terminal box l Contact block m Screw n Sealing ring Key o Upper part of terminal box p Gasket q Ring r Cable gland s Control cable Tools Screwdriver size 1 Screwdriver size 2 5 completely insulated according to DIN VDE 0680 1 i j k l m n o p q r s ...

Page 13: ...ntrol cabinet Attention 1 Swing up the retaining bracket j and detach the upper part of the terminal box o from the level electrode 2 Undo screw m and press the contact block l out of the upper part of the terminal box o Make sure that you do not lose the sealing ring n 3 Unscrew cable gland r 4 Pull cable through cable gland r ring q gasket p and upper part of terminal box o 5 Connect the termina...

Page 14: ... 10 52 NRG 16 52 1 Undo screw m Fig 9 2 Detach upper part of the terminal box o from the level electrode 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 a...

Page 15: ...15 For your Notes ...

Page 16: ...842 02 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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