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NOTES:
1. Follow local codes and regulations when selecting
field wires.
2. The above wire sizes marked with
at the maximum current of the unit according to the
European Standard, EN60 335-1. Use the wires
which are not lighter than the ordinary
polychloroprene sheathed flexible cord (code
designation H05RN-F).
3. The above wire sizes marked with
at the maximum current of the unit according to the
wire, MLFC (Flame Retardant Polyflex Wire)
manufactured by HITACHI Cable Ltd. Japan.
4. Use a shielded cable for the transmitting circuit
and connect it to the ground.
5. In the case that the power cables are connected in
series, add each unit maximum current and select
wires below.
6. The earth cable size complied with local code: IEC
245, No. 571.
Selection according to
Selection according to MLFC
EN60 335-1
(at cable Temp. Of 60 ºC)
Wire Size
Current i (A)
Current i (A)
(mm²)
0.75
I
6
I
1
6 < i
10
15
10 < i
16
1.5
18
16 < i
25
2.5
24
25 < i
32
4
34
32 < i
40
6
47
40 < i
63
10
62
63 < i
78
112
In the case that current exceeds 63 A do not connect cables in
series
Select the main sw i tches in according to the next table:
Model
All Indoor Units
RAS-5FSN
RAS-8FSN(E)
RAS-10FSN(E)
RAS-16FSN
RAS-20FSN
RAS-24FSN
RAS-30FSN
RAS-8FXN(E)
RAS-10FXN(E)
RAS-16FXN
RAS-20FXN
RAS-24FXN
RAS-30FXN
ELB: Earthleakage Breaker; CB: Circuit Breaker
are selected
are selected
Wire Size
(mm²)
0.5
15
0.75
i
18
i
24
1.25
i
34
2
i
47
3.5
i
62
5.5
i
78
8
i
112
14
22
i
147
Power Source
220-240V/1 /50Hz
380-415V/3 /50Hz
ELECTRICAL WIRING
CAUTION:
Use shielded wires for transmission wires between
the indoor and the outdoor units, and connect the
shielded part to the earth screw in the electrical box
of the indoor unit as shown below.
Shield Part
Earth Screw
CB
ELB
Max. Current
(A)
no. poles/A/mA
5 A
6
2/40/30
10
8 A
14 A
15
20
18 A
4/40/30
33 A
40
37 A
60
50 A
4/63/30
75
66 A
4/100/30
15
14 A
20
18 A
4/40/30
33 A
40
37 A
60
4/63/30
50 A
75
4/100/30
66 A
27
Transmission
Wires
Pow e r Supply
Wires
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