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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Aha, recorded temperature shall be the average temperature at that point during a cycle Section 3. The average per-cycle energy consumption for a cycle type is expressed in kWh per cycle to the nearest one hundredth 0.

Freezer compartment Section 3. Proceed to Checkout Continue Shopping. Record temperature measurements at the locations prescribed in Figures and Analog Watt-hour meters shall be graduated in intervals no greater than 0. Before the cabinet is tested, it shall be given a “run-in” period of no less than 12 hours of compressor run time.

Item Detail – AHAM HRF (Energy & Volume Refrigerating Appliances)

The vertical ambient hrd gradient in any foot of vertical distance is not to exceed 0. An external door that is hinged on the right-hand side when viewed facing the cabinet. T1, T2 ahham T3 indicate thermocouple locations. Except when specified for particular tests, the ambient relative humidity need not be controlled. Weighting shall be a cylindrical brass or copper mass 1.

Weight shall be determined by use of scales accurate to within 0. A projection on the door which extends into the refrigerated compartment s and which functions primarily as a barrier to minimize heat flow to the interior of the cabinet. For wine chillers, basic refrigerators and refrigerator-freezers, if the interior arrangements of the cabinet do not conform to those shown in Figure and Figuremeasurements shall be taken at selected locations chosen to represent approximately the entire refrigerated compartment Each compartment shall have the number of thermocouples specified in Figure and Figure Electrical measurements shall be made with the following instruments or their equivalents: AHAM welcomes comments and suggestions regarding this standard.


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These figures graphically support procedures for determination of volume described in Sections 4. If the interior arrangements of the freezer compartment shelves do not conform with those shown in Figuremeasurements shall be taken at locations selected to represent the intent of the standard.

The locations selected shall be recorded. Wet bulb and dry bulb readings or equivalent shall be taken to determine ambient relative humidity when required. In case of interference with hardware at the sensor locations specified in 5.

Please first log in with a verified email before subscribing to alerts. The defrost heater shall not either function or turn off differently during the energy test than it would when in typical room conditions.

An external drawer that is designed to pull or tip out.

It is not intended to provide a means of measuring the food-storage capacity. The third part is the optional test to determine the time between defrosts see Section 5. The recorded temperatures of the freezer compartment shall be the average of the temperatures recorded at the locations shown in Figure All ahzm are the same. The recorded temperature at any given point during a cycle of operation with the temperature being read at regular intervals not exceeding 4 minutes. 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 zham 1 urf 2.


Also, the product shall not recover differently during the defrost recovery period than it would in typical room conditions.

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

If the model has the quick freeze option, it hr be used to bypass the temperature control. If incomplete cycling less than two compressor cycles occurs during ahma hour period, the results of the hour period shall be used.

Temperatures shall be recorded at three locations as shown in Figure A first part shall be the same as the test for a unit hrd non-automatic defrost see Section 5. Also available online from CSA from www. A means of accelerating the rate of defrost may or may not be included in the product design. 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.

It frequently has a partition called the chiller or drip tray which when removed or adjusted exposes an additional area of the refrigerated surface to the fresh food compartment.