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Comparison Samsung RB33J3230BC black vs Samsung RB31FERNDWW white

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Samsung RB33J3230BC black
Samsung RB31FERNDWW white
Samsung RB33J3230BC blackSamsung RB31FERNDWW white
from $414.00 up to $559.32
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from $382.00 up to $623.00
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Main
Inverter compressor. Temperature in the freezer up to -24 °C. Cold retention time 20 hours. Multi-flow cooling system. No Frost system for both cameras. Freezing capacity — 12 kg / day.
Total capacity328 L310 L
Number of chambers22
Number of cooling circuits21
Number of compressors11
Inverter compressor
No Frostfreezer / refrigerator compartmentsfreezer / refrigerator compartments
Features
Features
holiday mode
door alarm
reversible door
holiday mode
door alarm
reversible door
More features
hidden door handles
hidden door handles
Refrigeration chamber
Refrigerator capacity230 L212 L
Dynamic air cooling
Auto-defrost
LED lighting
Freezer chamber
Freezer compartmentbottombottom
Freezer capacity98 L98 L
Freezer temperature-24 °C-24 °C
Autonomy time20 h20 h
Freeze capacity12 kg/day13 kg/day
Fast freeze
More specs
Controlsexternal touch controlsexternal touch controls
Energy classA+A+
Energy consumption per year280 kWh280 kWh
Climate classSN, N, ST
Noise level39 dB39 dB
Dimensions (HxWxD)185x60x67 cm185x60x67 cm
Weight68 kg70 kg
Color
Added to E-Catalogdecember 2015february 2013

Total capacity

The total capacity of the refrigerator is the total capacity of all the main working chambers: refrigerating, freezing, zero, and wine chambers. The set of these chambers, of course, will be different in different models (see more about them above). Here we note that large volumes, on the one hand, simplify the storage of numerous products and, on the other hand, affect the dimensions and price of the unit. It is also worth considering that refrigerators of the same total capacity may differ in the capacity of individual chambers.

Number of cooling circuits

The refrigeration circuit can be described as a heat sink system that has a separate connection to the compressor (see “Number of compressors”) and a separate, independent from other similar systems, regulation of the operating mode.

In the most common variety of modern refrigerators — two-chamber models with a freezer — both one common circuit for both chambers and 2 circuits can be provided. The second option is more expensive, but it gives an important advantage — in such refrigerators, you can completely independently control the operating modes of the refrigeration and freezer compartments. If there is only one circuit, these adjustments turn out to be interconnected: for example, when you turn on the fast freeze mode (see "Features"), the main chamber also starts to work at increased cooling power, which is not always desirable.

As for refrigerators with three or more chambers, usually, the number of circuits in them is less than the number of chambers — otherwise, the design would be unnecessarily complex, cumbersome and expensive.

Refrigerator capacity

The total capacity of the main working chamber of the refrigerator. If there are separate zero chambers, compartments for wine and other additional functions, this paragraph takes into account only the volume of the refrigerating chamber itself, without additional equipment. In the smallest modern units, this figure does not even reach 100 liters, in the largest it can exceed 400 liters.

The choice of capacity depends on the actual storage needs of the products. At the same time, both the volume of stocks and the frequency of their replenishment (every day, once a week, etc.) matter. The chamber should not be stocked completely; this adversely affects the quality of the refrigerator. On the other hand, it is worth remembering that large volumes accordingly affect the dimensions and price of the unit.

In general, for one or two people, a capacity of 200 – 250 liters, or even less, is considered quite sufficient. The optimal capacity for a family of three is about 250 – 300 liters, for four to five people — 300 – 350 liters, and larger volumes are really needed mainly for specific situations when food has to be stored in large quantities and for a long time.

Freeze capacity

Approximate amount of fresh food that a refrigerator can completely freeze from room temperature to freezer operating temperature in 24 hours. Power up to 10 – 15 kg/day will be quite enough for everyday use, but if you plan to freeze food in large volumes and often — you should pay attention to more performant freezers.

Climate class

The climate class to which the refrigerator corresponds.

As the name implies, this parameter describes the environmental conditions for which the unit is designed. The warmer it is around — the more powerful the refrigerator should be and the better thermal insulation it should have. Specific classes are indicated by letters, here are the most popular options:

SN (subnormal). Models for a temperate cool climate, have an operating range from +10 °C to + 32 °C. Such a unit can be useful in a poorly heated room where the temperature can drop below +16 °C — for example, on the veranda of a private house, in a garage, etc.

N (normal). Refrigerators for temperate climates, with an operating temperature range of +16...+32 °C. Such a unit is suitable for most residential apartments and houses in mid-latitudes.

ST (subtropical). Models for subtropical and humid tropical climates. Normally work at the range of external temperatures +18...+38 °C.

T (tropical). Refrigerators for dry tropical climates. Designed for temperature range +18 °С to +43 °С.

There are many models on the market with an extended temperature range covering several classes. For example, a unit labelled N-ST will have a temperature range of +16...+38 °C. Such refrigerators are indispensable in complicated...climates, the conditions of which are not covered by one standard class — for example, during cold winters and hot summers.
Samsung RB33J3230BC often compared
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