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Fujitsu ductless minisplit fan speed in heat mode

johns3km | Posted in General Questions on

My wall unit (RLF1 12k), hooked up to the wired thermostat, seems to limit its fan speed in auto fan mode, even at the expense of going below the set point. I know it’s not maxing out b/c I can toggle from auto to high and it immediately goes to full blast. Anyone see this or know the reasoning behind it?

Second floor unit, in AC mode, auto fan, doesn’t seem to exhibit this behavior and will max out as needed. 

Kevin

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