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