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Fujitsu defrosting hourly

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Ringo
Ringo Member Posts: 1
in A-C, Heat Pumps & Refrigeration
I had a Fujitsu mini split installed a couple months ago for heat, Some times it defrosts as often as 40 minutes after the last time, and can take up to 20 minutes. Is this normal??

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  • Jack
    Jack Member Posts: 1,047
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    Not to contribute to the problem...

    What temperature is it outside? My 12RLS goes into defrost a few times a day and may take 5-7 min to defrost. That comes in at around 32F. It then immediately comes back on and rocks heat output wise. Your refrigerant pressure may be low.
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