Design and Technical Manual

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
Wall Mounted type
ASU7RLF1, ASU9RLF1, ASU12RLF1
Pattern BASU7RLF, ASU9RLF, ASU12RLF
ASU9RLS2, ASU12RLS2, ASU15RLS2
ASU18RLF, ASU24RLF
Pattern C
Floor type
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. ●
13/16 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 (*1) of optional ●
communication kit.
Cable connected with terminal (*2) of communication kit is connected with PCB of Indoor unit. ●
*1: CN305 (for ASU7RLF, ASU9RLF, ASU12RLF: UTY-XCBXZ1)
CNC01 (for ASU9RLS2, ASU12RLS2, ASU15RLS2: UTY-TWBXF)
CNC01 (for ASU7RLF1, ASU9RLF1, ASU12RLF1: UTY-XCBXZ2)
*2: CN301 (for ASU7RLF, ASU9RLF, ASU12RLF: UTY-XCBXZ1)
CND01 (for ASU9RLS2, ASU12RLS2, ASU15RLS2: UTY-TWBXF)
CND01 (for ASU7RLF1, ASU9RLF1, ASU12RLF1: UTY-XCBXZ2)
Remote controller
cable
Connecting
cable
Communication kit Indoor unit PCB
Terminal
(*2)
Terminal
(*1)
- (05 - 22) -
CONTROL SYSTEM CONTROL SYSTEM