GB/T 8059.1-1995Household refrigerating appliances - Refrigerators (English PDF)

3.1 Household refrigerator (hereinafter referred to as "refrigerator")

An insulated cabinet that has suitable volume and equipment for household use, cooled by one or more energy-consuming means, and having one or more compartments intended for the preservation of food; it includes refrigerator, refrigerator-freezer and freezer.

3.2 Refrigerator

An insulated cabinet that has suitable volume and equipment for household use, cooled by one or more energy-consuming means, and having one or more compartments, in which there is at least 1 refrigerator.

3.3 Storage compartments

3.3.1 Fresh food storage compartment

The compartment that is intended for the storage of unfrozen food which may be itself divided into sub-compartments, and in which the temperatures can be maintained above 0°C.

3.3.2 Cellar compartment

The compartment that is intended for the storage of particular foods or beverages at a temperature warmer than that of the fresh food storage compartment.

3.3.3 Low-temperature compartment

A compartment which may be either.

a. an ice-making compartment, or b. a frozen food storage compartment.

A refrigerator may have one or several low-temperature compartments. Alternatively, it may have no low-temperature compartment.

3.3.4 Ice-making compartment

The compartment that is intended specifically for the freezing and storage of ice-cubes.

Total storage volume stated by the manufacturer.

3.4.6 Shelf

Member with certain mechanical strength, on which food can be placed.

It may be either fixed or movable.

3.4.7 Load limit

Surface enveloping the frozen food storage volume.

3.4.8 Load limit line

Permanent mark(s) indicating the effective volume limit of frozen food storage.

3.5 Definitions relating to some performance characteristics

3.5.1 Energy consumption

Consumption of a refrigerator over a period of 24 h, running under stable operating conditions at an ambient temperature of + 25°C (class SN, class N and class ST refrigerators) or + 32°C (class T refrigerators), measured under the conditions specified in 6.2.3.

3.5.2 Rated energy consumption

Energy consumption stated by the manufacturer.

3.5.3 Storage temperatures

3.5.3.1 Fresh food storage temperature, tm

Arithmetical mean of temperatures t1, t2 and t3 which are the internal average temperatures measured in copper cylinders (see 6.1.4.1) placed at given points in the fresh food storage compartment as specified in 6.1.5, that is, the arithmetical mean (or arithmetical mean of temperature when starting up or shutting down) of the highest temperature and the lowest temperature at these points during a complete control cycle (see 3.5.6).

3.5.3.2 Frozen food storage temperature

The highest temperature of the warmest "M" package of a load placed in storage as specified in 3.5.5 and 6.1.6.1.

3.5.3.3 Cellar compartment temperature, tcm

Arithmetical mean of temperature tc1, tc2 and tc3 (as appropriate, see figure 101, which are the mean internal temperatures measured in copper of brass cylinders (see 6.1.4.1) placed at given points in the cellar compartment as specified in 6.1.5, that is, the 3.5.6 "M" package A test package in accordance with 6.1.2, of dimensions 50 mm × 100 mm × 100 mm, fitted with a temperature sensor at its geometric center.

3.5.7 Control cycle

Period between two successive starts, or two successive stops, of a refrigerating system, or of a part of a system, under stable operating conditions.

3.5.8 Stable operating conditions

In the case of cyclic operation of a refrigerating system, or of a part of a system, including any automatic defrost periods, stable operating conditions are deemed to be reached when, for each of the "M" packages and copper or brass cylinders, the temperatures at all corresponding points during successive operating cycles agree within ±0.5 K and there is no marked trend away from the mean temperature during a period of 24 h.

In the case of continuous operation of a refrigerating system, or of a part of a system, stable operating conditions are deemed to be reached when, although there may be a certain variation in temperature, the increase or decrease in the temperature of all the "M" packages and copper or brass cylinders does not exceed 0.5 K during a period of 18 h.

3.5.9 Percentage running time, R

Under given conditions of ambient temperature and of internal storage temperature, the ratio.

Where.

R - the percentage running time;

d - the duration of the refrigerating system operation during a whole number of cycles;

D - the total duration of the cycles.

3.5.10 Cooling speed

For refrigerator is running continuously under the condition of no load at specified test conditions, and the environment temperature is 32°C, required time of the instantaneous temperature of each compartment can reach those specified in Table 1.

3.5.11 Ice-making capacity

Quantity of ice the refrigerator is capable of producing within 24 h, or the time 100dR = x necessary for the freezing of the water in the ice trays supplied with the appliance.

3.5.12 Ambient temperature

Temperature in the space surrounding the appliance under test. It is the arithmetical average of the mean value of temperatures ta1, and ta2, measured at two points located 350mm from the vertical centerline of the side walls of the appliance at 1m above the floor line.

3.6 Refrigerant

Fluid used for heat transfer in a refrigerating system, which absorbs heat at a low temperature and a low pressure of the fluid and rejects heat at a higher temperature and a higher pressure of the fluid, usually involving changes of state of the fluid.

3.7 Definitions relating to compression-type refrigerators

3.7.1 Compression-type appliance

Refrigerator in which refrigeration is effected by the vaporization at low pressure in a heat exchanger of a liquid refrigerant, the vapor thus formed being restored to the liquid state by mechanical compression to a higher pressure and subsequent cooling in an-other heat exchanger.

3.7.2 Hermetically sealed motor-driven refrigerating compressor

Motor-compressor in which the compressor and the electric motor (or its moving parts at least) are enclosed in a shell rendered gastight by welding, brazing or o...