the same as setting temperature. It is 
available under cooling, heating, auto 
mode. 
④ ON/OFF indication :  
When  it  is on, the  icon  display, 
otherwise it is extinguished. 
⑤ Fan speed  indication :  
There  are  four fan modes : low, middle, 
high, auto. For some models, no middle  
fan then the middle fan is seen as high    
speed. 
⑥ Lock:  
When the " LOCK " button is pressed, 
the icon appear and other buttons  is  
unable, press again, the  icon disappear. 
⑦ Temperature display zone:  
Generally it displays setting tempera-
ture, it can be adjusted by press 
temperature button ▲  and ▼. But in fan 
mode, no display here. 
4 
5. INSTALLATION METHOD 
5-Core Shield Cable
5-way terminal
Emitter tube
Indoor Unit
RUN
GND
+5V
Indoor switch board
Wire Controller