Minisplit ice and pan heaters
We recently had a Mitsubishi FH12NA hooked up. Its been running for 6 days with a few below zero nights (northern NH). The ice formed below the pan is substantial (I will try to add a picture after as this post keeps erroring). There does not appear to be any ice on the coils, just a 1/4-1/2″ coating the tray. The unit does not have a tray heater, an energy hit I was hoping to avoid. My local installer has the FH15NA at his house without the pan heater and said it wouldn’t be a problem. Should I be worried? How much ice buildup is normal? This ice mound is going to get bigger (obviously a tray heater won’t change that).
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