18seer thermostat manual

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
gure 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
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