Service Manual
Technical Information
38
2. Other function
2.1 Swing
When the fan operates, if swing is set, the swing motor will operate; When swing stops, the louver will stop in the
position at that time.
2.2 Buzzer
Upon energization or operation, the buzzer will give out sound.
2.3 Sleep function
a.In Cool, Energy-saving or Dry mode, 1 hour after setting Sleep function, Tpreset will increase 1 (2 ); 2hours
later, Tpreset will not increase 2 (4 ) totally. Then, the setting temperature will not change, but the upper limit of
setting temperature is 30 (86 ).
b. In heat mode, 1 hour after setting Sleep function, Tpreset will decrease 1 (2 ); 2hours later, Tpreset will not
decrease 2 (4 ) totally. Then, the setting temperature will not change, but the lower limit of setting temperature is
16 (61 ).
c. In Auto and Fan mode, there is no Sleep function.
d. If Sleep function has been set, the mo
e. Display of setting temperature is the same as that displayed in the remote controller, it will not automatically increase
or decrease with the increase or decrease of setting temperature.
f. Only by pressing Sleep and Mode buttons can cancel the Sleep function.
de change will cancel the Sleep function.
2.4 Auto fan speed
a. Auto fan speed under heating mode or auto fan mode:
Tamb
Tpreset - 2
4
High speed;
Tpreset-2
4
Tamb.
Tpreset
Medium speed;
Tamb. Tpreset
Low speed;
b. Auto fan speed under cooling mode
Tamb T 2
4
High speed;
Tpreset
Tamb.
T 2
4
Medium speed;
Tamb. Tpreset
Low speed;
c. If under dry mode, the auto fan speed will be always low speed. Only LED lamp for low speed is on.
2. 5 Alarm for Cleaning Filter
After the cumulative running of fan reaches 250h, the LED lamp of cleaning filter is on to remind customer of cleaning filter.
2.6 Timer Function
a. Timer on: it can be set when the unit is turned off. Set time range of timer is 0.5h~24h. The interval of each setting
is 0.5h. When timer on is reached, the unit will operate at set mode.
b. Timer off: it can be set when the unit is operating. Set time range of timer is 0.5h~24h. The interval of each setting
is 0.5h.When timer off is reached, the unit will be turned off.
2.7 Memory Function
When the unit is energized again after power failure, it will resume the previous operation status. If the unit is
operating when power failure occurs, the compressor will be started up in 3 min later as the unit is energized again.