Toshiba Carrier MMDMMD-AP0120VHG2UL Installation, Operation And Maintenance Manual page 34

SPECIAL INSTRUCTIONS—ELECTRICAL WORK
■Connection wiring
Connect power cables, earth wires, and communication cables to the specified terminals on the terminal
block.
■Power supply wiring and ground wire
1. Strip the wire ends.
Power supply wire : 0.4" (10mm)
2. Match the wire colors with the terminal numbers on the units' and circuit breakers' terminal blocks and
firmly screw the wires to the corresponding terminals.
3. Secure the ground wire with the ground screw.
■Communication cables (U1/U2)
In a central control system, connect the copper braid shield of central control wire (2-core shielded
wire).
1. Strip the wire ends
Communication cable (U1/U2) : 0.4" (10mm)
2. Connect shield wire to the screw terminal.
The remote control wire (communication line) and AC208/230V wires cannot be run in parallel, make
contact stored in the same conduits, or noise may be caused in the control system.
■Remote control wiring

Since the remote control wire has non-polarity, the connections to the terminal blocks A and
B may be reversed.

For wiring and installation, refer to the installation manual enclosed to in the remote control.
▼ Wiring diagram
Terminal block for
Remote controller wiring of
indoor unit
■VRF Address Set Up
Set up the addresses as per the Installation manual supplied with the outdoor unit.
035-000051-001
CAUTION
Remote control wire (Field supply)
A
B
Page 34 of 60
Remote control unit
Terminal block for remote
control wiring
MMD IOM 1.2 11-10-2020