Modern two-chamber models from the Belarusian manufacturer Atlantequipped with two independent compressors are deservedly popular due to their reliability and energy efficiency. However, even the most advanced equipment requires regular maintenance, and the key step in caring for units without a system No Frost is periodic defrosting. Owners often wonder whether it is necessary to turn off both motors at the same time or whether it is possible to act in stages, and how long the entire process will take depending on the thickness of the ice crust.
The correct implementation of this procedure directly affects the service life compressor and the quality of cooling of products. If you ignore the formation of ice, the thermal conductivity of the evaporator is disrupted, which forces the engine to work harder, consuming more electricity. In this article, we will analyze in detail the algorithm of actions for models with two motors, consider the time frame and answer frequently asked questions so that you can carry out maintenance without the risk of damaging your equipment.
The principle of operation of a two-compressor system
The main feature of such refrigerators is the presence of two separate refrigeration circuits. One compressor is solely responsible for the freezer compartment, and the second is responsible for the refrigerator compartment. This design solution allows you to independently control the temperature in each compartment and, which is especially important for the defrosting procedure, turn them off individually. This autonomy gives the owner flexibility in maintenance, which models with one motor cannot offer.
The presence of two motors means that if there is a need for defrosting (defrosting) in the freezer, the refrigerator compartment can continue to operate as normal. This is critical during the summer or when a large amount of perishable food is stored in the refrigerator. However, it is worth considering that physically the evaporators in these chambers are located separately, and the ice crust forms independently of each other in each circuit.
⚠️ Attention: Despite the independence of the circuits, heat exchange between the chambers through common walls and seals is maintained. Leaving one compartment off for a long time can cause the temperature in the adjacent compartment to rise, so try to minimize the time you open the doors.
Understanding this architecture helps optimize the process: you can defrost the freezer while drinks or vegetables continue to cool in the main compartment. This makes the service less disruptive for the household. It is only important to correctly identify which regulator or button is responsible for which motor, which is usually indicated in passport the device.
When the refrigerator needs to be defrosted
Determine the moment when a two-chamber Atlanta needs defrosting is possible based on several obvious signs. First of all, pay attention to the thickness of the ice layer on the walls of the freezer. According to the manufacturer's technical recommendations, the critical thickness is considered to be a layer of 5–7 millimeters. Exceeding this indicator significantly reduces the efficiency of heat transfer.
The second signal is the frequent switching on of the compressor. If you notice that the motor is running almost without interruption or the rest cycles have become very short, this may indicate that it evaporator is covered in ice and cannot effectively remove heat. Another sign may be the appearance of moisture on the floor around the refrigerator or smudges inside the chambers, which indicates an overflow of the drainage system or melting of ice at the wrong time.
The regularity of the procedure depends on the operating conditions. If you open the door frequently, there is high humidity in the room, or you load food into the chamber without pre-cooling, ice will build up faster. On average, for models Atlant with a drip system, defrosting is recommended 2 times a year. Ignoring these deadlines leads to overload of mechanical components.
Preparation for the defrosting procedure
Before starting any manipulations, it is necessary to properly prepare the equipment and free up space. First, remove all food from the freezer. If you plan to defrost only it, you can leave the food from the refrigerator compartment, but it is better to transfer perishable items to a cool place or a thermal container, since when the freezer door is open, the temperature in the adjacent compartment may begin to rise.
Next you need to turn off the power. For models with two compressors, it is important to turn off exactly the circuit that you will defrost, or unplug the cord completely from the outlet if you plan to wash the entire unit. They are usually located on the control panel or inside the camera. thermostats. Move them to position "0" or "Off" before disconnecting from the network to avoid a power surge the next time you start up.
☑️ Preparing for defrosting
Prepare a container to collect water. When the ice begins to melt, water will flow to the bottom of the chamber and flow out through the drainage hole or simply overflow the threshold. Cover the floor around the refrigerator with absorbent rags or towels. Remove all removable elements: shelves, drawers, containers - it is more convenient to wash them separately in the bathroom under running water.
Step-by-step defrosting process
The safest and recommended by the manufacturer Atlant method is natural thawing. After turning off the power, leave the freezer and/or refrigerator doors open. The process will take from 3 to 10 hours depending on the thickness of the ice and the room temperature. Do not try to speed up the process by mechanical force, as this can lead to damage aluminum evaporator.
If you are defrosting only the freezer, leave the refrigerator plugged in, but with the freezer thermostat turned off. Make sure the refrigerator door is closed tightly to prevent any cold from escaping. The water will flow into a special tray or onto the floor of the chamber, from where it will need to be removed with a soft rag. Periodically wipe the walls dry to speed up the process.
⚠️ Attention: It is strictly forbidden to use sharp objects (knives, screwdrivers, scrapers) to chip ice. Damage to the evaporator tubes will lead to refrigerant leakage and expensive repairs, which are often not economically feasible.
Can a hair dryer be used to speed up?
Use of a hair dryer is permissible only at a minimum temperature and from a distance of at least 30 cm. Direct a hot stream of air Do not apply directly to plastic or rubber seals - they may become deformed. This method is only suitable for experienced users; it is better to let the ice melt on its own.
During the melting process, make sure that water does not get on the electrical contacts or inside the compressor housing. If you see water accumulating in hard-to-reach places, gently blot it with a sponge. After the ice has completely disappeared, thoroughly wipe all surfaces with a dry cloth.
How long does defrosting take?
The duration of the process directly depends on the volume of frozen ice and the air temperature in the room. For a standard two-chamber model Atlant with a moderate layer of frost, natural thawing takes on average 4–6 hours. If the ice layer exceeds 1 cm, the time may increase to 10–12 hours. Complete defrosting of both chambers at the same time can take up to a day.
The table below shows the approximate time costs depending on the degree of icing:
| Ice condition | Layer thickness | Defrosting time (natural) | Time with a hairdryer* |
|---|---|---|---|
| Preventive | up to 3 mm | 2–3 hours | 30–40 minutes |
| Medium | 3–7 mm | 4–6 hours | 1–1.5 hours |
| Strong | more than 1 cm | 8–12 hours | 2–3 hours |
| Critical | solid crust | up to 24 hours | Not recommended |
Using a hair dryer (indicated by an asterisk) requires extreme caution. Remember that sudden temperature changes are harmful to materials. If you are in a hurry, it is better to defrost the chambers one by one, starting with the freezer, as it grows faster.
Cleaning and care after defrosting
After the ice has completely melted and the surfaces have been wiped dry, it is recommended to sanitize. Use a weak solution of baking soda or a special refrigerator cleaner. This will help eliminate unpleasant odors and bacteria that may have grown in the condensate. Wash the removed shelves and drawers thoroughly, let them dry.
Pay special attention sealing rubber cuffs to the doors. Wipe them with a soft cloth soaked in soapy water and check for cracks or dirt that could impair the seal. A clean seal ensures a tight fit of the door, which prevents the entry of warm air and rapid re-formation of ice.
Do not forget to clean the drainage hole, if it is provided for in the design of your model. Often it is a blockage in the condensate drainage channel that causes puddles to appear inside the chamber. For cleaning, you can use a special flexible brush or a cotton swab.
Starting the refrigerator after maintenance
When all the chambers are washed and wiped dry, you can start starting. First, put all the shelves and drawers in place. Make sure the inside is dry. Close the doors and only then plug the power cord into the outlet. Move the thermostats to the operating position (usually this value 2 or 3).
Models with two compressors are characterized by sequential start of the motors. First one may turn on, after a few minutes the second one. This is normal and was done to reduce the starting load on the electrical network. Do not load food immediately: let the refrigerator run idle for a minimum 2–4 hoursso that it reaches operating temperature.
⚠️ Attention: If after turning on you hear an unusual noise, there is a knock or the refrigerator does not start within 10-15 minutes, immediately disconnect it from the network. Perhaps moisture has entered the system or there is a failure in the electronics, diagnostics by a specialist is required.
Typical errors when defrosting
Many users make mistakes that shorten the service life of the equipment. The most common of them is trying to break off the ice with a knife. This is a direct path to depressurization of the system. It is also a mistake to turn on a hot, freshly washed refrigerator. A sudden start of the compressor on warm walls can lead to incorrect operation of the thermostat.
Another mistake is incomplete drying. If you leave moisture in hard-to-reach places, when turned on it will freeze in the form of ice plugs that can block the fan (in models with partial Frost) or disrupt the operation of the sensors. Always use a dry cloth for final wiping.
Ignoring cleaning the rear radiator grille is also a mistake. While the refrigerator is defrosting, it makes sense to vacuum or wipe the condenser at the back of the unit. Dust on the radiator impairs heat transfer, causing compressor work longer and louder.
Is it possible to defrost only one chamber in a two-compressor Atlanta?
Yes, this is possible and even convenient Since the circuits are independent, you can turn off the thermostat of the freezer, leaving it on. operate the refrigerator. However, make sure that the door of the operating chamber opens minimally so as not to disturb the temperature regime.
What to do if the refrigerator does not freeze after defrosting?
Give it time. After defrosting and loading food, the unit may take up to 24 hours to reach the set mode. If the temperature does not drop after a day, check the position of the thermostat and the tightness of the closure. doors.
Is it necessary to lubricate the seals after defrosting?
It is advisable. After washing, the rubber seal may dry out. Wipe it with silicone grease or glycerin - this will preserve the elasticity of the rubber and extend its service life, ensuring tightness.
How often should you defrost the Atlant with two compressors?
The optimal frequency is 2 times a year (in spring and autumn). If you notice that ice is growing faster, check the tightness of the door or the serviceability of the seal. You need to defrost more often when the humidity in the room is high.