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In this tutorial, I will demonstrate how you can connect an HVI air termination rod to
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an elevated ring conductor.
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If you plan with the HVI system, you have several options to connect the air termination
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rod.
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You can either conduct directly from the air termination rod to the earthing system, connect
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the air termination rod to a second rod, or connect to an elevated ring conductor.
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Let's take a look at the last option and connect the air termination rod to the elevated ring
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conductor.
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Here below we can see that the class of LPS is set to 3.
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We have two different options to place the ring on the roof surface.
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Our first option is to select the command, lay round wire on roof and place the wire.
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The second option is to place a mesh on the roof.
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Therefore, we first delete our ring and then choose the respective command from our toolbar
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to place the mesh.
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And then we delete the connections in the middle of the roof.
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Now we can choose if we want to elevate only one wire or more than one.
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Start with selecting this wire, clicking right and selecting change support.
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Then we select from the drop-down the option to elevate the wire to 675 mm.
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To elevate multiple wires at once, we simply need to keep the control button pressed, select
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the wires and then we repeat the prior steps.
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Now we also elevated the rest of the wires and the connection clamps have been set again.
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As a next step, we place an HVI light air termination rod on the roof by choosing the
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article from our DIN library.
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Once we select the air termination rod, we can choose different options to connect the
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rod by clicking right, selecting add down conductor to ring and HVI light.
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The program chooses the shortest way to connect the rod to the ring.
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Alternatively, we can choose add down conductor to point and define the connection point for
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ourselves.
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To create a down conductor from the ring, we need an earthing system.
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If we do have an existing earthing system, we can choose this command to create a down
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conductor from the wire.
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In our case, we select the down conductor with HVI light, choose the connection point
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and the program does the rest for us.
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It is also possible to combine the different variants on the roof.
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To do that, we simply choose an HVI long air termination rod from the library, place it
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on the roof, select it, click right and connect it with an HVI long conductor to the ring
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as well.
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As a last step, let's take a look on how to do the connection with an individual approach.
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First of all, we open the drop-down menu for the icon lay round wire on roof and choose
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the HVI long variant.
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The program recognizes automatically that we can only connect this wire to the HVI long
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air termination rod.
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It cannot be connected to the HVI light air termination rod.
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We select the air termination rod and then continue by individually placing the wire
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and connecting it to the ring.
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Escape terminates the active command and the appropriate connection is made.
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It's important to mention that the supports for the variable cable sealing ends are only
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done once the separation distance has been calculated.
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For the calculation, the maximum length is assumed.
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Once the calculation has been done, the exact values are known and the suitable support
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can be placed.
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Prior to calculating the separation distance, we will create two down conductors, this time
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with the HVI long variant.
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The separation distance is calculated with the icon in the toolbar.
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We can see that the holders are placed but are not yet adapted in the working view.
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We click right and switch to realistic view and can now see the appropriate graphic representation
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of the holders.
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That's it for this tutorial.
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Thanks for watching.
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