AHRI 421 (SI) : 2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by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 FORCED-CIRCULATION FREE-DELIVERY UNIT COOLERS FOR REFRIGERATION
27-02-2017
19-07-2024
Section 1 - Purpose
Section 2 - Scope
Section 3 - Definitions
Section 4 - Test Requirements
Section 5 - Rating Requirements
Section 6 - Minimum Data Requirements for Published Ratings
Section 7 - Marking and Nameplate Data
Section 8 - Conformance Conditions
APPENDICES
Appendix A - References - Normative
Appendix B - References - Informative
Appendix C - Methods of Testing Forced-circulation Free-delivery
Unit Coolers for Refrigeration - Normative
Pertains to establish for Forced-circulation Free-delivery Unit Coolers for Refrigeration: definitions; test requirements; rating requirements; minimum data requirements for Published Ratings; marking and nameplate data; and conformance conditions.
| DevelopmentNote |
Together with AHRI 420 (I-P), It supersedes AHRI 420. For (I-P)listing, see AHRI 420 (I-P). (02/2017)
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| DocumentType |
Standard
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| PublisherName |
Air-Conditioning, Heating and Refrigeration Institute
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
| IEC 60038:2009 | IEC standard voltages |
| ASHRAE 41.1 : 2013 | STANDARD METHOD FOR TEMPERATURE MEASUREMENT |
| AHRI 110 : 2002 | AIR-CONDITIONING, HEATING AND REFRIGERATING EQUIPMENT NAMEPLATE VOLTAGES |
| ASHRAE 41.9 : 2011 | STANDARD METHODS FOR VOLATILE-REFRIGERANT MASS FLOW MEASUREMENTS USING CALORIMETERS |
| ASHRAE 41.10 : 2013 | METHODS FOR REFRIGERANT MASS FLOW MEASUREMENT USING FLOWMETERS |
| ASHRAE 41.4 : 2015 | STANDARD METHOD FOR MEASURING THE PROPORTION OF LUBRICANT IN LIQUID REFRIGERANT |
| ASHRAE 41.3 : 2014 | METHODS FOR PRESSURE MEASUREMENT |
| ASHRAE 34 : 2013 | DESIGNATION AND SAFETY CLASSIFICATION OF REFRIGERANTS |