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External Factors Affecting The Air Conditioning System

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The efficiency of air conditioning systems varies from one device to another. If periodic maintenance of the system is regular, the efficiency of the air conditioning is high, and the indications are that it can work at the maximum load conditions. This gives the system a maximum life span in addition to an optimum operation at the maximum thermal load conditions. Another factor that increases the efficiency of air conditioning is the cleanliness of air filter and fins of the evaporator. Dirty and dusty filters & fins lead to multiple failures, including frost along the whole length of the coil of the entire evaporator up to the compressor beside the fall of condensation water of the device and the weakness of the air flowing into the room. On the other hand, when the fins of the condenser located in the external unit are unclean and the fan capacity is very low, this leads to high pressure, which causes compressor damage due to high pressure, temperature and continuous work. Furthermore, when the current (watt) consumption is 15-30% less than the normal value of a system, this indicates that there is a blockage in the cooling circuit or that the cooling system quantity inside the system is less than the planned one.

2.3.3 External factors affecting the performance of the air conditioning system

2.3.3.1Atmosphere temperature

When the external temperature is higher than 40 °C, the difference between this temperature and the required degree inside (22 °C) is significant,

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