How Does Air Conditioning Work

How Does Air Conditioning Work?

Split air conditioner: Too warm offices and shops reduce the performance of employees and grey customers. At home in hot summers, it is hard to think of restful sleep. What is already standard in many cars is now also making its way into companies and private homes north of the Alps: air conditioning. Most of them are so-called split air conditioning systems. Learn how such a device works. The split air conditioning system consists of one or more appliances in the interior and a device on the facade or on the floor in front of the house. The two parts are connected by refrigerant lines and a control line. The refrigerant transports the heat it has absorbed on the indoor unit to the outside. There, the heat is released to the air and flows back.

In detail, this works as follows:

The device in the interior has an area called an evaporator. The sucked-in warm room air flows past it. In the evaporator, a refrigerant absorbs the heat and thus becomes gaseous. Just as water turns into steam when boiling. The refrigerant continues to flow into the so-called compressor. It is also called a compressor. This compacts the refrigerant with high pressure and heats it additionally. The same thing happens to the air in the bicycle tire when inflating. You feel it at the hot valve. The further heated gaseous coolant is then fed to the outdoor unit. The heat exchanger in the outdoor unit releases the heat of the refrigerant to the ambient air. Because the refrigerant is always hotter than the outside air at this point, it also works when it is warm outside. On the indoor and outdoor devices, the air conditioning system uses the physical law that warm air always flows towards colder air and never colder air in the direction of warm air. By dissipating the heat to the outside air, the refrigerant becomes liquid again. After a valve has further reduced the pressure of the liquid, the refrigerant flows into the interior. The cycle starts from scratch.

 

What are the Components of Air Conditioning?

Components of Air Conditioning

Two refrigerant lines run between the indoor and outdoor unit. One from the indoor to the outdoor unit and one back. They are made of copper and are insulated with foam.

A so-called control line allows indoor and outdoor devices to communicate with each other.

Indoor and outdoor equipment require a power connection for energy supply. And because condensing water can be produced wherever there are temperature differences, a small hose leads into an existing drain. About under a sink. Depending on how the system can be installed, a condensate pump is still required.

Finally, the system also includes an infrared remote control. With it, you can comfortably adjust the desired temperature.

 

What is a Multi-split Air Conditioner or Split Air Conditioner?

In a multi-split air conditioner, several indoor units, for example in different offices, are connected to an outdoor unit.

What distinguishes a monoblock air conditioner from a split air conditioner?

split air conditioner

With a monoblock air conditioning system, all components are in one device. This means that the device part that absorbs the heat and the device part that eats the heat is in the same room. Therefore, these devices have a thicker air duct, which you have to guide through a window outwards. In most cases, monoblock air conditioners are therefore less effective than split air conditioners.

 

Why does the air conditioner need a refrigerant?

Refrigerants are liquids specially manufactured for the requirements of air conditioning technology. Their most important feature is that they become liquid or gaseous faster than, say, air or water.

 

Is air also exchanged during the cooling process?

No, a split air conditioning system does not bring fresh air into the room. However, there are ventilation systems that can be combined with air conditioning systems. The incoming fresh air is cooled with the air conditioning.

 

Can air conditioning also heat?

You can also heat with all the air conditioners we offer. For this purpose, the circulation in the air conditioning system is simply reversed: the refrigerant takes heat from the outside air, increases it in the compressor and releases it inside to the room air. The air conditioning system thus becomes a heat pump. As a rule, it is more effective to heat with a proper heat pump or another heater. However, there are cases where it makes perfect sense to use air conditioning for heating. For example, in offices, where large screens and the associated computers already emit a lot of heat. There is only a small amount of heating to be done here. Or in island locations, such as an office container in a large, unheated warehouse. Here, the air conditioning for heating and of course also for cooling can be an economical solution.

 

How can the performance of an air conditioner be assessed?

Our system calculates the necessary performance on the basis of the data you provide for the rooms and the building. The power of the devices is expressed in kilowatts (kW). Each indoor unit requires a certain kilowatt power. The power of all indoor units combined gives the necessary power for the outdoor unit. The effectiveness of an air conditioning system can also be assessed on the basis of a so-called power figure, the so-called COP or SCOP. Their value indicates how many kilowatt-hours of cold an air conditioner can make from one kilowatt-hour of electricity used. For example, if the SCOP 4 is the case, the air conditioning system can generate four-kilowatt hours of cold from the one-kilowatt hour of electricity. Split air conditioner.

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