Fuji Electric FRENIC-Multi Bedienungsanleitung

Instruction Manual

High Performance Compact Inverter

Thank you for purchasing our FRENIC-Multi 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-SI47-1204-E

Fuji Electric Corp. of America

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-Multi series of inverters.

This product is designed to drive a three-phase induction motor for fan and pump applications. 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-Multi. Read them in

conjunction with this manual as necessary.

• FRENIC-Multi User's Manual

• RS-485 Communication User's Manual

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





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

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

times.

Application

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

single-phase motors or for other purposes.

Fire or an accident could occur.

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

to the human safety.

• Though FRENIC-Multi 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 object nearby.

Doing so could cause fire.

• 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 supply, insert a recommended molded case circuit

breaker (MCCB) or residual-current-operated protective device (RCD)/a ground fault

circuit interrupter (GFCI)(with overcurrent protection). Use the devices within the

recommended current range.

• Use wires in the specified size.

• When wiring the inverter to the power supply that is 500 kVA or more, 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.

• Ground the inverter in compliance with the national or local electric code.

Otherwise, electric shock could occur.

• Qualified electricians should carry out wiring.

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

Otherwise, electric shock could occur.

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

Otherwise, electric shock or injuries could occur.

iii

• 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 supply 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 cover before turning the power ON. Do not remove the

covers while power is applied.

Otherwise electric shock could occur.

• Do not operate switches with wet hands.

Doing so could cause electric shock.

• If the auto-reset 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

acceleration/deceleration time or frequency different from the commanded ones. Design

the machine so that safety is ensured even in such cases.

Otherwise an accident could occur.

• The key on the keypad is effective only when the keypad operation is enabled with

function code F02 (= 0, 2 or 3). When the keypad operation is disabled, prepare an

emergency stop switch separately for safe operations.

Switching the run command source from keypad (local) to external equipment (remote) by

turning ON the "Enable communications link" command LE disables the key. To

enable the key for an emergency stop, select the STOP key priority with function code

H96 (= 1 or 3).

• If an alarm reset is made with the Run command signal turned ON, a sudden start will

occur. Ensure that the Run command 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-Multi 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 (circuit breaker) ON or OFF in order to start or stop

inverter operation.

Doing so could cause failure.

• Do not touch the heat sink and 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.

Maintenance and inspection, parts replacement, and installation of an

option card

• Turn the power OFF and wait for at least five minutes before starting inspection, parts

replacement, and installation of an option card. Further, check that the LED monitor is unlit

and that the DC link bus voltage between the P (+) and N (-) terminals is lower than 25

VDC.

Otherwise, electric shock could occur.

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

persons.

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

• Use insulated tools.

Otherwise, electric shock or injuries could occur.

Disposal

• Treat 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.

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)/a ground fault circuit interrupter (GFCI)*

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), residual-

current-operated protective device (RCD)/a ground fault circuit interrupter (GFCI) or

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

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

interrupter (GFCI) for protection from electric shock in direct or indirect contact power lines

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

power supply is three-phase 230/460 V. For single-phase 230 V power supply, use type A.

When you use no RCD/GFCI, 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

necessary 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 230 V class series of inverters to the power

supply in Overvoltage Category III or to connect the three-phase 460 V class series of

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

required for the control circuitry.

9. When you use an inverter at an altitude of more than 6600ft (2000 m), you should apply

basic insulation for the control circuits of the inverter. The inverter cannot be used at

altitudes of more than 9800ft (3000 m).

vii

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

10. Use wires listed in EN60204 Appendix C.



Recommended wire size (mm2)

Rated current (A)

MCCB or RCD/GFCI

Main circuit

power input

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

[L1/L, L2/N]

Grounding [ G]

Power supply voltage

Applied

motor

rating

(HP)

Inverter type

w/ DCR

w/o DCR w/ DCR *3

w/o DCR

Inverter

output

[U, V, W ]

DCR

[P1,

P (+)]

Braking

resistor

[P (+),

DB]

Control

circuit

(30A,

30B,

30C)

1/8 FRNF12E1ع-2U

1/4 FRNF25E1ع-2U

1/2 FRNF50E1ع-2U

1 FRN001E1ع-2U

2 FRN002E1ع-2U 15

3 FRN003E1ع-2U 10 20

2.5

5 FRN005E1ع-2U 20 30

2.5

4.0

2.5 2.5

7.5 FRN007E1ع-2U 30 50 4.0 6.0 4.0 4.0

10 FRN010E1ع-2U 40 75 6.0 10 6.0 6.0

15 FRN015E1ع-2U 50 100 10 16 10 16

Three-phase

230 V

20 FRN020E1ع-2U 75 125 16 25 16 25

0.5

1/2 FRNF50E1ع-4U

1 FRN001E1ع-4U 5

2 FRN002E1ع-4U

3 FRN003E1ع-4U 15

5 FRN005E1ع-4U 10 20

7.5 FRN007E1ع-4U 15 30

2.5

10 FRN010E1ع-4U 20 40

2.5

4.0

2.5 2.5

15 FRN015E1ع-4U 30 50 4.0 6.0 4.0 4.0

Three-phase

460 V

20 FRN020E1ع-4U 40 60 6.0 10 6.0 6.0

0.5

1/8 FRNF12E1ع-7U

1/4 FRNF25E1ع-7U 5

1/2 FRNF50E1ع-7U

1 FRN001E1ع-7U 10 15

2.5

2 FRN002E1ع-7U 15 20

2.5

4.0

2.5

Single-phase

230 V

3 FRN003E1ع-7U 20 30 4.0 6.0

2.5

4.0

0.5

MCCB: Molded case circuit breaker RCD: Residual-current-operated protective device

GFCI: Ground fault circuit interrupter

Note 1) A box () in the above table replaces S (Standard type) or E (EMC filter built-in type)

depending on the product specifications.

*1 The frame size and model of the MCCB or RCD/GFCI (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 70qC(158qF) 600 V PVC wires used at an

ambient temperature of 40qC(104qF).

*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.

viii

Conformity to UL standards and Canadian standards (cUL certification)

If installed according to the guidelines given below, inverters marked with UL/cUL are considered as

compliant with the UL and CSA (cUL certified) standards.

1. Solid state motor overload protection (motor protection by electronic thermal overload relay)

is provided in each model.

Use function codes F10 to F12 to set the protection level.

2. Connect the power supply satisfying the characteristics shown in the table below as an

input power supply of the inverter. (Short circuit rating)

3. Use 75qC(167qF) Cu wire only.

4. Use Class 1 wire only for control circuits.

5. Field wiring connection must be made by a UL Listed and CSA Certified closed-loop

terminal connector sized for the wire gauge involved. Connector must be fixed using the

crimp tool specified by the connector manufacturer.

6. Short circuit rating

Suitable for use on a circuit capable of delivering not more than 100 kA rms symmetrical

amperes, 240 volts maximum for Three-phase or Single-phase 230 V input class.

Suitable for use on a circuit capable of delivering not more than 100 kA rms symmetrical

amperes, 480 volts maximum for Three-phase 460 V input class.

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