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