scope:

This standard applies to refrigerators as defined in Section 3.1, refrigerator freezers as defined in Section 3.2, freezers as defined in Section 3.3 and wine chillers as defined in Section 3.4. This standard covers definitions, methods for computing volumes, methods for determining energy consumption and energy factor, and safety recommendations. This standard only covers compressor driven refrigerators, refrigerator freezers, wine chillers and freezers.

PURPOSE

The purpose of this standard is to establish a uniform and repeatable procedure or standard method for measuring specified product characteristics of refrigerators, refrigerator/freezers, wine chillers, and freezers. The standard methods and the recommended levels of performance, where they appear, are intended to provide a means by which different brands and models of refrigerators, wine chillers and freezers can be compared and evaluated.

The standard methods are not intended to inhibit improvement and innovation in product testing, design or performance.

The following principles of interpretation shall be applied to AHAM HRF-1, and shall apply to and guide any revisions to the test procedure. The intent of the energy test procedure is to simulate typical room conditions (approximately 70 °F) with door openings, by testing at 90 °F without door openings. This measurement standard only applies to units, which operate in an equivalent manner under 90°F ambient conditions as they would under typical room conditions, except for the operating characteristics that are affected by ambient temperature (for example compressor run time) .

Note: The following guidance shall be used for determining if this measurement standard is applicable to the unit under test.

Energy consuming components that operate in typical room conditions (including as a result of door openings, or a function of humidity), and that are not exempted by this standard, shall operate in an equivalent manner during energy testing under this standard, or be accounted for by all calculations as provided for in the standard.

Examples of units for which the measurement standard is not applicable:

1. Units which have energy saving features that are designed to be activated by a lack of door openings which operate differently at 90°F compared to under typical room conditions (approximately 70 °F).

2. Units where the defrost heater either function or turn off differently during the energy test than it would under typical room conditions.

3. Electric heaters that would normally operate at typical room conditions with door openings operate differently during the energy test.

NOTE: Energy used during adaptive defrost shall continue to be tested and adjusted per the calculation provided for in this standard.