Table of Contents
Advertisement
Specification of electric cables between indoor units
Power supply
(1 phase)
220 - 240 V~ 50/60 Hz
Max. : 253 V
Min. : 187 V
❋ Select the power cable by referring to the formula 2 below.
❋ Power Supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible
cord. (Code designation IEC:60245 IEC 57 / CENELEC: H05RN-F or IEC:60245 IEC 66 / CENELEC: H07RN-F)
1. Select the capacity of ELB and MCCB by referring to the formula below.
❋ X : The capacity of ELB, MCCB
❋
❋ Rated current
Model
AM140✴NPDKH✴
2. When selecting the thickness of cable or length of cable, make sure that the sum of voltage drop between indoor units is
10 % or less of input power (220 - 240 V).
n
(
k=1
❋ Coef: Use about 1.55 in consideration of contact resistance when tightening the terminal of a wire.
❋ L
: Distance between indoor units [m], A
k
i
: Electric current between indoor units[A]
k
MCCB
ELB
X A, 30 mA
X A
0.1 s
Coef × 35.6 × L
× i
k
k
) < 10 % of input voltage[V]
1000 × A
k
: Thickness of a wire (mm
k
ENGLISH-17
Power cable
Ground wire
2
2.5 mm
2.5 mm
Rated current (A)
0.9
2
)
Communication cable
2
0.75 ~ 1.5 mm
2
Advertisement
Table of Contents
