Unitary Ducted Split AC
2
1. Installation of the Wired Controller
1
2
3
4
Fig.1 Installation Diagram
Step 1: Press the button at the top of the wired controller to remove the front panel and the
bottom plate.
Step 2: Reinstall the bottom plate in accordance with the locating holes either shown in the
figure above or decided by the user.
Step 3: Conduct the wiring and see section 2 for more details.
Step 4: Reinstall the front panel.
2. Wiring Terminals of the Wired Controller
Fig 2 Wiring Terminals Diagram
Table 1
Terminal Code
Description
C
24 Volt (Neutral)
R
24 Volt Emergency (Hot)
O
Four-Way Valve
G
Indoor Unit
Y1
Compressor 1
Y2
Compressor 2(Reserved)
W1
Auxiliary Electric Heater 1
W2
Auxiliary Electric Heater 2
L
Temperature Sensor Error Output
A
485 Communication Port
B
485 Communication Port
