AHRI 921 (SI) : 2015
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
PERFORMANCE RATING OF DX-DEDICATED OUTDOOR AIR SYSTEM UNITS
29-07-2024
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Superseded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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.