| This article is an extension to "Mechanical | | | | placed at the evaporator - to aid heat |
| Air Conditioners - Part I - Operating | | | | exchange. Blowers will also provide better |
| Principle", and I will be talking about AC | | | | air circulation within your house - and these |
| parts used in mechanical air conditioners.Air | | | | supply with cool air to you, from the |
| conditioner parts that we put into a | | | | evaporatorSupport air conditioning partsThese |
| mechanical AC, should conform to the | | | | are conditioner parts provide the protection |
| operating principle. Air conditioning parts | | | | to the main parts, such that those will last |
| for this type of equipment are divided into | | | | long, and operate reliably. The list,Filter |
| three categories. The,main and compulsory | | | | dryer receiverFunctions to filter small |
| parts. This category is mandatory, otherwise, | | | | particles from the compressor, remove |
| a mechanical air conditioner will not | | | | moisture within the refrigerant, and in some |
| function at allthe support parts, to ensure | | | | cases, acts as a receiver to supply full |
| that the air conditioning equipment last | | | | liquid column (without bubbles) to the |
| long, and function effectively, and,the | | | | expansion valve.It is placed before the |
| control parts, for improving efficiency of | | | | expansion valve, and after the |
| the equipment, and maintaining your comfort | | | | compressorFiltersWhat more can I say. Air |
| and bills - at optimum levelMain air | | | | conditioner filters will prevent dust, and |
| conditioner partsThere are six parts in this | | | | other particles from clogging up the |
| category. Let's explore them one by one,The | | | | evaporator. Of course, you'll have to clean |
| compressorUsed for compressing refrigerant | | | | or replace it periodicallyTube insulationIs |
| into high pressure gas into the condenser, | | | | the simplest air conditioning part and |
| and pulling in low pressure gas from the | | | | utilised in refrigerant return line. This |
| evaporator. The high pressure and low | | | | part will prevent icing, and condensation on |
| pressure is created by the compressor.Common | | | | the refrigerant return line.Essentially, it |
| compressors used are piston type, scroll, and | | | | will keep the refrigerant from evaporator |
| rotary compressorsCondenser and | | | | cold, and allow for better cooling of |
| evaporatorThese are simple finned heat | | | | compressor. Additionally, you'll save on |
| exchangers. These air conditioner parts, are | | | | utility billsMufflerAs the sound deadening |
| formed using a serpentine shaped copper (or | | | | air conditioner part, placed at the outlet |
| aluminium) tube, with aluminium fins.Although | | | | line of the compressorCasingWell, to make |
| the functions are different, the operating | | | | sure you can transport main sections |
| principle of these parts is the same. To | | | | (condensing unit and evaporating unit) in |
| encourage heat exchange between the | | | | simple packages, and used to protect |
| refrigerant and air.Condenser will function | | | | sensitive and main air conditioner |
| to liquefy high pressure refrigerant. | | | | partsControl AC partsThese air conditioner |
| Evaporator will function to completely boil | | | | parts are more like the "essential |
| low pressure refrigerant, into low pressure | | | | accessories" for any mechanical air |
| gasExpansion deviceCommon expansion devices | | | | conditioner. Here we go,Thermostat and |
| are either capillary tube, OR thermostatic | | | | humidistatThe former AC part is used for |
| expansion valve. The function is to allow | | | | controlling the temperature, and the latter |
| pressure build up from the compressor, and | | | | for controlling the humidity. Thermostat is |
| allow for refrigerant to expand into low | | | | used in ALL ACs, but not humidistat. However, |
| pressure zone. This air conditioning part | | | | the inclusion of humidistat into the system |
| will also allow for boiling to startTubeTubes | | | | in conjunction with thermostat is common in |
| are air conditioner parts that has no moving | | | | central ACsContactorIs and electrical |
| parts. The main function is to direct | | | | component used to control the switching on, |
| refrigerant flow, and contain refrigerant | | | | and off of compressors, fans, and |
| within the AC. Common tube material is either | | | | blowers.DampersDampers are used in central |
| copper, or aluminiumRefrigerantAir | | | | ACs, to control flow of air, such that you'll |
| conditioners would not be able to cool, or | | | | get the right comfort from the air |
| heat anything without a refrigerant. | | | | conditioning equipment. Dampers is almost |
| Therefore, this part is essential. | | | | vital in central ACs, as it is difficult to |
| Refrigerant is used for absorbing (at | | | | balance heat gain and loss requirement in |
| evaporator), and expelling (at condenser) | | | | each room - from a single |
| heat.Common refrigerant type used in | | | | condensing-evaporating central unitBy now, |
| mechanical ACs are the HCFC | | | | you should have a general idea of what are |
| (hydro-chloro-fluoro-carbon), and HFC | | | | the air conditioner parts that make up a |
| (hydro-fluoro-carbon)Fans and blowersFans are | | | | complete mechanical air conditioner. |
| placed at the condenser, and blowers are | | | | |