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Installation
 Connection pattern
NOTE: Connection pattern is different according to type of Indoor unit.
Indoor unit type Connection pattern
Compact cassette
Pattern A
Cassette
Slim duct
Duct
Floor/Ceiling
Ceiling Pattern B
 Pattern A
Connect the end of remote controller cable directly to the exclusive terminal block.
PCB
M4 screw
Terminal block
Remote controller cable
Remote controller
terminal block
Outdoor unit or Power supply terminal
block or Remote controller terminal block
NOTE: It may be failed if it is connected to the outdoor unit or the terminal block for power sup-
ply.
 Pattern B
1. Modify the remote controller cable as follows:
• Use a tool to cut off the terminal on the end of the remote controller cable and then re-
move the insulation from the cut end of the cable as shown in following figure.
• Connect the remote controller cable and connecting cable as shown in following figure.
• Be sure to insulate the connection between the cables.
13/16 in.
(20 mm)
Remote controller cable
Connecting
cable
White
Red
White
Red
Black
Insulated
connection
Black
2. Connect the remote controller cable.
• Connect the cable made in step 1. to the indoor unit PCB.
Remote controller cable
Connecting cable
Indoor unit PCB
- 248 -
7-4. Wired remote controller (UTY-RNNYM) 7. Remote controller
SYSTEM
DESIGN
SYSTEM
DESIGN
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