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AHRI 921 (SI) : 2015

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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PERFORMANCE RATING OF DX-DEDICATED OUTDOOR AIR SYSTEM UNITS

Superseded date

29-07-2024

Published date

06-11-2015

SECTION
Section 1. Purpose
Section 2. Scope
Section 3. Definitions
Section 4. Classifications
Section 5. Test Requirements
Section 6. Rating Requirements
Section 7. Minimum Data Requirements for Published Ratings
Section 8. Operating Requirements
Section 9. Marking and Nameplate Data
Section 10. Conformance Conditions
APPENDICES
Appendix A. References - Normative
Appendix B. References - Informative

Pertains to factory-assembled commercial or industrial DX-Dedicated Outdoor Air System Units as defined in Section 3.

DevelopmentNote
Together with AHRI 920 (I-P), it supersedes AHRI 920. For I-P listing, see AHRI 920 (I-P). (10/2015)
DocumentType
Standard
PublisherName
Air-Conditioning, Heating and Refrigeration Institute
Status
Superseded
SupersededBy

AHRI 920 (I-P) : 2015 PERFORMANCE RATING OF DX-DEDICATED OUTDOOR AIR SYSTEM UNITS

AHRI 340/360 : 2007 PERFORMANCE RATING OF COMMERCIAL AND INDUSTRIAL UNITARY AIR-CONDITIONING AND HEAT PUMP EQUIPMENT
AHRI 110 : 2002 AIR-CONDITIONING, HEATING AND REFRIGERATING EQUIPMENT NAMEPLATE VOLTAGES
AHRI 210/240 : 2006 PERFORMANCE RATING OF UNITARY AIR-CONDITIONING AND AIR-SOURCE HEAT PUMP EQUIPMENT
ASHRAE 84 : 2013 METHOD OF TESTING AIR-TO-AIR HEAT/ENERGY EXCHANGERS
ASHRAE 198 : 2013 METHOD OF TEST FOR RATING DX-DEDICATED OUTDOOR AIR SYSTEMS FOR MOISTURE REMOVAL CAPACITY AND REMOVAL EFFICIENCY
AHRI 920 (I-P) : 2015 PERFORMANCE RATING OF DX-DEDICATED OUTDOOR AIR SYSTEM UNITS

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