Mitsubishi Electric Mr.SLIM PKA-AKA7 Serie Manuel D'installation page 10

6. Electrical work
6.1.1. Indoor unit power supplied from outdoor unit (A-control application)
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
Indoor unit model
Minimum circuit ampacity
Maximum rating of overcurrent protective device
Indoor unit-Outdoor unit
Indoor unit earth
Wired remote controller-Indoor unit
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
Wired remote controller-Indoor unit
*1. Max. 50 m, 165 ft
*2. Max. 500 m, 1640 ft (For two wired remote controllers: Max. 200 m, 656 ft)
*3. 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.
Notes: 1. Wiring size must comply with the applicable local and national code.
. Use copper supply wires.
3. Use wires rated 300V or more for the power supply cords and the indoor unit/outdoor unit connecting cords.
4. Install an earth longer than other cords.
MODE
CHECK
TEST RUN
2,4
10
C
L1
B
A
L2
GR
S1
S2
S3
Simultaneous twin/triple/four system
C
L1
B
A
L2
GR
S1
S2
S3
*1
*2
*3
*3
*3
A
ON/OFF TEMP
3
FAN AUTO STOP
VANE AUTO START
LOUVER h
min
SET RESET CLOCK
Fig. 6-8
1:1 System
F
CN105
RED
D
S1
S2
H
S3
1
E
G 2
F F
D
S1 S1
S2 S2
S3 S3
1 1
E
G 2 2 G
PKA-A·KA7
1A
15A
3 × AWG14 (Polar)
1 × Min. AWG14
2 × AWG22, unshielded
208/230 V AC
24 V DC
12 V DC
6.. Remote controller
6..1. For wired remote controller
1) Two remote controllers setting
If two remote controllers are connected, set one to "Main" and the other to "Sub".
For setting procedures, refer to "Function selection of remote controller" in the
operation manual for the indoor unit.
6... For IR wireless remote controller
1) Setting (Fig. 6-8)
1 Insert batteries.
2 Press the SET button with something sharp at the end.
blinks and Model No. is lighted.
3 Press the temp button to set the Model No.
4 Press the SET button with something sharp at the end.
and Model No. are lighted for three seconds, then turned off.
PKA (A24, A30, A36)
Outdoor unit power supply
A
Wiring circuit breaker or isolating switch
B
Outdoor unit
C
Indoor unit/outdoor unit connecting cords
D
Wired remote controller
E
Indoor unit
F
Indoor unit earth
G
Indoor controller board
H
A Outdoor unit power supply
Wiring circuit breaker or isolating switch
B
Outdoor unit
C
Indoor unit/outdoor unit connecting cords
D
Wired remote controller
E
Indoor unit
F
Indoor unit earth
G
Only for wired remote controller.
heat pump models 002
cooling only models 034