¢ Installation
• Connection pattern
NOTE:
Connection pattern is different according to type of Indoor unit.
Indoor unit type Connection pattern
All cassette type Pattern A
All duct type Pattern A
All floor type Pattern A
Floor/Ceiling type Pattern A
All ceiling type Pattern A
All wall mounted type Pattern B
• Pattern A
1. Connect the end of remote controller cable directly to the exclusive terminal block.
2. Set the DIP switch (SW1) to “3WIRE” on the PCB of the indoor unit.
Terminal block
Functional grounding
(If necessary)
Remote controller
cable
Set to "3WIRE" the
DIP switch (SW1)
Indoor unit
PCB
Y1
Y2
Y3
Black
White
Red
NOTES:
• Layout of terminal block and PCB is varies depending on the type of indoor unit.
• Operation may fail if it is connected to the outdoor unit or the terminal block for power
supply.
2-9. Wired remote controller (UTY-RNK) - (05-70) - 2. Control units
CONTROL
SYSTEM
CONTROL
SYSTEM
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