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Mitsubishi Electric FR-F700PJ Instruction Manual Page 50

Air-conditioning inverter.
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(2)
Connection example with the FR-BR(-H) type resistor
Three-phase AC
power supply

Connect the inverter terminals (P/+ and N/-) and brake unit (FR-BU2) terminals so that their terminal names match
with each other. (Incorrect connection will damage the inverter and brake unit.)

When the power supply is 400V class, install a stepdown transformer.

The wiring distance between the inverter, brake unit (FR-BU2) and resistor unit (FR-BR) should be within 5m each.
Even when the wiring is twisted, the cable length must not exceed 10m.

The contact between TH1 and TH2 is closed in the normal status and is open at a fault.

A jumper is connected across BUE and SD in the initial status.
NOTE
 Do not remove the jumper across terminals P/+ and P1 except when connecting a Filterpack or a DC reactor.
MCCB
MC
R/L1
S/L2
T/L3
Inverter
Connection of stand-alone option unit

T
MC
Motor
U
P
M
V
PR
W

PR
P/+
P/+

N/-
N/-
BUE
SD

5m or less
ON
OFF
MC
FR-BR

TH1
TH2
FR-BU2
A
B

C

2
37

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