Samsung AM160FNBDEH Installation Manual page 28

❋ Table for current (Single installation)
Indoor unit
DVM Hydro unit
DVM Hydro unit HT
ELB, MCCB capacity expression
❋ X [A] : ELB, MCCB capacity
❋ ∑Ai : Sum of each indoor unit's rated current
❋ 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.
coef : 1.55
Lk : Distance among each indoor unit [m], Ak : Power cable specification [mm
ik : Running current of each unit [A]
Example of Installation
Total power cable length L = 100(m), Running current of each units 1[A]
Total 10 indoor units were installed
10[A]
MCCB+
ELCB
ELB
Or
0[m]
Apply following equation
n
Coef×35.6×Lk×ik
∑(
1000×Ak
k=1
❋ Calculation
Installing 1 type of wire.
2
2.5[mm ]
-2.2[V]
220[V]
Installing with 2 different sort wire.
4.0[mm 2 ]
-1.4[V]
220[V]
Model Rated current (A)
ADN✴✴✴BDE✴✴
AM✴✴✴FNBD✴✴
AM160FNBFE✴
AM250FNBFE✴
AM160FNBFG✴
AM250FNBFG✴
X [A] = 1.25 X ∑Ai
Coef×35.6×Lk×ik
n
∑(
1000×Ak
k=1
9[A]
Indoor unit 1
10[m] 20[m]
) < 10 % of input voltage[V]
2
2.5[mm ]
-2.0[V]
-(2.2+2.0+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-11.2[V]
4.0[mm 2 ]
-1.2[V]
-(1.4+1.2+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-10.5[V]
MCA ( A)
0.05 2.2
14.3 24.15
23.1 32.15
4.85 12.88
7.85 12.88
) < 10 % of input voltage[V]
2
]
1[A]
Indoor unit 2
2
············ 2.5[mm ] ············
208.8[V](Within 198 V~242 V)
············ 2.5[mm 2 ] ············
209.5[V](Within 198 V~242 V)
MFA( A)
2.75
30.19
40.19
16.1
16.1
Indoor unit 10
100[m]
it's okay
it's okay
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