SMMS High-Wall Type
Installation Manual
– 19 –
Wiring Connection
How to connect the power supply wiring
and control wiring
The power supply wire and the control wire can be
connected without removing the front panel.
REQUIREMENT
Connect the power supply wire after connecting the
control wire for this model.
1. Remove the air inlet grille.
Open the air inlet grille upward and pull it
toward you.
2. Remove the terminal cover and the clamp
base.
3. Insert the power supply wire and control
wire (according to the local rule) into the
pipe hole on the wall.
4. Take the power supply wire out of the cable
slot on the rear panel so that it protrudes
about 150mm from the front.
5. Insert the control wire fully into the control/
wired remote controller terminal block
,
,
,
and secure it tightly with screws.
6. Clamp the control wire with the cord clamp.
7. Install the clamp base with a screw.
8. Insert the power supply wire fully into the
terminal block and secure it tightly with
screws. Tightening torque: 1.2 N·m (0.12
kgf·m) Secure the earth line with the earth
screw.
9. Clamp the power supply wire with the cord
clamp.
10.Attach the terminal cover and the air inlet
grille to the indoor unit.
CAUTION
• Be sure to refer to the wiring diagram attached
inside the front panel.
• Check local electrical cords and also any
specific wiring instructions and limitations.
• Do not catch the control wire when installing the
clamp base.
A
B
U
1
U
2
A
B
Terminal
block
for control/
wired remote
controller
wiring
Wired
remote
controller
wire
<Connecting wired remote controller wire>
Cord
clamp
R(L)
A
B
U
1
U
2
S(N)
R(L)
S(N)
N
L
R(L) S(N)
U
1
U
2
A
B
Earth line
Clamp base
Terminal
Cover
Cord
clamp
Screw
Earth screw
Screw
Screw
20mm
10mm
95mm
75mm
<Stripping length of the power supply wire>
about
150mm
Power
supply wire
Terminal block
for control/
wired remote
controller wiring
Cord clamp
Control wire
Power supply wire
Terminal block for
communication/remote
controller wiring
Power supply terminal block
R(L) S(N)
Earth screw for
power supply wire
Earth screw for
shield wire
Earth screw
Earth
wire for
shield
wire
<Connecting control wire>
<Connecting power supply wire>
Power
supply
terminal
block
Cord clamp
Earth
wire for
power
supply
wire
Clamp
base
19-EN
