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TABLE OF CONTENTS

• Getting Started Chapter 1 Introduction
• Receiving Storage and Transportation
• Nameplate Information
• Identification of components and accessories
• Installation Requirements Chapter 2 Installation and Wiring
• Main Circuit Wiring
• Control Circuit Wiring.....................................................................................
• Basic Wiring Diagram ...................................................................................
• Description of the Digital Keypad.................................................................. Chapter 3 Digital Keypad Operation
• Explanation of Displayed Messages .............................................................
• Chapter 4 Start Up .......................................................................................................
• Chapter 5 Parameter Settings .....................................................................................
• Chapter 6 Summary of Parameter Settings ...............................................................
• Chapter 7 Troubleshooting and Fault information ....................................................
• Appendix A Standard Specifications .............................................................................
• Appendix B Serial Communications ..............................................................................
• Appendix C Dimensions .................................................................................................
• Appendix D Accessories List .........................................................................................
• Appendix E EMI Filters ...................................................................................................
• Appendix F EC Declaration of Conformity ....................................................................
• Appendix G NFB (No-Fuse Breaker) Specification .......................................................

1

Introduction

Congratulations on your purchase of the DELTA VFD-A series AC motor drive. The VFD series is a high-performance / low noise general-purpose AC motor drive, manufactured using high-quality components and incorporating the latest micro-processor technology available.

The purpose of this chapter is to provide specific, yet simple information to unpack , install , and operate the AC drive. This chapter contains information on the following:

„ Getting Started „ Receiving, Transportation, and Storage „ Nameplate Information „ Identification of Components and Accessories

„ Getting Started

This manual will help in the installation, parameter setting, troubleshooting, and maintenance of the AC drive. To guarantee safe operation of the equipment, read the following safety guidelines before connecting the drive to the AC power line. Keep this manual in a place where it is available to all users for their reference.

Warning! To avoid personal injury, do not remove the cover of the AC motor drive until all of the

digital keypad “DISPLAY LED” lamps are off. The DC-link capacitor remains charged with a hazardous voltage even after input power is removed.

Warning! Do not connect or disconnect wires and connectors while power is applied to the circuit.

All connections should be performed by qualified personnel.

Attention: Grounding the VFD-A drive is done by connecting the Earth Ground to the drive

ground terminal.

Attention: The final enclosure for operating the AC Motor Drive must comply with the

requirements of EN 50178. ( Live parts shall be arranged in enclosures or located behind barriers that meet at least the requirements of the Protective Type IP20 ; Top surfaces of enclosures or barriers that are easily accessible shall meet at least the requirements of the Protective Type IP )

Caution: There are highly sensitive components on the printed circuit boards. These components

are especially sensitive to ESD (electrostatic discharge). To avoid damage to the drive , do not touch components or the circuit boards until all static control precautions have been taken.

Caution: Never connect the main circuit output terminals U, V, and W directly to the AC main

circuit power supply as this will damage the drive.

Caution: Do not apply the antirust to screws for fastening drives; Please clean the drives and

screws with dry cloth or alcohol, not with synthetic cleaner. Fasten the screws with washers and rated torque lest the enclosure corners of drives be distorted.

This manual is for DELTA AC Motor Drive VFD-A and VFD-H Series. For the frequency in Pr.03, Pr.04, Pr.06, Pr.16, Pr.17, Pr.18, Pr.19, Pr.20, Pr.21, Pr.22, Pr.23, Pr.36, Pr.37, Pr.47, Pr.67, Pr. and Pr.69, VFD-A Series can be regulated up to 400Hz and VFD-H Series up to 1500Hz.

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„ Identification of components and accessories

Removing and Installing the Front Cover

Refer to the figure shown below to remove the front cover. To re-install the front cover, simply reverse the indicated procedures.

♦0.75 - 1.5 KW (1-2HP) ♦2.2 - 3.7 KW (3-5HP)

The front cover snaps on. Pull as The front terminal block cover snaps shown to remove the front cover. on. Pull as shown to release cover.

♦5.5 - 22.0 KW (7.5-30HP) ♦5.5 - 22.0 KW (7.5-30HP)

1. Mounting screw holes
2. Heat sink
3. Digital keypad
4. Ventilation hole and blind plate installation position
5. Nameplate label
6. Terminal cover
7. Input / output rating
8. Cooling fan
9. External braking resistor (optional)

Removing the Digital Keypad

The digital keypad can be easily removed from the AC motor drive unit as shown below.

♦0.75 - 1.5 KW (1-2HP) ♦2.2 - 3.7 KW (3-5HP)

♦5.5 KW - 22.0 KW The 7.5 thru 30 HP units have screws holding the digital keypads in place. To remove the keypad, first remove the screws and then lift the keypad out of the AC drive. ♦5.5 – 7.5 KW (7.5-10HP) ♦11.0 – 22.0 KW (15-30HP)

♦ Installing the Optional Remote Control Unit (RC-01)

„ Wiring

Main Circuit Wiring

(1) Power terminal block designations

Power input and output may be connected via a nine or ten position terminal block. The pin assignments are as follows:

Model Power terminal pin assignments

VFD007A21A

VFD007A23A

VFD015A21A

VFD015A23A

VFD007A43A

VFD015A43B

AWG: 22- Torque: 10kgf-cm

R S T U V W B1 B

AC Input Line Terminals (^) Motor Connection

Braking Resistor

Earth Ground

VFD022A21A

VFD022A23A

VFD037A23A

VFD022A43A

VFD037A43A

AWG:18- Torque: 16kgf-cm

U V W R S T B1 B

AC Input Line Terminals Motor Connection

Braking Resistor

Earth Ground

VFD055A23B

VFD075A23B

VFD055A43B

VFD075A43B

AWG: 14- Torque: 20kgf-cm

R S T U V W N P/B1 B

AC Input Line Terminals Motor Connection

Braking Resistor

Earth Ground

VFD110A23A

VFD150A23A

VFD185A23A

VFD220A23A

VFD110A43A

VFD150A43A

VFD185A43A

VFD220A43A

AWG:10- Torque: 52kgf-cm

R/L1 S/L2 T/L3 +1 +2 N(-) U/T1 V/T2 W/T

AC Input Line Terminals Braking Unit

Motor Connection

Earth Ground

For VFD-A Series 15-30HP (VFD110A23A/43A, VFD150A23A/43A, VFD185A23A/43A, VFD220A23A/43A), the ring terminals below are suggested to be used when proceeding with main circuit wiring:

Vendor AWG Vendor Part NO. Moles 2 (Red) G-975- 4 (Yellow) F-966- 6 (Blue) E-957- 8 (Red) D-950- AMP : ECBT 2 320383 4 33469

(2) Power block terminal designations

Terminals Description R, S, T AC input line terminals U, V, W Motor connection P/B1, B2 Connection for the regenerative resistor (option) P/B1, N Connection for the braking unit Ground (connect appropriate ground wire to avoid electrical shock and noise interference)

(3) Terminal dimensions

VFD007A21A⋅VFD007A23A VFD022A21A⋅VFD022A23A VFD055A23B⋅VFD075A23B Model VFD015A21A⋅VFD015A23A^ VFD037A23A^ VFD055A43B⋅VFD075A43B VFD007A43A⋅VFD015A43B VFD022A43A⋅VFD037A43A Terminal Terminal diameter

Terminal width

Terminal diameter

Terminal width

Terminal diameter

Terminal width Spec. M3 7 mm M3.5 8 mm M4 10 mm VFD110A23A⋅VFD110A43A Model VFD150A23A⋅VFD150A43A VFD185A23A⋅VFD185A43A VFD220A23A⋅VFD220A43A Terminal Terminal diameter

Terminal width Spec. M6 18.5mm

Control Circuit Wiring

(1) Control terminal block designations The control leads must be routed separately from the power supply and motor leads. They must not be fed through the same cable conduit.

Terminal Symbol

220V/440V Class 1 ∼ 5HP (AWG: 28 – 14; Torque:4 kgf-cm) RA RB RC +10V AVI ACI AFM ACM MO1 MO2 MCM MI1 MI2 MI3^ FWD REV RST EF^ TRG DCM DFM^ SG+ SG- DCM

+EV

220V/440V Class 7.5 ∼ 30HP (AWG: 24 – 12; Torque:4 kgf-cm) RA RB RC MI1 MI2 MI3 (^) REV FWDRST EF TRGDFMDCMMO1 MO2MCM +10VAVI ACIAFM XXACMSG+SG

(2) Control terminal block descriptions

Close Contacts between Terminals

Terminals Use Function

RA - RC Multi-function indication output contact

Refer to Chapter 5, Pr.

RB - RC Multi-function indication output contact MI1 - DCM Multi-function input 1 MI2 - DCM Multi-function input 2 Refer to Chapter 5, Pr.39, 40, 41 MI3 - DCM Multi-function input 3 REV - DCM Reverse / Stop “Open”→stop, “Close” → Reverse FWD - DCM Forward / Stop “Open”→stop, “Close” → Forward RST - DCM Reset “Close” → Reset EF - DCM External fault “Close” → External fault DFM - DCM Digital frequency meter Digital frequency output (0, +10 V) TRG - DCM Counter trigger input “Open”→“Close”:(counter value)+ MO1 - MCM Multi-function PHC output 1 Refer to Pr.45, 46 MO2 - MCM Multi-function PHC output 2 (open collector output) +10V - ACM Power supply for speed setting +10 V (20 mA max. output current) AVI - ACM Analog voltage input 0 ∼10 V (Max. output freq.) input ACI - ACM Analog current input 4 ∼20 mA (Max. output freq.) input AFM - ACM Analog frequency/current meter

0 ∼10 V (Max. output freq.) output

SG+ - SG- Serial communication interface RS-485 serial port +EV - DCM Auxiliary control power source DC 20V ~ 24V (50mA Max.)

Note: Use twisted-shielded or twisted-pair shielded-lead wires for the control signal. It is recommended to run signal wiring in a separate steel conduit. The shield wire should only be connected at the drive.

„ Basic Wiring Diagram

R S T

EF

MI MI MI REV FWD RST

TRG

Multi-function input 1

R S T

DCM

U V W

IM

Analog frequency/current meter

N P/B1 B

Braking resistior(option)

Power source 3 phase 200-240V or 380-480V 50/60Hz

Motor

AFM

Grounding

VFD-A

RB

RA

RC

Multi-function indication output contact

MO

MO

MCM

AC 250V 2A below DC 30V 2A below

ACM

and fuse

+10V AVI ACI

ACM

Frequency setting

DFM Digital signal common

Current input

3 2 1

0V



Multi-function input 2

Reset External fault Counter trigger input Digital frequency meter

Multi-function input 3 REV/STOP(REV/STOP) FWD/STOP(RUN/STOP)

Analog signal common

48V 50mA below

Multi-function PHC output 2

Multi-function PHC output 1 48V 50mA below

SG SG RS-485 Serial interface

PC

AC Motor Drive

Signal + Signal -

1 1 1 2 2 3 4 5 9

8

8

6

Notes A: Refer to Pr.39, 40, 41 on page 35. Refer to Pr.38 on page 34. Refer to Pr.45, 46 on page 38 and Pr.63, 64, 66 on pages 45 and 46. Refer to Pr.43 on page 36. Refer to Pr.00 on page 21, Pr.48, 49 on page 39. Refer to Pr.42, 44 on pages 36 and 37.

1 2 3 4 5 6

(^7) Refer to Pr.57 on page 42.

indicates shielded leads and twisted-pair shielded leads.

Terminal symbols : shows main circuit; shows control circuit;

Notes B:

7

(^9) Refer to Pr.00, 01 on page 21 and Pr.77, 78 on page 50.

(^8) Refer to Pr.45, 46 on page 38.

DC 20V ~ 24V ( 50mA Max. ) +EV

0- +10V1K - 5K

4 - 20ma

}

Use a disconnect

„ Wiring diagram and programming for the RC-01 external control.

MI or MI or MI

REV

FWD RST

DCM +10V

AVI ACM

AFM

8 6 5 4 16 15 14 13 11 (^) Program Parameters

Pr. 00 =d0001 Pr. 01 = d0001 or d Pr. 38 = d0001 Pr. 39, Pr. 40 or Pr. 41 =d Note: Pr. 41 ＞ Pr. 40 ＞ Pr. 39

DATA

FUNC Function / Data Displays information on the AC drive status such as the reference frequency, output frequency, or output current in the normal mode. While the drive is in the Program Mode, press this key once to display the current parameters. After changing the parameters, press this key again to store the new parameters.

REV

FWD Forward / Reverse Used to toggle between forward and reverse operation. Pressing this key will cause the motor to ramp down to 0 Hz and then ramp up to the preset speed in the opposite direction. By default, the digital keypad controls the AC drive forward/reverse operation. To control the forward/reverse operation via the control terminal block, change the Pr.01 parameter to “d0001” or “d0002”.

JOG

Jog Used to start the AC drive, then run at the jog frequency as set by the parameter specified under Pr.23 [Jog Frequency].

RUN

Run Used to start the AC drive operation. This key has no effect when the drive is set to terminal run.

STOP

Stop Used to stop the AC drive operation.

Up / Down Press the “Up” or “Down” button to change parameter settings. These keys may also be used to scroll through different operating values or parameters. Note: Pressing the “Up” or “Down” button momentarily changes the parameter settings in increments. Press and hold down either of these keys to rapidly run through the possible settings.

„ Explanation of Displayed Messages

Displayed Message Description

Displays the AC drive output frequency controlled by the Maximum Output Frequency (Pr. 03), Jog Frequency (Pr. 16), or by the Multi-Function Input Terminals (Pr. 39-41). If the frequency source originates from the Digital keypad, the user can use either the

or key to set the frequency. Displays the output frequency present at terminals U, V, and W.

Displays the custom unit (v), where v = H x Pr.65.

Displays the internal counter value (C). Note: Refer to Chapter 5, Pr.45, 46, 64 - 66 for a detailed description of the above.

Displays the output current present at terminals U, V, and W

Displays the specified parameter number. The actual parameter

value may be displayed by pressing the

FUNC DATA (^) key.

Displays actual value stored within the specified parameter.

Press the

FUNC DATA (^) key to store the value of the specified parameter.

The display will read “end” (as shown) for approximately 1 second if the input has been accepted. After a parameter value has been set, the new value is automatically stored in memory. To modify an entry,

use or key.

„ Explanation of the LED Indicators

RUN STOPJOG FWD REV

Red lamp lights during REV operation. Red lamp lights during FWD operation. Red lamp lights during JOG. Red lamp lights by pressing STOP. Red lamp lights by pressing RUN.

RUN or STOP lamp indication is defined by the following operation

FWD or REV lamp changes indication is defined by the following operation

Inverter output frequency

Frequency command

RUN

LAMP

STOP

LAMP

LIGHT BLINK LIGHT OFF

STOP key

FWD LAMP REV LAMP

FWD REV

RUN

OUTPUT FREQ. REV

FWD

LIGHT BLINK LIGHT OFF

RUN key STOP key

Setting parameters:

To operate the AC drive under optimum conditions, some parameter values may be modified as required. During the “Run” mode, the following set of parameters may be modified: 10-14, 16-23, 44, 48-50, 52-55, 65. It is also possible to check all the parameter settings during operation.

FUNC DATA

FUNC Output frequency DATA monitor

RESET

PRGM

FUNC DATA

RESET

PRGM RESET

PRGM

Press PRGM key

Press FUNC key Press FUNC key

Press up / down key to set the parameter data.

FUNC DATA Press DATA key to store the data.

FUNC DATA Press DATA key to display parameter data.

RESET

PRGM

Press PRGM key, return to the normal operation mode.

Output current monitor

RESET

PRGM

Press up / down key to set the parameter setting number.

Indication after power on. Frequency command

Press PRGM key Press PRGM key

Press PRGM key, return to the normal operation mode. (Data entered will not be stored.)

Press FUNC key

4

Start-up

This chapter describes the steps needed to start the AC drive and typical adjustment and verification procedures to ensure a simple and efficient start-up. The following start-up procedures describe the most common parameter settings and system configurations.

„ Initial Operation - Motor Disconnected

9 Verify that the AC power line, at the disconnect device, is within the rated power of the AC drive.

9 Disconnect and lockout all incoming power to the drive.

9 Connect the AC drive to the power line.

9 Reconnect the incoming power to the drive.

9 Proceed as follows to select a mode of operation.

1. Operating frequency determined by the digital keypad, Digital keypad enabled to control AC drive operation. (Pr.00 = d0000, Pr.01 = d0000) (Factory default setting)

IM

2. Operating frequency determined by the digital keypad, Control terminals enabled to control AC drive operation; ”Stop” key on digital keypad is enabled. Two wire “REV/STOP” and “FWD/STOP” remote control enabled. (Pr.00 = d0000, Pr.01 = d0001, Pr.38 = d0000)

REV/STOP FWD/STOP

IM

FWD

REV

DCM