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Wiring - Mitsubishi Electric FR-XC-18.5K-PWM Instruction Manual

Fr-xc series multifunction regeneration converter
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2.8

Wiring

• Incorrect wiring will cause a fault indication, failure, or damage of the multifunction regeneration converter.
• Refer to the Instruction Manual of each inverter for the wiring of the inverter. Special attention must be paid to the wiring
length and cable size.
2.8.1
Terminal connection diagram
Common bus regeneration mode with harmonic suppression disabled
MCCB
MC
∗8
Fuse
R/L1
∗8
Fuse
S/L2
Power
∗8
supply
Fuse
T/L3
∗1
Never connect the power supply to terminals R/L1, S/L2, and T/L3
on the inverter. Incorrect connection will damage the inverter and the
converter.
∗2
Connect between the inverter terminal P/+ and the converter
terminal P/+ and between the inverter terminal N/- and the converter
terminal N/- for polarity consistency.
Connecting opposite polarity of terminals P/+ an N/- will damage the
converter and the inverter.
∗3
Confirm the correct phase sequence of three-phase current to
connect between the reactor and the converter, and between the
power supply and the converter (terminals R/L1, S/L2, and T/L3).
Incorrect connection will damage the converter.
∗4
Always connect between the power supply and terminals R/L1, S/L2,
and T/L3 of the converter. Operating the inverter without connecting
them will damage the converter.
∗5
Assign the X10 signal to any of the input terminals.
∗6
Do not connect anything to terminal P4.
∗7
To use separate power supply for the control circuit, remove each
jumper at terminal R1/L11 and terminal S1/L21.
∗8
Install the UL listed fuse (refer to
reactor to meet the UL/cUL standards.
∗9
Do not install an MCCB or MC between the reactor and the
converter. Doing so disrupts proper operation.
CAUTION
 In the common bus regeneration mode, always connect between the converter terminal RYB and the inverter terminal to which the X10
(MRS) signal is assigned, and also connect between the converter terminal SE and the inverter terminal SD. If the terminals are not
connected, the converter may be damaged.
FR-XC
FR-XCL
∗3∗9
R2/L12
R2/L12
S2/L22
S2/L22
T2/L32
T2/L32
SOURCE
SINK
∗3∗4
R/L1
S/L2
RSO
∗7
T/L3
R1/L11
S1/L21
PU
RES
connector
SOF
LOH
SD
page
179) on the input side of the
∗6
P4
Junction terminal
P/+
Fuse
N/-
Fuse
RYA
RYB
SE
C
B
A
Junction terminal
Fuse
Fuse
Junction terminal
Fuse
Fuse
INSTALLATION AND WIRING
Wiring
Inverter
∗1
R/L1
U
S/L2
V
IM
M
T/L3
W
R1/L11
S1/L21
P/+
∗2
N/-
∗5
X10(MRS)
RES
SD
Inverter
∗1
R/L1
U
S/L2
V
IM
M
T/L3
W
R1/L11
S1/L21
P/+
∗2
N/-
X10(MRS)
∗5
RES
SD
Inverter
∗1
R/L1
U
S/L2
V
IM
M
T/L3
W
R1/L11
S1/L21
P/+
∗2
N/-
∗5
X10(MRS)
RES
SD
57
2

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