10. Installation
N
1-NO
N
2-NO 2-NC
• Depending on the 05 series installation options (SEG15 and SEG22), the contact output signals are as follows:
SEG22: 0 (Cooling/Heating synchronizing signal)
SEG22: 1 (Cooling/Heating signal separated)
SEG15: 0
SEG15: 1
SEG15: 0
SEG15: 1
Valve Common
terminal
Optional
terminal
Cooling
T-ON
Heating
T-ON
Operation
OFF
Cooling
T-ON
Heating
T-ON
Operation
OFF
Cooling
T-ON
Heating
T-ON
Operation
OFF
Cooling
T-ON
Heating
T-ON
Operation
OFF
Valve 1
N
NO
ON
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
ON
NC
OFF
OFF
ON
ON
ON
OFF
OFF
ON
ON
ON
OFF
OFF
Valve 2
N
NO
ON
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
ON
NC
OFF
OFF
ON
ON
ON
OFF
OFF
ON
ON
ON
OFF
OFF
※
ON (220 VAC), OFF (0 VAC)
• The terminal output upon T-OFF is subject to change depending on the 05 series installation options, SEG16.
4
Specifications of electrical wiring between fan coil units
Power supply (single phase)
MCCB
ELB
Power cable
Earth wire
Communication cable
220 to 240 V
Min. 198V
Max. 264V
XA
XA, 30 mA
0.1 s
2.5 mm²
or more
2.5 mm²
0.75 to 1.5 mm²
• Decide the capacity of ELB and MCCB using the
following formula.
X [A] = 1.25 X 1.1 X ∑Ai
NOTE
• X: The capacity of ELB, MCCB
•
∑Ai: Sum of the rated currents of the fan coil units
Rated currents
Mode
Rated current (A)
AG026TN1DKH*
0.14
AG032TN1DKH*
0.19
AG042TN1DKH*
0.29
• 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 × 35.6 × L
k
× i
k
) < 10 % of input voltage [V]
1000×Ak
※
※
Coef: 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 power cable [mm²]
ik: Current between fan coil units [A]
n
k=1
