Samsung AM AN1PCH Series Installation Manual page 21

Specifications of the terminal blocks
AC power: M4 screw
0.43(11)
0.51(13)
Power supply
MCCB
(single phase)
Min : 187V
XA
Max : 253V
Power cable Earth cable
0.004 inch²
(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.
NOTE
• X : The capacity of ELB, MCCB
•
10 [A]
MCCB+ELB
or
ELCB
0[m]
• Apply following equation.
Coef×35.6×L ×i
n
k k
1000×A
k=1 k
Unit: inch(mm)
Communication: M3.5 screw
0.3(7.5) 0.35(9)
ELB
XA, 30 mA
0.1 s
Communication cable
0.0011~0.0023 inch²
(0.75~1.5 mm²)
9 [A]
Indoor unit 1
10[m](32.8 ft)
) < 10% of input voltage[V]
Rated currents
Model
AM005AN1PCH*
AM007AN1PCH*
AM009AN1PCH*
AM012AN1PCH*
AM015AN1PCH*
AM018AN1PCH*
AM024AN1PCH*
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(inch²)
• ik: Running current of each unit[A]
Example of Installation
10 indoor units were installed
Indoor unit 2
20[m](65.62 ft)
Rating current(A)
0.14
0.15
0.23
0.25
0.26
0.28
0.40
< 10% of input voltage[V]
]
1 [A]
Indoor unit 10
100[m](328 ft)
English
21