Wiring work
Example of Installation
f
f
Selecting the thickness of wire when Total length of power cable L = 100 (m), Initial input current i = 10 [A], Electric
current consumption for each indoor unit 1 [A], and total number of indoor unit installation 10 .
10 [A]
Indoor unit10
20 [m]
10 [m]
0 [m]
9 [A]
1 [A]
100 [m]
MCCB
Indoor unit2
Indoor unit1
eLB
f
f
Apply following formula .
n
(
Coef × 35 .6 × L
k
× i
k
) < 10 % of input voltage[V]
∑
1000 × A
k
k=1
❋
❋
Calculation
• Installing with 1 sort of wire .
220 [V]
-2 .2 [V]
-2 .0 [V]
····· 2 .5 [mm
2
] ·····
208 .8 [V]:
Applicable
-(2.2+2.0+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-11.2[V]
Within 198 ~ 242 V
2 .5 [mm
2
]
2 .5 [mm
2
]
• Installing with 2 sorts of wires .
220 [V]
-1 .4 [V]
-1 .2 [V]
····· 2 .5 [mm
2
] ·····
209 .5 [V]:
Applicable
-(1.4+1.2+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-10.5 [V]
Within 198 ~ 242 V
4 .0 [mm
2
]
4 .0 [mm
2
]
ENGLISH-18
DVM PAC Mirage_IM_05674A-00_EN.indd 18
2016-04-04 오전 11:46:08