GREE              Duct type Ducted Type Split Air-Conditioner Units 
14 
Above is a simple installation method of wired controller. Please pay attention to the following: 
(1)  Before installation, disconnect power of the indoor unit. Do not operate when power is 
connected. 
(2)  Pull out the 2-core twisted pair cable from the installation hole on the wall and lead it through 
the hole    on the back plate of wired controller. 
(3)  Place the wired controller on wall and secure its back plate on wall with screw M4X25. 
(4)  Connect the 2-core twisted pair cable to terminal H1 and terminal H2. Tighten up the screws. 
(5)  Stick the cable in the slot that is left of the terminals and buckle the wired controller’s panel  
with its back plate. 
Note: 
If caliber of the communication cord is too large, which causes difficulty in leading or sticking the 
cord according to above point 2 and point 5, strip some of the sheath of the communication cable to 
meet the installation requirement. 
1.2.3 Removal Method 
 
Fig.2.7Removal of Wired Controller 
1.2.4 Connection of Communication cord 
 
Fig.2.8 One wired controller controls one indoor unit