Direct expansion-dedicated outdoor air system,
Direct expansion-dedicated outdoor air system, or DX-DOAS, means a unitary dedicated outdoor air system that is capable of dehumidifying air to a 55 F dew pointwhen operating under Standard Rating Condition A as specified in Table 4 or Table 5 of AHRI 920-2020 (incorporated by reference, see 431.95) with a barometric pressure of 29.92 in Hgfor any part of the range of airflow rates advertised in manufacturer materials, and has a moisture removal capacity of less than 324 lb/h.
Source
10 CFR § 431.92
Scoping language
The following definitions apply for purposes of this subpart, and of subparts J through M of this part. Any words or terms not defined in this section or elsewhere in this part shall be defined as provided in 42 U.S.C. 6311. For definitions that reference the application for which the equipment is marketed, DOE will consider any publicly available document published by the manufacturer (e.g., product literature, catalogs, and packaging labels) to determine marketing intent. For definitions in this section that pertain to computer room air conditioners, italicized terms within a definition indicate terms that are separately defined in this section.