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| Air terminal device, lighting troffer
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An air terminal device, usually in the form of a slot or combination of slots, designed for use with a troffer unit. |
| Air terminal device, linear
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Air terminal device (grille) with an aspect ratio of 10. |
| Air terminal device, slot
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A device with one or several slots with an aspect ratio of 10. |
| Air terminal device, supply
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An air terminal device through which air enters a treated space. It usually consists of one or several deflecting members which ensure reduction of the air velocity in the occupied zone as well as efficient mixing of the supply air with the air in the treated space. Moreover supply air terminal devices usually determine the direction of the air jet(s). |
| Air tight
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Structure or container constructed to contain gas pressure. |
| Air trap
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A u-shaped pipe filled with water and located beneath plumbing fixtures to form a seal against the passage of gases and odors. |
| Air vent
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Valve in a water system that automatically vents trapped air from the system. |
| Air volume control
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Maintains the air charge in a standard water storage tank. Pre-charged tanks do not require an air volume control. |
| Air-conditioning and refrigeration institute (ari)
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Air-Conditioning and Refrigeration Institute is a nonprofit, voluntary organization comprised of heating,air conditioning and refrigeration manufacturers. ARI publishes standards for testing and rating heat pumps and air conditioners to provide you with a standardized measure of comparison. So, ARI ensures a level of performance within the industry. |
| Air-cooled condenser
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Heat of compression, plus the heat of absorption, is transferred from refrigerant within coil to surrounding air, either by convection or fan or blower. |
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