RG-ES206GS-P Series Switches Hardware Installation and Reference Guide Appendix E — Machine Room Site Selection
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Appendix E — Machine Room Site Selection
The machine room should be at least 5 km (3.11 miles) away from heavy pollution sources, such as the
smelter works, coal mine, and thermal power plant. The machine room should be at least 3.7 km (2.30 miles)
away from medium pollution sources, such as the chemical factory, rubber factory, and electroplating factory.
The machine room should be at least 2 km (1.24 miles) away from light pollution sources, such as the food
factory 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 (2.30 miles) 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 should be on the second floor. Otherwise, the machine room floor should be 600 mm
(23.62 in.) 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.
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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