Double-chamber refrigerators Atlant are deservedly popular due to their reliability and simplicity of design, however, many owners encounter difficulties during initial setup or trying to change the temperature after defrosting. Incorrect adjustment may result in spoilage of food in the refrigerator compartment or insufficient freezing in the freezer compartment. Understanding the principles of operation thermostat and knowledge of the specifics of a particular model is the key to proper operation of the equipment.
Unlike modern digital systems, classic models Atlant are often equipped with mechanical regulators that do not display the exact temperature in degrees Celsius, but only indicate a conventional scale of cooling power. This creates confusion: the user does not know whether the position of the handle corresponds to the actual food storage requirements. It is important to understand exactly how the mechanical rotation of the regulator affects the compressor operating cycle.
In this article we will analyze in detail the setting algorithms for various series of refrigerators, explain the difference between operating modes and tell you how to avoid common mistakes that can lead to freezing of an ice coat or defrosting supplies.
The principle of operation of a mechanical thermostat
The main element of temperature control in most models Atlant is thermostat (thermostat), which is located inside the refrigerator compartment. This device responds to changes in evaporator temperature and opens or closes the electrical circuit of the compressor. When you turn the knob, you change the tension of the spring inside the thermostat, which causes it to operate at lower or higher temperatures.
The scale on the regulator usually ranges from 1 to 7 (or from Min to Max). It is important to understand: the number does not mean the number of degrees. One corresponds to the minimum cooling power (the compressor turns on less often and works less), and seven corresponds to the maximum (the compressor works almost non-stop). The optimal position for year-round operation is the average value - 3 or 4.
Incorrect settings can lead to two extremes. When set to minimum, food in the refrigerator compartment may begin to spoil due to insufficient cold, especially if the refrigerator is fully loaded. When set to maximum, the evaporator of the refrigeration chamber may become covered with a thick layer of ice, and in the freezer the temperature will drop below the required -18°C, which leads to excessive energy consumption.
- 🌡️ Position “1” or “Min” - the compressor works with long breaks, the temperature inside the chambers is higher.
- ❄️ Position “3-4” is a standard mode that provides a balance between cooling and energy consumption.
- 🧊 Position “7” or “Max” is an intensive freezing mode, the compressor operates almost continuously.
⚠️ Attention: An abrupt change in the position of the regulator from minimum to maximum (or vice versa) does not give immediate results. The compressor and refrigerant need time (from 30 minutes to 2 hours) to reach a new temperature regime. Do not turn the handle too often.
The location of controls in different models
The design of control panels for refrigerators Atlant varies depending on the year of manufacture and series. In classic two-chamber models, such as series MHM 1700 or 1800, the temperature regulator is located inside the refrigerator compartment. Usually this is a round knob with numbers, mounted on the end of one of the side walls or on the “ceiling” of the camera, next to the lighting lamp.
In more modern models with a system No Frost or partially automatic defrosting, the controls can be moved outside. The electronic panel is located on the top of the refrigerator door or on the front of the freezer. Here, instead of conventional units, the user sees specific temperature values that can be changed using the “+” and “-” buttons.
If you cannot find the regulator, inspect the top of the refrigerator compartment. In some modifications, the thermostat knob is combined with the light button or is located under a decorative trim. In models with two compressors (independent cooling), there may be two regulators: one for the refrigerator compartment, the other for the freezer compartment, which allows you to configure them independently.
Step-by-step instructions for setting the temperature
The adjustment process requires consistency so as not to mess up the settings and spoil the products. Before starting manipulations, make sure that the refrigerator is connected to the network and is operating normally. If you have just defrosted the unit or loaded it with a lot of warm food, let it run for several hours in standard mode before fine-tuning.
For mechanical models, the algorithm is simple: turn the control knob to position “3” or “4”. This is the basic setting. If after a day the food in the refrigerator compartment (especially on the bottom shelf) does not seem cold enough to you, turn the knob towards higher settings (5 or 6). If the food freezes or condensation and ice form on the walls, reduce the value to 2 or 3.
☑️ Setting algorithm
In models with electronic control, the process is even simpler. Press the camera selection button (usually indicated as Fridge or Freezer), then use the value buttons to set the desired parameter. For the refrigerator compartment, the standard is +3...+5°C, for the freezer - -18...-20°C. After setting the values, wait a few seconds until the display stops flashing, confirming that the settings have been saved.
Super Freeze mode: when and how to turn on
The function super freezing (Super Freeze) is designed for quick freezing of large quantities of fresh food. When this mode is activated, the compressor goes into continuous operation, ignoring the thermostat readings. In mechanical models, a separate button (often yellow) or the extreme position of the regulator is provided for this, which must be held or fixed.
It is strictly forbidden to use this mode all the time. Long-term operation of the compressor without stopping leads to overheating, increased wear of parts and a significant increase in electricity bills. In addition, the temperature in the refrigerator compartment may drop below zero, which will spoil vegetables and fruits.
You should turn on super freezing several hours before loading a large batch of food (for example, meat or mushrooms). After the food has frozen (usually after 12-24 hours), the mode must be forcibly turned off by returning the regulator to the standard position or pressing the function off button. In some models, this mode turns off automatically after a certain time.
What happens if you forget to turn off super freezing?
If you leave the intensive freezing mode on for a week or more, the compressor may burn out from overheating. In the refrigerator compartment, food will become covered with frost, and the glass may burst from hypothermia. It is also possible that a giant ice block may form on the evaporator, which will have to be defrosted manually for several days.
Table of recommended temperature conditions
In order for products to retain their properties for as long as possible, it is important to observe certain temperature ranges. Below is a table that will help you figure out what values to set for different types of storage in a two-chamber refrigerator Atlant.
| Type of compartment | Recommended temperature | Knob position (conditionally) | Shelf life (approximate) |
|---|---|---|---|
| Refrigerator compartment (main) | +3°C ... +5°C | 3 - 4 | 3-5 days (ready food) |
| Freshness zone (zero) | 0°C ... +2°C | Depends on the model | up to 7 days (meat, fish) |
| Freezer (storage) | -18°C ... -20°C | 4 - 5 (or -18 on the display) | up to 12 months |
| Freezer compartment (freezing) | -24°C ... -26°C | Super mode | 24 hours (for quick freezing) |
Please note that the temperature in different zones refrigerator compartment may differ. It is colder on the shelves near the back wall (air duct) than on the door. Therefore, it is better to place milk and perishable foods in the back, and sauces and drinks on the door.
Common problems and their solutions
Even with correct settings, users may encounter anomalies in the operation of the refrigerator. For example, it is too cold in the refrigerator compartment, food freezes at the back wall, although the regulator is set to minimum. This may indicate sticking thermostat contacts or a freon leak (in this case, the compressor works non-stop, trying to gain temperature, but cannot).
The opposite situation - the refrigerator is “silent” and does not cool, although the knob is turned to the maximum. Here the reason may be a breakdown of the thermostat itself (it does not give a command to turn on), a malfunction of the start relay, or problems with the compressor. If you do not hear a characteristic click when you turn the knob, this is the first sign of a malfunction of the mechanical regulator.
A frequent problem is the formation of a “snow coat” or ice on the back wall of the refrigerator compartment. If this happens regularly, check the tightness of the door and the condition of the seal. Also, the reason may be setting the temperature too low (mode 6-7) in conditions of high humidity in the room.
⚠️ Attention: Technical characteristics and location of elements may vary slightly depending on the specific modification and year of production. Always check the official instructions (data sheet) of your model Atlantas the manufacturer reserves the right to make changes to the design without prior notice.
Frequently asked questions (FAQ)
Why does the temperature not change immediately after changing the position of the knob?
The inertia of the cooling system is high. The refrigerant needs time to circulate and change the temperature of the evaporator, and the air in the chamber needs time to cool or warm up. The stabilization process can take from 2 to 6 hours. You should not turn the regulator every 15 minutes while waiting for the result.
Which position of the regulator should you choose in the summer and which in the winter?
In classic single-circuit models Atlant in the summer, when the room is hot, it is more difficult for the compressor to release heat. It is recommended not to set the regulator to maximum (6-7), so as not to overload the motor, optimally - 3-4. In winter, if the refrigerator is in a cool room, it may turn on less often, which is normal. However, if the temperature in the room is below +10°C, the refrigerator may stop freezing altogether due to the way the thermostat operates.
What to do if the control knob scrolls endlessly?
If the knob spins without clicks and without changing resistance, most likely the thermostat itself is broken or has jumped off stock In this case, the mechanical connection is lost, and the refrigerator will either work constantly or not turn on at all. The thermostat needs to be replaced by a technician.
Is it possible to set the exact temperature of +2°C in a mechanical refrigerator?
The mechanical regulator does not allow you to set the exact value in 0.1 degree steps. It works on an on/off basis when threshold values are reached. The exact temperature can only be obtained experimentally, using an external thermometer and selecting the position of the handle by trial, or by installing an additional electronic controller (which requires electrical intervention).