Mitsubishi Electric Mr.SLIM PKA-M-KA Series Installation Manual page 12

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 referring to the figure in the right and the DIP switch settings of
the outdoor unit control board.
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
the units according to the wiring method.
Indoor unit model
Indoor unit power supply
Indoor unit input capacity
Indoor unit power supply & earth
Indoor unit earth
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
Indoor unit L-N
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
*2. Max. 120 m
*3. Max. 500 m
*4. The figures are NOT always against the ground.
3. Install an earth longer than other cables.
4.
source wiring.
Warning:
12
Indoor unit specifications
Required
Required
Required
ON 3
(SW8)
OFF 1 2
*1
3 × Min. 1.5
1 × Min. 1.5
*2 2 × Min. 0.3
*4
*4
*4
Connectors (connections when shipped
from the factory are for indoor unit power
L
N
BLACK
CN01
Indoor unit
S1
control board
S2
S3
Indoor unit power supplied from outdoor unit
16 A
–
AC 230 V
–
DC 24 V
DC 12 V
If the indoor and
outdoor units have
separate power
supplies, change the
connections of the
connectors as shown
in the following
figure.
Connectors
L
N
BLACK
CN01
Indoor unit
S1
control board
S2
S3
supplies