5. CONTROL SYSTEM
INSTALLATION
Connection Pattern
Note: Connection pattern is different according to type of Indoor unit.
Indoor unit types Connection Pattern
Compact Cassette type
Pattern A
Slim Duct type
Compact Wall Mounted type Pattern B
Wall Mounted type Pattern C
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
Indoor unit
Outdoor unit /
Power supply
terminal block
Note: It may be failed if it is connected to the outdoor unit or the terminal block for power
supply.
Pattern B
1) Modify the remote controller cable as per below methods.
Use a tool to cut off the terminal on the end of the remote controller cable and then remove ●
the insulation from the cut end of the cable as shown in Fig.
Connect the remote controller cable and connecting cable as shown in Fig. ●
Be sure to insulate the connection between the cables. ●
25/32 in.
(20 mm)
Remote controller
cable
Connecting
cable
Insulated
connection
Red
Red
White
White
Black
Black
2) Method of connecting remote controller cable
Connecting cable made by above-mentioned 1) is connected with terminal (CN305) of ●
optional communication kit (UTY-XCBXZ1).
Cable connected with terminal (CN301) of communication kit (UTY-XCBXZ1) is connected ●
with PCB of Indoor unit.
Remote controller
cable
Connecting
cable
Communication kit
(UTY-XCBXZ1)
Indoor unit PCB
Terminal
(CN301)
Terminal
(CN305)
- (05 - 16) -
CONTROL
SYSTEM
CONTROL
SYSTEM
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