TCL TAC-07CS/K Service Manual page 8

Room Temp.
Set TEMP. ＋1 ℃
Set TEMP. －1 ℃
Time
Indoor Fan
Compressor
Outdoor Fan
4. "DRY" Mode Operation
(1) The system for DRY operation used the same refrigerant circle as the cooling circle.
(2) When the system operates in DRY mode ,at first it operates in cooling mode at 18 ℃ for 3 minutes, and
then, the system operates in cooling mode with low speed that regards the temperature of the room
temperature sensor reads decrease 2℃ as the set temperature. During the course of this, the fan speed
setted operation is failing but the vane motor can be controlled.
5. "HEATING" Mode Operation (Only available for Heat Pump)
(1) When the HEATING mode is selected without setting temperature, the system will set the temperature at 23
℃ automatically with the AUTO FAN speed.
(2) When selecting the HEATING mode operation, the system will operate according to the setting by the
remote controller and the operation is as following:
Set Temp. ＋1 ℃
Set Temp. －1 ℃
Room Temp.
Time
Compressor
Outdoor fan
(3) In HEATING mode, the indoor fan motor is controlled by Cold Air Prevention Control.
(4) Cold Air Prevention Control
The function is intend to prevent cold air from being discharged when the heating operation starts or
when defrosting.
The indoor fan speed will be controlled as following:
The vane angle is at the angle C(100°).
34 ℃
30 ℃
27 ℃
25 ℃
23 ℃
TCL Air Conditioner Service Manual
More than 2 min More than 2 min
Set Speed Set Speed
ON OFF
ON OFF
More than 2 min More than 2 min
ON OFF
ON OFF
OFF UL
More than 2 min
Set Speed
ON
ON
More than 2 min
ON
ON
Set Speed
8
More than 2 min More than 2 min
Set Speed Set Speed
OFF ON
OFF ON
More than 2 min More than 2 min
OFF ON
OFF ON
UL OFF UL