air terminal unit


Also found in: Acronyms.

air terminal unit

In air-conditioning, same as terminal unit.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
The air terminal units were controlled to conduct three tests of conditions that were of interest with respect to interzonal mixing in typically operating buildings.
This article presents four areas that are typically included in an air terminal unit specification.
Use of electronically commutated motors (ECMs) in air terminal unit. ASHRAE Transactions 113(1): 334-41.
ERL is a calculated value based on the discharge dimension of the air terminal unit. Table D13 from AHRI Standard 885-2008, Procedure for Estimating Occupied Space Sound Levels in the Application of Air Terminals and Air Outlets, (http://tinyurl.com/AHRI885), lists the addition to be added back to obtain the discharge power level for a given unit.
If the specifications require that the air terminal unit insulation exceeds the UL 181 minimum requirement of 2,500 fpm (762 m/min.), the required velocity should be stated in the specification.
In addition to increased efficiency, there are other reasons to choose an ECM motor in an air terminal unit over a standard PSC motor.
The ASHRAE Design Guidefor Air Terminal Units will be published by January 2018.
ANSI/ASHRAE Standard 130-1996 (RA 2006), Methods of testing for rating ducted air terminal units. Atlanta: ASHRAE.
This standard is referenced in both ASHRAE Standard 70-2006, Method of Testing the Performance of Air Outlets and Air Inlets, and ASHRAE Standard 130-2008, Methods of Testing Air Terminal Units. After terminal units have been tested, their performance is rated in accordance with AHRI Standard 880-2011, Performance Rating of Air Terminals.
Consequently, the heating device would not be reheat, but rather supplemental heat as pointed out in the 2011 ASHRAE Handbook--HVAC Applications, Page 57.12, and in ASHRAE Standard 130-2008, Methods of Testing Air Terminal Units, under Definitions.
Methods of Testing for Rating Ducted Air Terminal Units. Atlanta: American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.