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Connection Of The Power Regeneration Common Converter (fr-cv); Connection Of The Dc Reactor (fr-hel) - Mitsubishi Electric FR-E720-0.1K(SC) Instruction Manual

Fr-e700 series.
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2.4.4

Connection of the power regeneration common converter (FR-CV)

When connecting the power regeneration common converter (FR-CV), connect the inverter terminals (P/+, N/-) and power
regeneration common converter (FR-CV) terminals as shown below so that their symbols match with each other.
MCCB
MC
Three-phase
AC power supply
∗1
Keep input terminals (R/L1, S/L2, T/L3) open. Incorrect connection will damage the inverter.
∗2
Do not insert an MCCB between the terminals P/+ and N/- (between P/L+ and P/+, between N/L- and N/-). Opposite polarity of terminals
N/- and P/+ will damage the inverter.
∗3
Always connect the power supply and terminals R/L11, S/L21, T/MC1.
Operating the inverter without connecting them will damage the power regeneration common converter.
∗4
Use Pr. 178 to Pr. 184 (input terminal function selection) to assign the terminals used for the X10, RES signal. (Refer to page 139)
∗5
Be sure to connect terminal RDYB of the FR-CV to the X10 signal or MRS signal assigned terminal of the inverter, and connect terminal
SE of the FR-CV to terminal SD of the inverter. Without proper connecting, FR-CV will be damaged.
NOTE
The voltage phases of terminals R/L11, S/L21, T/MC1 and terminals R2/L1, S2/L2, T2/L3 must be matched.
Use sink logic (factory setting) when the FR-CV is connected. The FR-CV cannot be connected when source logic is
selected.
Do not remove a jumper across terminal P/+ and P1.
2.4.5

Connection of the DC reactor (FR-HEL)

When using the DC reactor (FR-HEL), connect it across terminals P/+ and P1.
In this case, the jumper connected across terminals P/+ and P1 must be removed. Otherwise, the reactor will not exhibit its
performance.
NOTE
The wiring distance should be within 5m.
The size of the cables used should be equal to or larger than that of the power supply cables (R/L1, S/L2, T/L3). (Refer
to page 18)
Single-phase 100V power input model is not compatible with DC reactor.
Dedicated stand-alone
reactor (FR-CVL)
1
R/L
R2/L
11
12
S/L
21
S2/L
22
T/L
T2/L
31
32
Remove the jumper.
Connection of stand-alone option unit
FR-CV type power
regeneration common converter
R2/L
1
S2/L
P/L+
2
T2/L
3
N/L-
P24
R/L
11
SD
S/L
21
*3
RDYA
T/MC1
*5
RDYB
RSO
SE
P1
P/+
FR-HEL
R/L1
U
S/L2
*1
IM
V
T/L3
W
Inverter
P/+
*2
N/-
PC
SD
X10
*4
RES
*4
SD
39
2

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