Mitsubishi Electric 800 Series Instruction Manual page 67

Connection of stand-alone option units
2.11.4
Connection of the high power factor converter
(FR-HC2)
When connecting the high power factor converter (FR-HC2) to suppress power harmonics, perform wiring securely as shown
below. Incorrect connection will damage the high power factor converter and the inverter.
After making sure that the wiring is correct and secure, set the rated motor voltage in Pr.19 Base frequency voltage (under
V/F control) or Pr.83 Rated motor voltage (under other than V/F control) and "2 or 102" in Pr.30 Regenerative function
selection.
MCCB
Three-phase
AC power
supply

Do not connect anything to power input terminals (R/L1, S/L2, T/L3). Incorrect connection will damage the inverter. (E.OPT (option fault) will
occur.)

Remove the jumper across terminals P/+ and P1.

Do not install an MCCB across the terminals P/+ and N/- (across terminals P and P/+ or across N and N/-). Connecting the opposite polarity
of terminals N/- and P/+ will damage the inverter.

Use Pr.178 to Pr.189 (input terminal function selection) to assign the terminals used for the X10 (X11) signal.
For RS-485 or any other communication where the start command is only transmitted once, use the X11 signal to save the operation mode
at the time of an instantaneous power failure.

Assign the IPF signal to an FR-HC2 terminal. (Refer to the Instruction Manual of the FR-HC2.)

Always connect the FR-HC2 terminal RDY to a terminal where the X10 signal or MRS signal is assigned in the inverter. Always connect the
FR-HC2 terminal SE to the inverter terminal SD. Not connecting these terminals may damage the FR-HC2.

Always connect the R/L1, S/L2, and T/L3 terminals of FR-HC2 to the power supply. Operating the inverter without connecting them will
damage the FR-HC2.

Do not install an MCCB or MC between the reactor 1 terminals (R/L1, S/L2, T/L3) and the FR-HC2 terminals (R4/L14, S4/L24, T4/L34). It
will not operate properly.

Securely perform grounding (earthing) by using the grounding (earthing) terminal.
 Installation of a fuse is recommended. (Refer to the Instruction Manual of the FR-HC2.)
NOTE
• The voltage phases of terminals R/L1, S/L2, and T/L3 and the voltage phases of terminals R4/L14, S4/L24, and T4/L34 must
be matched.
• The control logic (sink logic/source logic) of the high power factor converter and the inverter must be matched. (Refer to
37.)
• For the parameter details, refer to the FR-A800 Instruction Manual (Detailed).
66
INSTALLATION AND WIRING
Outside box
Reactor1
(FR-HCB2)
(FR-HCL21)
MC
∗8
∗8
R2/
R/
R2/
L12
L1
L12
S2/
S/
S2/
L2 L22
L22
T/ T2/ T2/
L32
L3 L32
∗9
High power
factor converter
Reactor2
(FR-HC2)
(FR-HCL22)
∗8
R3/
∗8
R3/ R4/
R4/L14
L13
L13 L14
S3/
S3/ S4/
S4/L24
L23
L24
L23
T3/
T3/ T4/
T4/L34
L33
L33 L34
∗9
ROH1
ROH
ROH2
SD
88R 88R
88S 88S
R/L1
∗9
S/L2 ∗7
T/L3
R1/L11
S1/L21
Inverter
∗1
R/L1
U
S/L2
V
T/L3
W
∗10
∗2
P1
Fuse
P/+ P/+
∗3
N/-
N/-
∗6
∗4
RDY X10
∗5 X11 ∗4
IPF
RSO RES
SE SD
∗9
∗9
Motor
M
Earth
(ground)
page