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GB/T 8059.1-1995 English PDF (GBT8059.1-1995)

GB/T 8059.1-1995 English PDF (GBT8059.1-1995)

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GB/T 8059.1-1995: Household refrigerating appliances - Refrigerators

This Standard specifies terms, product classification, technical specifications, test methods and inspection rules, as well as marking, packaging, transportation and storage of refrigerators.
GB/T 8059.1-1995
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
UDC 621.59.641.564.4
Y 61
Household Refrigerating Appliances -
Refrigerators
ISSUED ON. AUGUST 29, 1995
IMPLEMENTED ON. AUGUST 1, 1996
Issued by. State Technical Supervision Bureau
Table of Contents
1 Subject Content and Application Scope ... 3
2 Normative References ... 3
3 Terms ... 4
4 Classification ... 11
5 Technical Requirements ... 12
6 Test Method ... 17
7 Inspection Rules ... 42
8 Marking, Packaging, Transportation and Storage ... 46
Appendix B Determination of Storage Volume of Refrigerator (Supplement) ... 53 Appendix C Determination of Percentage Running Time (Reference) ... 58 Appendix D Determination of Cooling Speed Test (Reference) ... 59
Additional Explanations... 73
Household Refrigerating Appliances - Refrigerators
This Standard equivalently adopts International Standard ISO 7371.1995 "Household Refrigerating Appliances - Refrigerators with or without Low-temperature Compartment - Characteristics and Test Methods".
1 Subject Content and Application Scope
This Standard specifies terms, product classification, technical specifications, test methods and inspection rules, as well as marking, packaging, transportation and storage of refrigerators.
This Standard is applicable to the vapor compression household refrigerator with enclosed electric machine below 500L (hereinafter referred to as "refrigerator"). It does not apply to refrigerators for special purpose.
2 Normative References
GB 191 Packaging - Pictorial Marking for Handling of Goods
GB 1019 General Requirements for Packings of Household Electrical
Appliances
GB/T 2423.17 Basic Environmental Testing Procedures for Electric and
Electronic Products - Test Ka. Salt Mist
GB 2828 Sampling Procedures and Tables for Lot-by-lot Inspection by
Attributes (Apply to Inspection of Successive Lots or Batches)
GB 2829 Sampling Procedures and Tables for Periodic Inspection by
Attributes (Applicable to Inspection of Stability for Productive
Process)
GB 3785 Electric, Sonic Properties and Measuring Methods for Sound
Level Meters
GB/T 4214 Household Appliances - Determination of Sound Pressure Level
of Noise
GB 4706.1 Safety of Household and Similar Electrical Appliances - General Requirements
GB 4706.13 Safety of Household and Similar Electrical Appliances -
Particular Requirements for Refrigerators, Food-Freezers and
Ice-Makers
GB 4798.1 Environmental Conditions Existing in the Application of Electric and Electronic Products - Storage
GB 4798.2 Environmental Conditions Existing in the Application of Electric and Electronic Products - Transportation
3 Terms
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.
(1)
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
?€? ???
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...

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