Samsung AM JNHF Series User Manual page 24

Wiring work
Specification of electronic wire
Power supply MCCB
Max : 242V
X A
Min : 198V
 Decide the capacity of ELCB(or MCCB+ELB) by below formula.
 Power supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene
sheathed flexible cord.
(Code designation IEC:60245 IEC 57 / CENELEC:H05RN-F ; IEC:60245 IEC 66 / CENELEC:H07RN-F)
The capacity of ELCB(or MCCB+ELB) X [A] = 1.25 X 1.1 X ∑Ai
T X : The capacity of ELCB(or MCCB+ELB).
T ∑ Ai : Sum of Rating currents of each indoor unit.
T Refer to each installation manual about the rating current of indoor unit.
Decide the power cable specification and maximum length within 10% power drop among indoor units.

n
∑ (
k=1
T coef: 1.55
T Lk: Distance among each indoor unit[m], Ak: Power cable specification[mm
ik: Running current of each unit[A]
24
ELB or ELCB Power cable Earth cable
X A, 30mmA
2.5mm 2
0.1 s
Coef×35.6×L ×i
k k
) <
1000×A
k
Communication cable
2.5mm 2 0.75~1.5mm 2
10% of input voltage[V]
]
2