17
8. Electrical work
8.1. Power supply
8.1.1. Indoor unit power supplied from outdoor unit
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
1:1 System
[Fig. 8-1-1] (P.6)
* Affix a label A that is included with the manuals near each wiring diagram for the
indoor and outdoor units.
Simultaneous twin/triple/four system
[Fig. 8-1-2] (P.6)
* Affix a label A that is included with the manuals near each wiring diagram for the
indoor and outdoor units.
Field electrical wiring
*1. The 10 m wire is attached in the remote controller accessory. Max. 500 m
*2. The figures are NOT always against the ground.
S3 terminal has 24 V DC against S2 terminal. However between S3 and S1, these terminals
are not electrically insulataed by the transformer or other device.
8.1.2. Separate indoor unit/outdoor unit power supplies (For PUHZ/
PUZ application only)
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
1:1 System
* The optional wiring replacement kit is required.
[Fig. 8-1-3] (P.6)
* Affix a label B that is included with the manuals near each wiring diagram for the
indoor and outdoor units.
Simultaneous twin/triple/four system
* The optional wiring replacement kits are required.
[Fig. 8-1-4] (P.6)
* 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 at the
below. If the optional wiring replacement kit is used, change the indoor unit electrical
box wiring refering to the figure in the right and the DIP switch settings of the outdoor
unit control board.
* There are three types of labels (labels A, B, and C). Affix the appropriate labels to
the units according to the wiring method.
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 cords
F
Remote controller (option)
G
Indoor unit
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 cords
F
Remote controller (option)
G
Indoor unit
Indoor unit model
PEAD
Wi
rin
g
Wir
e
N
o
.
× s
ize
(mm
2
)
Indoor unit power supply (Heater)
–
Indoor unit power supply (Heater) earth
–
Indoor unit-Outdoor unit
3 × 1.5 (polar)
Indoor unit-Outdoor unit earth
1 × Min. 1.5
Remote controller-Indoor unit
*1
2 × 0.3 (Non-polar)
Circui
t
rat
ing
Indoor unit (Heater) L-N
*2
–
Indoor unit-Outdoor unit S1-S2
*2
230 V AC
Indoor unit-Outdoor unit S2-S3
*2
24 V DC
Remote controller-Indoor unit
*2
14 V DC
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 245 IEC57)
3. Install an earth longer than other cables.
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 cords
F
Remote controller (option)
G
Indoor unit
H
Option
J
Indoor unit power supply
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 cords
F
Remote controller (option)
G
Indoor unit
H
Option
J
Indoor unit power supply
Indoor unit specifications
Indoor power supply terminal kit (option)
Required
Indoor unit electrical box connector
connection change
Required
Label affixed near each wiring diagram
for the indoor and outdoor units
Required
Outdoor unit DIP switch settings (when
using separate indoor unit/outdoor unit
power supplies only)
ON
OFF
1
2
(SW8)
3
S1
S2
S3
L
N
BLUE
BLUE
YELLOW
YELLOW
CND
RED
CND
RED
S1
S2
S3
L
N
YELLOW
BLUE
BLUE
YELLOW
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)
Separate indoor unit/outdoor unit power
supplies
If the indoor and
outdoor units have
separate power
supplies, change the
connections of the
connectors as shown in
the following figure.
Connectors
Power
supply
board
Power
supply
board
Indoor
controller
board
Indoor
controller
board
A breaker with at least 3.0 mm contact
separation in each pole shall be provided.
Use non-fuse breaker (16A) or earth
leakage breaker (16A).
KJ79H016H01.book 17 ページ ２０１７年２月２１日 火曜日 午後５時４５分
