MUND CLIMA MUCH-20-H4, Operation Manual, Page: 19 / 43

Ducted Split Type Air-Conditioning
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5.13 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, press▲ or ▼ button to switch between Quiet and Auto Quiet and then press Enter/cancel button to turn on
this function.
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.5.13
Fig.5.13 Quiet function setting
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 between room temperature and setting temperature 4 , fan will keep its current speed;
if 2 temperature difference 3 ; fan speed will be reduce one grade ,but if it is at min. grade, it is un-
adjustable.; if temperature difference 1 , fan speed will be at min. grade
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.