Mitsubishi Electric PCA-RP-KAQ Instruction Manual page 7

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.
A B C
* Affi x label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
D
L
A B C N
S1
S2
S3
* Affi x label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
Indoor unit model
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
Indoor unit earth
Remote controller-Indoor unit
Indoor unit (Heater) L-N
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
Remote controller-Indoor unit
*1. <For 50-140 outdoor unit application>
Max. 45 m
2
If 2.5 mm used, Max. 50 m
2
If 2.5 mm used and S3 separated, Max. 80 m
<For 200/250 outdoor unit application>
Max. 18 m
2
If 2.5 mm used, Max. 30 m
2
If 4 mm used and S3 separated, Max. 50 m
2
If 6 mm used and S3 separated, Max. 80 m
*2. The 10 m wire is attached in the remote controller accessory. Max. 500 m
*3. The fi gures are NOT always against the ground.
S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are not electrically insulated by the transformer or other device.
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.
6.1.2. Separate indoor unit/outdoor unit power supplies (For PUHZ application only)
The following connection patterns are available.
The outdoor unit power supply patterns vary on models.
* The indoor power supply terminal kit is required.
D
L
B C
A
N
S1
S2
S3
* Affi x label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
1 System
D G
L
N
S1 S1
S2 S2
S3 S3
E
1
F
2
Simultaneous twin/triple/quadruple system
G G G
S1 S1 S1
S2 S2 S2
S3 S3 S3
E
1 1 1
F
2 2 2
H
PCA
*1 3 × 1.5 (polar)
*1 1 × Min.1.5
1 × Min.1.5
*2 2 × 0.3 (Non-polar)
*3 -
*3 AC 230 V
*3 DC24 V
*3 DC12 V
G
L
J B C H
N
S1
S2
S3
E
1
F
2
1:1 System
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 cables
F Remote controller
G Indoor unit
G
A Outdoor unit power supply
B Earth leakage breaker
C Wiring circuit breaker or isolating switch
S1
D Outdoor unit
S2
E Indoor unit/outdoor unit connecting cables
S3
F Remote controller
G Indoor unit
1
H Indoor unit earth
2
H H
1:1 System
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 cables
F Remote controller
G Indoor unit
H Option
J Indoor unit power supply
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