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OBO Bettermann isCon System Instructions

Lightning protection
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isCon
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System instructions
07/2018 EN
Building Connections

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  • Page 1 ® System instructions 07/2018 EN Building Connections...
  • Page 2 OBO isCon ® System instructions © 2018 OBO Bettermann Holding GmbH & Co. KG Reprinting, even of extracts, as well as photographic or electronic reproduction are prohibited! isCon is a registered brand of OBO Bettermann Holding GmbH & Co. KG ®...

  • Page 3: Table Of Contents

    3.4.3 Bracket for the isCon® conductors ......18 System accessories for connection ....19...
  • Page 4 Table of contents 6.6.2 Installing the potential connection on the end of the isCon conductor ..52 ® 6.6.3 Including the air-termination rod stand in the functional equipotential bonding . 55 6.6.4 Installing additional potential connections ....55 6.6.5...

  • Page 5: About These Instructions

    • Regional and seasonal factors were not taken into account. • To find out more about planning and installation of the OBO isCon ® system, we recommend a comprehensive training course. Types of safety information Type of risk! Shows a possibly hazardous situation.

  • Page 6: Declaration Of Conformity

    The system is not designed for any other purpose than the one described here. If the system is installed and used for another purpose, any liability, warranty or damage claims shall be rendered null and void. If you require information on the use of the OBO isCon system for some- ®...

  • Page 7: General Safety Information

    ® product range, as otherwise there is no guarantee that safe installation is possible. • The jacketing of the grey isCon conductor may be painted a different ® colour. It does not possess any electrical properties which could be at risk from paint. This does not apply when the conductor is used as protection against touch voltages.

  • Page 8: Product Description

    Depending on the design, after the first potential connection behind the connection element on the air-termination rod, the isCon® conductor reflects an equivalent separation distance of up to 0.45‒0.9 metres in the air or double that in solid matter. This means that installation is possible directly on metallic and electrical structures.
  • Page 9 As the external grey jacket is non-conductive, it must be removed in the contact areas. 35 mm² Ø 23 mm Ø 26 mm Fig 1: Schematic diagram of the isCon conductors Pro+ 75 SW and ® Pro+ 75 GR 35 mm²...
  • Page 10 ® forwarding systems using system-tested OBO connection elements (see also “5.2 Mounting the connection elements isCon connect, isCon con 2 and isCon con PRE” on page 30). isCon BA 45 isCon Pro 75...
  • Page 11 Product description is C on Fig 3: isCon® conductor in the air-termination rod with internal connection element (type isCon IN connect, isCon IN con PRE, isCon IN con 2) and isCon connection element (type isCon connect, isCon con PRE, ®...

  • Page 12: Insulated Air-Termination Rods

    Product description Insulated air-termination rods The insulated air-termination rods of the isCon system come in three ® parts and consist of the air-termination rod (length 1,000 mm), the insulat- ed central rod (length 1,500 mm) and the retaining rod. Fig 4: Air-termination rod components...
  • Page 13 5408 858 8,000 Alu/GRP isFang IN L10 5408 860 10,000 Alu/GRP Tab 3: Technical data of the isCon ® air-termination rods Contact OBO Customer Service about other air-termination rod variants. System instructions OBO isCon lightning protection EN | 13 ®...

  • Page 14: System Accessories For Fastening

    Air-termination rod stands (see section 3.4.1) or supports for wall or pipe mounting (see section 3.4.2) can be used to fasten the isCon air-termin- ® ation rods. In addition, the system offers special holders for the isCon ® conductor (see section 3.4.3). 3 4 1...
  • Page 15 5408 930 1,026 isFang 3B-150-A 5408 932 1,500 1,275 isFang 3B-250-A 5408 902 2,900 1,450 2,055 With bottom exit or for external isCon conductor ® isFang 3B-100 AL 5408 966 1,000 isFang 3B-150 AL 5408 967 1,500 1,275 isFang 3B-100...
  • Page 16 Number of concrete blocks for mounting on flat surface. For height com- pensation in an inclined position, select a longer threaded rod if neces- sary (see Fig. 49 on page 45). Nuts and washers are included in the scope of delivery of the threaded rods. 16 | EN OBO Bettermann...

  • Page 17: Air-Termination Rod Support For Isfang Mounting

    TS50x50 5408 964 40/50 Pipe strip clip for round construction pipes of max. 50 x 70 mm; distance to pipe 30 mm Tab 6: Technical data of the isCon ® supports System instructions OBO isCon lightning protection EN | 17...

  • Page 18: Bracket For The Iscon® Conductors

    1,000 mm, can be shortened; for ® conductor mounting on FangFix concrete block, 10 kg, with edge protection Tab 7: Technical data of the brackets for the isCon conductor ® 18 | EN OBO Bettermann...

  • Page 19: System Accessories For Connection

    Connection element isCon connect 5408 022 See „5.2 Mounting the connection elements isCon isCon con 2 5408 021 connect, isCon con 2 and isCon con PRE“ on isCon con PRE 5408 023 page 30 Connection element, isCon IN connect 5408 024 See „6.1 Air-termination rod with internal isCon...

  • Page 20: Planning An Installation

    62305-3, VDE 0185-305-3). – Calculate the necessary separation distance (see “4.2 Calculating, checking and maintaining the separation distance” on page 23). – Calculate the number of isCon conductors and air-termination sys- ® tems according to the lightning protection class and required con- ductor length (see “4.3 Conductor lengths and lightning protection...

  • Page 21: 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...
  • Page 22 7 Additional potential connections After the first potential connection using the potential connection element, the isCon® conductor can be connected multiple times with the earthed components of the structure, through which the lightning current does not flow. See also “6.6.4 Installing additional potential connections”...

  • Page 23: Calculating, Checking And Maintaining The Separation Distance

    (high-rise building). • Check whether the calculated separation distance (s) is less than or equal to the specified equivalent separation distance of the isCon ® conductor. • If the specified equivalent separation distance is exceeded, then you must install additional conductors: –...
  • Page 24 Installation for lightning protection class II As the isCon Pro, isCon Pro+ and isCon Basic systems have a tested arresting capacity of 150 kA lightning surge current (10/350 μs), a light- ning protection system of lightning protection class II can run the lightning...

  • Page 25: 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 26 Planning an installation 2/22 Zone 1/21 Zone Zone 0/20 Fig 15: Example of the installation of the isCon Pro+ conductor in the Ex zones of a potentially explosive area 26 | EN OBO Bettermann...

  • Page 27: Soft-Covered Roofs

    (type isFang IN), can be ® included discreetly in the building's appearance as an air-termination sys- tem. The grey variant of the isCon conductor guarantees a high degree ® of protection and can be routed safely under the soft roof.

  • Page 28: Installing The Iscon ® System

    5 1 1 Removing the grey external jacket (isCon Pro+ 75 GR) In the case of the isCon Pro+ 75 GR conductor, before attaching ele- ments for potential connection, remove the grey external jacket in the contact area, so that the connection comes into contact with the protec- tive jacket.

  • Page 29: Revealing The Copper Core For Connection

    Sharp blades in the cutting head of the stripping tool isCon stripper 2. CAUTION Do not reach into the cutting head of the stripping tool isCon stripper 2! • Using the stripping tool isCon stripper 2, adjust the stripping length to 25 mm.

  • Page 30: Mounting The Connection Elements Iscon Connect, Iscon Con 2 And Iscon Con Pre

    Fig 20: Cutting the insulation Mounting the connection elements isCon connect, isCon con 2 and isCon con PRE Using the screw-on connection element isCon connect, isCon con 2 and isCon con PRE, you can connect OBO isCon conductors to forwarding ®...
  • Page 31 Installing the isCon® system isCon EPPA 004 Fig 22: Using a cleaning cloth • Using a fork wrench (WAF 19 mm), screw the connection element onto the isCon conductor, until the copper core can be seen completely in ® the two screw holes.
  • Page 32 Installing the isCon® system 110–130 °C Fig 25: Shrinking the heat-shrinkable sleeve Note! The yellow, reactive screw lock of the grub screws in the connection 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. 32 | EN OBO Bettermann...

  • Page 33: Assembling The Air-Termination Rod

    Assembling the air-termination rod Assembling the air-termination rod Air-termination rod with internal isCon conductor ® Fig 26: isFang air-termination rod with internal isCon conductor ® Legend: 1 Air-termination rod 2 Internal connection element 3 Isolated central rod 4 Potential connection with potential connection element...
  • Page 34 Sharp blades in the cutting head of the stripping tool isCon stripper 2. CAUTION Do not reach into the cutting head of the stripping tool isCon stripper 2! • Using a stripping stool, e.g. isCon stripper 2, reveal the copper core along a length of 25 mm.
  • Page 35 Assembling the air-termination rod Fig 29: Removing the grub screws • Using a fork wrench (WAF 19 mm), screw the isCon IN connect, isCon IN con 2 or isCon IN con PRE connection element onto the isCon ® conductor, until the copper core can be seen completely in the two screw holes.
  • Page 36 In the case of the grey external jacket, maintain a maximum cutting depth of 1.5 mm. • Measure 1,500 mm from the bottom edge of the isCon connection ® element. •...
  • Page 37 Assembling the air-termination rod Fig 34: Screwing the air-termination rod to the connection element 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 Fig.
  • Page 38 – “6.3 Fastening the air-termination rod in the air-termination rod stand” on page 43 or “6.4 Fastening the air-termination rod to pipes, a wall or T support” on page 48 – “6.5 Routing the isCon conductor” on page 49 ®...

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

    Assembling the air-termination rod Air-termination rod with external isCon conductor ® Fig 39: isFang air-termination rod with external isCon conductor ® Legend: 1 Air-termination rod 2 Connection plate 3 Top connection element 4 Insulated central rod 5 Potential connection with potential connection clip...
  • Page 40 “5.1.2 Revealing the copper core for connection” on page 29 and “5.2 Mounting the connection elements isCon connect, isCon con 2 and isCon con PRE” on page 30. Only for the grey conductor isCon Pro+ 75 GR: To connect the potential connection element, the grey external jacket in the contact area must be removed.
  • Page 41 ® For one isCon conductor: ® • Mount the connection plate (type isCon AP1-16 VA) at the bottom end of the air-termination rod, as shown in Fig. 41. Tightening torque: 24 Nm • Mount the connection element of the isCon conductor on the connec- ®...
  • Page 42 Assembling the air-termination rod • 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). 555 7.6x380 SWUV Fig 43: Fastening the isCon conductor on the air-termination rod using strip ®...

  • Page 43: Fastening The Air-Termination Rod In The Air-Termination Rod Stand

    Risk of damage! When multiple concrete bases are used, the heavy weight can lead to ATTENTION damage to the substrate. If necessary, place protective mats under the concrete base. System instructions OBO isCon lightning protection EN | 43 ®...
  • Page 44 Fix the air-termination rod stand by screwing in the three locking screws and the spring washers. • Check that all the screws on the hinges fit tightly, and retighten as necessary. Fig 47: Unfolding and fixing the air-termination rod stand 44 | EN OBO Bettermann...
  • Page 45 Compensate for the inclination of the air-termination rod stand using the hexagonal height compensation nuts (max. 5 degrees). • Tighten the lock nuts. max. 5° Fig 49: Compensating for the roof slope System instructions OBO isCon lightning protection EN | 45 ®...

  • Page 46: Fastening The Air-Termination Rod In The Air-Termination Rod Stand

    Assembling the air-termination rod 6 3 3 Fastening the air-termination rod in the air-termination rod stand Air-termination rod with internal isCon conductor ® • Insert the air-termination rod into the air-termination rod stand from above. Fig 50: Inserting the air-termination rod in the air-termination rod stand •...
  • Page 47 In addition, fasten the isCon conductor to the air-termination rod ® stand using strip clips (cable ties), whilst maintaining the minimum bend radius (see Tab. 2 on page 10) of the isCon conductor to the ® ground. System instructions OBO isCon...

  • Page 48: Fastening The Air-Termination Rod To Pipes, A Wall Or T Support

    (see “3.4.2 Air-termination rod support for isFang mounting” on page 17). This applies to air-termination rods with openings at the side or the bottom, as well as to rods with an external isCon conductor. ®...

  • Page 49: Routing The Iscon Conductor

    – The black conductors may not be routed in the earth. They may not be painted. Instead, use the grey isCon Pro+ 75 GR conductor. – Only use the accessories for fastening (see section 3.4.3 on page 18).

  • Page 50: Attaching The Potential Connection

    (see also Fig. 35 and Fig. 38). The potential connection must be brought into contact with the potential connection element via the bottom screw and also with the black, weakly conductive layer or the protective jacket of the isCon ® conductor.
  • Page 51 External isCon conductor ® In the case of isFang air-termination rods with an external isCon conduc- ® tor, the potential connection must be created using the potential connec- tion clip, type 927 2 6-K. The potential connection clip is used both to fix the conductor and to earth it, as well as to earth the air-termination rod and the air-termination rod stand.

  • Page 52: Installing The Potential Connection On The End Of The Iscon Conductor

    (see Fig. 56 No. ). It is important that a specific minimum distance (x) is maintained between the connection element of the isCon ® conductor on the conductor carrying the lightning current...
  • Page 53 2 Calculated separation distance (s) in centimetres A isCon BA 45 SW B isCon Pro+ 75 SW/GR and isCon Pro 75 SW C isCon PR 90 SW Example: If the calculated separation distance is 60 cm, then you can use the variants isCon Pro, Pro+ or Premium.
  • Page 54 Mounting variant 2 for isCon BA 45 SW The conductor type isCon BA 45 SW can also be routed without a po- tential connection. When mounted without a potential connection, the minimum distance (x) must be complied with in both directions, starting from the last insulated spacer.

  • Page 55: Including The Air-Termination Rod Stand In The Functional Equipotential Bonding

    ® parallel to them, then we recommend additional measures to improve the equipotential bonding. 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.

  • Page 56: Creating Additional Equipotential Bonding For Iscon Pro+ In Potentially Explosive Areas

    ® bonding at regular intervals (≤ 0.5 metres). To do this, bring the protective jacket into contact with metallic conductor brackets, e.g. isCon H VA or PAE. Routing on earthed, metallic building structures For routing along an earthed, metallic building structure (e.g. electrically conductive connected metal facades, steel structures or mesh structures): •...
  • Page 57 5052 V2A 30x3.5) in parallel to the isCon conductor, which connect it ® with the functional equipotential bonding of the building. • Fasten the metallic isCon H VA conductor bracket for the isCon con- ® ductor to it. isCon H VA ≤...

  • Page 58: Mounting Variants

    ® stand-off lightning protection ring conductor . For this, we recommend the air-termination rod stand with external isCon conductor. This is short- ® ened to the right height using spacers (type isCon DH), run to the ®...

  • Page 59: Metallic Roof Parapet

    ® Metallic roof parapet If there is a metallic roof parapet which is used as a natural com- ponent of the lightning protection system, the isCon conductor can be ® connected to it using a suitable OBO connection component The potential is connected to the protective equipotential bonding on the air-termination rod via the potential connection clip (type 927 2 6-K).
  • Page 60 Mounting variants Fig 67: isCon conductor connected to metallic parapet ® 60 | EN OBO Bettermann...

  • Page 61: Internal And External Iscon ® Conductor

    The potential connection clip (type 927 2 6-K) must be mounted, in order to create an electrical connection between the black, weakly con- ductive layer or protective jacket of the external isCon conductor and the ® air-termination rod. The potential is connected here. The internal potential...

  • Page 62: Lightning Protection Class I

    (type 927 2 6-K) must be mounted, in order to create an electrical connection between the black, weakly con- ductive layer or protective jacket of the external isCon® conductor and the air-termination rod. The potential is connected here. Alternatively, the...

  • Page 63: Iscon Conductor Included In The Ring Conductor

    (see Fig. 70 No. ), the isCon® conductor can be integrated into the mesh, provided that the calculated separation distance is less than or equal to the equivalent separation distance of the isCon ® conductor used. Fig 70: Including the isCon conductor in a conventional ring conductor ®...
  • Page 64 • Attach all further conductor brackets (type isCon H 26 VA) at a dis- tance of ≤ 1 m. • Maintain the minimum bend radius of 260 mm.

  • Page 65: Checking The Lightning Protection System

    I n the case of lightning protection systems in structures at risk of explo- sion, we recommend carrying out a visual inspection every 6 months. Carrying out a visual inspection • Check that the black, weakly conductive layer of the isCon conductor ® is undamaged. An interruption of this layer will prevent the conductor from functioning. In this case, replace the isCon conductor.

  • Page 66: Testing Report For The Obo Iscon ® System

    Testing report for the OBO isCon® system Testing report for the OBO isCon system ® Tested building: Last name Contact Street/no. Postcode/town Telephone 1. Were all the connection elements installed correctly according to the mounting instructions? 2. Is the entire routed OBO isCon conductor in the protected area of the air-termination system? ®...

  • Page 67: Selection Aid

    Selection aid Selection aid System instructions OBO isCon lightning protection EN | 67 ®...
  • Page 68 OBO Bettermann Holding GmbH & Co. KG P.O. Box 1120 58694 Menden GERMANY Customer Service Germany Tel.: +49 (0)2371 7899-2000 Fax: +49 (0)2371 7899-2500 export@obo.de www.obo-bettermann.com Building Connections...

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