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Specifications of the terminal blocks
AC power: M4 screw
11
13
Power supply
MCCB
(single phase)
Min : 198V
Max : 242V
Power cable
Earth cable
2.5 mm² or more
2.5 mm²
Decide the power cable specification and maximum
length by formula 2.
1 Decide the capacity of ELB and MCCB by below
formula.
Example of Installation
Total power cable length L = 100(m), Initial pull-in current = 10[A], Running current of each units = 1[A], Total 10 indoor
units were installed
10 [A]
MCCB+ELB
or
ELCB
0[m]
(Unit: mm)
Communication: M3.5 screw
7.5
9.0
ELB
XA, 30 mA
XA
0.1 s
Communication
cable
0.75 to 1.5 mm²
9 [A]
Indoor unit 1
10[m]
NOTE
• X : The capacity of ELB, MCCB
•
Rated currents
Model
AM170TN4DKH
2 Decide the power cable specification and maximum
length within 10% voltage drop among indoor units.
Coef×35.6×Lk
n
× ik)
1000×Ak
k=1
NOTE
• Coef: 1.55
• Lk: Distance among each indoor unit[m], Ak: Power
cable specification[mm
2
• ik: Running current of each unit[A]
Indoor unit 2
20[m]
Rating current(A)
0.83
< 10% of input voltage[V]
]
1 [A]
Indoor unit
100[m]
English
17
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