29
EN
G
LIS
H
Selecting compressed ring terminal
Silver solder
Unit : inch(mm)
Nominal
dimensions
for cable
[inch
2
(mm
2
)]
Nominal
dimensions
for screw
[inch
2
(mm
2
)]
B
D
d1
E
F
L
d2
t
Standard
dimension
Allowance
Standard
dimension
Allowance
Standard
dimension
Allowance
Min.
Min.
Max.
Standard
dimension
Allowance
Min.
0.0023
(1.5)
0.16 (4)
0.26 (6.6) ±0.0079
(±0.2)
0.13
(3.4)
+0.012 (+0.3)
-0.0079 (-0.2)
0.067(1.7)
±0.0079
(±0.2)
0.16
(4.1)
0.24
(6)
0.63
(16)
0.17 (4.3)
+0.0079 (+0.2)
0
0.028
(0.7)
0.16 (4)
0.31 (8)
0.0039
(2.5)
0.16 (4)
0.26 (6.6) ±0.0079
(±0.2)
0.17
(4.2)
+0.012 (+0.3)
-0.0079 (-0.2)
0.091(2.3)
±0.0079
(±0.2)
0.24
(6)
0.24
(6)
0.69
(17.5)
0.17 (4.3)
+0.0079 (+0.2)
0
0.031
(0.8)
0.16 (4)
0.33 (8.5)
0.0062 (4)
0.16 (4)
0.37 (9.5)
±0.0079
(±0.2)
0.22
(5.6)
+0.012 (+0.3)
-0.0079 (-0.2)
0.134(3.4)
±0.0079
(±0.2)
0.24
(6)
0.20
(5)
0.79
(20)
0.17 (4.3)
+0.0079 (+0.2)
0
0.035
(0.9)
Specification of electronic wire
Power supply
MCCB
ELB
Power cable
Earth cable
Communication cable
Max : 242V
Min : 198V
XA
XA, 30 mA
0.1 sec
0.0039inch
2
(2.5mm
2
)
0.0039inch
2
(2.5mm
2
)
0.0012~0.0023inch
2
(0.75~1.5mm
2
)
❋
❋
Run transmission wiring between the indoor and outdoor units through a conduit to protect against external forces, and
feed the conduit through the wall together with refrigerant piping.
❋
❋
Rating current
Unit
Model
Rating current
ND
✴✴✴
HH
✴✴✴
✴✴
220
✴✴
3.8A
✴✴
280
✴✴
5.9A
X
f
Decide the capacity of ELCB(or MCCB+ELB) by below formula.
The capacity of ELCB(or MCCB+ELB) X[A] = 1.25 X 1.1 X ∑Ai
❋
❋
X : The capacity of ELCB(or MCCB+ELB).
❋
❋
∑Ai : Sum of Rating currents of each indoor unit.
❋
❋
Refer to each installation manual about the rating current of indoor unit.
X
f
Decide the power cable specification and maximum length within 10% power drop among indoor units.
n
Coef×35.6×Lk×ik
10% of input voltage[V]
∑
(
) <
1000×Ak
k=1
• coef : 1.55
• Lk : Distance among each indoor unit[ft(m)], Ak : Power cable specification[inch
2
(mm
2
)]
ik : Running current of each unit[A]
Big Duct_IBIM_E_33766-3.indd 29
2012-01-13 오후 9:40:32