ERICO reserves the right to alter any information and specifications contained herein at any time without notice. Users should check with nVent ERICO to ensure they have the latest edition of this manual. During thunderstorm conditions, when the lightning down leader is approaching ground level, an upward leader may be created by any surface.
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ERICO System 1000: NFC 17-102 Standard Principles nVent ERICO System 1000 components are intended for use in ESE-type lightning protection systems that comply with the NFC 17-102 standard. “This standard is applicable to Early Streamer Emission lightning protection systems provided to protect facilities and open areas against direct lightning impact.
5. Verify the ESE terminal and attach the terminal to the top of the mast. 6. Raise the mast into position and secure. 7. The nVent ERICO System 1000 must be at least two meters higher than any point or object on the structure it is intended to protect.
ESE Air Terminals nVent ERICO ESE air terminals are rated for ∆T 25µs, 40µs, 45µ and 60µs triggering time. The function of the rings at the top of the terminals is to easily distinguish the rated efficiency. No ring corresponds to ∆T 25µs, two rings to ∆T 40µs or 45µs and four rings to ∆T 60µs. Do not install nVent ERICO ESE air terminals without checking the correct trigger rating based on the lightning protection system design.
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Any guying has been properly secured at the mast anchor points. d. The nVent ERICO SI ESE air terminal is NOT used as a slinging point. e. When slinging the mast, ensure that the slings or harnesses cannot foul or bend the mast and / or the nVent ERICO ESE air terminal.
The ESE air terminal can be mounted with a cantilever or guyed mast assembly. nVent ERICO has instruction prints detailing pre-configured mast assemblies that achieve terminal heights between 2m (6.6 feet) and 8m (26.0 feet) above roof level.
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• ISOnV-type fixings and connections are not included and must meet nVent ERICO installations recommendations. The mast configurations identified in the this section are compatible with all nVent ERICO ESE air terminals.
Externally interconnected steel frames (metal structures) may be used as downconductors if they are conductive and their resistance is 0.1 Ω or lower. This can be reach in combination with nVent ERICO Earthbridges that are in accordance with IEC EN 62561-1.
When driving ground rods, it is advisable to use nVent ERICO ground rod drivers and drive sleeves to prevent mushrooming on the top of the rod. When coupling rods, use compression type ground rod couplers. When bonding the grounding system components, use the recommended methods suggested below: 1.
Figure 13 Lowering Ground Resistance 1. nVent ERICO Ground Enhancement Material (GEM) PN GEM25A, is recommended and supplied when the existing soil mass has a high resistivity. 2. GEM enhances the overall grounding system by creating a larger and more conductive volume adjacent to the ground rod, providing multiple paths of dissipation, which increases the uniform distribution of energy.
1. It is recommended to perform a risk analysis study of the area and the facility within IEC EN 62305-2, or to a local relevant standard and mainly following local regulations. 2. The nVent recommendation is to design to the highest protection level of 99%. You can follow IEC EN 62305-2 and/or local regulations.
BIL. Obtain the information on BIL from the utility company, prior to designing the system. nVent ERICO System 1000 can be mounted directly on the structure, or on a freestanding mast that would be supplied by the customer.
3. Maintenance should be undertaken as defined in NFC 17-102 Table 7 below and after a lightning event. Initial and regular reports of maintenance must be saved. Any faults found in the nVent ERICO System 1000 during an inspection should be corrected as soon as possible in order to maintain its optimal effectiveness.
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