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ANSI/ASHRAE Standard 198-2013

Method of Test for Rating DX-Dedicated Outdoor Air Systems for Moisture Removal Capacity and Moisture Removal Efficiency

This method of test applies to air-cooled, water-cooled, or water-source factory-assembled DX-DOAS products that condition 100% outdoor air and may include factory assembled preconditioning device(s). Units containing water coils requiring a supply of water supplied by a liquid chiller located outside of the unit are not covered by this standard. This standard is not to be used to rate stand-alone preconditioning or energy-recovery devices. These test methods do not specify methods of establishing ratings that involve factors such as manufacturing tolerances and quality control procedures.

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American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]


As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.