Automatic Run (Smart) Mode; Switch Between The Cooling And Heating Mode - Hisense AS-09UR4SVNVG1 Service Manual

6 . C O N T R O L M
6 . C O N T R O L M
operation automatically.

6-3-6 Automatic run (SMART) mode

If there is no man-machine communication function after the unit is
started, the indoor fan operates at the ultra-low flowrate for 20 seconds
before selecting a run mode; the room temperatures are detected during
this period for the selection of a run mode.
In the first operation:
When T – T
a.
room
When -3℃≤T
b.
When T – T
c.
room
After the first run in the cooling or heating mode, the mode will be
changed as the following:
a. When T – T
room
b. When T – T
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.

6-3-6-1 Switch between the cooling and heating mode:

T
ambient
t +3
set
t
set
t -3
set
O D E
O D E
＞3℃， it starts in the cooling mode;
set
– T ≤3℃， it starts in the ventilation run mode;
room set
＜-3℃, it starts in the heating mode.
set
＞3℃, it will be changed to the cooling mode;
set
＜-3℃, it will be changed to the heating mode;
set
Cooling Heating mode Cooling