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OBO Bettermann isCon PR 90 SW Mounting Instructions

Lightning protection system
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  • Page 1 Mounting instructions ® isCon lightning protection system...
  • Page 2 ® Mounting instructions © 2023 OBO Bettermann Holding GmbH & Co. KG isCon ® is a registered brand of OBO Bettermann Holding GmbH & Co. KG...

  • Page 3: Table Of Contents

    Table of contents Table of contents About these instructions 1.1 Target group ........5 1.2 Relevance of these instructions .
  • Page 4 9.2.2 Carrying out an insulation test ......64 10 FAQ 4 | DE OBO Bettermann...

  • Page 5: About These Instructions

    About these instructions About these instructions Target group These mounting instructions are intended for specialists, who are quali- fied to erect lightning protection systems, e.g. lightning protection spe- cialists. These specialists must know the lightning protection standards applicable at the mounting location, as well as the generally recognised rules of technology.

  • Page 6: Applicable Documents

    If you require information on the use of the OBO isCon system for ® something other than under the conditions of use described here, please speak to your OBO contact. 6 | DE OBO Bettermann...

  • Page 7: Safety

    Safety Safety General safety information Observe the following general safety information: – The work may only be carried out by lightning protection specialists who have been trained for the installation of standard-conformant lightning protection systems. – If there is a lightning strike, lethal currents can flow through the light- ning protection system.

  • Page 8: System Description

    (10/350 μs), depending on the conductor. It consists primarily of the following components: – isCon conductor ® – Insulated air-termination rods – isCon connection elements ® – System accessories for fastening (tripod stand, support and holder) – System accessories for connection 8 | DE OBO Bettermann...

  • Page 9: Iscon Conductor

    The isCon conductor is sold by the metre and in five variants: ® Conductor type Feature Article number isCon PR 90 SW (Premium) Black 5408018 isCon Pro 75 SW (Professional) Black 5408008 isCon Pro+ 75 SW Black...
  • Page 10 Black, weakly conductive layer Protective jacket External jacket, grey The isCon conductor may only be connected to air-termination rods or ® forwarding systems using system-tested OBO connection elements (see also “5.4 isCon connection elements” on page 14). ® 10 | DE OBO Bettermann...
  • Page 11 System description isCon BA 45 isCon Pro 75 isCon Pro+ isCon Pro+ isCon PR Type 75 SW 75 GR 90 SW Colour Black Black Black Grey Black Equivalent separation ≤ 45 ≤ 75 ≤ 75 ≤ 75 ≤ 90 distance, air (cm) Equivalent separation ≤...

  • Page 12: Insulated Air-Termination Rods

    In addition, it guarantees a sufficient distance of 1,500 mm to the equipotential bonding, which is connected at the bottom end of the insulated rod (see also Fig. 13 on page 21 No. 12 | DE OBO Bettermann...
  • Page 13 System description The system comprises three types of air-termination rod. This means it can be used in different mounting situations. Fig 4: Three air-termination rod types (without potential connection) Legend: Air-termination rod with internal isCon conductor and side exit ® Air-termination rod with external isCon conductor ®...

  • Page 14: Iscon ® Connection Elements

    IN con 2 5408019 tors isCon IN con PRE 5408020 Connection element with isCon ASE IN 23 5408082 ® Connection elements for internal isCon adaptive switching element, conductors with the option of insulation testing internal 14 | DE OBO Bettermann...

  • Page 15: System Accessories For Fastening

    System description System accessories for fastening Tripod stands (see section 5.5.1) or supports for wall or pipe mount- ing (see section 5.5.2 on page 18) can be used to fasten the isCon ® air-termination rods. In addition, the system offers special holders for the isCon conductor (see section 5.5.3 on page 20).
  • Page 16 The blocks can be stacked to in- crease the stand weight (e.g. for increased wind speeds) (see Fig. 8 on page 17). Additional blocks can mounted internally in the tripod stands of diameter 1,500 mm (unfolded). 16 | DE OBO Bettermann...
  • Page 17 System description Fig 8: Increasing the stand weight by stacking the concrete blocks Fig 9: Concrete block with fastenings Legend: Hexagonal nuts (with washers) for height compensation Lock nut (with washer and plate) Concrete block Edge protection Threaded rod Mounting instructions isCon lightning protection system 17 | DE ®...

  • Page 18: Air-Termination Rod Support For Isfang Mounting

    Support for wall or pipe mounting of the isFang air-termination rods Ø isCon Article No. Type air-termination rod Features Material number [mm] isFang TW30 5408952 40/50 Surface mounting, distance from wall 30 mm isFang TW80 5408950 40/50 Surface mounting, distance from wall 80 mm 18 | DE OBO Bettermann...
  • Page 19 System description isFang TW200 12 5408910 40/50 Surface mounting, distance from wall 200 mm isFang TW200 5408954 40/50 Surface mounting, variable distance from wall 200–300 mm isFang TR100 5408956 40/50 Tightening strap clip for round construc- tion pipes of Ø 50–300 mm; distance to pipe 40 mm isFang TR100 5408955...

  • Page 20: Holder For The Iscon ®- Conductors

    1,000 mm, can be shortened; ® conductor for mounting on FangFix concrete block, 10 kg, with edge protection Tab 6: Technical data of the holders for the isCon ® conductor 20 | DE OBO Bettermann...

  • Page 21: System Accessories For Connection

    System description System accessories for connection Fig 13: Accessories for connecting the isCon ® conductor Product Type Item no. Features Stripping tool isCon stripper 2 5408013 To remove the insulation of the isCon conductor ® (see section “7.1.3 Revealing the copper core for connection”...

  • Page 22: Planning An Installation

    You can find further information in the OBO TBS lightning protection guide and national directives. – Ensure that there is equipotential bonding (see “7.8 Attaching the potential connection” on page 48). Note! Y ou can find additional detailed planning aids on lightning and surge pro- tection systems in the OBO TBS lightning protection guides (order no.: 9131970). Note! T o guarantee the functionality of the isCon lightning protection system, ® tested components of the OBO delivery range must be used. 22 | DE OBO Bettermann...

  • Page 23: Schematic Diagram Of The Iscon ® System Using The Example Of The Iscon Pro+ 75 Sw

    Planning an installation Schematic diagram of the isCon system using the example ® of the isCon Pro+ 75 SW 5058 026 5058 022 5057 599 2332 784 5408 952 5408 043 5408 036 5408 056 ≤ 1 m 5408 022 5336 058 Fig 14: Installation of the isCon...
  • Page 24 Separation distance of s ≤ 17 5 cm in air A potential connection is not required for a calculated separation dis- tance of s ≤ 17.5 cm in air. Note! B efore designing the lightning protection system, obtain information on the function, general design and location of the structure. Note! D uring routing in buildings, pay attention to the specified protection measures, e.g. division into fire sections. Read the OBO fire protection guide (article number: 9134859) for more information. 24 | DE OBO Bettermann...

  • Page 25: Calculating, Checking And Maintaining The Separation Distance

    Planning an installation Calculating, checking and maintaining the separation distance Note! I f the approval authorities, the insurance company or the customer have not yet specified whether the appropriate building should be protected by a lightning protection system, the planner should carry out a risk evalu- ation according to DIN EN 62305-2 /IEC 62305-2, which will indicate whether a lightning protection system is required or not. • Calculate the separation distance at the connection point of the isCon conductor according to DIN EN 62305-3 (VDE 0185-305-3)/ ® IEC 62305-3 Section 6.3. Measure the distance (l) from the connec- tion point of the isCon conductor to the next level of the lightning ®...
  • Page 26 Premium conductor can be used from the air-termination unit up to the arresting system to implement the separation spacing (depending on the required conductor length, see Tab. 8). ® Fig 15: One isCon conductor for lightning protection class II/I 26 | DE OBO Bettermann...

  • Page 27: Installation In Potentially Explosive Areas

    Planning an installation Installation in potentially explosive areas The isCon Pro+ conductor is ignition-free and can thus be used in light- ning protection systems which are to be located in potentially explosive areas. Here, the isCon Pro+ conductor may be run through the areas of ®...
  • Page 28 Planning an installation 2/22 Zone 1/21 Zone Zone 0/20 Fig 16: Example of the installation of the isCon Pro+ conductor in the Ex zones of a potentially explosive area 28 | DE OBO Bettermann...

  • Page 29: Soft-Covered Roofs

    Planning an installation Soft-covered roofs Soft-covered roofs, e.g. straw, reed or thatched roofs, are particularly at risk of fire and require increased protection against lightning strikes. Here, the isCon system, e.g. with internal conductor (type isFang IN), ® can be included discreetly in the building's appearance as an air-termin- ation system.

  • Page 30: Installing The Iscon ® System

    ® The isCon conductor is sold by the metre and in five variants: ® Conductor type Article number isCon PR 90 SW 5408018 isCon Pro 75 SW 5408008 isCon Pro+ 75 SW 5408002, 5408004, 5408006 isCon Pro+ 75 GR...

  • Page 31: Revealing The Copper Core For Connection

    Installing the isCon® system 1,5 mm > 1,5 mm Cutting and removing the grey outer jacket in the contact area Fig 18: 1. To mount the connection elements, at the ends of the isCon con- ® ductor, remove 50 mm of the grey external jacket with a cable knife. Maximum cutting depth: 1.5 mm.

  • Page 32: Mounting Iscon Connection Elements

    After stripping, ensure an even cut edge. Remove any excess by hand. Mounting isCon connection elements All the isCon connection elements are mounted according to the same principle. Note! T he isCon ASE... connection elements must be checked with an insula- tion measuring device for correct function before mounting: – Insulation test at 500 V: Correct value ≥ GΩ – Insulation test at 1,000 V: Correct value ≤ GΩ 32 | DE OBO Bettermann...
  • Page 33 Installing the isCon® system Fig 22: Removing the grub screws 1. Remove the grub screws from the connection element using the Allen key. isCon EPPA 004 Fig 23: Using a cleaning cloth 2. Free the front area of the black, weakly conductive layer or protective jacket from impurities and grease (e.g.
  • Page 34 Using a gas torch or hot air at approx. 120 °C, shrink the heat-shrinkable sleeve and let it cool. Note! In the case of the isCon ASE 23 connection element, when the conduct- or is routed, the labelling panel for the testing office must be stuck on at the last fastening point. The yellow, reactive screw lock of the grub screws in the connection Note! element requires approx. 6 hours to harden fully. Only when the screw lock has fully hardened is an increased releasing torque required to release the screws again. 34 | DE OBO Bettermann...

  • Page 35: Assembling The Air-Termination Rod With Internal Iscon Conductor

    Installing the isCon® system Assembling the air-termination rod with internal isCon ® conductor Fig 27: isFang air-termination rod with internal isCon ® conductor Legend: Air-termination rod Internal connection element Isolated central rod Potential connection with potential connection element Retaining mast with side exit Air-termination rod stand with side exit Concrete base with edge protection Internally routed isCon...
  • Page 36 Fig 29: Screwing the air-termination rod to the connection element 3. Fix the connection element with a fork wrench (WAF 19 mm) and screw the air-termination rod tight to the connection element. 36 | DE OBO Bettermann...
  • Page 37 Installing the isCon® system Fig 30: Attaching the internal potential connection element Note! The internal potential connection element consists of two half shells. These must be located in such a way that they surround the isCon con- ® ductor and one of the half shells is located centrally beneath the screw holes, so that it can be pressed using the side screw (see also Fig. 33 on page 38). 4. Place the two half shells of the potential connection element on the conductor and push them into the retaining pipe. Fig 31: Pushing the retaining rod into the central rod 5.
  • Page 38 42 or “7.6 Fastening the air-termination rod to pipes, a wall or T support” on page 46 – “7.7 Routing the isCon® conductor” on page 47 – “7.8 Attaching the potential connection” on page 48 38 | DE OBO Bettermann...

  • Page 39: Assembling The Air-Termination Rod With External Iscon Conductor

    Installing the isCon® system Assembling the air-termination rod with external isCon ® conductor Fig 35: isFang air-termination rod with external isCon ® conductor Legend: Air-termination rod Connection plate Top connection element Insulated central rod Potential connection with potential connection clip Retaining rod Air-termination rod stand Concrete base with edge protection...
  • Page 40 Tightening torque: 24 Nm. 3. Run the conductors downwards on the air-termination rod, ideally opposite one another (see Fig. 37). 4. Install the conductors as far apart from each other as possible, if the installation conditions permit this. 40 | DE OBO Bettermann...
  • Page 41 Installing the isCon® system Fastening and potential connection 555 7.6x380 SWUV ® Fig 38: Fastening the isCon conductor on the air-termination rod using strip clips 1. In addition, fasten the isCon conductor to the air-termination rod at a ® maximum distance of 1 metre through non-metallic strip clips (cable ties, type 555 7.6x380 SWUV).

  • Page 42: Fastening The Air-Termination Rod In The Tripod Stand

    Risk of damage! When multiple concrete bases are used, the heavy weight can lead to damage to the substrate. If necessary, place protective mats under the concrete base. Note! T o determine how many concrete bases must be used in the isFang air-termination rod system, we recommend asking a planning office to carry out the static calculations. You can find further information on wind- speed zones in the OBO TBS lightning protection guide and national directives. 42 | DE OBO Bettermann...
  • Page 43 Installing the isCon® system Fig 41: Mounted concrete base 1. Remove the lock nuts on the threaded rods. Fig 42: Unfolding and fixing the tripod stand 2. Unfold the tripod stand. 3. Fix the tripod stand by screwing in the three locking screws and the spring washers.

  • Page 44: Fastening The Air-Termination Rod In The Tripod Stand

    Fastening the air-termination rod in the tripod stand Air-termination rod with internal isCon conductor ® Fig 45: Inserting the air-termination rod in the tripod stand 1. Insert the air-termination rod in the tripod stand from above. 44 | DE OBO Bettermann...
  • Page 45 Installing the isCon® system Fig 46: Fastening the air-termination rod in the air-termination rod stand 2. Tighten the clamp clip, thus fixing the air-termination rod. Air-termination rod with external isCon conductor ® Fig 47: Fixing the air-termination rod in the air-termination rod stand 1.

  • Page 46: Fastening The Air-Termination Rod To Pipes, A Wall Or T Support

    – In the case of a non-metallic building structure, connect the equi- potential bonding directly to the equipotential bonding of the air-termination rod (see “7.8 Attaching the potential connection” on page 48). Note! I n the case of a metallic, earthed building structure, the equipotential bonding is created using the metallic fastening clips of the air-termination rod. No additional connection is required. 46 | DE OBO Bettermann...

  • Page 47: Routing The Iscon ® Conductor

    Installing the isCon® system Routing the isCon conductor ® When routing the isCon conductor to the forwarding conductor system, ® observe the following information: – The complete isCon conductor must be located in the protection area ® of the lightning protection system. –...

  • Page 48: Attaching The Potential Connection

    ). The design of the isFang air-termination rod pro- vides this distance through its 1.5 metre-long central rod. The potential connection on the insulated air-termination rod must be designed differently for air-termination rods with internal and external conductor. 48 | DE OBO Bettermann...
  • Page 49 Installing the isCon® system Internal isCon conductor ® In the case of isFang air-termination rods with an internal isCon con- ® ductor, the potential connection must be connected via the potential connection element, which is located internally (see also Fig. 30 on page 37 and Fig.

  • Page 50: Installing The Potential Connection On The End Of The Iscon

    ® and the upstream potential connection terminal , in order to prevent surface discharge along the high-voltage-resistant isCon conductor. ® W hen the isCon Basic 45 conductor is installed, there is no equipotential Note! bonding connection on the air-termination rod (see “7.8.1 Installing the potential connection on an insulated air-termination rod” on page 48). 50 | DE OBO Bettermann...
  • Page 51 Installing the isCon® system Fig 51: Minimum distance (x) between the connection element and the equipotential bonding T he minimum distance (x) can be derived from the calculated separation Note! distance (see “6.2 Calculating, checking and maintaining the separation distance” on page 25). Use the formula x = s * 2, in order to calculate the minimum distance (x) necessary (see also Fig. 52). x [cm] 17,5 80 85 90 s [cm] Fig 52: Minimum required distance between the connection element and the potential connection terminal in air Legend for Fig 521: Clip distance (x) from the potential connection terminal to the con-...
  • Page 52 Installing the isCon® system isCon BA 45 SW isCon Pro+ 75 SW/GR and isCon Pro 75 SW isCon PR 90 SW Example: If the calculated separation distance is 60 cm, then you can use the variants isCon Pro, Pro+ or Premium. Install the potential connection ®...

  • Page 53: Including The Tripod Stand In The Functional Equipotential Bonding

    Installing the isCon® system Fig 54: Equipotential bonding using isCon H VA conductor holder on metallic substrate, grey external jacket removed in contact area. Mounting variant 2 for isCon BA 45 SW The conductor type isCon BA 45 SW can also be routed without a po- tential connection.

  • Page 54: Installing Additional Potential Connections

    To do this, connect the isCon conductor multiple times with these instal- ® lations, e.g. cable racks, pipelines or parapet plates, after the first poten- tial connection using the potential connection element. Fig 57: Creating additional equipotential bonding 54 | DE OBO Bettermann...

  • Page 55: Creating Additional Equipotential Bonding For Iscon Pro+ In Potentially Explosive Areas

    Installing the isCon® system 7 8 5 Creating additional equipotential bonding for isCon Pro+ in potentially explosive areas The following information explains the creation of the equipotential bond- ing of installations in potentially explosive areas. See also “6.4 Installa- tion in potentially explosive areas” on page 27. In Ex zones 1 and 21, connect the isCon conductor to the equipotential ®...
  • Page 56 (equipotential bonding conductors) and connected to the building's equipotential bonding at regular intervals. isCon HS VA ≤ 5 0 0 ® Fig 60: Running the isCon conductor on an earthed pipe in a potentially explosive area 56 | DE OBO Bettermann...

  • Page 57: Mounting Variants

    Mounting variants Mounting variants Separate lightning protection ring conductor In the following example, the isCon conductor is to be connected to ® a stand-off lightning protection ring conductor . For this, we recom- mend the air-termination rod stand with external isCon conductor.

  • Page 58: Metallic Roof Parapet

    The distance x (= separation distance s multiplied by two) between the potential connection terminal and the rear connection element should be noted. Note! T he conductor type isCon BA 45 SW (Basic) can be routed with or without potential connection. If the conductor is routed without a potential connection, observe “Mounting variant 2 for isCon BA 45 SW” on page ® Fig 62: isCon conductor connected to metallic parapet 58 | DE OBO Bettermann...

  • Page 59: Conductor

    Mounting variants Internal and external isCon conductor ® The mounting example shows the use of an isFang air-termination rod with internal isCon conductor , to which a second, external isCon ® ® conductor is connected. Note! W hen using the grey isCon conductor, the light grey external jacket ® must be removed before connecting the potential connection (see “7.1.2 Stripping the grey external jacket (isCon Pro+ 75 GR)” on page 30).

  • Page 60: Internal And External Iscon

    The distance x (= separation distance s multiplied by two) between the potential connection terminals and the rear connection elements should be noted. Rd 8 Rd 8 Fig 64: Current division to two isCon ® conductors, e.g. for lightning protection class I 60 | DE OBO Bettermann...

  • Page 61: Iscon Conductor Included In The Ring Conductor

    Mounting variants isCon conductor included in the ring conductor ® In areas in which a conventional ring conductor would be difficult in- stall whilst maintaining the required separation distance (s) (e.g. to roof structures) (see Fig. 65 on page 61 No. ), the isCon conductor ®...
  • Page 62 ≤ 1 m. 4. Maintain the minimum bend radius of 260 mm. 5311 519 5408 056 2146 207 r 260 mm ≤ ® Fig 66: Installation of the isCon conductor Pro+ 75 GR as touch protection 62 | DE OBO Bettermann...

  • Page 63: Checking The Lightning Protection System

    Checking the lightning protection system Checking the lightning protection system The entire lightning protection system must be tested according to DIN EN 62305-3 (IEC 62305-3) and DIN EN 62305-3, Supplementary sheet Note! T he test results must be placed in writing, for which the isCon test report can be used. It can be found at www.obo-bettermann.com. Comprehensive Protection Comprehensive Visual inspection test in critical class test...

  • Page 64: Carrying Out A Continuity And Insulation Test

    DIN VDE 0185-305-3. isCon ASE 23 Art.-Nr. xxxx xxx Seriennr. (fortl.) < 0.5 kV W DC > 1.0 kV S DC OBO Bettermann P.O.Bo x 1120 D-58694 Menden Germany TESTING AREA Fig 67: Carrying out a continuity test Note! W ith meshed systems, the test sequence must be carried out at each separation point.
  • Page 65 ASE 23 Art.-Nr. xxxx xxx Seriennr. (fortl.) < 0.5 kV W DC > 1.0 kV S DC OBO Bettermann P.O.Bo x 1120 D-58694 Menden Germany TESTING AREA Fig 68: Carrying out an insulation test 1. Open all the separation points of the system to be checked.
  • Page 66 For this, the requirements and measures from VDE 0185-305-4 are to be observed. It is recommended to switch these cables with suitable surge protective devices. OBO isCon can only pre- ® vent direct galvanic coupling through isolation (arcing). 66 | DE OBO Bettermann...
  • Page 67 67 | DE Mounting instructions isCon lightning protection system ®...
  • Page 68 OBO Bettermann Holding GmbH & Co KG P O Box 1120 58694 Menden GERMANY Customer Service Germany Tel.: +49 (0)2373 89-1300 E-mail: toi@obo.de www.obo-bettermann.com...

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