Situations when it is necessary to leave only the freezer working, users regularly encounter problems, especially before long vacations or business trips. Many owners of modern appliances wonder whether it is possible to completely stop the cooling in the upper compartment while maintaining a low temperature for freezing food. The answer to this question depends on the design features of your unit and the type of control system installed.
It is important to immediately note that it is impossible to physically “turn off” the compressor for one compartment in a single-circuit system, since the refrigerant circulates through a single circuit. However, modern dual-circuit systems electronic control units make it possible to isolate the operation of evaporators. This makes it possible to significantly reduce energy consumption and prevent the appearance of unpleasant odors in an empty compartment.
Before you start setting up, you need to accurately determine the type of your device. If you are the owner of an old model with mechanical control, where the temperature is controlled by one knob, then you will not be able to independently turn off one of the compartments. In such cases, the only solution is to completely defrost and disconnect the device from the network or use the maximum temperature mode.
Determining the type of cooling system
The first step to solving the problem is to identify the technical capabilities of your device. Most modern models in the middle and high price segment are equipped two compressors or with one compressor with two independent freon circulation circuits. It is the presence of two circuits that is the key condition for autonomous temperature control.
You can find out the type of system by studying the technical data sheet or the sticker on the back wall of the case. If the specifications say "Dual Cooling", "Twin Cooling" or "Two Circuit", then your model theoretically supports separate control. In models with the system Total No Frost or Air Drum air often circulates between the chambers, which makes complete shutdown of one compartment without affecting the other difficult.
⚠️ Attention: Trying to block the cold air supply channels mechanically (sealing the holes) in No Frost systems will lead to breakdown fan and motor overheating.
If you have a model with one circuit, then when the temperature in the freezer drops, cold will inevitably enter the refrigerator compartment. In such devices, you can only increase the temperature threshold of the thermostat as much as possible, but not completely stop the flow of cold. The electronics of such devices do not allow you to ignore the readings of the sensors in the upper compartment.
Using the "Holiday" mode
The most common and safest way to solve the problem is to activate a special software mode, which in the documentation is often designated as "Holiday", "Eco" or "Vacation". This algorithm was developed by engineers specifically for situations when the owners are absent for a long time and the refrigerator inside is empty.
When this function is activated electronic control unit switches the refrigerator compartment to maintain a temperature of about +15°C. This prevents mold and musty odors without wasting energy on deep cooling. At the same time, the freezer continues to operate in normal mode, keeping food frozen.
To activate the mode, a long press on the button is usually required corresponding button on the control panel. In some models Liebherr, Bosch or Siemens the sequence of actions may differ. For example, you need to simultaneously press the temperature setting buttons for both cameras for 3-5 seconds until a characteristic sound signal appears or the indicator blinks.
It is worth considering that some additional functions, such as super freezing or ice generation, may not work in the "Vacation" mode. Also, the refrigerator door must be tightly closed, as the system may not signal the door to be opened in this energy-saving state.
Manually adjusting the temperature via the control panel
If your model does not have a preset "Vacation" mode, you can try to achieve a similar result by manually adjusting the temperature settings. This method is suitable for refrigerators with electronic control and individual displays for each compartment.
It is necessary to set the maximum possible temperature for the refrigerator compartment. In most models, the upper limit is +8°C or +10°C, but in some advanced series you can set the value up to +14°C. At this temperature, products will not be stored, but the compressor will turn on extremely rarely.
| Brand | Button combination | Indication | Max. temperature |
|---|---|---|---|
| Samsung | Fridge + 3 sec | Flashing "15" | +15°C |
| LG | Mode (all the way) | LED "Eco" | +12°C |
| Bosch | Holiday (separately) | Palm tree symbol | +14°C |
| Indesit | No function | Manual setting | +8°C |
It is important to understand that with manual setting you do not turn off the camera completely, but only minimize its operation. During the hot season or when the freezer is frequently opened, the temperature in the upper compartment can still drop below the set limit due to heat exchange.
Why can’t you just pull out the power cord?
Disconnecting only the refrigeration chamber from the power supply is impossible, since the compressor and the control board are powered from the same network. A complete blackout will also stop the freezer, which will lead to defrosting of supplies.
Features of two-compressor models
Owners of equipment with two independent compressors are the luckiest. In such units, for example, some models Atlant or older series Indesit, the refrigerator and freezer compartments operate as two separate devices in one housing. This allows you to turn off one of the compressors completely.
To implement this function, the case is often provided with separate power regulators or power buttons for each circuit. If you turn the refrigerator compartment control to the “0” or “Min” position, the corresponding compressor will stop starting. In this case, the second compressor will continue to freeze the food in the lower chamber.
However, even in two-compressor models with the No Frost system, a small heat exchange through the common partition may remain. Therefore, if you plan to be away for more than two weeks, it is better to completely defrost and turn off the refrigeration compartment, leaving the door ajar.
⚠️ Attention: In two-compressor models, make sure that turning off one circuit does not block the operation of the condensate removal system if it is connected to a general drainage.
The advantage of this scheme is complete independence. You can even defrost the refrigerator compartment while the freezer is still running. This is an ideal option for those who want to save energy without sacrificing frozen food supplies.
☑️ Check before leaving
Mechanical thermostats and their limitations
The situation with mechanical models equipped with one thermostat are the most complex. Here thermostat monitors the temperature in only one place (usually in the refrigerator) and controls the operation of a single compressor. It is technically impossible to turn off the cold supply to the upper compartment while leaving the freezer running without intervention in the design.
Some users try to solve the problem by closing the air supply damper, if it is structurally provided. However, most budget models of the “crying” type or simple No Frost do not have such a damper. Cold air enters by gravity or forcedly through a single channel.
The only safe option for such refrigerators is to set the thermostat to the minimum position (the warmest temperature). The compressor will turn on less often, and the temperature in the refrigerator compartment will rise, but will remain below room temperature. This is not ideal, but it will prevent damage to the remaining items inside (for example, if you forgot to remove the jar of pickles).
There are traditional methods that involve sealing the temperature sensor, but they are highly not recommended. Incorrect operation of the thermostat can lead to the compressor working continuously, trying to cool the “warm” sensor, which will lead to its rapid failure or freezing of the evaporator.
Care and preparation for long-term downtime
Regardless of the chosen method of shutting down the refrigerator compartment, it is critically important to properly prepare the interior space. Left in a warm place (+15°C), leftover food or even microparticles of organic matter will become an ideal environment for the growth of bacteria and mold during your absence.
Thoroughly wash all the shelves, drawers and walls of the chamber. Pay special attention sealing rubber bands to the drain hole. Even if the camera is turned off, residual moisture can trigger the growth of fungus. After washing, be sure to wipe the surfaces dry.
To prevent the formation of mold in a closed space, you can use special absorbers odor or simply leave an open container with activated carbon or soda inside. If the door of the refrigerator compartment is not in use, it is recommended to open it slightly (if the design and safety allow), providing micro-ventilation.
If you use the "Vacation" mode, make sure that there are no objects inside that could be damaged by high humidity or temperature. It is better to leave plastic containers open or remove them so that they do not absorb odors.
Frequently asked questions (FAQ)
Is it possible to completely turn off the refrigerator, leaving the freezer, if I have one power button?
No, if the model has one on/off button, it breaks the power circuit for everything device. It is impossible to separately disable circuits programmatically without such a function in the menu. Physical intervention by an electrician will be required to separate the circuits, which will void the warranty.
Will there be energy savings when the refrigeration chamber is turned off?
Yes, the savings will be significant. The compressor (or one of them) will stop wasting energy cooling the large volume of air in the upper compartment. However, the main consumer - the freezer compressor - will continue to work, so the bill will not drop to zero.
What will happen if you do not turn off the camera, but simply remove the food?
Nothing bad will happen except unnecessary energy consumption. The refrigerator will operate normally, turning on periodically to maintain the temperature. The only risk is the appearance of an odor if there are undetected crumbs or dirt inside.
How to understand that the "Vacation" mode is activated?
Usually this is signaled by a burning indicator with a palm tree, the inscription "Holiday" on the display or flashing temperature numbers. You may also notice that the compressor starts to turn on much less frequently, and the temperature inside the upper chamber has risen.
Is it possible to store medicines in a switched-off refrigerator compartment?
Absolutely not. In the "Vacation" mode or when manually setting the maximum temperature, the chamber will be about +12...+15°C. This is not a refrigeration mode, and most medications will deteriorate at this temperature.