How Does A Window Ac Unit Work

Working of Window Air-conditioning

Now that we have seen the various parts of the window air conditioner, permit u.s. see its working. For understanding the working of the window AC please refer the figures given beneath. The working of window air conditioner can be explained past separately considering the two cycles of air: room air bicycle and the hot air cycle. The compartments of the room and hot air are separated by an insulated partition inside the body of the air conditioner. The setting of thermostat and its working has also been explained in the discussions below.

Working of Window AC

Window AC Air Flow

Window Air Condtioner Air Flow

How Window AC Works

How Room Air Conditioner Works

Room Air Cycle

The air moving inside the room and in the front part of the air conditioner where the cooling whorl is located is considered to be the room air. When the window AC is started the blower starts immediately and after a few seconds the compressor also starts. The evaporator coil or the cooling gets cooled every bit soon as the compressor is started.

The blower behind the cooling curlicue starts sucking the room air, which is at high temperature and also carries the dirt and dust particles. On its path towards the blower, the room air commencement passes through the filter where the clay and dust particles from information technology go removed.

The air so passes over the cooling coil where 2 processes occur. Firstly, since the temperature of the cooling curlicue is much lesser than the room air, the refrigerant inside the cooling coil absorbs the heat from the air. Due to this the temperature of the room air becomes very low, that is the air becomes chilled.

Secondly, due to reduction in the temperature of the air, some dew is formed on the surface of the cooling whorl. This is because the temperature of the cooling coil is lower than the dew bespeak temperature of the air. Thus the moisture from the air is removed so the relative humidity of the air reduces. Thus when the room air passes over the cooling coil its temperature and relative humidity reduces.

This air at low temperature and low humidity is sucked past the blower and it blows it at high force per unit area. The chilled air and so passes through small duct inside the air conditioner and it is then thrown exterior the air conditioner through the opening in the forepart panel or the grill. This chilled air then enters the room and chills the room maintaining low temperature and low humidity inside the room.

The cool air inside the room absorbs the oestrus and as well the moisture and then its temperature and moisture content becomes loftier. This air is again sucked by the blower and the cycle repeats. Some exterior air also gets mixed with this room air. Since this air is sent back to the blower, it is also chosen as the render room air. In this fashion the bicycle of this render air or the room air keeps on repeating.

Hot Air Cycle

The hot air cycle includes the atmospheric air that is used for cooling the condenser. The condenser of the window air conditioner is exposed to the external atmosphere. The propeller fan located backside the condenser sucks the atmospheric at loftier temperature and it blows the air over the condenser.

The refrigerant inside the condenser is at very high temperature and it has to be cooled to produce the desired cooling event. When the atmospheric air passes over the condenser, it absorbs the estrus from the refrigerant and its temperature increases. The atmospheric air is already at high temperature and subsequently absorbing the condenser rut, its temperature becomes fifty-fifty higher. The person standing behind the condenser of the window Ac can conspicuously experience the estrus of this hot air. Since the temperature of this air is very high, this is called as hot air bike.

The refrigerant after getting cooled enters the expansion valve and then the evaporator. On the other hand, the hot mixes with the atmosphere and so the fresh atmospheric air is absorbed by the propeller fan and blown over the condenser. This cycle of the hot air continues.

Setting the Room Temperature with Thermostat

The temperature inside the room can exist set past using the thermostat knob or the remote command. If your window AC has knob, you would see some numbers or the circular scale round the knob that will enable setting the temperature desired in the room. If your Ac has come up with the remote control, then you will run into the room temperature on the digital indicator placed in the control panel of the window AC. You would probably besides see the temperature on the small screen of the remote control. With the buttons provided on the remote control you can easily ready the temperature within the room.

When the desired temperature is attained inside the room, the thermostat stops the compressor of the Air-conditioning. Later some fourth dimension when the temperature of the air becomes higher again, the thermostat restarts the compressor to produce the cooling outcome. One should ready the thermostat at the required temperature and non keep it at very low temperature to avoid high electricity bills.

Setting the Speed of the Air

The Speed of the air tin can exist set by the fan motor button provided on the control panel. If your AC has the remote control you lot can see the fan speed push button on information technology. The motor of the blower is of multispeed that blazon that enable changing the speed or the menses of air inside the room.

Important Function of the Window Ac: Air Filter

The filter is a very important function of the Ac since it cleans the air earlier it enters the room. For proper performance of the filter information technology is very important to make clean information technology every two weeks. If this is not done the filter will get high-strung and it won't be able to clean the air. Presently the dirt volition also enter the evaporator curlicue and choke information technology. If this happens the AC will stop functioning and cleaning the evaporator becomes a very tedious procedure. Cleaning the filter inappreciably takes five minutes, practice it regularly and enjoy the comforts of window AC on long-term footing.

Images Courtesy

Book: Bones Refrigeration and Air Condtioning by P N Ananthanarayanan, Tata McGraw-Hill Pubishing Company Limited, Second Edition, page no. 213
https://www.daviddarling.info/encyclopedia/A/AE_air_conditioner.html

https://homerepair.about.com/od/heatingcoolingrepair/ss/wind_ac_troubl.htm
Room Air Conditioners

This post is part of the series: What is Room Air Conditioner? Window Air Conditioners.

This is the series of articles that describes various parts of the window air conditioners, the working of the window air conditioners and the installation of the window air conditioners.

Parts of the Window Air Conditioners: Office I
Parts of the Window Air Conditioners: Role 2
How the Window Air Conditioner Works?
Window Air Conditioner used every bit the Heat Pump
How to Install Window Air Conditioner?