Toshiba MML-UP0071BH-UL Installation Manual page 12

 Wire connection
REQUIREMENT
• Connect the wires matching the terminal numbers.
Incorrect connection can cause problems.
• Pass the wires through the bushing of wire connection
holes of the indoor unit.
• Keep a margin (Approx. 3.9" (100 mm)) on a wire to
hang down the electrical control box for servicing or
other purpose.
• The low-voltage circuit is provided for the remote
control. (Do not connect it to high-voltage circuit)
• Remove the mounting screws from electrical control
box cover. Detach the cover from the electrical
control box.
• Connect the wires to the terminal block and tighten
the screws. Fix the wires with the cord clamp
attached to the electrical control box.
(Do not apply tension to the connecting section of the
terminal block.)
• Mount the cover of the electrical control box without
pinching wires.
Indoor / Outdoor control
Ground
Power supply
wire Remote control
screw
terminal block
terminal block
Uv(U ) Uv(U ) A B
L1 L2 1 2
L1 L2
Cord clamp Remote
Control wire
control wire
between indoor
Power supply wire
and outdoor units
21-EN
0.8" (20)
2.0" (50)
L L
1 2
0.4" (10)
Ground wire
CAUTION
Firmly tighten the screws of the terminal block.
Keep the wire length as shown in figure below when it
is connected to the terminal block.
Power supply wires and control
wire
When installing the side cover, take care that the side
cover does not pinch the surplus part of the cord clamp.
Cord clamp
Cord clamp
Surplus part of the cord clamp
– 11 –
 Remote control wiring
Unit: in (mm)
Strip off approx. 0.4
"
As the remote control wire has non-polarity, there is no
problem if connections to indoor unit terminal blocks A
and B are reversed.
▼ Wiring diagram
Terminal block for
remote control wiring of
indoor unit
A
B
Remote control wire
(Locally procured)
 Address setup
Set up the addresses as per the Installation Manual
supplied with the outdoor unit.
Unit: in (mm)
(9 mm) the wire to be connected.
Terminal block
Remote
A
control unit
B
22-EN