X  Y  E F1 F2 E  FORCED ON EMG.STOP  L N 
 
(GB845/ST3.9*25) 
 
  
~ 
  
0 0 ~  15  
ON 
1 
2 
3 
Insert the flathead screwdriver into the 
concave on the upper side of the box,  
and rotate slightly to open the upper cover(3 places).  
Fix the screws of the centralized controller 
Base 
Front cover 
Address dial code 
Dial code 
Dial code position 
Address range 
Fig. 1.2 Installation diagram 
Forced on 
switch 
Emergency  
stop switch 
L、N terminals
(198V~242V)/(50/60Hz)
Communication terminal with computer 
Communication terminal with air conditioner 
Fig.1.3 Terminal instruction of centralized controller 
Installation & Owner‘s Manual