64 Electric System
6.2 Indoor Unit Wiring
Power Supply
Table 6-2
I
ndoor u
nit power
Capacity
(kW)
2.2~16
Phase
1-
phase
Frequency and voltage
220-240V~ 50Hz
Power
w
iring(mm
2
)
3-core×1.0
Circuit breaker
(A)
16
Indoor unit/o
utdoor unit
s
ignal wire (
w
eak electric signal) (mm
2
)
3-core shielded wire
3×0.75
1.Signal
wire is 3-core, polarized wire. Use 3-core shield wire to prevent interference. The grounding method
now is
grounding the closed end of the shield wire and opening (insulating) at the end. Shield is to be
grounded.
2.The control between outdoor unit and indoor unit is BUS type. An address is set on field during the
installation.
CAUTION
The wire diameter and continuous length are
under the
condition that the voltage vibration is within 2%. If the
continuous length is
exceed showing value, choose the
wire diameter follow relevant regulation.
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