GREE ELECTRIC GUHD09NK3CO Service Manual page 62

U-Match Series DC
Inverter Service Manual
4.4.13 Quiet Function Setting
Quiet function consists of two kinds: QUIET and AUTO QUIET.
Press Function button till the unit enters quiet function setting state, Quiet or Auto Quiet mark blinks. In this case,
In quiet mode, press Function button till the unit enters quiet function. In this case, Quiet or Auto Quiet icon blinks
and then press Enter/cancel button to cancel this function.
Quiet function setting is shown in Fig.4.4.13
Note:
1. During quiet function, fan speed is un-adjustable.
2. When turning on auto quiet function, the unit will enter quiet running state according to temperature difference
between room temperature and setting temperature. In this case, fan speed is adjustable. If temperature difference
3. In auto quiet mode, fan speed can not be raised but reduced. If high fan speed is manually adjusted, auto quiet
mode will quit.
4. There is not auto quiet function in fan or dry mode. Quiet off is default after power failure and then power
recovery.
5. If quite function is set, turbo function will be canceled.
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Fig. 4.4.13 Quiet function setting