24
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
1:1 System
<For models without heater>
* The optional indoor power supply terminal kit is required.
S1
S2
L
N
1
2
L
N
S1
S2
S3
S3
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
Outdoor unit power supply
Earth leakage breaker
Wiring circuit breaker or isolating switch
Outdoor unit
Indoor unit/outdoor unit connecting cords
Remote controller
Indoor unit
Option
Indoor unit power supply
<For models without heater>
* The optional indoor power supply terminal kits are required.
Simultaneous twin/triple system
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
*1. A breaker with at least 3 mm contact separation in each pole shall be provided. Use earth leakage breaker (NV).
*2. Max. 120 m
*3.The 10 m wire is attached in the remote controller accessory. Max. 500 m
*4.The figures are NOT always against the ground.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cords and indoor unit/outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord.
(Design 60245 IEC 57)
3. Install an earth longer than other cables.
Indoor unit model
Indoor unit power supply
Indoor unit input capacity
*1
Main switch (Breaker)
Indoor unit power supply
Indoor unit power supply earth
Indoor unit-Outdoor unit
*2
Indoor unit-Outdoor unit earth
Remote controller-Indoor unit
*3
Indoor unit L-N
*4
Indoor unit-Outdoor unit S1-S2
*4
Indoor unit-Outdoor unit S2-S3
*4
Remote controller-Indoor unit
*4
RP35~140
~/N (single), 50 Hz, 230 V
16 A
2
%
Min. 1.5
1
%
Min. 1.5
2
%
Min. 0.3
–
2
%
0.3 (Non-polar)
AC 230 V
–
DC24 V
DC12 V
Circuit
rating
Wiring
Wire No.
%
size
(mm
2
)
If the indoor and outdoor units have separate power supplies, refer to the table
below. Change the indoor unit electrical box wiring referring to the figure in the
right and the Jumper wire JB settings of the outdoor unit control board.
Please turn on the power supply of the outdoor unit first. Afterward, please turn on
the power supply of the indoor unit.
Indoor unit electrical box connector
connection change
Label affixed near each wiring diagram
for the indoor and outdoor units
Outdoor unit jumper wire (when using
separate indoor unit/outdoor unit
power supplies only)
Indoor unit specifications
Required
Required
* There are three types of labels (labels A, B, and C). Affix the appropriate labels to
the units according to the wiring method.
Jumper wire JB is cut.
Outdoor unit power supply
Earth leakage breaker
Wiring circuit breaker or isolating switch
Outdoor unit
Indoor unit/outdoor unit connecting cales
Remote controller
Indoor unit
Option
Indoor unit power supply
Indoor unit earth
L
N
L
N
S1
S2
S3
S1
S2
S3
1
2
L
N
S1
S2
S3
1
2
L
N
S1
S2
S3
1
2
L
N
S1
S2
S3
1
2
Electric heater
(For models with
heater)
Connectors (connections when shipped
from the factory are for indoor unit power
supplied from outdoor unit)
Indoor unit power supplied from outdoor unit
(when shipped from factory)
If the indoor and
outdoor units have
separate power
supplies, change the
connections of the
connectors as shown
in the following
figure.
Connectors
Indoor unit
control board
Separate indoor unit/outdoor unit power
supplies
Electric heater
(For models with
heater)
S1
S2
S3
L
N
BLUE
BLUE
YELLOW
YELLOW
CND
CND
ORANGE
CND
ORANGE
S1
S2
S3
L
N
YELLOW
BLUE
BLUE
YELLOW
CND
Indoor unit
control board
9-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES
OC379F