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Aircon Parts

How Does an Aircon Condenser Work and Its Common Problems

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A standard aircon system is usually composed of two major units — the interior and exterior. The exterior unit, located outdoors, is called the condenser unit. As the name suggests, this unit is responsible for condensing and liberating all the heat energy from the inside into the outdoors.

So what can possibly happen to an aircon system without the condenser unit? The answer is, well, a lot. However, the most obvious change that will happen is the air conditioner failing miserably in its primary task of cooling.

Read more below to find out how an aircon condenser unit works and its 5 common problems that you should watch out for.


How Does an Aircon Condenser Work?

The condenser unit helps the refrigerant or coolant in removing and absorbing the heat through a condenser coil within a room and emitting this heat into the external atmosphere. First, the refrigerant leaves the evaporator in the form of hot, high-pressure gas and enters through the suction line. A condenser is equipped with a piston that does the job of condensing the gas together.

Afterwards, both the temperature as well as the pressure of the gas increase. The condensed gas then exits and makes its way through the discharge line. Because the heat flows from a higher temperature to a lower temperature, the heat stored in the refrigerant gets automatically transmitted to the cooler air outside the room.

Once completed, the coolant returns to its normal temperature and liquid state and returns to the original point in the cycle.


5 Common Aircon Condenser Problems

‍Knowing when something’s wrong with your aircon condenser is key to immediate repair and maintenance. Here are the 5 most common condenser signs and problems to watch out for:

1. The air conditioner is no longer blowing cool air


Has your air conditioner stopped blowing cold air altogether? Then it’s time to check the condenser for any sign of performance issues. While reduced or no cooling in a unit can mean a lot of things, starting with the condenser is a good way to diagnose the problem.

In order for an air conditioner to work correctly, the discharge pressure should be higher than the suction pressure. In the case of a discrepancy between the discharge pressure and the suction pressure, the condenser and the air conditioner will fail to do their job.

2. There is a leak in your air conditioner’s coolant


The aircon condenser and aircon compressor are connected by pipes where the cool air flows through and helps carry heat out. Having a leakage in these pipes will affect the performance of the two parts and ultimately, the air conditioning system. This is a very typical problem among air con condensers and one that requires immediate professional assistance.

3. The air conditioner is leaking refrigerant


In an AC system, thin tubes are responsible for transferring refrigerant between the condenser and the aircon compressor. But once these tubes start leaking, they could pose a serious threat to the entire unit system. So if your aircon starts giving off an unusual sound or you see any frost formations along the system, it's time to get your unit checked.

4. There are obvious electrical faults in the system


Any type of electrical fault in the form of exposed wires and disconnected wires can spell trouble for your condenser and air conditioner unit. If you start seeing any faults in these electrical circuits and systems, it’s best to call an AC electrician or technician right away. Since these are live wires, it’s highly recommended that you avoid performing any type of DIY repair.

5. There’s an accumulation of dust, dirt and debris inside the condenser


Since condensers are commonly placed outside the house or an office space, it’s very easy for these parts to collect dirt over time. In addition to these particles, they can also get falling leaves, branches, stones, and sticks stuck inside the system. So always check for any of these elements regularly to keep your aircon condenser and unit properly maintained.


Fast and Easy Home or Office Aircon Repair in SG

While there are many ways that you can do to troubleshoot aircon condenser issues, performing regular maintenance is still your best option in prolonging your air conditioning unit’s lifespan.

For residential and commercial aircon servicing and repairs, give us a call or send us a message here at Luce Aircon! With our full suite of aircon services, our licensed aircon experts and technicians are guaranteed to solve your aircon woes in just one fast and easy appointment.

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Staff Writer

Staff Writer

This article is written by our passionate staff writers who seek to share our knowledge from our business

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