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Connection Of The High Power Factor Converter (fr-hc2) - Mitsubishi Electric 800 Series Hardware Instruction Manual

Separated converter type.
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NOTE
• The warning "oL" of the stall prevention (overvoltage) is disabled while Pr.30 Regenerative function selection = "11 or 111".
• For the parameter details, refer to the FR-A800 Instruction Manual (Detailed).
2.10.2 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 follows.
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.
∗11
MCCB
MC
Power
Supply
*1
Remove jumpers installed between terminals R1/L11 and S1/L21 of the inverter, and connect the power supply for the control circuit to terminals
R1/L11 and S1/L21.
*2
For wiring, the power phase must be consistent between terminals R4/L14, S4/L24, and T4/L34 and terminals R/L1, S/L2, and T/L3.
*3
Do not install an MCCB across terminals P/+ and N/- (between terminals P and P/+ or between terminals N and N/-). Connecting the opposite
polarity of terminals N/- and P/+ will damage the inverter.
When using the FR-HC2 with the FR-A802 series, installation of a fuse is not required.
*4
Change the FR-HC2 parameter setting to Pr.10 RDY signal logic selection = "0" (positive logic).
*5
Use Pr.178 to Pr.189 (Input terminal function selection) to assign the terminals used for the 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.
*6
Assign the IPF signal to a terminal on the FR-HC2. (Refer to the Instruction Manual of the FR-HC2.)
*7
Always connect between the FR-HC2 terminal RDY and the inverter terminal MRS (X10), and between the FR-HC2 terminal SE and the inverter
terminal SD. Not connecting these terminals may damage the FR-HC2.
*8
Always connect terminals R/L1, S/L2, and T/L3 on the FR-HC2 to the power supply. Operating the inverter without connecting them will damage
the FR-HC2.
*9
Do not install an MCCB or MC across terminals (R/L1, S/L2, T/L3) on the reactor 1 and terminals (R4/L14, S4/L24, T4/L34) on the FR-HC2. Doing
so disrupts proper operation.
*10 Securely perform grounding (earthing) by using the grounding (earthing) terminal.
*11 The number of connected peripheral devices differs according to the capacity. For the details, refer to the Instruction Manual of the FR-HC2.
72
2. INSTALLATION AND WIRING
2.10 Connection of stand-alone option units
Limit resistor
Reactor 1
(FR-HCL21)
∗9
∗9
R/
R2/
L1
L12
S2/
S/
L2
L22
T2/
T/
L3
L32
Filter capacitors 2
∗11
(FR-HCC2)
Filter capacitor
alarm detector
(NC contact) 2
∗11
MC
Bu2
MC1
Auxiliary contact for
Buffer relay for
filter capacitor
limit MCs (NO contact) 3
alarm detectors
Limit MC
MC power
supply
stepdown
transformer
factor converter
Reactor 2
(FR-HCL22)
MC1
∗9
R3/
R4/
R4/L14
L13
L14
MC2
S3/
S4/
S4/L24
L24
L23
MC3
T4/
T3/
T4/L34
L33
L34
∗2
Limit resistor (with thermostat)
(NC contact) 3
Mini relay for filter
capacitor alarm detector
ROH
MC2 MC3
MC
Small
SD
MC1
MC2
MC3
MC
88R
Bu1
Buffer relay for driving MCs
88S
R/L1
S/L2
T/L3
R1/L11
S1/L21
High power
(FR-HC2)
Inverter
R1/L11
S1/L21
∗3
P/+
P/+
N/-
N/-
Fuse
∗7
RDY
X10
∗4
∗6
IPF
X11
RES
RSO
∗7
SD
SE
∗8
∗10
∗1
U
V
M
W
Earth
(Ground)
∗5
∗10

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