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ASHRAE Standard 72 2022

ASHRAE Standard 72 2022

$40.63

ASHRAE Standard 72-2022 — Method of Testing Open and Closed Commercial Refrigerators and Freezers (ANSI Approved)

Published By Publication Date Number of Pages
ASHRAE 2022
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ASHRAE Standard 72 prescribes a uniform method of testing open and closed refrigerators and freezers for rating so that comparative evaluations can be made of energy consumption, product temperature performance, refrigeration load, the suction pressures required, and other performance factors. This 2022 revision has been reorganized to make the standard easier to read and use. It includes updates in the loading of test simulators and filler material, the sequence of operations during the test; and the instructions for some measurements. It also adds provisions for roll-in racks.

PDF Catalog

PDF Pages PDF Title
1 ANSI/ASHRAE Standard 72-2022
3 Contents
4 Foreword
1. Purpose
2. Scope
3. Definitions
5 4. Instruments
6 5. Preparation Of Unit Under Test (Uut)
8 Figure 1 Example cross section of a commercial refrigerated display merchandiser with net usable volume boundaries from both shelves and a load limit boundary. The hatched area is the net usable volume.
Figure 2 Dimensions of test simulator.
9 Figure 3 Location of thermocouple in test simulator.
10 Figure 4 Example test simulator locations and filler material in refrigerator with shelves.
Figure 5 Example test simulator locations (black rectangles) and filler material in a refrigerator without shelves (wide island refrigerator shown).
11 6. Test Conditions
12 Figure 6 Location of ambient temperature indicators.
13 Figure 7 Light-intensity measurement location for reach-in.
Figure 8 Light-intensity and air-speed measurement locations for chest freezer or single deck.
14 Figure 9 Light-intensity measurement location for multideck cases.
Figure 10 Light-intensity measurement location for meat, deli, or fish cases.
15 Figure 11 Illustration of pressure and temperature locations.
7. Test Procedure
16 Figure 12 Sequence of events during test.
17 Table 1 Time the Lighting Occupancy Sensors, Scheduled Lighting Controls, or Both the Occupancy Sensors and Scheduled Lighting Controls are Permitted to Dim or Turn Off the Lights
18 8. Calculations For Remote Refrigerators Only
19 9. Data Reporting
21 10. References
22 Normative Appendix A: Measurement Locations, Tolerances, Accuracies, and Other Characteristics
Table A-1 Measurement Locations, Tolerances, Accuracies, and Other Characteristics

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ASHRAE Standard 72 2022
$40.63