Samsung AM FN1DCH Series Installation Manual page 23

Specification of electronic wire
Power supply
Max : 242V
Min : 198V
• Decide the capacity of ELB and MCCB by below formula.
✴ X : The capacity of ELB, MCCB
✴ ΣAi : Sum of Rating currents of each indoor unit.
✴ Refer to each installation manual about the rating current of indoor unit.
✴ Rating current
Unit
AM✴✴✴FN1DCH✴
AM✴✴✴FN2DCH✴
AM✴✴✴FN4DCH✴
• Decide the power cable specification and maximum length within 10% power drop among indoor units.
✴ Coef: 1.55
✴ Lk: Distance among each indoor unit[m], Ak: Power cable specification[mm
✴ ik: Running current of each unit[A]
DVM S NASA_Global 4-WC_사우디향_IM_EN_04191A.indd 23
MCCB ELB
XA, 30mmA
XA
0.1 s
The capacity of ELB, MCCB X [A] = 1.25 X 1.1 X ΣAi
✴✴022✴✴
✴✴028✴✴
✴✴036✴✴
✴✴056✴✴
✴✴071✴✴
✴✴045✴✴
✴✴056✴✴
✴✴071✴✴
✴✴090✴✴
✴✴112✴✴
✴✴128✴✴
✴✴140✴✴
n
Coef×35.6×L
Σ (
1000×Ak
k=1
Power cable Earth cable
2.5mm 2.5mm
2
Model
×i
k k
10% of input
) <
voltage[V]
]
2
Communication cable
0.75~1.5mm
2 2
Rating current
0.20A
0.23A
0.25A
0.38A
0.40A
0.22A
0.22A
0.31A
0.43A
0.55A
0.51A
0.62A
23
2013-11-05 오전 11:30:26