Fujitsu AOU48RLXFZ Design & Technical Manual page 133

INSTALLATION
Connection Pattern
Note: Connection pattern is different according to type of Indoor unit.
Indoor unit types
Compact Cassette type
Slim Duct type
Compact Wall Mounted type
Wall Mounted type
Pattern A
Connect the end of remote controller cable directly to the exclusive terminal block.
M4 screw
Remote
controller
cable
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.
Connecting
cable
White
Red
Remote controller
cable
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.
Connecting
cable
Remote controller
cable
Connection Pattern
Pattern A
Pattern B
Pattern C
Remote controller
terminal block
White
Red
Black
Insulated
connection
Black
Terminal
(CN301)
Terminal
(CN305)
Communication kit
(UTY-XCBXZ1)
- (05 - 16) -
Outdoor unit /
Power supply
terminal block
Indoor unit
PCB
Indoor unit PCB
5. CONTROL SYSTEM