Indoor Unit - Toshiba Carrier RBM-Y0383FUL Manuel D'installation

System wiring diagram
Outdoor Power Outdoor Power
supply supply
Power supply
8 8 8
6
L N
Ground
U1 U2
terminal
U3 U4
1 2
Ground Ground
L1 L2 L3 U1 U2 U3 U4 U5 U6 L1 L2 L3 U1 U2 U3 U4 U5 U6
terminal
terminal
Control wiring between
outdoor units
Control wiring between indoor
and outdoor units
3 3
4 4
U1 U2 U1 U2
CN CN
CN81 CN81
02 02
CN CN
01 01
Ground Ground
Ground Ground
terminal terminal
terminal terminal
L1 L2 A B
5
A B
9 8
7
Power supply
208/230 V~, 60 Hz
NOTE
Control wire and power wire between FS unit and indoor unit are the accessory parts of FS unit. (Wire length: 19.6 ft
(6 m))
If the length between indoor and FS unit exceeds 16.4 ft (5 m), connect by using the connection cable kit sold
separately (RBC-CBK15FUL).
EN-19
Header outdoor unit
Follower outdoor unit

Indoor unit

Flow Selector (FS) unit
Remote control
Central remote control
Pull box
Circuit breaker
Main switch
Group control
When connecting the plural indoor
units to a FS unit.
3 3
4
U1 U2 U1 U2
CN
CN81
02
CN
01
Ground Ground Ground
terminal terminal terminal
L1 L2 A B L1 L2 A B L1 L2
5 5
A B A B
7 7
Indoor unit
See also the Installation Manual supplied with the indoor unit.
CAUTION
The power wire (3-core) provided as an accessory part must be connected through a conduit without fail.
• Remove the electrical parts box cover from the indoor unit.
• The knockout of conduit plate is removed and conduit is installed in conduit plate.
• Connect the faston (L1) and (L2) on the attached wire (power supply) to a free area on the (L1), (L2) terminal block
for power supply.
• Connect the ring terminal of the attached wire (power supply) to the ground screw.
• Connect the connector (Black) of the attached wire (control wiring) to CN81 on the indoor P.C. board.
• Secure the two attached wires with the attached cord clamp.
(Be careful not to apply tension to the wires and connectors.)
• Check that the wires are not pinched, and then attach the cover.
A B
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