Separate Indoor Unit/ Outdoor Unit Power Supplies - Mitsubishi Electric PU-P71VHA Service Manual

8-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES

The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
<For models without heater>
* The optional indoor power supply terminal kit is required.
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
<For models without heater>
* The optional indoor power supply terminal kits are required.
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
Indoor unit model
Indoor unit power supply
Indoor unit input capacity
Main switch (Breaker)
Indoor unit power supply
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
*1. A breaker with at least 3 mm contact separation in each pole shall be provided. Use non-fuse breaker (NF) or earth leakage breaker (NV).
*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.
2. Power supply cords and indoor unit/outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord.
(Design 245 IEC 57)
3. Install an earth longer than other cables.
If the indoor and outdoor units have separate power supplies, refer to the table at
the below. Change the indoor unit electrical box wiring referring to the figure in the
right and the Jumper wire JB 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 jumper wire (when using
separate indoor unit/outdoor unit
power supplies only)
* There are three types of labels (labels A, B, and C). Affix the appropriate labels to
the units according to the wiring method.
Please turn on the power supply of the outdoor unit first. Afterward, please turn on
the power supply of the indoor unit.
1:1 System
D
L
J B
A B C C
N
S1
S2
S3
E
F
Simultaneous twin/triple system
D
L
J B C
C
A B
N
S1
S2
S3
E
F
~/N (single), 50 Hz, 230 V
*1
*2
2 o 0.3 (Non-polar)
*3
*4
*4
*4
*4
Indoor unit specifications
Required
Required
Jumper wire JB is cut.
19
G
L
H
N
S1
S2
S3
1
2
G G G
L L L
N N N
S1 S1 S1
H
S2 S2 S2
S3 S3 S3
1 1 1
2 2 2
RP35~140
16 A
2 o Min. 1.5
1 o Min. 1.5
2 o Min. 0.3
–
AC 230 V
–
DC24 V
DC12 V
Connectors (connections when shipped
from the factory are for indoor unit power
supplied from outdoor unit)
L1
L2
GR
ORANGE
CND
Indoor unit
S1
control board
S2
S3
Indoor unit power supplied from outdoor unit
(when shipped from factory)
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
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
G Indoor unit
H
Option
J
Indoor unit power supply
If the indoor and
outdoor units have
separate power
supplies, change the
connections of the
connectors as shown
in the following
figure.
Connectors
L1
L2
GR
ORANGE
CND
Indoor unit
S1
control board
S2
S3
Separate indoor unit/outdoor unit power
supplies