The correct temperature conditions inside the refrigerator compartment are the foundation for the safety of your products and the health of the whole family. Many equipment owners Atlant face a situation where food in the main chamber freezes at the back wall, but in the freezer, on the contrary, melts, which indicates a failure in the settings or a malfunction. Proper adjustment allows you to extend the shelf life of meat, dairy products and vegetables, preventing the growth of bacteria.
In two-chamber models, be it a classic system with drip defrosting or a modern one No Frost, climate control can differ significantly. Errors during initial installation often lead to increased energy consumption and accelerated wear of the compressor. In this guide, we will look at all the nuances of setting up mechanical and electronic thermostats so that you can optimize the operation of your unit.
Understanding the principles of the thermostat will help you avoid calling a technician to solve problems that can be fixed in a couple of minutes. It is important to consider that the microclimate inside is affected not only by the position of the regulator knob, but also by the loading density of the chambers, as well as the temperature in the room where the device is located. Let's take a detailed look at the action algorithms for various series of equipment.
The principle of operation of the thermostat and temperature zones
The main element responsible for maintaining cold is thermostat (thermostat). In classic models, this is a mechanical device that opens the electrical circuit of the compressor when the set temperature is reached and closes it when it rises. The numbers on the scale (usually from 1 to 7) do not mean degrees Celsius, they indicate the intensity of cooling: the higher the number, the colder.
In two-chamber refrigerators Atlant there is a natural distribution of heat. The lowest temperatures are always at the back wall and on the shelves closest to the freezer. The door compartments are warmest and are ideal for storing drinks and foods with a long shelf life. Understanding this physics helps to correctly place reserves without requiring extreme work from the compressor.
Electronic control systems work differently: temperature sensors constantly transmit data to the control module, which regulates the operation of the compressor and fans with high accuracy. Here you set specific degrees, and the “brains” of the refrigerator themselves decide when to turn on the cooling. This is a more energy efficient and gentler mode for food.
There is a common misconception that setting the knob to maximum (7 or Max) makes the refrigerator work better. In fact, this leads to freezing products in the main chamber and continuous operation of the motor, which can lead to overheating. The middle position of the regulator is considered optimal.
⚠️ Attention: Never try to forcibly turn the handle of a mechanical thermostat beyond the scale if it is stuck. This can lead to shaft breakage and freon leakage from the bellows tube.
Temperature adjustment in models with mechanical control
Most refrigerators Atlant of the old and mid-price segment are equipped with a mechanical regulator. It is usually a round knob with numbers located inside the refrigerator compartment (top left) or on the cabinet above the door. The setup instructions here are simple, but require following a sequence of actions to achieve a stable result.
First, you need to set the knob to the position corresponding to the middle value of the scale. If you have a model with divisions from 1 to 7, then the ideal starting point would be number 3 or 4. This position provides a balance between freezing quality and economy. After switching the mode, you must wait at least 2-3 hours for the temperature to stabilize.
- 🌡️ Summer mode: In the hot season, when the apartment is above +25°C, it is recommended to shift the regulator towards higher values (5-6) to compensate for heat inflows.
- ❄️ Winter mode: If the refrigerator is in a cool room, it is enough to set knob to 2-3, since the compressor does not need to work at full strength.
- 🥩 Super freezing mode: Short-term activation of the maximum mode (7) is allowed only when loading a large volume of fresh products, but for no more than 3-4 hours.
Therefore, you should not turn the knob every 15 minutes, expecting an instant result. The system is inertial, and it takes time to evaluate the effectiveness of the adjustment. If, after setting to “3”, the food at the back wall is covered with ice, and the doors are warm, try reducing the value to “2.5” or checking the seals.
Adjustment in refrigerators with electronic control and No Frost
Modern two-chamber refrigerators Atlant series No Frost often equipped with an electronic control unit. The interface can be represented by LED indicators or a full display on the door. Here, temperature adjustment occurs with an accuracy of one degree, which eliminates guessing by eye and allows you to create ideal conditions for different types of products.
Usually the control panel has two zones: one for the refrigerator compartment (often indicated by a snowflake symbol or letter F), the other for the freezer (star symbol or M). To change parameters, you must press and hold the corresponding button for 3-5 seconds until the numbers begin to flash. Then, with short presses, the desired value is selected.
Recommended factory settings, which have already been optimized by engineers, are usually:
- 🥛 For the refrigerator compartment:
+3°Cor+4°C. - 🍖 For the freezer compartment:
-18°C. - 🧊 For the "Super Freeze" mode: temporarily
-24°C.
The feature of the system No Frost is the circulation of cold air. There are no zones with different temperatures in the vertical plane, as in drip models, but there are nuances with air flows. Do not block the vents with food, otherwise the temperature sensor will receive incorrect data and the compressor will not operate properly. Electronics are more sensitive to voltage surges, so for such models it is advisable to use a stabilizer.
What does the flashing indicator on the panel mean?
If the temperature indicator is flashing, this is an alarm. Most often, it means that the temperature in the chamber is higher than normal. Check to see if the door is closed tightly, if the refrigerator is overloaded with warm food, or if there is a power outage. If the blinking continues after the mode has stabilized, the sensor may be malfunctioning.
Optimal temperature conditions for different products
There is no universal temperature “for everything,” and this is a key point in organizing storage. Different food groups require different conditions to preserve taste, texture and vitamin composition. Correct setting of the refrigerator Atlant allows you to minimize quality losses.
Meat and fish products require the strictest cold. For raw meat, the optimal temperature is from 0°C to +2°C. At higher values, bacteria begin to multiply more actively, and at negative values, the structure of the fibers may be disrupted by ice crystals, if this is not a deep-freezing mode. It is better to store dairy products and ready meals at +3°C..+5°C.
Vegetables and fruits are a special category. Many of them (cucumbers, tomatoes, greens) do not tolerate temperatures lower +5°C..+7°C. When subjected to extreme cooling, they lose their taste, become watery, or become covered with black spots. That is why modern refrigerators have separate freshness zones or zero chambers, where humidity and temperature are regulated separately.
| Product type | Recommended t°C | Shelf life (approximate) | Placement area |
|---|---|---|---|
| Fresh meat/poultry | 0..+2°C | 1-2 days | Bottom shelf, freshness zone |
| Dairy products | +2..+4°C | 3-5 days | Middle shelves (not in the door!) |
| Vegetables and fruits | +5..+8°C | 3-7 days | Bottom drawer (vegetable drawer) |
| Ready meals | +3..+5°C | 1-2 days | Middle/top shelves |
It is important to note that storing food in open containers or without packaging leads to their rapid drying (especially in No Frost systems) and the spread of odors. Use containers with lids or cling film. It also helps maintain a stable temperature around the food by creating a buffer layer of air.
⚠️ Warning: Never place hot or even warm pans in the refrigerator. This causes a sharp jump in temperature, the compressor wears out, and can lead to damage to neighboring products due to condensation.
Diagnostics of problems with temperature conditions
Even a properly configured refrigerator may begin to work incorrectly over time. Understanding the symptoms will help you quickly identify the problem. If you notice that in the refrigerator compartment ice is freezing on the food or the back wall (in drip models this is permissible in small quantities, but not on the food), and meat is melting in the freezer, this is the first sign of an imbalance.
A frequent cause is a loose door fit. Check the sealing rubber around the perimeter. If it gets dirty, wipe it with soapy water. If the rubber becomes stiff or deformed, the cold will go away, and the thermostat will drive the compressor without stopping, trying to compensate for the losses. Also check if anything is preventing the door from closing tightly (for example, the edge of a shelf or a bag).
Another option is a malfunction of the thermostat or sensor itself. If the knob turns too easily without a noticeable click, or if the refrigerator does not turn off at all while running around the clock, the part will most likely need to be replaced. In models with electronics, this may be indicated by an error code on the display.
☑️ Checklist for checking the temperature mode
Do not forget about defrosting. Although systems No Frost eliminate this procedure, completely drip models require regular (once every 3-6 months) shutdown to remove the ice coat. A layer of ice more than 5 mm thick on the evaporator significantly impairs heat transfer, and the refrigerator stops maintaining the temperature even at maximum settings.
The influence of external factors on the operation of the refrigerator
Many users forget that the refrigerator is part of the interior, and its operation depends on the environment. The location of the unit next to itself (stove, radiator, in direct sunlight) forces it to work in extreme mode. In such conditions, even the correct setting of the thermostat may not give the desired effect.
It is important to ensure free air circulation around the case. The gap between the back of the refrigerator and the wall should be at least 5-7 cm. If the unit is built into a niche or kitchen unit, ventilation in the base and above the cabinet is critical. Overheating of the compressor is one of the common causes of equipment failure.
It is also worth considering seasonality. In winter, if the refrigerator is placed on an unheated loggia or garage, the oil in the compressor may thicken and the refrigerant may not evaporate correctly. Most models have a climate class (normal) or subnormal, which allows operation at ambient temperatures up to +10°C. Below this threshold, operation is prohibited. Atlant have a climate class N (normal) or SN (subnormal), which allows you to work at ambient temperatures up to +10°C. Below this threshold, operation is prohibited.
If you are planning a rearrangement, remember the rule: after transportation, the refrigerator must stand upright at least 2-4 hours (or better yet a day) before turning on. This is necessary to allow oil to drain into the compressor crankcase. Switching on "on the fly" can lead to water hammer and motor breakdown.
Frequently asked questions (FAQ)
Why does ice freeze on the back wall in the Atlant refrigerator?
In drip models this is a normal process: moisture condenses and freezes, and then flows into the drain when turning off the compressor. However, if the ice covers the food or the layer is too thick, check: 1) if the control is set to maximum; 2) whether the drainage hole is clogged; 3) does the door close tightly? Also, the reason may be rare defrosting.
What temperature should be set in the Atlant freezer?
The optimal temperature for long-term storage of frozen foods is -18°C. In this mode, bacteria do not multiply, and the products retain their properties for up to 12 months. Setting (for example, -24°C) makes sense only in the mode of quick freezing of fresh food, but constantly maintaining such a temperature is economically unprofitable and harmful for some types of food.
What to do if the refrigerator does not turn off?
If the compressor hums continuously, first check the tightness of the door and the amount of food (is it loaded to capacity with warm?). If the regulator is set to minimum (1), but the cold is still weak, there may be a freon leak. If it is at maximum (7) and freezes very much, just reduce the power. If the problem cannot be solved, you need to call a technician to check the thermostat or start relay.
Is it possible to change the temperature settings while the refrigerator is running?
Yes, you can and should change the settings during operation. However, after changing the position of the knob or digital values, it is necessary to give the system time (from 2 to 6 hours) to stabilize the new temperature regime. Do not evaluate the result immediately, so as not to make erroneous conclusions and unnecessary adjustments.