Mitsubishi Electric Mr.SLIM PLA-A EA7 Série Manuel D'installation page 8

6. Electrical work
6.1.1. Indoor unit power supplied from outdoor unit
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
D
L1
A B C
L2
GR
S1
S2
S3
D
L1
A B C
L2
GR
S1
S2
S3
Note:
Some units cannot be used in a simultaneous twin system. Refer to the outdoor unit installation manual for details.
Indoor unit model
Minimum circuit ampacity
Maximum ration of overcurrent protective device
Indoor unit-Outdoor unit
Indoor unit earth
Remote controller-Indoor unit
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
Wired remote controller-Indoor unit
*1. <For 35-140 outdoor unit application>
Max. 45 m, 148 ft
If AWG13 (2.5 mm 2 ) used, Max. 50 m, 165 ft
If AWG13 (2.5 mm 2 ) used and S3 separated, Max. 80 m, 263 ft
Max. 18 m, 59 ft
2
If AWG13 (2.5 mm ) used, Max. 30 m, 99 ft
If AWG11 (4 mm 2 ) used and S3 separated, Max. 50 m, 165 ft
If AWG9 (6 mm 2 ) used and S3 separated, Max. 80 m, 263 ft
*2. Max. 500 m, 1640 ft
(When using 2 remote controllers, the maximum wiring length for the remote controller cables is 200 m, 656 ft.)
2.
7.
power source wiring.
Warning:
1:1 System
I
G
H
S1
S2
CN105
RED
S3
1
F
2
E
Simultaneous twin system
G G
S1 S1
S2 S2
S3 S3
1 2
F
E E
2 1
PLA-A12EA7 PLA-A18EA7
1 A
*1
*2
*3
*3
*3
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor earth
F Wired remote controller
G Indoor controller board
H Radio frequency interface for RF thermostat
I Indoor unit
Only for wired remote controller
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
D Outdoor unit
E Indoor earth
F Wired remote controller
G Indoor unit
PLA-A24EA7 PLA-A30EA7
1 A 1 A
15 A
3 × AWG14 (polar)
1 × Min. AWG14
2 × AWG22 (Non-polar, unshielded)
PLA-A36EA7 PLA-A42EA7
1 A 2 A 2 A