8
S1
S2
S3
L
N
BLUE
BLUE
YELLOW
YELLOW
CN01
CN01
BLACK
CN01
BLACK
S1
S2
S3
L
N
YELLOW
BLUE
BLUE
YELLOW
CN01
6. Electrical work
6.1.2. Separate indoor unit/outdoor unit power supplies (For PUHZ application only)
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
1:1 System
* The indoor power supply terminal kit is required.
S1
S2
L
N
1
2
L
N
S1
S2
S3
S3
A
C
B
D
J
E
B
C
F
G
H
S1
S2
L
N
1
2
L
N
S1
S2
S3
1
2
L
N
S1
S2
S3
1
2
L
N
S1
S2
S3
1
2
L
N
S1
S2
S3
S3
A
B
C
D
E
J
B
C
F
H
G
G
G
G
K
K
K
H
H
H
* Affix label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cables
F Remote controller
G Indoor unit
H Option
J Indoor unit power supply
* The indoor power supply terminal kits are required.
If the indoor and outdoor units have separate power supplies, refer to the table
below. If the indoor power supply terminal kit is used, change the indoor unit elec-
trical box wiring refering to the figure in the right and the DIP switch settings of the
outdoor unit control board.
* Affix label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cables
F Remote controller
G Indoor unit
H Option
J Indoor unit power supply
K Indoor unit earth
ON
OFF 1
2
(SW8)
3
Indoor power supply terminal kit (option)
Indoor unit electrical box connector
connection 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
*1. A breaker with at least 3.0 mm contact separation in each pole shall be provided. Use earth leakage breaker (NV).
The breaker shall be provided to ensure disconnection of all active phase conductors of the supply.
*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.
.
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.
Option
Connectors (connections of initial setting
are for indoor unit power supplied from
outdoor unit)
Indoor unit power supplied from outdoor unit
(initial setting)
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 sup-
plies
Option
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.
Simultaneous twin/triple/quadruple system
1:1 System
Set the SW8-3 to ON.
Indoor unit model
PLA
Indoor unit power supply
~/N (single), 50 Hz, 230 V
Indoor unit input capacity
Main switch (Breaker)
*1
16 A
Wiring
Wire No. ×
size (mm
2
) Indoor unit power supply & earth
3 × Min. 1.5
Indoor unit-Outdoor unit
*2
2 × Min. 0.3
Indoor unit-Outdoor unit earth
–
Remote controller-Indoor unit
*3
2 × 0.3 (Non-polar)
Circuit
rating
Indoor unit L-N
*4
AC 230 V
Indoor unit-Outdoor unit S1-S2
*4
–
Indoor unit-Outdoor unit S2-S3
*4
DC24 V
Remote controller-Indoor unit
*4
DC12 V
Never splice the power cable or the indoor-outdoor connection cable, otherwise it may result in a smoke, a fire or communication failure.
Warning:
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