Question about DeLonghi Pinguino PAC-77E Air Conditioner

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How do you check a portable air conditioner for freon

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If there are high and low pressure ports, you can put guages on them. If it's a sealed system, all you can really do is feel the suction line (the fatter one) it should be cold. The high side (thinner one) should be warm.

Posted on Jul 16, 2010


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dear sir

please test your aircon with digital temperature meter i mean take first room temperature data then check your aicon flow air temperature it should be lower than to 20-22 degree Celsius if it,s not low like this
then it can be low freon problem in your aircon system.

thank you
hope answer the question

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1 Answer


yes we charge freon if it leaks out, but we fix the leak first. but also it may have electrical problem only, better get it check with a technician

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