Hisense ADM-24UX4SGKA Service Manual page 21

6 . C O N T R O L M O
6 . C O N T R O L M O
When T – T
a.
set £¾
room
When -3¡æ ¡Ü T
b.
room
When T – T
c.
set £¼
room
After the first run in the cooling or heating mode, the mode will be changed as the
following:
a. When T – T
set £¾
room
b. When T – T
set £¼
room
c. When these conditions are not met, it will remain in the previous run mode.
When the temperature setting is changed, re-judgment will be made for the run mode
according to the descriptions mentioned above; when the compressor is halted for 10
minutes, the re-judgment will be made for the run mode.
4.1.1 Switch between the cooling and heating mode:
T
ambient
t
set
t
s
t
set
Cooling
4.1.2 Cooling→heating turnover operation
Cooling→heating: the compressor stops; 50 s later the 4-way valve is activated and 3
minutes more the compressor turns on.
Heating→cooling: the compressor stops, 50 s later the 4-way valve is interrupted and
3 minutes more the compressor turns on.
4.1.3 There is a temperature compensation during the auto-run, which is same as
cooling and heating.
4.2 Cooling-run mode
4.2.1 Temperature compensation
Principle for compensation: The compensation is available only if the proper sensor is
used and it is not available when it is subject to the sensor on the remote controller.
4.2.2 Outdoor Fan
The outdoor fan' s speeds are divided into three levels which can be changed over
according to outdoor ambient temperatures.
When operating at a fixed frequency, the outdoor fan is forced to operate at the high
speed.
4.2.3 Indoor fan
When the fan speed is set at the high, medium and low fan speeds, the fan runs at a
D E L
D E L
3¡æ £¬ it starts in the cooling mode;
– T 3¡æ £¬ it starts in the ventilation run mode;
set ¡Ü
-3¡æ , it starts in the heating mode.
3¡æ , it will be changed to the cooling mode;
-3¡æ , it will be changed to the heating mode;
Heating
18
A D M - 2 4 U
A D M - 2 4 U
Cooling
X 4 S G K A
X 4 S G K A