28
9-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES
S1
S2
S3
Indoor/outdoor
unit connection
cable
Indoor
unit
Unit
power
supply
Unit
power
supply
Outdoor
unit
L
1
L
2
L
3
N
S1
S2
S3
L
1
L
2
L
3
N
1
2
Remote
controller
Earth leakage breaker
wiring circuit breaker or
isolating
switch
1:1 System (Indoor : PEA-200, 250)
1:2 System (Indoor : PEA-400, 500)
S1
S2
S3
Indoor/outdoor
unit connection
cable
Indoor
unit
Unit
power
supply
Unit
power
supply
Outdoor
unit No.1
L
1
L
2
L
3
N
S1
S2
S3
L
1
L
2
L
3
N
Earth leakage breaker
wiring circuit breaker or
isolating
switch
S1
S2
S3
Indoor/outdoor
unit connection
cable
TB4-1
TB4-2
Unit
power
supply
Outdoor
unit No.2
L
1
L
2
L
3
N
S1
S2
S3
1
2
Remote
controller
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
Simultaneous twin/triple system
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
<For models without heater>
* The optional indoor power supply terminal kit is required.
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
If the indoor and outdoor units have separate power supplies, refer to the table below.
If the optional indoor power supply terminal kit is used, change the indoor unit
electrical box wiring referring to the figure in the right and the DIP switch settings of the
outdoor unit control board.
Indoor power supply terminal kit (option)
Indoor unit electrical box connector con-
nection change
Label affixed near each wiring diagram
for the indoor and outdoor units
Outdoor unit DIP switch settings (when
using separate indoor unit/outdoor unit
power supplies only)
Indoor unit specifications
Required
Required
Required
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
* There are 3 types of labels (labels A, B, and C). Affix the appropriate labels to
the units according to the wiring method.
ON
OFF
Set the SW8-3 to ON.
1
2
(SW8)
3
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
OCH451D