Mitsubishi M-Series Minisplit Fan Speeds
Hello! Asking anyone with an Mitsubishi M-series system. I have a 9000-class and a 15000-class unit on the same MXZ system. When using auto-fan mode on the 9000-class unit, all of the possible fan speeds are utilized and when the unit is at or near setpoint the “quiet” fan speed is used. For some reason the 15000-class unit does not operate the same way. When near or at the set-point, the second-from-lowest fan speed is used. If I want the unit to operate in it’s lowest fan speed, I have to manually change from “Auto” to “Quiet” fan. Has anyone else noticed this? This seems to be limiting the 15000-class unit’s ability to modulate because the range of possible air flow rates is limited.
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