Hardware Installation and Reference Guide Appendix E — Site Selection
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Appendix E — Site Selection
The machine room should be at least 5 km away from the heavy pollution source such as the smelter, coal mine and thermal
power plant, 3.7 km away from the medium pollution source such as the chemical industry, rubber industry and electroplating
industry, and 2 km away from the light pollution source such as the food manufacturer and leather plant. If the pollution source
is unavoidable, the machine room should be located on the windward side of the pollution source perennially with advanced
protection.
The machine room should be at least 3.7 km away from the sea or salt lake. Otherwise, the machine room must be sealed, with
air conditioner installed for temperature control. Saline soil cannot be used for construction. Otherwise, you should select
devices with advanced protection against severe environment.
Do not build the machine room in the proximity of livestock farms. Otherwise, the machine room should be located on the
windward side of the pollution source perennially. The previous livestock house or fertilizer warehouse cannot be used as the
machine room.
The machine room should be firm enough to withstand severe weather conditions such as windstorm and heavy rain as well as
away from dust. If the dust is unavoidable, keep the door and window away from the pollution source.
The machine room should be away from the residential area. Otherwise, the machine room should meet the construction
standard in terms of noise.
Make sure the air vent of the machine room is away from the sewage pipe, septic tank, and sewage treatment tank. Keep the
machine room under positive pressure to prevent corrosive gas from entering the machine room to corrode components and
circuit boards. Keep the machine room away from industrial boiler and heating boiler.
The machine room had better be on the second floor or above. Otherwise, the machine room floor should be 600mm higher
than the highest flood level ever recorded.
Make sure there are no cracks or holes in the wall and floor. If there are cable entries in the wall or window, take proper sealing
measures. Ensure that the wall is flat, wear-resistant, and dust-free, which should be up to the standard for flame retarding,
soundproofing, heat absorption, dust reduction, and electromagnetic shielding.
Keep the door and the window closed to make the machine room sealed.
The steel door is recommended for soundproofing.
Sulfur-containing materials are forbidden.
Pay attention to the location of the air conditioner. Keep the air conditioner from blowing wind straight toward the device or
blowing water drops from the window or air vent toward the device.
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