Mitsubishi Electric FR-F820-00046 Instruction Manual page 68

Fr-f800 series
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 Connection method
Connection diagram
MC
R/L1
S/L2
T/L3
R1/L11
S1/L21
Remove the jumper
• A820-00167(3.7K) or lower, FR-F840-00126(5.5K) or lower
(c)
R/L1
(a)
(b)
R1/L11
(d)
(a)Remove the upper screws.
(b)Remove the lower screws.
(c)Remove the jumper.
(d)Connect the separate power cable for the control circuit to the lower terminals (R1/L11, S1/L21).
• FR-F820-00340(7.5K) to FR-F820-00630(15K), FR-F840-00170(7.5K) to FR-F840-00380(18.5K)
(b)
(d)
Main circuit terminal block
(a)Remove the upper screws.
(b)Remove the lower screws.
(c)Remove the jumper.
(d)Connect the separate power cable for the control circuit to the upper terminals (R1/L11, S1/L21).
If a fault occurs and the electromagnetic contactor (MC) installed at the inverter's
input line is opened, power supply to the control circuit is also stopped and the fault
Inverter
signals cannot be output anymore. Terminals R1/L11 and S1/L21 of the control
circuit are provided to keep outputting the fault signals in such a case. Follow the
following steps to wire terminals R1/L11 and S1/L21 on the inverter to the power
input lines of the MC. Do not connect the power cable to incorrect terminals. Doing
so may damage the inverter.
S/L2
T/L3
S1/L21
Main circuit terminal block
(c)
R1/L11
S1/L21
(a)
R/L1
T/L3
S/L2
2. INSTALLATION AND WIRING
2.6 Control circuit
1
2
3
4
5
6
7
8
9
10
67

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