3
5
Figure 5.4 Electrical Wiring for RAS-6.5~7.0HNSKQ
NOTE:
(1) Perform all the electrical work in accordance with the manual and in compliance with the local
regulations and safety standards. The electrical wiring should be applied by the qualified person.
(2) The recommended electrical characteristics are calculated by the related safety standards. The
environment temperature is less than 40°C, the length of the power supply wire is no more than 15 meters. If the
air conditioning is in an extreme environment, please calculate the electrical characteristics again.
(3) If the distribution box or pull box is adopted to the power supply for air conditioning, the size of the
power supply wire should be chosen according to the following table.
Total Ampacity
(A)
Power Supply Wiring
(mm
2
)
※
1:
If the total ampacity
is over than 63A
，
the power supply
wires must not be
connected in series.
I≤6
2.5
6<I≤10
2.5
10<I≤16
2.5
16<I≤25
4
25<I≤32
6
32<I≤40
10
40<I≤63
16
63<I
※
1
(4) The power supply wire should be stranded copper with shielding by neoprene.
(5) The transmission cables must be made up of the shielded twist pair cabling, and the shielded should
be connected to the ground.
(6) If the power supply wiring or the transmission cable is damaged, please turn off the power supply and
contact the service dealer.
(7)
A switch that can ensure all-pole disconnection shall be installed between power supply and air
conditioning unit in such a manner that the contact spacing shall not be less than 3mm.
(8) When connect the power supply wirings, it is better that the ground wire should be longer than the live
and neutral wires.