3-13. External switch controller (UTY-TERX)
• Switching of air conditioner settings can be performed using an External
switch controller and a third-party device.
• On/Off, temperature, fan speed, operating mode, and remote controller pro-
hibition mode can be switched using external device, such as a room card-
key.
• Card-key or other sensor switches are available as a locally purchased
parts.
¢ Accessory
Name and shape Q’ty Application
Cable tie
4 For securing controller cable
Screw (M4 × 16 mm)
3 For installing the External switch controller
Installation manual
1
¢ System diagram
A B
C
Indoor Unit
SW
External
input cable
External switch
controller
Remote
controller cable
Remote
controller cable
Remote controller
Use A B B + C
2-wire type 50 m or less — 500 m or less
3-wire type 50 m or less 25 m or less 500 m or less
3-13. External switch controller (UTY-TERX) - (05-190) - 3. Adaptor/Convertor units
CONTROL
SYSTEM
CONTROL
SYSTEM
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