Energy and Internal Volume of Refrigerating Appliances AHAM HRF pi AHAM HRF PREFACE The Association of Home. BY ORDER OF THE EXECUTIVE DIRECTOROffice of the Federal RegisterWashington, Authority of the Code of Federal Regulations. Energy and Internal Volume of Refrigerating Appliances – AHAM HRF This standard establishes a uniform, repeatable procedure and standard methods.

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The air gap around the freezer compartment load shall be? The volume of control housings. The average per-cycle energy consumption for a cycle type Section 3. Digital instruments must have a resolution of 0. The depth dimension shall be measured from the back of the liner to a plane defining the gasket sealing surface. The sum of i the fresh food compartment volume in cubic feet and ii the product of an adjustment factor and the freezer compartment volume hrc cubic feet see Section 6.

After steady-state conditions with no door openings are achieved in accordance with section 5. It is characterized by a refrigerated surface s that partially encloses the low temperature compartment and cools the fresh food compartment by natural convection.

It may include a compartment of 0. One that can have its vertical position changed without the hr of tools. Take measurements at regular intervals not to exceed 4 minutes. Already Subscribed to this document.


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For long-time automatic defrost xham, compartment temperatures shall be those measured in the first part of the test period specified in Section 5. This adjustment shall be determined as specified below. In addition, standardized testing temperatures have been changed for fresh food and freezer compartments to harmonize with the IEC. They shall relate to actual use conditions and be technically and scientifically sound. Prior to the initiation of the door-opening sequence, the refrigerator defrost control mechanism may be re-initiated in order to minimize the test duration.

As the voice of the U. Nominal refrigerated food temperatures are maintained during operation of the automatic defrost system s. For through the door ice and water dispensers, the ice chute will be included in the volume up to the dispensing function. Also available online from CSA from www. The energy consumption in kilowatt-hours per day shall be calculated equivalent to: If the model being tested has a variable defrost control Section 3. For refrigerators and refrigerator-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 household refrigerators, household wine chillers and household freezers can be compared and evaluated with respect to characteristics of significance in the design and use of the products.

Outer door gaskets shall be checked for adequacy of seal to the cabinet and adjusted, if required. The third part is the optional test to determine the time between defrosts see Section 5.


AHAM HRF-1: Household Refrigerators, Combination Refrigerator-Freezers, and Household Freezers

This hgf is also available to be included in Standards Subscriptions. The set of complete cycles shall include the last complete compressor motor cycle during the test period.

For types 5 and 6; the depth dimension shall be measured from the back of the liner to a plane defining the gasket sealing surface. Weight shall be determined by use of scales accurate to within 0.

For cycling units, the test period shall be two or more complete compressor cycles comprising at least 3 hours a compressor cycle is a complete “on” and a complete “off” period of the motor. The cabinet with its refrigerating mechanism shall be assembled and set up as nearly as practical in accordance with the printed instructions supplied with the cabinet. An enclosed compartment or container provided primarily to retard the dehydration of fruits and vegetables.

A system in which the defrost cycle 11 automatically initiated and terminated, with resumption of normal refrigeration at the conclusion of the defrost operation.