Mitsubishi Electric PCA-RP140KAQ / PUHZ-P140YHA [8/32] Electrical work
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Mitsubishi Electric PCA-RP140KAQ / PUHZ-P140YHA [8/32] Electrical work

Mitsubishi Electric PCA-RP71KAQ / SUZ-KA71VA [8/32] Electrical work
8
6. Electrical work
Simultaneous twin/triple/quadruple system
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
AB C
D
E
JBC
F
H
GGGG
K
K
K
H
H
H
ON
OFF 1 2
(SW8)
3
S1
S2
S3
L
N
BLUE
BLUE
YELLOW
YELLOW
CN01
CN01
BLACK
CN01
BLACK
S1
S2
S3
L
N
YELLOW
BLUE
BLUE
YELLOW
CN01
* Affi x 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 indoor power supply terminal kit is used, change the indoor unit elec-
trical box wiring refering to the fi gure in the right and the DIP switch settings of the
outdoor unit control board.
Indoor unit specifi cations
Indoor power supply terminal kit (option) Required
Indoor unit electrical box connector connec-
tion change
Required
Label affixed near each wiring diagram for
the indoor and outdoor units
Required
Outdoor unit DIP switch settings (when us-
ing separate indoor unit/outdoor unit power
supplies only)
* There are 3 types of labels (labels A, B and C). Affi x the appropriate labels to the
units according to the wiring method.
Indoor unit model PCA
*1. A breaker with at least 3.0 mm contact separation in each pole shall be pro-
vided. 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 fi gures are NOT always against the ground.
Indoor unit power supply ~/N (single), 50 Hz, 230 V
Indoor unit input capacity
Main switch (Breaker)
*1 16 A
Wiring
Wire No. ×
size (mm²)
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
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 fl exible cord. (Design 60245 IEC 57)
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 cables
F Remote controller
G Indoor unit
H Option
J Indoor unit power supply
K Indoor unit earth
Never splice the power cable or the indoor-outdoor connection cable, otherwise it may result in a smoke, a fi re or communication failure.
Warning:
* The indoor power supply terminal kits are required.
Set the SW8-3 to ON.
Option
Option
Indoor unit power supplied from outdoor unit
(initial setting)
Separate indoor unit/outdoor unit power supplies
Connectors (connections of initial setting
are for indoor unit power supplied from
outdoor unit)
If the indoor and
outdoor units have
separate power
supplies, change the
connections of the
connectors as shown
in the following
fi gure.
Connectors
Indoor unit
control board
Indoor unit
control board

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