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Question:

Do I need to install lightning rod for solar water heater?

Do I need to install lightning rod for solar water heater?

Answer:

If the building does not have lightning protection facilities, it is better not to install solar water heaters. If you must install, should be independent of lightning rod in about 1 meters away from the roof of the solar water heater is installed at the horizontal direction 2 root height is 2 meters high lightning rods or 1 root height is 3 meters, and the lightning rod needle body should be directly into the ground. Lightning protection facilities in the installation of buildings using solar water heaters should also pay attention to lightning protection.In order to reduce the hidden danger of lightning strike, the installation position of the solar water heater should be appropriately lowered or the height of the lightning rod raised. Under normal circumstances, the solar water heater should be at least 60 cm below the lightning rod, and maintain a safe distance of about 1 meters, the metal frame of the water heater should be grounded. If the water heater is already within the protection of the lightning protection facilities, it is not appropriate to connect the metal shell of the water heater to other metal bodies on the roof. In addition, the metal pipes entering the room shall be grounded and equipotential connected in accordance with the requirements. In order to ensure the safety of the lightning occurs, even if the solar water heater has lightning device, it is best not to use, and should be out the power plug, try to avoid contact with water pipes, faucets, just in case.
It is forbidden to fix the lightning rod and lightning belt directly on the bracket of the solar water heater. Otherwise, lightning can not be turned into a lead mine line, the consequences will be unimaginable.
The highest point of the lightning rod (point) must be able to make the solar water heater is in the range of safety protection angle of 60 degrees; if lightning and lightning protection zone (lead) by installing the conditions that must be fixed on the bracket of the solar water heater, it is necessary to use ceramic insulator or bakelite special the indirect isolation, and this also must be able to prevent the insulator current.
The installation position of lightning rod and lightning conductor (lead wire) should be avoided as far as possible from solar energy water heater and its support;

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