Samsung AM017NN1PEH Series - Power Cable and Circuit Sizing Calculations

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11. Installation
Specifications of the terminal blocks
(Unit: mm)
AC power: M4 screw
Communication: M3.5 screw
11
13
7. 5
9.0
18
13.8
Power supply
(single phase)
MCCB ELB
Min : 198V
Max : 242V
XA
XA, 30 mA
0.1 s
Power cable Earth cable
Communication
cable
2.5 mm or more 2.5 mm⁲ 0.75 to 1.5 mm⁲
Decide the power cable specification and maximum
length by formula 2.
1 Decide the capacity of ELB and MCCB by below
formula.
The capacity of ELB, MCCB X[A] = 1.25 X 1.1 X ΣAi
NOTE
• X : The capacity of ELB, MCCB
• ΣAi : Sum of rating currents of each indoor unit.
Rated currents
Model Rating current(A)
AM017NN1PEH∗ 0.14
AM022NN1PEH∗ 0.15
AM022NN1DEH∗ 0.20
AM028NN1DEH∗ 0.23
AM036NN1DEH∗ 0.25
AM056NN1DEH∗ 0.28
AM071NN1DEH∗ 0.40
2 Decide the power cable specification and maximum
length within 10% voltage drop among indoor units.
n
Coef×35.6×Lk
× ik) < 10% of input voltage[V]
∑ (
1000×Ak
k=1
NOTE
• Coef: 1.55
• Lk: Distance among each indoor unit[m],
Ak: Power cable specification[mm⁲]
• ik: Running current of each unit[A]
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