ENGLISH
Specification of electronic wire
Power supply
MCCB
ELB or ELCB
Power cable
Earth cable
Communication cable
Max : 253V
Min : 187V
X A
X A, 30mA
0.1 sec
0.0039inch
2
(2.5mm
2
)
0.0039inch
2
(2.5mm
2
)
0.0012~0.0023inch
2
(0.75~1.5mm
2
)
X
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X
Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene
sheathed flexible cord.
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X
[A] = 1.25 X 1.1 X ∑ A i
7
X
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7
∑ Ai : Sum of Rating currents of each indoor unit.
7
Refer to each installation manual about the rating current of indoor unit.
X
Decide the power cable specification and maximum length within 10% power drop among
indoor units.
7
coef: 1.55
7
-L%JTUBODFBNPOHFBDIJOEPPSVOJU<N GU>"L1PXFSDBCMFTQFDJGJDBUJPO<NN
2
(inch
2
)]
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∑ (
$PFG¨¨-
L
×i
L
) <
10% of input voltage[V]
1000×A
L
n
L
Example of Installation
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- Total 10 indoor units were installed
X
Apply following equation.
∑ (
$PFG¨¨-
L
×i
L
) <
10% of input
voltage[V]
1000×A
L
n
L
K
Calculation
O
Installing with 1 sort wire.
O
Installing with 2 different sort wire.
10[A]
Indoor unit10
65.6ft(20m)
32.8ft(10m)
0ft(0m)
9[A]
1[A]
328ft(100m)
Indoor unit2
Indoor unit1
&-$#
220[V]
-2.2[V]
-2.0[V]
············ 0.0039inch
2
(2.5mm
2
) ············
208.8[V](Within 187V~253V)
<7>
JUhTPLBZ
0.0039inch
2
(2.5mm
2
)
0.0039inch
2
(2.5mm
2
)
220[V]
-1.4[V]
-1.2[V]
············ 0.0039inch
2
(2.5mm
2
) ············
209.5[V](Within 187V~253V)
<7>
JUhTPLBZ
0.0062inch
2
(4.0mm
2
)
0.0062inch
2
(4.0mm
2
)
Or
.$$#
&-#
English-17
