A) For the first activity, injection and return grilles are removed to have access to the duct exits and it’s main parts.
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B) Then, the cleaning of the injection and return grilles is done, as well as the duct exits by using a high filtering vacuum HEPA.
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C)To the cleaning of the main parts, the registers at the ducts are opened for the connection of the special vacuum equipment and in it’s case, “zone balloons” are put, which are used to optimize the area to be treated with the equipment.
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D) By using pneumatic and rotatory devices. The adhered particles to the interior of the ducts are removed. And by using the extraction equipment, an effect of pressure/ depressure is created in the interior of the system, which allows us to gather all the dirtiness. With the triple filtering system HEPA, which has an effectiveness of 99.99%, particles are not allowed to leave the area.
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E) Finally it is nebulized with a fungicide that kills all the bacteries that could be left in the system, and the grilles and diffusers that were removed at the beginning are put again.
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