Samsung AM0 SERIES Installation Manual page 24

Selecting compressed ring terminal
Norminal Norminal
dimensions dimensions
for cable for screw
(inch 2 ) (inch)
0.16
0.0023
0.16
0.16
0.0039
0.16
0.0062 0.16
Specification of electronic wire
Power supply
Max : 242 V
Min : 198 V
❈ 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.
• Decide the capacity of ELCB(or MCCB+ELB) by below formula.
✴ 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.
• Decide the power cable specification and maximum length within 10% power drop among indoor units.
✴ Coef: 1.55
✴ L : Distance among each indoor unit[m]
k
A : Power cable specification[mm
k
Running current of each unit[A]
AM0**JNZDCH/AA IM ENG_V1.5_07082015
B D
Standard Standard
Allowance Allowance
dimension dimension
(inch) (inch)
(inch) (inch)
0.26
+0.012
±0.0079 0.13
-0.0079
0.31
0.26
+0.012
±0.0079 0.17
-0.0079
0.33
+0.012
0.37 ±0.0079 0.22
-0.0079
MCCB ELB or ELCB
XA, 30 mA
XA
0.1 sec
The capacity of ELCB(or MCCB+ELB) X [A] = 1.25 X 1.1 X ΣAi
n
Coef×35.6×L
Σ (
1000×A
k=1
] i :
2
k
Silver solder
d1 E F
Standard
Allowance
dimension Min. Min. Max.
(inch)
(inch)
0.067 ±0.0079 0.16 0.24 0.63
0.091 ±0.0079 0.24 0.24 0.69
0.134 ±0.0079 0.24 0.20 0.79
Power cable Earth cable
0.0039 inch 0.0039 inch
2
(2.5 mm ) (2.5 mm
2
×i
k k
) < 10% of input voltage[V]
k
23
L d2 t
Standard
Allowance
dimension Min.
(inch)
(inch)
±0.0079
0.17 0.028
0
±0.0079
0.17 0.031
0
±0.0079
0.17 0.035
0
Communication cable
0.0012~0.0023 inch
2 2
) (0.75~1.5 mm )
2 2