18
Installation Procedure
English
Installation Pr
oc
edur
e
Specifications of the terminal blocks
Unit : mm(inch)
AC power: M4 screw
Communication: M3.5 screw
11 (7/16)
13 (1/2)
7.5 (5/16) 9.0 (3/8)
13
.8 (9
/1
6)
18 (
11
/16)
Power supply
(single phase)
MCCB
ELB
Min : 187V
Max : 253V
XA
XA, 30 mA
0.1 s
Power cable
Earth cable
Communication cable
2.5 mm²
(0.004 inch²)
0.75~1.5 mm²
(0.0011~0.0023 inch²)
Decide the power cable specification and maximum
length by formula
2
.
1
Decide the capacity of ELB and MCCB by below
formula.
Ɵ˵ʪʀɇΧɇʀ̈ϩцͱ˙kø9ࡡđAA9ǹࣄࣅॉߢࢋߣߦǹߢࢋߢǹן̈
NOTE
• X : The capacity of ELB, MCCB
•
ן̈ࡠƊЇ͔ͱ˙θɇϩ̈͝˝ʀЇθθʪ͝ϩϑͱ˙ʪɇʀ˵̈͝ʒͱͱθЇ̈͝ϩࢋ
Rated currents
Model
Rating current(A)
AM007NN1DCH*
0.23
AM009NN1DCH*
0.25
AM012NN1DCH*
0.28
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
²(inch²)
]
• ik: Running current of each unit[A]
Example of Installation
Ɵͱϩɇ̷Χͱиʪθʀɇɵ̷ʪ̷ʪ͝˝ϩ˵øॉߢߡߡ͔࣍ߤߣߩࢋߡߩ˙ϩ࣎ࡡÃ̈͝ϩ̈ɇ̷ΧЇ̷̷ࣗ
̈͝ʀЇθθʪ͝ϩॉߢߡࣄࣅࡡŵЇ̈͝͝͝˝ʀЇθθʪ͝ϩͱ˙ʪɇʀ˵Ї̈͝ϩϑॉߢࣄࣅࡡ
Total 10 indoor units were installed
or
10 [A]
ELCB
MCCB+ELB
9 [A]
1 [A]
0[m]
10[m](32.8 ft)
20[m](65.62 ft)
100[m](328 ft)
Indoor unit 1
Indoor unit 2
Indoor unit 10
• Apply
following
equation.
n
Coef×35.6×L
k
×i
k
॥࣍
) <
10% of input voltage[V]
k=1
1000×A
k
k}t㨰䛙~TmGX ptluki]_TW^\\WhTWXUGGGX_
YWX_TWYTY_GGG㝘㤸GXXaXXa[\