Toshiba SUPER MMK-AP0073H (IN) Service Manual page 34

10
ELECTRIC WORK
n Wired remote controller wiring
• As the wired remote controller wire has non-polarity, there is no problem if connections to indoor unit
terminal blocks A and B are reversed.
u Wiring diagram
Terminal block for
remote controller wiring
of indoor unit
A
B
Wired remote controller wire
(Procured locally)
Terminal block
A
Wired remote controller unit
B
n 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 (accord-
ing 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 , , ,
U U A
1 2
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.
Terminal block for control/
wired remote controller wiring
U U A B
1 2
Wired remote
controller wire
Cord clamp
<Connecting wired remote controller wire>
Power supply terminal block
Terminal block for
communication/
remote controller wiring
Cord clamp
Terminal
cover
Earth screw
Clamp base
Screws
Screw
95mm
20mm
Screw
Power supply wire
N
L
10mm
about 150mm
75mm
B
<Stripping length of the power supply wire>
R(L) S(N)
Terminal block for
control/wired remote
controller wiring
U 1 U 2 A B
Control wire
Cord clamp
Earth screw for power supply wire Earth screw for shield wire
<Connecting control wire>
R(L) S(N)
Power supply
terminal block
U U B A
2 1
Cord clamp
Power
supply wire
<Connecting power supply wire>
R(L) S(N)
Earth line
Earth wire for
shield wire
Earth wire for
power supply wire
Clamp base
Earth screw