DIY air conditioner dismantling

Although disassembling an air conditioner by yourself may seem difficult, it is doable with the correct instructions. It’s important to remove the unit safely whether you’re upgrading your cooling system or moving to a new location. To make sure that neither the machine nor your area are harmed, it needs to be done carefully and with attention to detail.

Prior to beginning, make sure you have the required equipment and understand the fundamental parts of your air conditioner. You can prevent common errors that could result in leaks or electrical hazards by taking a cautious approach.

You don’t need expert assistance to successfully remove your air conditioner if you follow a few easy steps. Let’s investigate a safe and effective way to do it.

Precautions

Every contemporary split system, which includes a residential air conditioner, is made up of indoor and outdoor units. The refrigerant travels through two highways that connect them. From the indoor unit to the outdoor one, liquid freon is circulated through a smaller diameter tube. It travels in the same direction in the opposite direction, but as a gas. The tube is made of thicker copper. When attempting to remove the air conditioner yourself, this is the area where the issues lie that could cause all of your efforts to fail.

1. As a result of improper disconnection of the main pipelines, partial or complete loss of freon.
2. Air containing moisture can get into the tubes and heat exchanger, which is fraught with breakdown when the air conditioner is operating in a new place – incompressible moisture gets into the compressor and puts it out of order.
3. Small particles getting into copper tubes when they are pulled out through the wall or during improper transportation leads to a quick breakdown of the system.
4. Particular attention should be paid to the threaded nipples soldered to the tubes, if they are damaged, very expensive repairs will be required.
5. Incorrect disconnection of wires. If you do not put special marks on the terminals, this can lead to incorrect connection in a new place.
6. Cutting too short drainage pipe, which removes condensate outside the outdoor unit, you condemn yourself to its premature complete replacement.
7. During transportation of the product to a new place of service, there is a risk of losing small fasteners and parts if they are not securely fastened after disassembly.

Read the instructions carefully before beginning any manual disassembly of the air conditioner because all of the aforementioned cases result in very costly repairs of the entire system.

Why it is necessary to bleed freon

An essential piece of equipment that can swiftly cool a room on a hot day is an air conditioner. But occasionally, there are circumstances in which it must be disassembled. In some circumstances, doing this is quite simple. For instance, when all of the equipment is broken and they have no intention of fixing it. It is not necessary to keep the air conditioner’s main units tight during such work.

The operating principle is different if the air conditioner needs to be removed even though it is functioning properly. Making sure that air and dust do not enter the system is crucial in this situation. If this occurs, the compressor will most likely malfunction following device installation and startup. The vacuum pump’s intricate design is thought to be the primary cause of this.

The split system’s working principle

It is associated with the properties of freon. It is very fluid, very cold at the entrance to the system, and very hot at the exit. That is why conventional pumps or compressors are not used in the device of air conditioners. The fact is that their gaskets and seals simply would not withstand constant operation in conditions of constant temperature differences. High tightness of the vacuum pump is achieved by high-precision fitting of the surfaces of moving parts and the internal surfaces of the chambers. This is a very complex and delicate job, since even the smallest scratch can cause the compressor to fail. An air conditioner can be broken by a grain of ice that forms if air gets inside. As a result, moisture freezes and can cause a breakdown.

In order to prevent these issues, inert gas is injected into modern air conditioners right away and then removed before freon is added. For this, a vacuum pump is employed.

Preparation for dismantling

The primary challenge that arises when getting ready to disassemble equipment is the requirement for a manometric station. It will be simpler to rent because it is very pricey and it makes no sense to buy it for a one-time use.

Together with the station, the following are necessary for the task at hand:

• Hex and spanner keys;
• a set of screwdrivers;
• a pipe cutter;
• an ordinary bench vice;
• pliers.

How to drain freon

There are multiple methods for taking out a functional air conditioner.

1. Using an ordinary pressure gauge station. With its help, all the freon is pumped out.
2. Using a special station connected to a cylinder with two valves. Such a device pumps out liquid and gaseous freon.

It is thought that the first option is simpler. But in order to do this, you must turn on the air conditioner. Additionally, this is only possible in mild weather.

Although the second option is more complicated, it can be used in nearly any circumstance—even in the winter, when running the air conditioning is forbidden. Another benefit of this approach is that the condenser will be fully pumped of freon. This allows the air conditioner to be moved from one location to another.

Utilizing this station permits disassembly during the winter.

However, there are drawbacks to this approach as well. The primary one is that renting a station and a cylinder is very expensive compared to the cost of a basic pressure gauge manifold.

How to work with a pressure gauge station

A block makes up the station’s body. It has two pipes on the side surface. There are two tubes that exit from them.

1. The thin one ensures the transfer of liquid refrigerant from the condenser to the evaporator.
2. Thanks to the thick tube, freon gas enters the condenser block.

Every fitting has its own unique valve. Turning off the freon supply is necessary.

The standard procedure is followed when adding freon to the condenser.

1. Protective covers of pipes and nipples are dismantled.
2. The nipple is connected to the manifold.
3. The air conditioner is turned on and the maximum cooling mode is set.
4. After this, you should wait 4-5 minutes and close the valve of the branch pipe, which is responsible for the supply of liquid freon. This action interrupts the supply of refrigerant to the evaporator.
5. The pressure is controlled using a pressure gauge.

In order to complete the last step of the pressure gauge station work, an assistant is undoubtedly required. The truth is that you have to shut off the gas nipple right away if the indicator reads -1 MPa. The performance of the entire air conditioner will suffer if you wait, as the compressor pump will begin to sluggish.

How to disconnect electrical circuits

To begin disassembly, disconnect the electrical circuits as the final step. The only way to accomplish this is to drain the residual refrigerant. It’s easy to find the disconnection point; it’s usually on the back of the air conditioner’s outdoor unit.

It’s worth drawing the entire diagram before turning it off if you can’t find it or it seems too complicated. The conductors that connect the indoor and outdoor units should be the only ones to be disconnected. It might also be required to disconnect the network connection. Given that it is inside the building, this is a challenging task to complete.

Once all connections have been made, you can remove the outdoor unit from its brackets. There won’t be any issues with the subsequent installation in place and turning on if everything is completed in accordance with the instructions.

Dismantling

Although the copper tubes must be disconnected before disassembling the outdoor unit, they are rarely reused because it is strictly forbidden to extend them. To ensure full sealing, they must be cut off about 200 mm from the fitting and the cuts must be caulked.

Take note! The tubes are filled with nitrogen to act as a seal and stop the inner surface from oxidizing when the product is stored disassembled for an extended period of time.

Outdoor unit

The instructions state that you must remove the thermal insulation after working with copper pipes. Typically, two craftsmen work together—one inside the room and the other outside. As a result, disassembly proceeds more quickly: after marking the terminals, your partner turned off the electricity, allowing you to disconnect the wires at their connection point.

The end of the cable is screwed to the pipes to allow for its removal inside the room after the pipes have been manually straightened to allow them to pass through the wall’s openings without obstruction.

Next, with the help of an assistant, we carefully remove the outdoor unit and move it inside the apartment by unscrewing the nuts that hold it on the special brackets. Lastly, the brackets are taken out of the building’s wall.

Crucial! In order to guard against mechanical damage from shaking, the disassembled outdoor unit is only placed vertically when being transported or stored. It is placed inside a box with foam plastic at the bottom.

Compressor

Sometimes an air conditioner’s indoor unit is left in place while only the outdoor unit is disassembled, for instance, if only the compressor needs to be fixed. Moreover, the split system’s indoor unit is not touched during comparable operations.

The primary requirement is accurate compressor disassembly:

• remove the cover from the outdoor unit;
• then disconnect the suction and discharge pipes;
• disconnect all electrical wiring;
• unscrew the fasteners of the condenser and fan;
• remove the condenser from the unit housing;
• access to the compressor is open – remove the fasteners and dismantle it.

By taking these steps, there is no longer any chance of breaking the pipelines, and there is now a clear window of opportunity to fix any other parts that are inside the outdoor unit’s housing.

Indoor unit

There are certain very specific details involved in dismantling the air conditioner’s indoor unit, without which all your efforts will be in vain. In certain situations, careless actions can also result in the breaking of rather delicate fasteners, such as the clamps or evaporator latches that hold the unit on the guides.

You should read the operating instructions, as there is a section you should pay particular attention to, in order to comprehend how to remove the air conditioner from the wall. Many users won’t be able to perform this operation; instead, they must call experts.

Only after removing the front panel will it be feasible to remove the air conditioning system’s indoor unit; before doing so, you must disconnect all electrical wiring as well as the freon supply and outlet pipes. The tangle of wires needs to be carefully and neatly disassembled. However, these are not the only tests; only individuals with the necessary training can disassemble the evaporator because the manufacturers have consistently blocked access to the latches.

The door blocks access, and two thin-tipped screwdrivers can be used to access the latches, which are pressed firmly against the wall. The unit should be held entirely by your partner during this strenuous procedure.

Once the evaporator is taken out, you can unscrew the mounting plate to block access to the freon pipes and electrical wires that supply the product. These are concealed in a unique groove inside the wall. The ornamental box that extends from the outer wall to the outer unit needs to be unscrewed last.

To make transportation easier, the disconnected wires are gently twisted and folded into a different box. A video showing how to disassemble an air conditioner without the assistance of a professional is available to assist do-it-yourselfers:

Step	Description
1	Turn off the power
2	Disconnect the power supply cables
3	Remove the outdoor unit carefully
4	Take off the indoor unit from the wall
5	Disconnect the refrigerant pipes
6	Seal the pipes to prevent leaks
7	Clean the installation area

You can learn more about the inner workings of your device and save money by disassembling your air conditioner yourself. Just be careful to take safety measures, such as turning off the unit’s power before using it.

When disassembling, pay special attention to the parts so that you can quickly reassemble them. Keeping track of what belongs where can be facilitated by labeling the components or taking pictures.

Do not hesitate to refer to the manufacturer’s manual or view in-depth online tutorials if you are unsure of any steps. Being cautious is always preferable to damaging the device or getting hurt.

It’s crucial to take caution when disassembling an air conditioner on your own to prevent breaking the appliance or creating leaks. Simple procedures include turning off the electricity, extracting the refrigerant safely, and separating the indoor and outdoor units. Having the right equipment and paying close attention to details are essential to making sure everything goes without a hitch.

Video on the topic

Dismantling the air conditioner yourself.

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