6. Electrical work
6.2. Indoor unit power supplied from outdoor unit
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.
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
Wired remote controller (optional parts)
G
Indoor unit
H
Heater power supply
*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. <For 25-140 outdoor unit application>
Max. 45 m
If 2.5 mm
2
used, Max. 50 m
If 2.5 mm
2
used and S3 separated, Max. 80 m
<For 200/250 outdoor unit application>
Max. 18 m
If 2.5 mm
2
used, Max. 30 m
If 4 mm
2
used and S3 separated, Max. 50 m
If 6 mm
2
used and S3 separated, Max. 80 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.
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 flexible cord. (Design 245 IEC
57)
3. Install an earth longer than other cables.
<For models without heater>
<For models with heater>
<For models without heater>
<For models with heater>
* Affix a label A that is included with the manuals near each wiring diagram for the indoor and outdoor units.
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
Wired remote controller (optional parts)
G
Indoor unit
H
Heater power supply
Indoor unit model
PEA
Indoor unit power supply (Heater)
–
Indoor unit input capacity (Heater)
Main switch (Breaker)
*1
–
Indoor unit power supply (Heater)
–
Indoor unit power supply (Heater) earth
–
Indoor unit-Outdoor unit
*2
3
×
1.5 (polar)
Indoor unit-Outdoor unit earth
*2
1
×
Min.1.5
Remote controller-Indoor unit
*3
2
×
0.3 (Non-polar)
Indoor unit (Heater) L-N
*4
–
Indoor unit-Outdoor unit S1-S2
*4
AC 230 V
Indoor unit-Outdoor unit S2-S3
*4
DC24 V
Remote controller-Indoor unit
*4
DC12 V
Wiring
Wire No.
×
size
(mm
2
)
Circuit
rating
Simultaneous twin/triple/four system
1:1 System
RG79D318H02.indd 7
12/6/2010 1:26:44 PM
