Fuji Electric Frenic-Mini Manuel utilisateur

Instruction Manual

Compact Inverter

Thank you for purchasing our FRENIC-Mini series of inverters.

• This product is designed to drive a three-phase induction motor. Read through this instruction

manual and be familiar with the handling procedure for correct use.

• Improper handling might result in incorrect operation, a short life, or even a failure of this

product as well as the motor.

• Deliver this manual to the end user of this product. Keep this manual in a safe place until this

product is discarded.

• For how to use an optional device, refer to the instruction and installation manuals for that

optional device.

Fuji Electric FA Components & Systems Co., Ltd. INR-SI47-0791c-E

No part of this publication may be reproduced or copied without prior written permission from Fuji

Electric FA Components & Systems Co., Ltd.

All products and company names mentioned in this manual are trademarks or registered trademarks

of their respective holders.

The information contained herein is subject to change without prior notice for improvement.

Preface

Thank you for purchasing our FRENIC-Mini series of inverters.

This product is designed to drive a three-phase induction motor. Read through this instruction

manual and be familiar with proper handling and operation of this product.

Improper handling might result in incorrect operation, a short life, or even a failure of this product as

well as the motor.

Have this manual delivered to the end user of this product. Keep this manual in a safe place until this

product is discarded.

Listed below are the other materials related to the use of the FRENIC-Mini. Read them in conjunction

with this manual as necessary.

• FRENIC-Mini User's Manual (MEH446)

• RS-485 Communication User's Manual (MEH448)

• Catalog (MEH441/MEH451)

• Application Guide (MEH449)

• RS-485 Communications Card Installation Manual (INR-SI47-0773)

• Rail Mounting Base Installation Manual (INR-SI47-0774)

• Mounting Adapter Installation Manual (INR-SI47-0775)

• FRENIC Loader Instruction Manual (INR-SI47-0903-E)

• Remote Keypad Instruction Manual (INR-SI47-0843-E)

• Built-in Braking Resistor Installation Manual (INR-SI47-0838)

The materials are subject to change without notice. Be sure to obtain the latest editions for use.

Japanese Guideline for Suppressing Harmonics in Home Electric and Gen-

eral-purpose Appliances

Fuji three-phase 200 V class series of inverters with a capacity of 3.7 (4.0) kW or less, single-phase

200 V class series with 2.2 kW or less, and single-phase 100 V class series with 0.75 kW or less

were once subject to the "Japanese Guideline for Suppressing Harmonics in Home Electric and

General-purpose Appliances" (established in September 1994 and revised in October 1999), pub-

lished by the Ministry of International Trade and Industry (currently the Ministry of Economy, Trade

and Industry (METI)).

Since the revision of the guideline in January 2004, however, these inverters have no longer been

subject to the guideline. The individual inverter manufacturers have voluntarily employed harmonics

suppression measures.

As our measure, it is recommended that DC reactors (DCRs) authorized in this manual be con-

nected to the FRENIC-Mini series of inverters.

When using DCRs not authorized in this manual, however, consult your Fuji Electric representative

for the detailed specifications.

Japanese Guideline for Suppressing Harmonics by Customers Receiving

High Voltage or Special High Voltage

Refer to the FRENIC-Mini User's Manual (MEH446), Appendix C for details on this guideline.

Safety precautions

Read this manual thoroughly before proceeding with installation, connections (wiring), operation, or

maintenance and inspection. Ensure you have sound knowledge of the device and familiarize

yourself with all safety information and precautions before proceeding to operate the inverter.

Safety precautions are classified into the following two categories in this manual.

Failure to heed the information indicated by this symbol may

lead to dangerous conditions, possibly resulting in death or

serious bodily injuries.

Failure to heed the information indicated by this symbol may

lead to dangerous conditions, possibly resulting in minor or

light bodily injuries and/or substantial property damage.

Failure to heed the information contained under the CAUTION title can also result in serious con-

sequences. These safety precautions are of utmost importance and must be observed at all times.

Application

• FRENIC-Mini is designed to drive a three-phase induction motor. Do not use it for sin-

gle-phase motors or for other purposes.

Fire or an accident could occur.

• FRENIC-Mini may not be used for a life-support system or other purposes directly related

to the human safety.

• Though FRENIC-Mini is manufactured under strict quality control, install safety devices for

applications where serious accidents or material losses are foreseen in relation to the

failure of it.

An accident could occur.

Installation

• Install the inverter on a nonflammable material such as metal.

Otherwise fire could occur.

• Do not place flammable matter nearby.

Doing so could cause fire.

iii

• Do not support the inverter by its terminal block cover during transportation.

Doing so could cause a drop of the inverter and injuries.

• Prevent lint, paper fibers, sawdust, dust, metallic chips, or other foreign materials from

getting into the inverter or from accumulating on the heat sink.

Otherwise, a fire or an accident might result.

• Do not install or operate an inverter that is damaged or lacking parts.

Doing so could cause fire, an accident or injuries.

• Do not get on a shipping box.

• Do not stack shipping boxes higher than the indicated information printed on those boxes.

Doing so could cause injuries.

Wiring

• When wiring the inverter to the power source, insert a recommended molded case circuit

breaker (MCCB) or residual-current-operated protective device (RCD)/earth leakage

circuit breaker (ELCB) (with overcurrent protection) in the path of power lines. Use the

devices within the recommended current range.

• Use wires in the specified size.

• When wiring the inverter to the power supply of 500 kVA or more (50 kVA or more for the

single-phase 100 V class series of inverters), be sure to connect an optional DC reactor

(DCR).

Otherwise, fire could occur.

• Do not use one multicore cable in order to connect several inverters with motors.

• Do not connect a surge killer to the inverter's output (secondary) circuit.

Doing so could cause fire.

• Be sure to connect the grounding wires without fail.

Otherwise, electric shock or fire could occur.

• Qualified electricians should carry out wiring.

• Be sure to perform wiring after turning the power off.

• Ground the inverter following Class C or Class D specifications or national/local electric

code, depending on the input voltage of the inverter.

Otherwise, electric shock could occur.

• Be sure to perform wiring after installing the inverter body.

Otherwise, electric shock or injuries could occur.

• Ensure that the number of input phases and the rated voltage of the product match the

number of phases and the voltage of the AC power supply to which the product is to be

connected.

Otherwise fire or an accident could occur.

• Do not connect the power source wires to output terminals (U, V, and W).

• Do not insert a braking resistor between terminals P (+) and N (-), P1 and N (-), P (+) and

P1, DB and N (-), or P1 and DB.

Doing so could cause fire or an accident.

• Generally, control signal wires are not reinforced insulation. If they accidentally touch any

of live parts in the main circuit, their insulation coat may break for any reasons. In such a

case, an extremely high voltage may be applied to the signal lines. Make a complete

remedy to protect the signal line from contacting any hot high voltage lines.

Doing so could cause an accident or electric shock.

• Wire the three-phase motor to terminals U, V, and W of the inverter, aligning phases each

other.

Otherwise injuries could occur.

• The inverter, motor and wiring generate electric noise. Take care of malfunction of the

nearby sensors and devices. To prevent the motor from malfunctioning, implement noise

control measures.

Otherwise an accident could occur.

Operation

• Be sure to install the terminal block cover before turning the power on. Do not remove the

cover while power is applied.

Otherwise electric shock could occur.

• Do not operate switches with wet hands.

Doing so could cause electric shock.

• If the retry function has been selected, the inverter may automatically restart and drive the

motor depending on the cause of tripping.

(Design the machinery or equipment so that human safety is ensured after restarting.)

• If the stall prevention function (current limiter), automatic deceleration, and overload

prevention control have been selected, the inverter may operate at an accelera-

tion/deceleration time or frequency different from the set ones. Design the machine so that

safety is ensured even in such cases.

Otherwise an accident could occur.

• The STOP key is only effective when function setting (Function code F02) has been es-

tablished to enable the STOP key. Prepare an emergency stop switch separately. If you

disable the STOP key priority function and enable operation by external commands, you

cannot emergency-stop the inverter using the STOP key on the built-in keypad.

• If an alarm reset is made with the operation signal turned on, a sudden start will occur.

Ensure that the operation signal is turned off in advance.

Otherwise an accident could occur.

• If you enable the "restart mode after momentary power failure" (Function code F14 = 4 or

5), then the inverter automatically restarts running the motor when the power is recovered.

(Design the machinery or equipment so that human safety is ensured after restarting.)

• If you set the function codes wrongly or without completely understanding this instruction

manual and the FRENIC-Mini User's Manual, the motor may rotate with a torque or at a

speed not permitted for the machine.

An accident or injuries could occur.

• Do not touch the inverter terminals while the power is applied to the inverter even if the

inverter stops.

Doing so could cause electric shock.

• Do not turn the main circuit power on or off in order to start or stop inverter operation.

Doing so could cause failure.

• Do not touch the heat sink or braking resistor because they become very hot.

Doing so could cause burns.

• Setting the inverter to high speeds is easy. Before changing the frequency (speed) setting,

check the specifications of the motor and machinery.

• The brake function of the inverter does not provide mechanical holding means.

Injuries could occur.

Wiring length for EMC filter built-in type

• When the wiring length between the inverter and motor exceeds 10 m, the filter circuit may

be overheated and damaged due to increase of leakage current. To reduce the leakage

current, set the motor sound (carrier frequency) to 2 kHz or below with function code F26.

Otherwise a failure could occur.

Installation and wiring of an option card

• Before installing an RS-485 Communications Card, turn off the power, wait more than five

minutes, and make sure, using a circuit tester or a similar instrument, that the DC link bus

voltage between the terminals P (+) and N (-) has dropped below a safe voltage (+25

VDC).

• Do not remove the terminal cover for the control circuits while power is applied, because

high voltage lines exist on the RS-485 Communications Card.

Failure to observe these precautions could cause electric shock.

• In general, sheaths and covers of the control signal cables and wires are not specifically

designed to withstand a high electric field (i.e., reinforced insulation is not applied).

Therefore, if a control signal cable or wire comes into direct contact with a live conductor of

the main circuit, the insulation of the sheath or the cover might break down, which would

expose the signal wire to a high voltage of the main circuit. Make sure that the control

signal cables and wires will not come into contact with live conductors of the main circuits.

Failure to observe these precautions could cause electric shock and/or an acci-

dent.

Maintenance and inspection, and parts replacement

• Turn the power off and wait for at least five minutes before starting inspection. Further,

check that the LED monitor is unlit, and check the DC link bus voltage between the P (+)

and N (-) terminals to be lower than 25 VDC.

Otherwise, electric shock could occur.

• Maintenance, inspection, and parts replacement should be made only by qualified per-

sons.

• Take off the watch, rings and other metallic matter before starting work.

• Use insulated tools.

Otherwise, electric shock or injuries could occur.

Disposal

• Handle the inverter as an industrial waste when disposing of it.

Otherwise injuries could occur.

Others

• Never attempt to modify the inverter.

Doing so could cause electric shock or injuries.

GENERAL PRECAUTIONS

Drawings in this manual may be illustrated without covers or safety shields for explanation of

detail parts. Restore the covers and shields in the original state and observe the description in

the manual before starting operation.

vii

Conformity to the Low Voltage Directive in the EU

If installed according to the guidelines given below, inverters marked with CE or TÜV are considered

as compliant with the Low Voltage Directive 73/23/EEC.

1. The ground terminal G should always be connected to the ground. Do not use only a

residual-current-operated protective device (RCD)/earth leakage circuit breaker (ELCB)* as

the sole method of electric shock protection. Be sure to use ground wires whose size is

greater than power supply lines.

* With overcurrent protection.

2. When used with the inverter, a molded case circuit breaker (MCCB), resid-

ual-current-operated protective device (RCD)/earth leakage circuit breaker (ELCB) or

magnetic contactor (MC) should conform to the EN or IEC standards.

3. When you use a residual-current-operated protective device (RCD)/earth leakage circuit

breaker (ELCB) for protection from electric shock in direct or indirect contact power lines or

nodes, be sure to install type B of RCD/ELCB on the input (primary) of the inverter if the

power source is three-phase 200/400 V. For single-phase 200 V power supplies, use type

When you use no RCD/ELCB, take any other protective measure that isolates the electric

equipment from other equipment on the same power supply line using double or reinforced

insulation or that isolates the power supply lines connected to the electric equipment using

an isolation transformer.

4. The inverter should be used in an environment that does not exceed Pollution Degree 2

requirements. If the environment conforms to Pollution Degree 3 or 4, install the inverter in

an enclosure of IP54 or higher.

5. Install the inverter, AC or DC reactor, input or output filter in an enclosure with minimum

degree of protection of IP2X (Top surface of enclosure shall be minimum IP4X when it can

be easily accessed), to prevent human body from touching directly to live parts of these

equipment.

6. To make an inverter with no integrated EMC filter conform to the EMC directive, it is nec-

essary to connect an external EMC filter to the inverter and install them properly so that the

entire equipment including the inverter conforms to the EMC directive.

7. Do not connect any copper wire directly to grounding terminals. Use crimp terminals with tin

or equivalent plating to connect them.

8. To connect the three-phase or single-phase 200 V class series of inverters to the power

supply in Overvoltage Category III or to connect the three-phase 400 V class series of in-

verters to the power supply in Overvoltage Category II or III, a supplementary insulation is

required for the control circuitry.

9. When using inverters at an altitude of more than 2000 m, note that the basic insulation

applies to the insulation degree of the control circuitry. At an altitude of more than 3000 m,

inverters cannot be used.

10. The power supply mains neutral has to be earthed for the three-phase 400 V class inverter.

viii

Conformity to the Low Voltage Directive in the EU (Continued)

11. Use wires listed in EN60204 Appendix C.

MCCB: Molded case circuit breaker

RCD: Residual-current-operated protective device

ELCB: Earth leakage circuit breaker

Notes 1) A box () in the above table replaces S or E depending on the enclosure.

2) A box () in the above table replaces A, C, E, or J depending on the shipping destination.

3) Asterisks (**) in the above table denote the following:

21: Braking resistor built-in type; None: Standard

*1 The frame size and model of the MCCB or RCD/ELCB (with overcurrent protection) will vary,

depending on the power transformer capacity. Refer to the related technical documentation for

details.

*2 The recommended wire size for main circuits is for the 70°C 600V PVC wires used at an ambient

temperature of 40°C.

*3 In the case of no DC reactor, the wire sizes are determined on the basis of the effective input

current calculated under the condition that the power supply capacity and impedance are 500 kVA

and 5%, respectively.

Recommended wire size (mm2 )

Rated current (A)

MCCB or RCD/ELCB

Main circuit

power input

[L1/R, L2/S, L3/T]

[L1/L, L2/N]

Grounding [ G]

Power supply voltage

Appli-

cable

motor

rating

(kW)

Inverter type

w/ DCR

w/o DCR

w/ DCR

w/o DCR

Inverter

output

[U, V,

DCR

[P1,

P (+)]

Braking

resistor

[P (+),

DB]

Control

circuit

(30A,

30B,

30C)

0.1 FRN0.1C1-2

0.2 FRN0.2C1-2

0.4 FRN0.4C1-2

0.75 FRN0.75C1-2

1.5 FRN1.5C1-2** 16

2.2 FRN2.2C1-2** 10 20

2.5 2.5

Three-phase 200 V

3.7 FRN3.7C1-2** 20 35

2.5

4 4

2.5 0.5

0.4 FRN0.4C1-4

0.75 FRN0.75C1-46

1.5 FRN1.5C1-4**

2.2 FRN2.2C1-4** 16

Three-phase 400 V

3.7

4.0

FRN3.7C1-4**

FRN4.0C1-4**

10 20

2.5 2.5 2.5 2.5 0.5

0.1 FRN0.1C1-7

0.2 FRN0.2C1-76

0.4 FRN0.4C1-7

0.75 FRN0.75C1-710 16

2.5

1.5 FRN1.5C1-716 20

2.5

Single-phase 200 V

2.2 FRN2.2C1-720 35 4 6

2.5

0.5

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