Indoor Unit Terminal Board Placement And Wiring - Toshiba MMU-AP0091H Installation Manual

9. INDOOR UNIT TERMINAL BOARD PLACEMENT
AND WIRING
n 4-way air discharge cassette type
Wiring the indoor unit
Be sure to connect wires matching the terminal numbers. Incorrect connection causes a trouble.
Treating of wire connecting port
Using the attached heat insulator, seal the wire connecting ports. Otherwise, a dewing may be caused.
Wiring of remote controller cord
A low-voltage circuit is used for the circuit of the remote controller.
It cannot be come to directly contact with wires of AC 220–415V for 50Hz (
cannot be stored in the same conduit tube.
• For the remote controller cord, 2-core vinyl cab tire round cord (0.3mm²) can be used up to total length 200m,
and the other (0.75mm²) can be used up to total length 500m.
• Connect wires matching symbols of the remote controller with A, B terminals of the terminal block. Never
connect AC 220–240V, 380–415V for 50Hz (
caused.
Wiring of ceiling panel
Mounting of the ceiling panel with auto louver
Following the Installation Manual for the ceiling panel, connect the connector (2P : Red) which is out of the ceiling
panel in the electric parts box.
Cord clamp
AC 220V, 380V for 60Hz
Power supply Indoor/Outdoor inter-unit cable/
terminal block Remote controller terminal block
U U
R(L) S(N) 1
Cord clamp
97
AC 220V, 380V for 60Hz
) power source. If doing so, a trouble is
A B
2
Earth line
Connecting
cable
), or also
R S
(L) (N)