HOMCOM 823-009V90 Manuel D'instructions page 22

D. Drying your room
Press MODE button on the control panel or remote control, the LED of
DRY operation lights up. The fan speed is unable to select. User should
connect the hose to the drain outlet at the bottom of the unit.
Note: In this mode, the fan speed switches over to low speed and cannot
be selected.
E. Sleep mode （ this function can only be used with a
remote control）
The sleep mode can be activated when in cool mode and heat mode.
In cool mode :

After 1 hour the preset temperature is increased by 1 ℃, after another
hour the preset temperature will again be increased by 1 ℃.
In heat mode（Optional for Heating Function Unit only) :

After 1 hour the preset temperature is decreased by 1 ℃, after another
hour the preset temperature will again be decreased by 1 ℃.
Then the temperature is kept constant for 10 hours. And all the indicators dim
to dark. The fan speed may switch over to low speed for silent operating and
cannot be selected.
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