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Installation Pr
oc
edur
e
English
Rated currents
Mode
Rated current (A)
AG060∗N4DKH∗
0.37
AG072∗N4DKH∗
0.50
AG090∗N4DKH∗
0.58
AG105∗N4DKH∗
0.79
Select the cable thickness and wiring length so that
the total voltage drop between the fan coil units is
less than about 10% of the input voltage (220 V).
※ coef: Approximately 1.55 in consideration of the contact
resistance when the wire is fastened to the terminal
※ Lk: Distance between fan coil units [m], Ak: Thickness of the
power cable [mm
2
]
ik: Current between fan coil units [A]
∑ (
Coef×35.6×L
k
× i
k
) <
10% of input voltage [V]
1000×A
k
n
k=1
Installation example
Total power cable length L = 100 [m], initial pull-in current i = 10 [A], running current of each unit = 1 [A], total 10 fan
coil units are installed
∑ (
Coef×35.6×L
k
×i
k
) <10% of input voltage [V]
1000×A
k
n
k=1
Apply the following formula.
Calculation
220 [V]
-2.2 [V]
-2.0 [V]
············ 2.5 [mm2] ············
208.8 [V]: Applicable
-(2.2+2.0+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-11.2 [V]
2.5 [mm2]
2.5 [mm2]
Within 198V to 242V
• Installing with one type of wire
220 [V]
-1.4 [V]
-1.2 [V]
············ 2.5 [mm2] ············
209.5 [V]: Applicable
-(1.4+1.2+1.8+1.5+1.3+1.1+0.9+0.7+0.4+0.2)=-10.5 [V]
4.0 [mm2]
4.0 [mm2]
Within 198V to 242V
• Installing with two types of wires
0 [m]
10 [m]
20 [m]
100 [m]
10 [A]
9 [A]
1 [A]
MCCB
Fan coil unit
Fan coil unit
Fan coil unit
ELB
DB68-11289A-01_IM_DVM FCU WindFree 4way_EU_EN_.indb 23
2022-04-26 오전 8:55:21