The question of the physical separation of the freezer and refrigerator compartments often arises among owners of household appliances who are faced with a breakdown of one of the circuits or a desire to redesign the kitchen space. Many users mistakenly believe that a modern refrigerator is simply two independent drawers connected by a common wall, and they can be easily moved apart. However, the real engineering picture is much more complex and requires detailed consideration before taking up the tools.
In most cases, attempts separate the freezer from the refrigerator without professional intervention lead to a complete loss of system tightness and failure of the unit. The design of modern models, whether Indesit, Atlant or premium Boschimplies a single thermal insulation mass and often a common refrigeration circuit. The destruction of this connection means a violation the refrigerant circulation cycle, which makes further operation impossible.
However, there are specific scenarios when the separation of functional blocks is technically justified or even necessary. This applies to models with a No Frostsystem, where ventilation may be general, or situations where it is necessary to replace the evaporator in one of the compartments. Understanding the principles of operation of the compressor and the location of freon tubes is the key to safe maintenance of equipment.
Design analysis: a single housing or two devices?
The first thing you need to do before any manipulation is to determine the type of your device. Visually, the refrigerator may look like a monolith, but the internal architecture varies. There are models where the refrigerator and freezer compartments have independent compressors and completely separate cooling circuits. In such cases, it is theoretically possible to turn off one part, but physical separation of the housings is still prohibited.
The more common scheme is with one compressor that pumps refrigerant sequentially: first through the evaporator of the freezer, then through the refrigeration compartment. Here Freon tube passes through the thermal insulation layer, connecting both compartments. Any attempt to cut the body or move the chambers will lead to a fracture of the copper line and an instant gas leak.
Particular attention should be paid to the system No Frost. In such units, air circulation is carried out through common channels laid inside plastic panels and polyurethane foam insulation. Separation of the blocks will disrupt the aerodynamics of the flows, which will lead to the formation of ice plugs and failure of the defrost system.
⚠️ Attention: Even if there are two compressors, the chamber housings are often fastened with metal ties and foamed together at the factory. Mechanical separation will damage the thermal insulation, and the refrigerator will no longer maintain temperature.
To accurately determine the type of construction, it is recommended to study the technical data sheet or find refrigeration circuit diagram for your specific model. Often this information is available by serial number on the manufacturer's website. Ignoring this data can lead to expensive repairs.
Scenarios requiring separation of circuits
There are several critical situations when service center specialists have to work with separation of functional areas. Most often this is associated with finding a freon leak. If evaporator the freezer compartment is corroded, sometimes it is easier to plug this circuit than to change the entire foamed system, although this reduces efficiency.
Another scenario is upgrading or altering equipment for specific needs, for example, turning a refrigerator into a wine cabinet with one working area. In such cases, craftsmen can physically resolder the tubes, eliminating one of the evaporators from the circuit. This is a complex procedure that requires evacuation of the system and precise dosage of refrigerant.
Also, separation may be required when replacing thermostat or the sensor if access to them is blocked by a common wall. However, even here we are talking about partial dismantling of the internal panels, and not about dividing the housing itself into two parts.
- 🔧 Searching for and eliminating hidden leaks in the foamed part of the housing.
- ❄️ Disabling an inoperative evaporator for temporary operation of the remaining cameras.
- ⚙️ Replacing a compressor or filter-drier with a complex connection diagram.
It is important to understand that any manipulations with refrigerant require a license and special equipment. Independent attempts to “cut off” the freezer often end in an explosion of a gas cylinder or a fire due to ignition of the oil in the compressor.
Technical risks of dismantling and cutting
An attempt to physically separate the freezer from the refrigerator at home is associated with high risks. The main enemy of the amateur master is polyurethane foam insulation, which fills the space between the inner and outer casing. It hardens tightly and, when cutting, crumbles, losing its properties.
The second critical risk is damage to the aluminum tubes evaporator, which often passes through the entire height of the unit. Even a microscopic crack will lead to the release of the entire volume of freon in a matter of minutes. Restoring such a system will require complete re-welding of the circuit, which is not economically feasible.
| Type of damage | Consequences | Difficulty of repair |
|---|---|---|
| Freon rupture tubes | Complete loss of cold, compressor output | High (welding required) |
| Insulation damage | Formation of condensation, mold, "fur coat" | Average (replacement of panels) |
| Breakage of wiring | Failure of sensors, control unit | Low (restoration of contacts) |
In addition, damage to the integrity of the housing can lead to moisture getting on electrical components, which creates a risk short circuit. Modern refrigerators are full of electronics that are sensitive to changes in voltage and humidity.
What happens if the tube of the “crying” evaporator is damaged?
If the back wall of the refrigerator compartment (where the hidden evaporator is located) is cut or pierced, It is almost impossible to restore the tightness at home. Aluminum is difficult to solder, and replacing the evaporator requires removing the internal plastic lining, which often breaks during dismantling.
Tools and preparation for work
If you decide to carry out complex manipulations of reassembling the internals or diagnostics, you will need a specialized set of tools. A regular home kit will not be enough here. First of all, you need a pressure manifold to control the pressure in the system.
To work with metal and insulation, you will need tools that provide a clean cut without vibration, which can destroy the fragile elements inside. It is also critical to have personal protective equipment, since dust from insulation and refrigerant vapors can be toxic.
☑️ Tools for working with the refrigeration circuit
Do not forget to prepare a container to collect oil that may leak from compressor when tilting or dismantling. Mineral oilused in old models, and synthetic in new ones, require different approaches to disposal.
⚠️ Attention: Before starting any work on the electrical part, be sure to disconnect the device from the mains. The capacitors in the start relay can retain their charge for a long time.
Step-by-step instructions for insulating chambers
In cases where it is necessary to temporarily operate only one chamber (for example, the defrost heating element in the freezer has burned out, but the refrigerator is working), the insulation method is used. This is not a physical separation of cases, but a disabling of functionality. The first step is to locate thermostat or electronic control module.
Next, turn off the power to the evaporator of the problem area. In mechanical models this can be a simple reconnection of wires, in electronic models it can be entering the service menu or resoldering elements on the board. It is important to ensure the tightness of the transition between the chambers so that the cold does not escape.
If the freezer is not needed at all, it can be turned into a thermally insulated cabinet. To do this, it is necessary to tightly close the ventilation holes between the compartments using installation foam or seals. This will prevent air circulation and reduce the load on the compressor.
- 🔌 Turn off the power to the defrost heater and the non-working chamber fan.
- 🚫 Seal the air circulation channels between the compartments.
- 🌡️ Set the thermostat to work only with the active zone.
Common mistakes during self-repair
The most common mistake is trying to saw off a common wall with a grinder. This is guaranteed to lead to fire of polyurethane foam and damage to hidden tubes. Thermal insulation Modern refrigerators are flammable and release toxic substances when heated.
The second mistake is ignoring the need for vacuuming. After any opening of the circuit, moisture and air remain in the system. If you do not pump them out vacuum pump, the compressor will quickly fail due to water hammer or oil oxidation.
The third mistake is using the wrong refrigerant. Refilling R600a (isobutane) and R134a (freon) require different pressures and oils. Mixing them or filling them “by eye” without a scale leads to incorrect operation and an explosion hazard (in the case of isobutane).
⚠️ Attention: Isobutane (R600a), used in many modern refrigerators, is explosive. Any work with an open flame (soldering) near spilled refrigerant is prohibited.
Remember that the cost of professional repair is often lower than buying a new unit after an unsuccessful attempt to “separate” it yourself. Take care of your equipment and follow safety precautions.
FAQ: Frequently Asked Questions
Is it possible to use the freezer separately if the refrigerator is not working?
Technically, it is difficult to start only the freezer in a system with one compressor. You will need to turn off the refrigerator circuit and reset the thermostat. However, without proper thermal insulation and settings, the system will work ineffectively, and condensation will accumulate on the walls of the refrigerator.
What will happen if you cut the tube when trying to separate the chambers?
The system will immediately depressurize. The refrigerant will come out, and air and moisture will get inside. The compressor will run idle and burn out after a short time. Restoration will require replacing the evaporator, evacuation and charging with freon.
Are there refrigerators where the freezer and refrigerator are two different devices?
Yes, there are composite refrigerators (Side-by-Side or columns), where the freezer and refrigeration cabinets are side by side, but have their own independent housings, compressors and control systems. They can be moved apart, but they are not “one device” in the constructive sense.
How can I find out how many compressors are in my refrigerator?
Look at the back wall of the unit. If there is one black “tank”, there is only one compressor. If there are two, then two. This is also indicated in the technical data sheet and on the sticker with the characteristics inside the refrigerator compartment.