– 16 –
EN
ID
ID
1. Remove the cover of the electrical control box by taking off the mounting screws (2 positions) and pushing the
hooking section. (The cover of the electrical control box remains hanged to the hinge.)
2. Connect the power supply wire and remote controller wire to the terminal block of the electrical control box.
3. Tighten the screws of the terminal block, and fix the wires with cord clamp attached to the electrical control box.
(Do not apply tension to the connecting section of the terminal block.)
4. Using the attached heat insulation material, seal the pipe connecting port. Otherwise, dewing may be caused.
5. Mount the cover of the electrical control box without pinching wires.
(Mount the cover after wiring on the ceiling panel.)
L N
R
(L)
10
10
50
70
S
(N)
Hinge
Screws in 2 positions
Louver connector
(CN510: White)
Side D (Space: 8.5 mm)
Side C (Space: 4 mm)
* Cable clamp can be attached on left side.
Wire
type
Specification
Cable clamping
position
Cabtyre
cable
3-core stranded
wire 2.5 mm²
Side D
Cabtyre
cable
4-core stranded
wire 1.5 mm²
Side C
Adhered surface
Notched section
Heat insulation to wiring
connecting port
Power supply terminal block
Indoor / Outdoor
inter-unit wire /
Remote
controller
terminal block
Cord clamp
Earth wire
Power supply wire
Uv(U1) Uv(U2) A B
Remote controller wiring
As the remote controller wire has non-polarity, there is no problem if connections to indoor unit terminal blocks A
and B are reversed.
Wiring diagram
A
B
A
B
Terminal block for
remote controller
wiring of indoor unit
Remote controller wire
(Field supply)
Terminal block
Remote
controller unit
■
Wiring between indoor unit and outdoor units
NOTE
•
A wiring diagram below is an example for connection to SMMS-u series. For connecting to other outdoor unit
series, refer to the Installation Manual attached to the outdoor unit to be connected.
▼
Wiring example
Outdoor Power supply
380-415V ~, 50 Hz
380V ~, 60 Hz
Circuit breaker
Earth
terminal
S: The ground of a
shielded wire
Indoor unit
Remote controller
Remote controller
Remote controller
Indoor power supply
220-240V ~, 50 Hz
208-230V ~, 60 Hz
Circuit breaker,
Power switch
Pull box
Pull box
Pull box
Group control
Earth
Indoor unit
Earth
Indoor unit
Earth
Indoor unit
Earth
S: The ground of a shielded wire
Control wiring between outdoor units (Shield wire)
Control wiring between indoor and outdoor units (Shield wire)
Control wiring between indoor units (Shield wire)
Earth
terminal
Outdoor unit
Header outdoor
Outdoor unit
Follower outdoor
Circuit breaker
Outdoor Power supply
380-415V ~, 50 Hz
380V ~, 60 Hz
31-EN
32-EN
