Question about Cfm Daikin R410a Split System Air Conditioner

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Split Airconditioner I have 18000 btu split type airconditioner, with R22 ,due to leakage it has lost all refrigrant ,I have all equipment to insert r22 my question is this do i also need to put oil in unit if yes then how much and how to put oil,can i put oil from suction side or is there any other way to do so ,kindly explain it to me comprehensively,Thanks in advance,my email is , Comment posted on Feb 24, 2009Rank: GuruRating: 87%, 26 votes You shouldn't have to add oil. The little bit that leaks out with refrigerant isn't significant. I would be more concerned about the leak itself. Has it been located and fixed. If not it will no doubt leak out again. Also do you know how much refrigerant to put in the system? Have you vacuumed the air/moisture from the system etc. Is the system totally flat or is there still some refrigerant in it? Let me know so I can advise you correctly. Thanks for your kind attention and reply sir,I am a hobbiest and it is my passion to learn about things,I have fixed the leakage ,and amount of r22 to fill in unit is written on its tag its about 1.2 kg,i also have pressure meter and digital scale to check exact amout, but my question still remains that what is method to put oil in unit for future problems ,and what should be the amount ? can i put oil from suction side or anyelse method and when do a compressor really need oil?

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You can add oil to unit from suction valve but you have to know how much == you have to remove the cmopressor drain it of oil and add the countity that wrighten on it between 500 and 750 cc appro
as i understand your question when you know that the comp needs oil change
its when it is over heated or work at high temp
so you can hear a noise or an usual motor noise
i wish it ok

Posted on Feb 24, 2009

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