Compatible inverters: FR-A842-07700(315K) to 12120(500K)
OUTLINE
1
INVERTER-TO-
CONVERTER
CONVERSION
INSTALLATION AND
WIRING
PRECAUTIONS FOR USE
OF THE CONVERTER
PARAMETERS
PROTECTIVE FUNCTIONS
PRECAUTIONS FOR
MAINTENANCE AND
INSPECTION
SPECIFICATIONS
2
3
4
5
6
7
8
CONVERTER-TO-
INVERTER CONVERSION
9
Thank you for choosing this Mitsubishi Electric inverter plug-in option.
WARNING
CAUTION
CAUTION
This Instruction Manual provides handling information and precautions for use of the this product. Incorrect handling might cause
an unexpected fault. Before using this product, always read this Instruction Manual carefully to ensure proper use.
Please forward this Instruction Manual to the end user.
Injury prevention
Safety instructions
Do not attempt to install, operate, maintain or inspect this
product until you have read through this Instruction Manual
and appended documents carefully and can use the
equipment correctly. Do not use this product until you have a
full knowledge of the equipment, safety information and
instructions.
In this Instruction Manual, the safety instruction levels are
classified into "WARNING" and "CAUTION"
Incorrect handling may cause
hazardous conditions, resulting in
death or severe injury.
Incorrect handling may cause
hazardous conditions, resulting in
medium or slight injury, or may cause
only material damage.
Note that even the level may lead to a
serious consequence depending on conditions.
Be sure to follow the instructions of both levels as they are
critical to personnel safety.
Electric shock prevention
WARNING
Do not remove the front cover or the wiring cover while the
inverter or the high power factor converter (converted from the
inverter, hereafter called "converter") is powered ON. Do not
operate the inverter/converter with any cover or wiring cover
removed, as accidental contact with exposed high-voltage
terminals and internal components may occur, resulting in an
electrical shock.
Even if power is OFF, do not remove the front cover except for
wiring or periodic inspection as the inside of the inverter/
converter is charged. Doing so may cause an electric shock.
Before wiring or inspection, check that the LED display of the
operation panel is OFF. Any person who is involved in wiring or
inspection shall wait for 10 minutes or longer after the power
supply has been cut off, and check that there are no residual
voltage using a tester or the like. The capacitor is charged with
high voltage for some time after power OFF, and it is dangerous.
The inverter/converter must be earthed (grounded). Earthing
(grounding) must conform to the requirements of national and
local safety regulations and electrical code (NEC section 250,
IEC 61140 class 1 and other applicable standards).
Any person who is involved in wiring or inspection of this product
shall be fully competent to do the work.
The inverter/converter must be installed before wiring.
Otherwise, electric shock or injury may result.
Do not touch the setting dial or keys with wet hands. Doing so
may cause an electric shock.
Do not subject the cables to scratches, excessive stress, heavy
loads or pinching. Doing so may cause an electric shock.
Do not change the cooling fan while the inverter/converter is
powered ON as it is dangerous.
Do not touch the printed circuit board or handle the cables with
wet hands. Doing so may cause an electric shock.
Fire prevention
CAUTION
The inverter/converter must be installed on a nonflammable wall
without holes. Installing it to or near flammable material can
cause a fire.
If the inverter/converter has become faulty, its power must be
switched OFF. A continuous flow of large current may cause a
fire.
Be sure to perform daily and periodic inspections as specified in
the Instruction Manual. If the inverter/converter is used without
any inspection, a burst, breakage, or a fire may occur.
CAUTION
The voltage applied to each terminal must be as specified in the
Instruction Manual. Otherwise a burst, damage, etc. may occur.
The cables must be connected to the correct terminals.
Otherwise a burst, damage, etc. may occur.
The polarity (+ and -) must be correct. Otherwise a burst,
damage, etc. may occur.
While power is ON or for some time after power-OFF, do not
touch the inverter/converter, reactor 1, reactor 2, phase
detection transformer box, filter capacitor, and inrush current
limit resistor as they will be extremely hot. Doing so may cause a
burn.
Additional instructions
The following instructions must be also followed. If the inverter/
converter is handled incorrectly, it may cause an unexpected
fault, injury, or electric shock.
CAUTION
Transportation and installation
The inverter/converter must be transported in correct method
that corresponds to the weight. Failure to do so may lead to
injuries.
Do not stack the boxes containing products higher than the
number recommended.
The inverter/converter must be installed in a position where it
withstands the weight of the product according to the information
in the Instruction Manual.
Do not install or operate the inverter/converter if it is damaged or
has parts missing.
When carrying the inverter/converter, do not hold it by the front
cover. Doing so may cause a fall or failure.
Do not stand or rest heavy objects on the inverter/converter.
The installing orientation of the inverter/converter must be
correct.
Foreign conductive objects must be prevented from entering the
inverter/converter. That includes screws and metal fragments or
other flammable substance such as oil.
As the inverter/converter is a precision instrument, do not drop
or subject it to impact.
The surrounding air temperature must be between 10 and +50°C
(non-freezing). Otherwise, the inverter/converter may be
damaged.
The ambient humidity must be 95% RH or less (non-
condensing). Otherwise, the inverter/converter may be
damaged. (For the details, refer to page 24.)
The temporary storage temperature (applicable to a short limited
time such as a transportation time) must be between -20 and
+65°C. Otherwise, the inverter/converter may be damaged.
The inverter/converter must be used indoors (without corrosive
gas, flammable gas, oil mist, dust and dirt etc.) Otherwise, the
inverter/converter may be damaged.
The inverter/converter must be used at an altitude of 2500 m or
less, with 2.9 m/s
X, Y, Z axes). Otherwise, the inverter/converter may be
damaged. (For the details, refer to page 24.)
If halogen-based materials (fluorine, chlorine, bromine, iodine,
etc.), included in fumigants to sterilize or disinfect wooden
packages, infiltrate into this product, the product may be
damaged. Prevent residual fumigant components from being
infiltrated into the package, or use an alternative sterilization or
disinfection method (heat disinfection, etc.). Note that
sterilization or disinfection of wooden package should be
performed before packing.
Test operation
Before starting the test operation, confirm or adjust the
parameter settings. Failure to do so may cause some machines
to make unexpected motions.
Before starting the operation, check the wiring of each peripheral
device. Faulty wiring may cause some machines to make
expected motions.
2
or less vibration at 10 to 55 Hz (directions of
Safety instructions
1
WARNING
Usage
Any person must stay away from the equipment when the retry
function is set as the inverter/converter will restart suddenly after
its output shutoff.
Depending on the function settings, the inverter/converter does
not stop its output even when the STOP/RESET key on the
operation panel is pressed. To prepare for it, provide a separate
circuit and switch (to turn OFF the power or to take other
actions) for an emergency stop.
Be sure to turn OFF the start (STF/STR) signal before clearing
the fault as the inverter/converter will restart the motor suddenly
after a fault clear.
Use only the specified inverters for the connection with the
converter. Connection of any other electrical equipment to the
output of the converter may damage the equipment.
Do not modify the inverter/converter.
Do not remove any part which is not instructed to be removed in
the Instruction Manual. Doing so may lead to a failure or
damage.
CAUTION
Usage
Do not start or stop the inverter/converter frequently with a
magnetic contactor on its input side. Doing so may shorten the
life of the inverter/converter.
Use a noise filter or other means to minimize the
electromagnetic interference with other electronic equipment
used nearby the inverter/converter.
As all parameters return to their initial values after the Parameter
clear or All parameter clear is performed, the parameters must
be set again as required before the operation is started.
Before running an inverter/converter which have been stored
and not been operated for a long period, perform an inspection
and a test operation.
To avoid damage due to static electricity, static electricity in your
body must be discharged before you touch the inverter/
converter.
Emergency stop
A safety backup such as an emergency brake must be provided
for devices or equipment in a system to prevent hazardous
conditions in case of failure of the inverter/converter or its
external controller.
If a breaker on the input side of the inverter/converter is tripped,
the wiring must be checked for a fault (such as short circuit), and
internal parts of the inverter/converter for a damage, etc. The
cause of the trip must be identified and removed before turning
ON the power of the breaker.
When any fault occurs, take an appropriate corrective action,
then reset the inverter/converter, and resume the operation.
Maintenance, inspection and parts replacement
Do not carry out a megger (insulation resistance) test on the
control circuit of the inverter/converter.
Disposal
This product must be treated as industrial waste.
General instruction
For clarity purpose, illustrations in this Instruction Manual may
be drawn with covers or safety guards removed. Ensure all
covers and safety guards are properly installed prior to starting
operation.
2
Safety instructions
CONTENTS
1OUTLINE7
1.1Pre-operation instructions8
1.1.1Unpacking and checking the product................................................................................................................9
1.2Pre-installation instructions for the FR-A8AVP11
1.3Installing the FR-A8AVP11
2INVERTER-TO-CONVERTER CONVERSION13
2.1Conversion flowchart14
2.2Conversion procedure15
2.2.1Preparation for the conversion........................................................................................................................15
2.2.3Application of stickers supplied with the product ............................................................................................17
2.3Troubleshooting18
3INSTALLATION AND WIRING19
3.1Peripheral devices20
3.1.1Converter and peripheral devices...................................................................................................................20
3.2Selection of breaker, magnetic contactor, and fuse21
3.3Compatible inverter for the high power factor converter22
3.4.2Cooling system types for converter enclosure ................................................................................................26
3.4.3Installation of the converter.............................................................................................................................27
3.4.4Protruding the heatsink through a panel.........................................................................................................28
3.5Installation of stand-alone options for converter29
3.5.1Installation of the reactor 1 (FR-A8BL1) and reactor 2 (FR-A8BL2)...............................................................29
3.5.2Installation of the phase detection transformer box (FR-A8VPB) ...................................................................30
3.5.3Installation of the filter capacitor (FR-A8BC) ..................................................................................................33
3.5.4Installation of the dedicated circuit parts for inrush current protection (FR-A8MC) ........................................34
3.5.5Terminals of stand-alone options for the converter ........................................................................................36
3.6Main circuit terminal specification37
3.6.1Details on the main circuit terminals ...............................................................................................................37
3.6.3Cable size of the main circuit terminals and the earth (ground) terminal........................................................38
3.7Wiring of main circuit40
3.7.1Connection diagram (when using with the FR-A800 series)...........................................................................40
3.7.2Wiring of main circuit ......................................................................................................................................42
CONTENTS
3
3.8Earthing (Grounding) precautions47
3.9Wiring of control circuit49
3.9.1Details on the control circuit terminals............................................................................................................ 49
3.9.3Wiring of control circuit ................................................................................................................................... 55
3.11 Connection of the converter and multiple inverters64
4PRECAUTIONS FOR USE OF THE CONVERTER 67
4.1Features of the converter68
4.2Harmonic suppression guidelines in Japan69
4.3Techniques and measures for electromagnetic compatibility (EMC)72
4.3.1Countermeasures against inverter-generated EMI ........................................................................................ 72
4.3.2Selecting the rated sensitivity current for the earth leakage circuit breaker ................................................... 78
5PARAMETERS79
5.1Operation panel (FR-DU08)80
5.1.1Components of the operation panel ............................................................................................................... 80
5.1.2Basic Operation of the Operation Panel ......................................................................................................... 81
5.1.3Digital characters and their corresponding printed equivalents...................................................................... 82
5.1.4Changing the parameter setting value ........................................................................................................... 82
5.2Parameter unit (FR-PU07)83
5.2.1Components of the parameter unit ................................................................................................................. 83
5.2.2Description of keys .........................................................................................................................................83
5.2.3Monitoring function .........................................................................................................................................84
5.4.7Monitor item selection on operation panel or via communication................................................................... 96
5.4.8Monitor display selection for terminals FM/CA and AM................................................................................100
5.4.9Operation selection at instantaneous power failure (Pr.57) ......................................................................... 101
4
CONTENTS
5.4.10Retry function (Pr.65, Pr.67 to Pr.69) ...........................................................................................................102
5.4.11Reset selection / disconnected PU detection / PU stop selection (Pr.75) ....................................................104
5.4.13Current control (Pr.82 and Pr.83) .................................................................................................................107
5.4.14Power factor adjustment function (Pr.84 and Pr.85).....................................................................................107
5.4.15Wiring and configuration of PU connector ....................................................................................................108
5.4.16Wiring and configuration of RS-485 terminals ..............................................................................................110
5.4.17Initial setting of operation via communication...............................................................................................113
5.4.18Initial settings and specifications of RS-485 communication ........................................................................113
5.4.19Mitsubishi inverter protocol (computer link communication) .........................................................................115
5.4.20PU display language selection......................................................................................................................126
5.4.21Disabling the setting dial and keys on the operation panel...........................................................................126
5.4.22Input terminal function selection (Pr.178 to Pr.189)......................................................................................127
5.4.23Operation selection for the RDY signal and the RSO signal (Pr.190 and Pr.191)........................................128
5.4.24Output terminal function selection (Pr.192 to Pr.194, Pr.196) ......................................................................129
5.4.25Cooling fan operation selection ....................................................................................................................131
5.4.26Converter parts life display (Pr.255 to Pr.257)..............................................................................................132
5.4.28Detection of control circuit temperature........................................................................................................135
5.4.29Adjustment of terminal FM/CA and terminal AM...........................................................................................136
5.4.33Initiating a protective function .......................................................................................................................140
7.1.3Daily and periodic inspection list...................................................................................................................165
7.1.6Replacement of parts ................................................................................................................................... 167
7.1.7Removal and reinstallation of the control circuit terminal block .................................................................170
7.2Measurement of main circuit voltages, currents, and powers172
7.2.1Insulation resistance test using megger .......................................................................................................173
7.2.2Pressure test ................................................................................................................................................ 173
8.3.5Dedicated circuit parts for inrush current protection (FR-A8MC) ................................................................. 181
8.3.6Parameter unit .............................................................................................................................................. 184
8.4Compatible options184
9CONVERTER-TO-INVERTER CONVERSION185
9.1Converter-to-inverter conversion186
9.1.1Preparation for the conversion ..................................................................................................................... 186
9.1.3Removal of the stickers ................................................................................................................................ 187
(main circuit: power-OFF,
control circuit: power-ON)
(Pr.328 setting change)
Control circuit: power-OFF
Wiring to other devices
(inverter and converter
Main circuit: power-ON
SymbolDescription
Preparation for the inverter-to-converter conversion.
(a)
(b)Change the setting of Pr.328 in the inverter to convert the inverter into a high power factor converter.16
(c)Turn OFF the control circuit power.16
(d)Connect an inverter and the converter options to the converter.40
(e)After the wiring is completed, turn ON the main circuit power of the converter.—
Be sure to turn OFF the main circuit power of the inverter, and turn ON the control circuit power of the inverter
(supplied via terminals R1/L11 and S1/L21 from a separate power source).
n
Preparation
Conversion
options)
(a)
(b)
(c)
(d)
(e)
Refer to
15
page
14
INVERTER-TO-CONVERTER CONVERSION
Conversion procedure
2.2Conversion procedure
This section explains the procedure to convert the inverter to the high factor converter.
2.2.1Preparation for the conversion
Before starting the conversion, check the following conditions of the inverter (all the conditions must be satisfied).
Check the following while the control circuit power of the inverter is OFF.
• The FR-A8AVP is installed in one of the option connectors (1 to 3). (Refer to page 11.)
• All of the main circuit terminals are left open.
• Terminals R1/L11 and S1/L21 are used to supply power to the control circuit of the inverter.
• No USB memory device is connected.
Check the following while the control circuit power of the inverter is ON.
• The inverter is in the PU operation mode (not in the External/PU combined operation mode 1 or 2).
• The PLC function is disabled (Pr.414 = "0").
• The inverter is in normal state and its operation is stopped (its output is shut off). (No protective function is activated.)
NOTE
• When terminal +24 is used to supply power to the control circuit of the inverter, the conversion to the converter is disabled.
• Sequence programs stored in the inverter for the PLC function will be cleared after the conversion. Be sure to back up the
programs before conversion.
2
INVERTER-TO-CONVERTER CONVERSION
15
Conversion procedure
r
2.2.2Inverter-to-converter conversion (Pr.328)
Pr.NameInitial value
328
E310
Inverter/converter
switching
—0 to 9999
Setting
range
Description
Change the setting of this parameter according to the
predetermined inverter-to-converter conversion
procedure.
Inverter-to-converter conversion procedure
The following shows the setting procedure for the inverter-to-converter conversion.
Enter the following values in Pr.328 in the following order. If the procedure from step 1 to step 3 is not followed, the parameter
setting will be cleared (the Pr.328 setting returns to its initial value "0"). In that case, restart the procedure from step 1.
1
Enter "3100".
Check that "3100" is displayed for Pr.328.
2
Enter "5010".
Check that "5010" is displayed for Pr.328.
3
Enter "1000".
The inverter-to-converter conversion starts when "1000" is entered. The communication status LED indicator
starts blinking. (The following figure shows the location of the LED indicator.)
The LED indicator stays ON after the conversion is completed.
(It takes about 300 seconds to complete the conversion.)
Communication status LED indicato
NOTE
• After entering "1000", do not operate the PU until the LED indicator stays ON.
4
Reset the control circuit power.
After the reset, "9999" will be displayed for Pr.328.
Functions as an inverter will not be available after this point.
5
After checking that "9999" is displayed for Pr.328, enter "1".
Inverter reset and All parameter clear will start automatically. After the reset, converter functions are available.
6
Press the setting dial on the operation panel (FR-DU08) and check that "CNV" (converter) is
displayed.
NOTE
• If the control circuit power is turned OFF once and then turned ON again, conversion may restart depending on the timing of
power OFF.
16
INVERTER-TO-CONVERTER CONVERSION
Conversion procedure
2.2.3Application of stickers supplied with the
product
Attach the "CONVERTER" sticker and the main circuit terminal stickers ("R4/L14", "S4/L24", and "T4/L34" stickers) supplied
with the FR-A8AVP for indication of the converter.
• Attach the "CONVERTER" sticker to the front cover of the converter as shown in the following figure.
CONVERTER
• Check that the power of the converter is OFF and open the terminal block cover. Attach the main circuit terminal stickers
over the existing "U", "V", and "W" stickers as shown in the following figure.
R4/L14
T4/L34S4/L24
2
INVERTER-TO-CONVERTER CONVERSION
17
Troubleshooting
2.3Troubleshooting
ConditionPossible causeCountermeasure
Pr.328 cannot be overwritten.
The Pr.328 setting returns to "0 (initial
value)".
The communication status LED will not
change from blinking to constantly lit.
Checking of the current state (inverter or
converter) is required.
"11" is displayed for Pr.328 after the
conversion.
Preparation for the conversion has not been
completed.
The procedure from step 1 to step 3 was not
followed properly.
The inverter is in the process of the
conversion (the conversion takes 300
seconds after Pr.328 has been set to
"1000").
—
—Please contact your sales representative.
Complete the preparation.
(Refer to page 15.)
Follow the procedure from step 1 to step 3
properly.
(Refer to page 16.)
Contact your sales representative if the
communication status LED indicator remains
blinking (does not become solid) even after a
lapse of 300 seconds.
• Press the setting dial on the operation
panel (FR-DU08) and check the indication.
(Refer to page 16.)
• Check the Pr.328 setting. (Refer to page
16.)
18
INVERTER-TO-CONVERTER CONVERSION
3INSTALLATION AND
WIRING
This chapter explains the installation and the wiring of the converter.
3.9Wiring of control circuit ...........................................................49
3.10 Communication connectors and terminals ............................61
3.11 Connection of the converter and multiple inverters..............64
3
INSTALLATION AND WIRING
19
Peripheral devices
(Refer to page 8 and 29.)
(Refer to page 8 and 33.)
(Refer to page 21.)
(Refer to page 8 and 29.)
(Refer to page 53.)
page 22
(Refer to page 8 and 30.)
3.1Peripheral devices
3.1.1Converter and peripheral devices
Three-phase AC power supply
Use within the permissible power
supply specifications of the converter.
Molded case circuit breaker
(MCCB), earth leakage circuit
breaker (ELB), or fuse
The breaker must be selected
carefully since an inrush current flows
in the converter at power ON.
Magnetic contactor (MC)
Install the MC to ensure safety.
Do not use this MC to start and stop the
converter and the inverter. Doing so will
shorten the life of the inverter and the
converter.
Plug-in option (FR-A8AVP)
Connect the option with the phase
detection transformer box.
R2 RS2 TS2 T2
R4/L14 S4/L24 T4/L34
Converter
Install and wire correctly.
Do not install a molded case circuit
breaker (MCCB) on the main circuit
cables between the inverter and the
converter (terminals P to P and
terminals N to N).
P/+ N/-
Phase detection transformer box
(FR-A8VPB)
Check that its capacity is appropriate
for the capacity of the converter.
Reactor 1 (FR-A8BL1)
Check that its capacity is appropriate
for the capacity of the converter.
Filter capacitor (FR-A8BC) and
dedicated circuit parts for inrush
current protection (FR-A8MC)
Check that their capacity is appropriate
for the capacity of the converter.
Fuse
Install the MC to ensure safety.
Select a fuse according to the
connected motor capacity.
Inverter
Check that the inverter is
compatible with the high power
factor converter. (Refer to
for compatible inverter.)
Select an inverter according to the
capacity of the converter.
The control logic (sink logic/source
logic) of the converter and the
inverter must be matched.
Motor
Install the appropriate capacity
motor according to the capacities
of inverter, converter, etc.
20
Reactor 2 (FR-A8BL2)
Check that its capacity is appropriate
for the capacity of the converter.
INSTALLATION AND WIRING
Earth
(ground)
Devices on the inverter's output side
Do not install a power factor correction
capacitor or surge suppressor on the inverter's
output side.
When installing a molded case circuit breaker
on the output side of the inverter, contact the
manufacturer of the molded case circuit
breaker.
Earth (ground)
Always earth (ground) the converter, converter
options, inverter, and motor.
Selection of breaker, magnetic contactor, and fuse
3.2Selection of breaker, magnetic contactor,
and fuse
Circuit breakers and magnetic contactors
Check the model of the converter. The correct breaker and magnetic contactor must be installed with the appropriate
converter capacity.
Refer to the following table to select the appropriate breaker and magnetic contactor.
High power factor
converter model
FR-A842-07700(315K)700 AS-N600
FR-A842-08660(355K)800 AS-N600
FR-A842-09620(400K)900 AS-N800
FR-A842-10940(450K)1000 AS-N400 (3 in parallel)
FR-A842-12120(500K)1200 AS-N400 (3 in parallel)
Molded case circuit breaker (MCCB)
or earth leakage circuit breaker (NF, NV type)
Magnetic contactor
(MC)
Select an MCCB according to the power supply capacity.
Install one MCCB per converter.
(For the use in the United States or Canada, refer to page 194, and select the
appropriate fuse.)
The magnetic contactor is selected based on the AC-1 class. The electrical durability of magnetic contactor is 500,000 times. When the
magnetic contactor is used for emergency stops during motor driving, the electrical durability is 25 times.
If using an MC for emergency stop during motor driving or using it on the motor side during commercial power supply operation, select an MC
with the class AC-3 rated current for the rated motor current.
MCCB
MCCB
Converter
Converter
Inverter
Inverter
IM
IM
NOTE
• When the breaker installed at the converter's input line is shut off, check for the wiring fault (short circuit), damage to internal
parts of the converter, etc. The cause of the trip must be identified and removed before turning ON the power of the breaker.
Fuse
Installation of a fuse is recommended between the converter and an inverter. Select a fuse according to the capacity of the
connected motor. When using a motor, of which the capacity is smaller than the inverter capacity by two ranks or more, select
the fuse with the capacity that is one rank lower than the inverter capacity. (For the details, refer to page 45.)
When installing several fuses in parallel, leave a space of 12 mm or more between the fuses.
6.9 URD 232 TDF 1600 or
6.9 URD 31 TTF 0800 × 2 (parallel connection)
6.9 URD 232 TDF 1800 or
6.9 URD 32 TTF 0900 × 2 (parallel connection)
6.9 URD 232 TDF 1800 or
6.9 URD 32 TTF 0900 × 2 (parallel connection)
3
NOTE
• Install fuses across terminals P/+ and P/+, and across terminals N/- and N/- of the converter and an inverter.
• Fuses are not required when the converter is used in combination with a FR-A842-07700(315K) to 12120(500K) inverter,
which has internal fuses.
• Estimated lifespan of fuses
Components
Fuse10 yearsReplace by new one
Estimated lifespan for when the yearly average surrounding air temperature is 50°C (without corrosive gas, flammable gas, oil mist, dust and dirt etc.).
Estimated
lifespan
Replacement method
NOTE
• If the fuse melts down, wiring failure such as a short circuit may be the cause. Find out the cause and remove it before replacing the fuse.
INSTALLATION AND WIRING
21
Compatible inverter for the high power factor converter
5
3.3Compatible inverter for the high power
factor converter
3.3.1Applicable inverter capacity
The required converter capacity differs by the multiple rating selection setting of the inverter.
Refer to the following table for the connectable inverter capacities when connecting one inverter to a high power factor
converter. (The combination with the inverter not specified in the table is not applicable.)
: Applicable.
-: Usable as a common converter or regenerative converter, but the harmonic suppression effect decreases.
: Not applicable.
NOTE
• For details of the inverter capacity, refer to the rating specifications in the Instruction Manual of the inverter.
Example: FR-A820
Model FR-A820-[]
00046 00077 0010
0.4K 0.75K 1.5K
2.25.157.0DLS
When the inverter capacity and the applicable motor capacity are equal
(FR-A800 (ND rating), FR-F800 (LD rating), and 700 series inverters)
When the applicable motor capacity is higher than the inverter capacity
(FR-A800 (LD rating), FR-A800 (SLD rating), and FR-F800 (SLD rating))
Refer to the table above to check the applicability of the converter. When the capacity of a motor to be installed is larger than
the converter capacity, read the "inverter capacity" in the table above as the applicable "motor capacity".
When the applicable motor capacity is lower than the inverter capacity
(FR-A800 (HD rating))
Inverter capacity
Converter capacity
FR-A842-07700(315K)--
FR-A842-08660(355K)--
FR-A842-09620(400K)---
FR-A842-10940(450K)----
FR-A842-12120(500K)----
132K
or
lower
160K185K220K250K280K315K355K400K450K500K560K
22
INSTALLATION AND WIRING
Compatible inverter for the high power factor converter
3.3.2Inverter parameter settings
When using the converter with the inverter, some inverter parameters must be set. The parameter settings differ by the
inverter series. The parameter settings differ by the inverter series.
For the parameters and inverters not listed below, refer to the Instruction Manual of the inverter.
Inverter series
FR-A800, FR-F8002, 102
FR-E700, FR-F700PJ,
FR-D700
Pr.30 Regenerative function
0 (initial value),
2 (when the automatic restart after
instantaneous power failure
function is enabled)
selection
V/F controlOther than V/F control
Pr.19 Base frequency voltagePr.83 Rated motor voltage
Rated motor voltage
3
INSTALLATION AND WIRING
23
Installation of the converter and enclosure design
3.4Installation of the converter and enclosure
design
When designing or manufacturing an enclosure, determine the structure, size, and device layout by fully considering the
conditions such as heat generation of the contained devices and the operating environment. The converter uses many
semiconductor devices. To increase reliability and prolong the life of the product, operate the converter in an environment that
sufficiently satisfies the standard environmental specifications.
3.4.1Converter installation environment
The following table lists the standard specifications of the converter installation environment. Using the converter in an
environment that does not satisfy the conditions deteriorates the performance, shortens the life, and causes a failure. Refer to
the following points, and take adequate measures.
Standard environmental specifications of the converter
ItemDescription
Measurement
position
Converter
Surrounding air
temperature
Surrounding air
humidity
Storage temperature-20 to +65°C
AtmosphereIndoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)
Altitude2500 m or lower
Vibration
Temperature applicable for a short time, for example, in transit.
For the installation at an altitude above 1000 m, consider a 3% reduction in the rated current per 500 m increase in altitude.
-10 to +50°C (non-freezing)
With circuit board coating: 95% RH or less (non-condensing)
Without circuit board coating: 90% RH or less (non-condensing)
2
2.9 m/s
or less at 10 to 55 Hz (directions of X, Y, Z axes)
5 cm
Measurement
position
5 cm
5 cm
Temperat ure
The permissible surrounding air temperature of the converter is between -10 and +50°C. Always operate the converter within
this temperature range. Operation outside this range will considerably shorten the service lives of the semiconductors, parts,
capacitors and others. Take the following measures to keep the surrounding air temperature of the converter within the
specified range.
(a) Measures against high temperature
• Use a forced ventilation system or similar cooling system. (Refer to page 26.)
• Install the enclosure in an air-conditioned electric chamber.
• Block direct sunlight.
• Provide a shield or similar plate to avoid direct exposure to the radiated heat and wind of a heat source.
• Ventilate the area around the enclosure well.
(b) Measures against low temperature
• Provide a space heater in the enclosure.
• Do not power OFF the converter. (Keep the start signal of the inverter OFF.)
(c) Sudden temperature changes
• Select an installation place where temperature does not change suddenly.
• Avoid installing the converter near the air outlet of an air conditioner.
• If temperature changes are caused by opening/closing of a door, install the converter away from the door.
Humidity
Operate the converter within the ambient air humidity range of 45 to 90% (up to 95% with circuit board coating). Too high
humidity will pose problems of reduced insulation and metal corrosion. On the other hand, too low humidity may cause a
spatial electrical breakdown. The humidity conditions for the insulation distance defined in JEM 1103 standard "Insulation
Distance from Control Equipment" is 45 to 85%.
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INSTALLATION AND WIRING
Installation of the converter and enclosure design
(a) Measures against high humidity
• Make the enclosure enclosed, and provide it with a hygroscopic agent.
• Provide dry air into the enclosure from outside.
• Provide a space heater in the enclosure.
(b) Measures against low humidity
Air with proper humidity can be blown into the enclosure from outside. Also when installing or inspecting the unit, discharge
your body (static electricity) beforehand, and keep your body away from the parts and patterns.
(c) Measures against condensation
Condensation may occur if frequent operation stops change the in-enclosure temperature suddenly or if the outside air
temperature changes suddenly.
Condensation causes such faults as reduced insulation and corrosion.
• Take the measures against high humidity in (a).
• Do not power OFF the converter. (Keep the start signal of the inverter OFF.)
Dust, dirt, oil mist
Dust and dirt will cause such faults as poor contacts, reduced insulation and cooling effect due to the moisture-absorbed
accumulated dust and dirt, and in-enclosure temperature rise due to a clogged filter. In an atmosphere where conductive
powder floats, dust and dirt will cause such faults as malfunction, deteriorated insulation and short circuit in a short time.
Since oil mist will cause similar conditions, it is necessary to take adequate measures.
Countermeasure
• Place the converter in a totally enclosed enclosure.
Take measures if the in-enclosure temperature rises. (Refer to page 26.)
• Purge air.
Pump clean air from outside to make the in-enclosure air pressure higher than the outside air pressure.
Corrosive gas, salt damage
If the converter is exposed to corrosive gas or to salt near a beach, the printed board patterns and parts will corrode or the
relays and switches will result in poor contact.
In such places, take the measures given in the previous paragraph.
Explosive, flammable gases
As the converter is non-explosion proof, it must be contained in an explosion-proof enclosure. In places where explosion may
be caused by explosive gas, dust or dirt, an enclosure cannot be used unless it structurally complies with the guidelines and
has passed the specified tests. This makes the enclosure itself expensive (including the test charges). The best way is to
avoid installation in such places and install the converter in a non-hazardous place.
High altitude
Use the converter at an altitude of within 2500 m. For use at an altitude above 1000 m, consider a 3% reduction in the rated
current per 500 m increase in altitude.
If it is used at a higher place, it is likely that thin air will reduce the cooling effect and low air pressure will deteriorate dielectric
strength.
3
Vibration, impact
The vibration resistance of the converter is up to 2.9 m/s2 at 10 to 55 Hz frequency and 1 mm amplitude for the directions of
X, Y, Z axes. Applying vibration and impacts for a long time may loosen the structures and cause poor contacts of connectors,
even if those vibration and impacts are within the specified values.
Especially when impacts are applied repeatedly, caution must be taken because such impacts may break the installation feet.
Countermeasure
• Provide the enclosure with rubber vibration isolators.
• Strengthen the structure to prevent the enclosure from resonance.
• Install the enclosure away from the sources of the vibration.
INSTALLATION AND WIRING
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Installation of the converter and enclosure design
3.4.2Cooling system types for converter enclosure
From the enclosure that contains the converter, the heat of the converter and other equipment (inverter, transformers,
reactors, lamps, resistors, etc.) and the incoming heat such as direct sunlight must be dissipated to keep the in-enclosure
temperature lower than the permissible temperatures of the in-enclosure equipment including the converter.
The cooling systems are classified as follows in terms of the cooling calculation method.
(a) Cooling by natural heat dissipation from the enclosure surface (totally enclosed type)
(b) Cooling by heatsink (aluminum fin, etc.)
(c) Cooling by ventilation (forced ventilation type, pipe ventilation type)
(d) Cooling by heat exchanger or cooler (heat pipe, cooler, etc.)
Cooling systemEnclosure structureComment
Natural
Forced air
Natural ventilation
(enclosed type / open type)
Natural ventilation (totally
enclosed type)
Heatsink cooling
Forced ventilation
Heat pipe
Heatsink
Converter
Converter
Converter
Heat pipe
Converter
Converter
This system is low in cost and generally used, but the
enclosure size increases as the converter capacity increases.
This system is for relatively small capacities.
Being a totally enclosed type, this system is the most
appropriate for hostile environment having dust, dirt, oil mist,
etc. The enclosure size increases depending on the converter
capacity.
This system has restrictions on the heatsink mounting position
and area. This system is for relatively small capacities.
This system is for general indoor installation. This is
appropriate for enclosure downsizing and cost reduction, and
often used.
This system is a totally enclosed type, and is appropriate for
enclosure downsizing.
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INSTALLATION AND WIRING
Installation of the converter and enclosure design
Vertical
3.4.3Installation of the converter
Placement of the converter
• Install the converter on a strong surface securely with screws.
• Leave enough clearances and take cooling measures.
• Avoid places where the converter is subjected to direct sunlight, high temperature and high humidity.
• Install the converter on a nonflammable wall surface.
• When encasing multiple converters in an enclosure, install them in parallel as a cooling measure.
• For heat dissipation and maintenance, keep clearance between the converter and the other devices or enclosure surface.
The clearance below the converter is required as a wiring space, and the clearance above the converter is required as a
heat dissipation space.
• When designing or building an enclosure for the converter, carefully consider influencing factors such as heat generation of
the contained devices and the operating environment.
Clearances (side view)Clearances (front view)
20 cm or more
5 cm
or
more
∗1
Converter
Vertical
Vertical
10 cm
or
more
10 cm
or
more
3
Allow clearance.
For replacing the cooling fan, 30 cm of space is necessary in front of the converter. Refer to page 167 for fan replacement.
20 cm or more
Installation orientation of the converter
Install the converter on a wall as specified. Do not mount it horizontally or in any other way.
Above the converter
Heat is blown up from inside the converter by the small fan built in the unit. Any equipment placed above the converter should
be heat resistant.
INSTALLATION AND WIRING
27
Installation of the converter and enclosure design
Arrangement of multiple inverters and converters
When multiple inverters and converters are placed in the
same enclosure, generally arrange them horizontally as
shown in the figure (a). When it is inevitable to arrange
them vertically to minimize space as shown in the figure
(b), take such measures as to provide guides since heat
generated in the units in bottom row can increase the
temperatures in the units in top row, causing the failure of
the units in top row.
Converter
InverterInverter
Inverter
GuideGuide
Converter
Converter
Guide
When mounting multiple inverters and converters, fully
take caution not to make the surrounding air temperature
of the inverter and the converter higher than the
permissible value by providing ventilation and increasing