A type of air circulation in a container. In top air units, air is drawn from the bottom of the container, ltered through the evaporator for cooling and then forced through the ducted passages along the top of the container. This type of air ow requires a special loading pattern.
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AIR COOLER
A factory-encased assembly of elements whereby the temperature of air passing through the device is reduced.
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AIR INFILTRATION
The leakage of air into a room through cracks in doors, windows, and other openings.
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CLEAN ROOM
A facility or enclosure in which air content and other conditions (such as temperature, humidity, and pressure) are controlled and maintained at a specific level by special facilities and operating processes and by trained personnel.
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OUTDOOR AIR
Air taken from outdoors and, therefore, not previously circulated through the system.
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SPREAD
The divergence of the air stream in a horizontal or vertical plane after it leaves the outlet.
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AIR
A substance containing by volume approximately 78 - 79% nitrogen; 20.95% oxygen, 0.94% argon, traces of carbon dioxide, helium, etc.
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ACTIVATED CARBON
Is a specially processed carbon, used as a filter drier. Commonly used to clean air.
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AIR REHEATING
In an air conditioning system, the final step in treatment, in the event the temperature is too low.
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ABSOLUTE HUMIDITY
Amount of moisture in the air, indicated in kg/kg of dry air.
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AERATION
The state of air being suspended in a liquid such as a lubricant or hydraulic fluid.
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