Simultaneous Twin/Triple/Quadruple System; For Wired Remote Controller - Mitsubishi Electric PCA-RP KA Installation Manual

6. Electrical work
* The indoor power supply terminal kits are required.
D
L
J B
A B C
N
S1
S2
S3
E
* 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 power supply terminal kit (option)
Indoor unit electrical box connector connec-
tion change
Label affixed near each wiring diagram for
the indoor and outdoor units
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
Indoor unit power supply
Indoor unit input capacity
Main switch (Breaker)
Indoor unit power supply & earth
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
Remote controller-Indoor unit
Indoor unit L-N
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
Remote controller-Indoor unit
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.
Fig. 6 - 2
30 30
46
B-1.
8

Simultaneous twin/triple/quadruple system

H H H
G G G G
L L L L
C
N N N N
S1 S1 S1 S1
K K
S2 S2 S2 S2
S3 S3 S3 S3
1 1 1 1
F
2 2 2 2
Indoor unit specifi cations
Required
Required
Required
ON 3
OFF 1 2
Set the SW8-3 to ON.
~/N (single), 50 Hz, 230 V
*1
3 × Min. 1.5
*2 2 × Min. 0.3
*3 2 × 0.3 (Non-polar)
*4 AC 230 V
*4
*4 DC24 V
*4 DC12 V
B-2.
Fig. 6 - 3
A Outdoor unit power supply
B Earth leakage breaker
H
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor unit/outdoor unit connecting cables
F Remote controller
G Indoor unit
K
H Option
J Indoor unit power supply
K Indoor unit earth
Connectors (connections of initial setting
are for indoor unit power supplied from
Option
outdoor unit)
L
N
S1
S2
S3
(SW8)
Indoor unit power supplied from outdoor unit
(initial setting)
PCA
16 A
–
*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.
6.2. Remote controller

6.2.1. For wired remote controller

1) Installing procedures
(1) Select an installing position for the remote controller. (Fig. 6-2)
The temperature sensors are located on both remote controller and indoor unit.
► Procure the following parts locally:
2 piece switch box
Thin copper conduit tube
Lock nuts and bushings
[Fig.6-2]
A Remote controller profi le
B Required clearances surrounding the remote controller
C Installation pitch
(2) Seal the service entrance for the remote controller cord with putty to prevent
possible invasion of dew drops, water, cockroaches or worms. (Fig. 6-3)
A For installation in the switch box
B For direct installation on the wall, select one of the following:
• Prepare a hole through the wall to pass the remote controller cord (in order to run
the remote controller cord from the back), then seal the hole with putty.
• Run the remote controller cord through the cut-out upper case, then seal the cut-
out notch with putty.
B-1. To lead the remote controller cord from the back of the controller
B-2. To run the remote controller cord through the upper portion
[Fig.6-3]
CWall E Lock nut
DConduit FBushing
If the indoor and
outdoor units have
separate power
supplies, change the
connections of the
connectors as shown
in the following
fi gure.
BLACK
CN01
Indoor unit
Option
control board
L
N
S1
S2
S3
Separate indoor unit/outdoor unit power supplies
GSwitch box
HRemote controller cord
Connectors
BLACK
CN01
Indoor unit
control board
ISeal with putty
JWood screw