C&H GTH18K3BI, Owner'S Manual

Page: 6 / 39

Operating Mode Setting
SWING
TIMER
This key is pressed consecutively, the operating mode shall change as per the
following sequence:
Cooling Dehumidifying Fan Heating Auto
When the unit operates under “Cooling” mode, “COOL” shall be displayed. Now
the set temperature must be lower than the ambient temperature. Now if the set
temperature is higher than the ambient temperature, the unit shall not produce
cooling effect but shall only operate under. Fan mode. When the unit operates
under “Dehumidifying” mode, “DRY” shall be displayed. Now the interior fan
shall operate in the manner of low speed air supply within a certain range of
temperatures. The dehumidifying effect of this mode is better than that of the
Cooling mode and saves more energy.
When the unit operates under “Heating” mode, “HEAT” shall be displayed. Now
the set temperature must be higher than the ambient temperature; Now if the set
temperature is lower than the ambient temperature, the heating function shall not
be started.
When the unit operates under “Fan” mode, “FAN” shall be displayed. When the
unit operates under “Auto” mode, “AUTO” shall be displayed and the unit shall
adjust its operating mode automatically according to the ambient temperature.
When the unit operates under Heating mode and the outdoor temperature is low
and the humidity is high, frost shall produce at the outdoor unit. Now the heating
efficiency shall be decreased. When frosting hap- pens, the controller shall
automatically start to defrost, and “DEFROST” shall be displayed.
Note: Cooling only type unit does not have heating mode and when energy saving
is set the Auto mode shall be invalidated.