Daitsu CDV-46 Manual page 52

Wired Controller CDV-46
Fig. 6.10 Setting of Quiet function in Fahrenheit
Note:
① When Quiet function is enabled, indoor unit will operate at quiet fan speed.
Fan speed is lowered so as to reduce the noise of indoor fan motor.
② When Auto Quiet function is enabled, indoor unit will change fan speed
automatically according to room temperature. After room temperature
reaches a set point, unit will operate at quiet fan speed.
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