AHAM HRF 1 2008 PDF

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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In addition, standardized testing temperatures have been changed for fresh food and freezer compartments to harmonize with the IEC. The volume of air ducts required for proper cooling and operation of the unit.

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

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. The freezer compartment volume is to be recorded to the nearest 0. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.

For digital measuring instruments, the resolution must be 0. A system in which the defrost cycle is automatically initiated and terminated, with resumption of normal refrigeration at the conclusion of the defrost operation. Any interested party, at any time, may request a change in an AHAM standard. The energy consumption in kilowatt-hours per day shall be calculated equivalent to: Temperature measuring devices shall be located or shielded so that indicated temperatures are not affected by the operation of the condensing unit or adjacent units.

With regard to safety, AHAM recommends that all appliance products—both major and portable-manufactured or marketed in the United States be submitted to an appropriate independent laboratory for inspection and listing in conformance with the safety standards and procedures followed by such laboratories.

Unless otherwise specified, cabinet doors shall be kept closed during all tests. The third part is used by manufacturers that choose not to accept the default value for F of 0. Outer door gaskets shall be checked for adequacy of seal to the cabinet and adjusted, if required.

Testing shall be performed in accordance with one of the following sections using the appropriate standardized reference temperatures: All temperature measuring sensors shall be centered in the mass which shall be suspended in air or supported by low-thermally conductive material in such a manner that there will be at least 1 inch 2.

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Results of tests in accordance with this standard may be publicly stated. The auxiliary components fan motors, anti- sweat heaters, etc. A system in which the defrost cycle is manually initiated and automatically terminated, with automatic resumption of normal refrigeration at the conclusion of the defrost operation.

The space between the back and the test room wall or simulated wall shall be the minimum distance in accordance with the manufacturer’s instructions or as determined by mechanical stops on the back of the cabinet. Proceed to Checkout Continue Shopping. These figures graphically support procedures for determination of volume described in Sections 4. If the model being tested has separate compressor systems for the refrigerator and freezer sections, each with its own automatic defrost system, then the two-part method in Section 5.

If the compartment volume is less than 2 cubic feet, then a single thermocouple shall be located at the geometric center of the compartment.

Defrost water is disposed of automatically or collected in a container for subsequent manual removal. The defrost heater shall not either function or turn off differently during the energy test than it would when in typical room conditions.

Two parts shall be the same as the test for long-time automatic defrost see Section 5. When the volume is determined, internal fittings such as shelves, removable partitions, containers and interior light housings shall be considered as not being in place.

Chiller and drip trays and interior of cabinet shall be dried prior to start of test after evaporator has been manually defrosted. One which essentially fills the interior cross-section of the cabinet. Subscription pricing is determined by: Digital instruments must have a resolution of 0. Knob detents shall be mechanically defeated if necessary to attain a median setting.

Weight shall be determined by use of scales accurate to within 0. Energy saving features that are designed to operate when there are no door openings for long periods of time shall not be functional during the energy test. The first freezer door- opening shall occur at the initiation of the test period. If the model has the quick freeze option, it shall be used to bypass the temperature control.

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A means of accelerating the rate of defrost may or may not be included in the product design. This standard contains test procedures that may be applied to any brand or model of electric refrigerator, refrigerator-freezer or freezer for measuring performance.

Temperatures shall be recorded at three locations as shown in Figure For type 6, in case of evaporator or freezer compartment of refrigerators except all-refrigeratorsthe width, height and depth dimensions shall be measured in the same manner as refrigerated volume computation described in Section 4.

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One which is less than either the width or the depth, or both, of the full shelf. Add to Alert PDF. Hdf complete liner comprises the compartment liner in the cabinet, the exposed breaker strip surfaces and the door liner s. The measured temperature of a compartment shall be the average of all sensor temperature readings taken in that compartment at a particular time.

Space occupied by shelves molded into the inner door panel.

The average per-cycle energy consumption for a cycle type is expressed in kWh per cycle to the nearest one hundredth 0. If the time between defrosts is greater than 96 hours compressor “on” time and this defrost period can be repeated on a second unit, the test may be terminated at 96 hours CT and the absolute time value used for MTBD for each unit. The system automatically prevents the permanent formation of frost on all refrigerated surfaces. Record temperature measurements at the locations prescribed in Figures and You may delete a document from your Alert Profile at any time.

If the document is revised or amended, you will be notified by email. The hard copy print version of this document shall be for individual use only.

The total volume to be deducted shall comprise the following: If the model being tested has a long-time automatic defrost system, the test period may consist of two parts: If incomplete cycling less than two compressor cycles occurs during a hour period, the results of the hour period shall be used.