Table of Contents
1:1 System (Indoor : PEA-200, 250)
Outdoor
unit
L
1
Unit
L
power
2
supply
L
3
N
Indoor/outdoor
unit connection
cable
S1
Earth leakage breaker
S2
wiring circuit breaker or
S3
isolating switch
9-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
* The optional indoor power supply terminal kit is required.
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
* The optional indoor power supply terminal kit is required.
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
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)
* There are 3 types of labels (labels A, B, and C). Affix the appropriate labels to
the units according to the wiring method.
Indoor
unit
L
1
Unit
L
power
2
supply
L
3
N
S1
S2
1
Remote
S3
controller
2
1:1 System
L
N
S1
S2
S3
Simultaneous twin/triple system
L
L
N
N
S1
S1
S2
S2
S3
S3
1
2
Indoor unit specifications
Required
Required
Required
3
ON
OFF
1
2
(SW8)
Set the SW8-3 to ON.
27
1:2 System (Indoor : PEA-400, 500)
Outdoor
unit No.1
L
1
Unit
L
power
2
L
supply
3
N
Indoor/outdoor
unit connection
cable
S1
S2
S3
Earth leakage breaker
wiring circuit breaker or
isolating switch
Outdoor
unit No.2
L
1
Unit
L
power
2
L
supply
3
N
Indoor/outdoor
unit connection
cable
S1
S2
S3
L
N
S1
S2
S3
1
2
Outdoor unit power supply
Earth leakage breaker
Wiring circuit breaker or isolating switch
L
L
L
Outdoor unit
N
N
N
Indoor unit/outdoor unit connecting cales
Remote controller
S1
S1
S1
Indoor unit
S2
S2
S2
Option
S3
S3
S3
Indoor unit power supply
Indoor unit earth
1
1
1
2
2
2
Connectors (connections when shipped
Electric heater
from the factory are for indoor unit power
(For models with
supplied from outdoor unit)
heater)
L
N
ORANGE
CND
Indoor unit
S1
control board
S2
S3
Indoor unit power supplied from outdoor unit
(when shipped from factory)
Indoor
unit
L
1
Unit
L
power
2
supply
L
3
N
S1
S2
S3
TB4-1
1
Remote
controller
2
TB4-2
S1
S2
S3
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
If the indoor and
outdoor units have
separate power
supplies, change the
connections of the
connectors as shown
in the following
figure.
Electric heater
(For models with
heater)
Connectors
L
N
ORANGE
CND
Indoor unit
S1
control board
S2
S3
Separate indoor unit/outdoor unit power
supplies
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