AHRI 1251 (SI) : 2014
Current
The latest, up-to-date edition.
PERFORMANCE RATING OF WALK-IN COOLERS AND FREEZERS
Hardcopy , PDF
English
01-12-2015
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Section 1 - Purpose
Section 2 - Scope
Section 3 - Definitions
Section 4 - Test Requirements
Section 5 - Rating Requirements
Section 6 - Calculation for Walk-in Box Load
Section 7 - Calculation for Annual Walk-in Energy Factor
Section 8 - Symbols and Subscripts
Section 9 - Minimum Data Requirements for Published Ratings
Section 10 - Marking and Nameplate Data
Section 11 - Conformance Conditions
APPENDICES
Appendix A - References - Normative
Appendix B - References - Informative
Appendix C - Methods of Testing Walk-in Cooler and Freezer
Systems - Normative
Appendix D - Weather Data in Region IV - Normative
Pertains to mechanical refrigeration equipment consisting of an integrated single package refrigeration unit, or separate Unit Cooler and condensing unit sections, where the condensing section can be located either outdoor or indoor.
| DevelopmentNote |
For I-P listing, see AHRI 1250 (I-P). (11/2009)
|
| DocumentType |
Standard
|
| Pages |
67
|
| PublisherName |
Air-Conditioning, Heating and Refrigeration Institute
|
| Status |
Current
|
| ASHRAE 41.1 : 2013 | STANDARD METHOD FOR TEMPERATURE MEASUREMENT |
| AHRI 110 : 2002 | AIR-CONDITIONING, HEATING AND REFRIGERATING EQUIPMENT NAMEPLATE VOLTAGES |
| ASHRAE 37 : 2009 | METHODS OF TESTING FOR RATING ELECTRICALLY DRIVEN UNITARY AIR-CONDITIONING AND HEAT PUMP EQUIPMENT |
| AHRI 520 : 2004 | PERFORMANCE RATING OF POSITIVE DISPLACEMENT CONDENSING UNITS |
| ASHRAE 23.1 : 2010 | METHODS OF TESTING FOR RATING THE PERFORMANCE OF POSITIVE DISPLACEMENT REFRIGERANT COMPRESSORS AND CONDENSING UNITS THAT OPERATE AT SUBCRITICAL TEMPERATURES OF THE REFRIGERANT |
| ASHRAE 41.10 : 2013 | METHODS FOR REFRIGERANT MASS FLOW MEASUREMENT USING FLOWMETERS |
| ASHRAE 116 : 2010 | METHODS OF TESTING FOR RATING SEASONAL EFFICIENCY OF UNITARY AIR CONDITIONERS AND HEAT PUMPS |
| AHRI 210/240 : 2006 | PERFORMANCE RATING OF UNITARY AIR-CONDITIONING AND AIR-SOURCE HEAT PUMP EQUIPMENT |
| ASHRAE 41.4 : 2015 | STANDARD METHOD FOR MEASURING THE PROPORTION OF LUBRICANT IN LIQUID REFRIGERANT |
| ASHRAE 41.3 : 2014 | METHODS FOR PRESSURE MEASUREMENT |
| ASHRAE 41.2 : 1987 | STANDARD METHODS FOR LABORATORY AIR FLOW MEASUREMENT |
| AHRI 420 : 2000 | PERFORMANCE RATING OF FORCED-CIRCULATION FREE-DELIVERY UNIT COOLERS FOR REFRIGERATION |
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.