3
SPECIFICATIONS FOR ELECTRICAL WORK
2
2-1. Field electrical wiring(power wiring specifications)
PUHZ-RP•VHA
PUHZ-RP•VHA-A
Outdoor unit power supply
*1
*2
*3
*4
*4
*4
*4
Outdoor unit power supply earth
Indoor unit - Outdoor unit
Indoor unit - Outdoor unit earth
Remote controller - Indoor unit
Outdoor unit L-N
Indoor unit-Outdoor unit S1-S2
Indoor unit-Outdoor unit S2-S3
Remote controller - Indoor unit
16A
2
o
Min. 1.5
1
o
Min. 1.5
1
o
Min. 2.5
25A
2
o
Min. 2.5
1
o
Min. 2.5
1
o
Min. 2.5
32A
2
o
Min. 4
1
o
Min. 4
1
o
Min. 2.5
40A
2
o
Min. 6
1
o
Min. 6
1
o
Min. 2.5
Indoor unit model
~ / N (Single) 50Hz,
220-230-240V
2
o
0.69 (Non-polar)
AC 220-230-240V
AC220-230-240V
DC24V
DC14V
Outdoor unit power supply
Outdoor unit input capacity
Main switch (Breaker)
Wiring
Wire No.
o
size (mm
2
)
Circuit
rating
RP1.6, 2V
RP2.5, 3V
RP4, 5V
RP6V
3
o
2.5 (polar)
*1 A breaker with at least 3mm contact separation in each poles shall be provided.
Use non-fuse breaker (NF) or earth leakage breaker (NV).
*2 Max. 50m Total Max, including all indoor/ indoor connection is 80m.
*3 10m wire is attached in the remote controller accessory.
*4 The figures are NOT always against the ground.
S3 terminal has DC24V 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/ Outdoor unit connecting cords shall not be lighter than polychloroprene
sheathed flexible cord. (design 254 IEC 57)
3. Install an earth longer and thicker than other cables.
1
2
S1
S2
S3
S1
S2
S3
Indoor/outdoor
unit connection
cable
Indoor
unit
Unit
power
supply
Outdoor
unit
Remote
controller
L
N
Grounding
L
N
1
2
1
2
S1
Indoor
unit
S2
S3
S1
S2
S3
S1
S2
S3
Unit
power
supply
Indoor/outdoor
unit connection
cable
Indoor
unit
Outdoor
unit
Remote
controller
Grounding
1
2
1
2
1
2
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
Indoor/outdoor
connection cable
Indoor
unit
Unit
power
supply
Indoor
unit
Indoor
unit
Outdoor
unit
Remote
controller
L
N
Grounding
1:1 system
Synchronized twin and triple system Electrical wiring
• Synchronized twin
• Synchronized triple
OCT04A-1.qxp 04.9.29 9:14 AM Page 3
