24
Technical Information
Service Manual
①
②
③
④
⑤
(9) Display
After energizing, the nixie tube and power indicator are all on. Under standby status, power indicator is on. When turning on the unit
with remote control, the nixie tubee displays current set temperature. If light button is turned off, all displays are off too.
6. Special functions
Photoconductive sound and light control
When “auto light” is set by the remote control, the unit will enter photoconductive sound and light control if the indoor controller
detects that the brightness is low. In this case, nixie tube and power indicator display is off. When remote control brightness will be
lower and the sound of buzzer will be lower, too. After 5s, the display will be off again.
I Sense control
1. For the model with I Sense detection device
1.1 Smart sensing swing function:
Under cooling or heating mode, you can set “Smart”, “Follow”, “Avoid” or “Surround” sensing swing function through the remote
control or corresponding APP. I Sense device automatically starts detection. The air conditioner automatically detects human sensing
temperature and quickly enters comfortable sensing status. The air conditioner automatically controls temperature, angle of horizontal
louver and swing angle.
●Smart: according to human sensing device detection, human sensing temperature, indoor temperature and unit operation
parameter, it automatically judge and select to enter comfortable air supply mode, such as Follow, Avoid or Surround.
●Follow: according to human sensing device, it automatically controls up&down swing, left&right swing to supply comfortable air to
the position where people stay.
●Avoid: according to human sensing device, it automatically controls up&down swing, left&right swing to supply comfortable air to
avoid the position where people stay.
●Surround: according to human sensing device, it automatically controls up&down swing, left&right swing to supply comfortable air to
the surrounding where people stay. When the air reaches the position when people stay, it will pass through quickly.
1.2 Nobody energy-saving function
After setting nobody energy-saving function with mobile APP, I Sense device automatically starts detection. When it detects that
nobody in the room, the unit will enter energy-saving operation automatically. The I Sense device will start body heat source
detection. According to the status detected by the I Sense device, if nobody is detected in a certain time and the conditions for
entering nobody energy-saving mode are met, the unit will automatically arrange necessary temperature adjustment to achieve
a beep.
(4) Sleep function:
Under this mode, the unit will operate in suitable sleep curve according to different set temperature.
(5) Turbo function:
This function can be set in cooling or heating mode.
(6) Auto fan speed control:
Under this mode, IDU fan will automatically operate in five fan speeds of high, medium high, medium, medium low and low according to
the changes of ambient temperature.
(7) Left&right swing control:
Select different left&right swing directions according to the left&right swing remote control status.
Position
①
, position
②
, position
③
, position
④
, position
⑤
, left&right swing from position
①
~
⑤
,
stop position, position
①
⑤
, confronted swing.
(8) Up&down swing control:
Up&down swing consists of two parts: swing mechanism and swing louvers;
After energizing, swing mechanism will arrange reset action and then extend to the maximum angle before closing;
After turning on the unit, the mechanisam will extend to different length according to the remote control status. The swing louvers has two
kinds of situation in the view of position: upper part swing and lower part swing;
If fixed-angle swing is selected, three different position swing for air supply can be selected;
If unrestricted swing is selected, the unit will arrange lower part swing during heating and arrange upper part swing during cooling;
For detailed position, please refer to the following figure:
Diagram of swing louver position
Initial status after
finishing reset
Lower part swing
Upper part swing
