Automobile air conditioning to choose what kind of refrigerant is better

auto air conditioning refrigerant now basically has two kinds, one kind is refrigerant R12, the other is a 134 a ( HFC 134 a) , long before the R12 history and apply throughout, but containing chlorine molecules in a gas can damage the ozone layer in the atmosphere and cause the greenhouse effect, so a few years ago the world on behalf of the parties signed the Montreal protocol, rules to suspend production and use of freon products in recent years, during which R12 opener. Everything is in the ninety s using types, because do not contain chlorine molecular no damage to the ozone layer, the less changes to the car air conditioning system, by the UN organizations to introduce applied, such as guangdong and Hong Kong are referred to as the 'green snow', now many new car air conditioning system at home and abroad are using the 134 - a refrigerant. 1, how long need to replace a car air conditioning refrigerant? The use of the environment is more complex, air conditioning system will accumulate a lot of mold and produce peculiar smell, to air conditioning maintenance is necessary. Therefore, claims that two times a year to suit, respectively in the late spring and early summer autumn early winter, clean or replace air conditioning filter function better together. 2, refrigerant, how should choose? A: select non-professional refrigerant can significantly reduce the compressor life. Using the original gold refrigerant, such a good maintenance compressor. 3, the harm of defect car air conditioning refrigerant A: defect car air conditioning refrigerant may do harm to the whole car air conditioning system: some fake car air conditioning refrigerant are defective in gas refined to simple fire caused by blasting. In addition, due to the defect of snow kind of fluoride, the environmental pollution is very large. Together, defect snow containing chemical composition, can cause leakage, corrosion sedan refrigeration hose and blocking in the expansion valve, lead to air conditioning not refrigeration, could harm the compressor, the harm to the whole car air conditioning system. Containing impurities defective snow kind of smooth and compressor oil is not compatible, directly affect the smooth effect, long-term use can lead to loss of compressor of smooth function, harm to the compressor. B: the car air conditioning refrigerant too pit defect cars: by using the defect of snow damaged cars spare parts, it spend how many money to repair it? If air conditioning refrigeration hose aging leakage, simple to replace rubber hose, the original factory to 400, 500 yuan, the high-end models will be expected to 1000 yuan. If harm compressor, also want to see the different models, if be a $150000 worth of Japanese car, repair the compressor to spend at least 5000 - 8000 yuan. Advanced vehicle replacement compressor, costs and even up to 30000 - 50000 yuan. If the car has been increasing defect snow, advocated the owner fully replace quickly. Defect of snow more time is not long, may be no big problem, if more than one month, could seriously damage the machine. C: so the owner how to distinguish, to safeguard their car from harm? In fact, there are several way for all production test: a look at packing: printing not pass must not is produced by the factory; See a brand: the owner is still the best quality in secure original snow, small repair shop, is more a less known and inferior brand needs attention during which exists as snow; Three is to see the price: don't keen on gaining petty advantages goods, best buy 50 yuan of above the snow. Ability to distinguish between true and false from the aspects of price, the snow kind of different components, different manufacturers price is different, now there are 200 g, 250 g, 300 g, 300 g, for example, an unknown manufacturer produces price in 16 yuan - 19 yuan between, quality assured factory produced are 50 yuan, 60 yuan a bottle, the snow kind of original brand should be 100 yuan/bottle. He also told the owner, try to choose quality assured brand. Four is the fuel consumption: generally true snow kind of added, the temperature inside the car will soon be able to send a 2 degrees, the noise of air conditioning will be smaller, and smooth effect will be better. Good snow can have smooth effect, the noise of the air conditioning will be small, and theoretically fuel consumption will be less. Often open air conditioning, the compressor oil consumption will increase by 5% - 8%, because of the smooth effect, fuel consumption is relatively small. Five is to see appearance: there is some way to distinguish true and false actually industry: for the sake of making skills and capital, fake snow kind of general external tank cylinder middle aperture, and really kind of snow is seamless, this distinction method is the most simple and easy.

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