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Note: *1.The cable used should be 75°C copper cables.
*2.Use the UL approved round crimping terminals. Crimp the terminals with the crimping tool
recommended by the terminal manufacturer.
*3.Tighten the terminal screws to the specified torques. Undertigtening can cause a short or misoperation.
Overtigtening can cause the screws and unit to be damaged, resulting in a short or misoperation.
*4.This column is for Low Voltage Directive.
(2) Wiring example (FR-A500 series)
The wiring method varies with the inverter series.
Type
Terminal
screw
size
Tightening
torque
N
·
m *3
Crimping
terminal *2
Cables PVC insulated Cables
mm
2
AWG
*
1mm
2
*
4
R3, S3,
T3
R4, S4,
T4
R3, S3,
T3
R4, S4,
T4
R3, S3,
T3
R4, S4,
T4
R3, S3,
T3
R4, S4,
T4
FR-HCL02-7.5K M5 2 8-5 8-5 8 8 8 8 6 6
FR-HCL02-15K M6 4 22-6 22-6 22 22 4 4 16 16
FR-HCL02-30K M8 7 60-8 60-8 60 60 1/0 1/0 50 50
FR-HCL02-55K M12 24 150-12 150-12 150 150
MCM
300
MCM
300
––
FR-HCL02-H7.5K M4 1 3.5-4 3.5-4 3.5 3.5 12 12 4 4
FR-HCL02-H15K M5 2 8-5 8-5 8 8 8 8 10 10
FR-HCL02-H30K M6 4 22-6 22-6 22 22 4 4 25 25
FR-HCL02-H55K M8 7 60-8 60-8 60 60 1/0 1/0 50 50
Note: 1.Use care to minimize the wiring distance between respective terminals.
2.Before starting wiring, cover the top ventilation hole to prevent wire offcuts from entering.
3.Use the ground terminal to ground the equipment securely.
4.Keep the inverter’s power input terminals R, S, T open. The inverter will be damaged if they are
connected accidentally. Also, opposite polarity of terminals P, N will damage the high power factor
converter and inverter.
5.The terminals used with the X10, X11 signals require their functions to be set. (Refer to the inverter
instruction manual for details.)
6.Match the power supply phases before connecting terminals R4, S4, T4 and terminals R, S, T.
7.A different power supply may be supplied to terminals R1 and S1.
8.Keep the high power factor converter’s terminals R1, S1 unconnected.
9.Do not insert the NFB between terminals P-N (P-P, N-N).
10.The R, S, T terminals of the high power factor converter (FR-HC) must be connected to the power supply.
Running the inverter without connecting the terminals to the power supply will damage the high power
factor converter (FR-HC).
CAUTION
Confirm the connection sequence of the reactors 1 and 2. Incorrect connection will make
them abnormally hot.
Power
supply
NFB MC
1)
2)
3) 4) 5)
6)
7)
Reactor 1
(FR-HCL01)
R
S
T
R2
S2
T2
R2
S2
T2
MC
External box
(FR-HCB)
MC1
MC2
MC1
MC2
R3
S3
T3
R3
S3
T3
R4
S4
T4
R4
S4
T4
Filter capacitor
Reactor 2
(FR-HCL02)
R
S
T
R1
S1
R
S
T
R1
S1
(Note 8)
SD
SE
X11
RES
X10
N
P
N
P
RDY
RSO
Y1 or Y2
U
V
W
Motor
High power factor converter
(FR-HC)
(Note 7)
(Note 5)
(Note 5)
(Note 9)
(Note 4)
Resistor
Resistor
Inverter
(FR-A500 series)