English
15
9. ELECTRIC WIRING WORK
• All field supplied parts and materials and electric works must conform to local codes.
• Use copper wire only.
• For electric wiring work, refer to also
“
Wiring diagram label
”
attached to the Control box lid.
• For remote controller wiring details, refer to the installation manual attached to the remote controller.
• All wiring must be performed by an authorized electrician.
• A circuit breaker capable of shutting down power supply to the entire system must be installed.
• Refer to the installation manual attached to the outdoor unit for the size of power supply electric wire con-
nected to the outdoor unit, the capacity of the circuit breaker and switch, and wiring instructions.
• Be sure to ground the air conditioner.
• Do not connect the ground wire to gas and water pipes, lightning rods, or telephone ground wires.
• Gas pipes
:
might
cause explosions or fire if gas leaks.
• Water pipes : no grounding effect if hard vinyl piping is used.
• Telepone ground wires or lightning rods : might cause abnormally high electric potential in the ground
during lighting storms.
•
Specifications for field wire
Table 4
*This will be the total extended length in the system when doing group control.
NOTE
1.
Shows only in case of protected pipes. Use H07RN-F in case of no protection.
2.
For European and Asian market
:
Vinyl cord with sheath or cable (Insulated thickness
:
1mm or more)
For Australian regular
:
Shield wire (Insulated thickness
:
1mm or more)
CAUTION
• Arrange the wires and fix a lid firmly so that the lid does not float during wiring work.
• Do not clamp remote controller cords together with wiring between units together. Doing so may cause
malfunction.
• Remote controller cords and wiring between units should be located at least 50 mm from other electric
wires. Not following this guideline may result in malfunction due to electrical noise.
Wire
Size(mm
2
)
Length
Wiring between units
H05VV-U4G(NOTE 1)
2.5
–
Remote controller cord
Vinyl cord with sheath or cable (2 wire) (NOTE 2)
0.75-1.25
Max.500m *
Wiring to ground terminal
Ground wire conform to local codes
2.0
–
