29
ENGLISH
f
Apply following equation
n
∑(
k=1
Coef×35 .6×Lk×ik
) < 10 % of input voltage[V]
1000×Ak
❋
Calculation
• Installing 1 type of wire .
220 [V]
-2 .2 [V]
-2 .0 [V]
············ 2 .5 mm
2
(0 .0039 inch
2
) ············
208 .8 [V] (Within 187 V~253 V)
-(2 .2+2 .0+1 .8+1 .5+1 .3+1 .1+0 .9+0 .7+0 .4+0 .2)=-11 .2 [V]
it's okay
2 .5 mm
2
(0 .0039 inch
2
)
2 .5 mm
2
(0 .0039 inch
2
)
• Installing with 2 different sort wire .
220 [V]
-1 .4 [V]
-1 .2 [V]
············ 2 .5 mm
2
(0 .0039 inch
2
) ············
209 .5 [V] (Within 187 V~253 V)
-(1 .4+1 .2+1 .8+1 .5+1 .3+1 .1+0 .9+0 .7+0 .4+0 .2)=-10 .5[V]
it's okay
4 .0 mm
2
(0 .0062 inch
2
)
4 .0 mm
2
(0 .0062 inch
2
)
Overall system configuration
DVM Hydro unit / Hydro unit HT use 208~230 V
DVM Hydro unit
Distribution board
Outdoor unit
Indoor unit
Earth
Earth
Communication cable
Wired remote
controller
Wired remote
controller
Exclusive
wired remote
controller
Wired remote
controller
MCCB
+ ELB
ELCB
or
DVM
Hydro
unit
MCCB
+ ELB
ELCB
or
1 Phase
DB68-12327A-00_IM_DVM Hydro HT_AA_EN_.indd 29
DB68-12327A-00_IM_DVM Hydro HT_AA_EN_.indd 29
2023-06-15 오전 10:37:26
2023-06-15 오전 10:37:26