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Automobile air conditioning refrigeration result is bad, may be the reason

by:Arkool     2020-03-08
< p> sorching summer believes that many owners will meet the car air conditioning is blown out is not cool, it makes people very upset. First of all should be from the structure of the automobile air conditioner, auto air conditioning and home air conditioning is not the same as the significant difference between the two is to use the driver, are, compressor, pressure switch, blowers, and other components. < / p> < p> < / p> < p> auto air conditioner is not cool, you're going to take a look at these things < / p> < p> 1, check whether there is leakage fluorine < / p> < p> 2, air-conditioning filter was too dirty < / p> < p> 3, the appearance of air conditioner condenser is clean < / p> < p> 4, fan clean, do you have any jam ( Winter summer blower can have some water, and the dust particles clogged turbidity will make its appearance < / p> < p> < / p> < p> < / p> < p> for all of these are a lot of car owners can see more intuitive to show the cause of the automobile air conditioning refrigeration, only for can't intuitive judgment to use some instruments to measure, it will have a professional operation. In general, first check the snow kind of ( 134) High pressure low pressure is normal, Check was conducted in the process of the car) Generally high pressure should be 1. 3 - 1. 7MPa( 13 - 17 kg/cm2 or 190 - 250Lbf/in2) ; Low pressure should be 0. 15 - 0. 25 mpa ( 1. 5 - 2. 5 kg/cm2 or 20 - 35Lbf/in2) In between. If the low pressure higher or lower than this range, suggests that expansion valve adjustment is not normal. Not in the realm of the compressor in the event of a problem. < / p> < p> < / p> < p> < / p> < p> whether air conditioning compressor normal operation, you can go to with the hand intuitive feelings under the low pressure pipe is cold, can also be through the pressure gauge to determine the changes of low pressure and high pressure to more direct judgment. < / p> < p> < / p>
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