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ASHRAE STD 198

2013 Edition, January 26, 2013

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



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Description / Abstract:

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.

PURPOSE

This standard prescribes test methods for rating directexchange dedicated outdoor air systems (DX-DOAS) units.
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