ABB ACS550-U2 Owner's manual

DriveIT Low Voltage AC Drives

Installation Supplement

ACS550-U2 Drives (150…550 HP)

2 Installation Supplement for ACS550-U2 Drives

ACS550 Drive Manuals

GENERAL MANUALS

ACS550-01/U1 User's Manual (0.75…90 kW) /

(1…150 HP)

• Safety

• Installation

• Start-Up

• Diagnostics

• Maintenance

• Technical Data

ACS550-02/U2 User's Manual (110…355 kW) /

(150…550 HP)

• Safety

• Installation

• Start-Up

• Diagnostics

• Maintenance

• Technical Data

ACS550 Technical Reference Manual

• Detailed Product Description

– Technical product description including Dimensional

drawings

– Cabinet mounting information including power

losses

– Software and control including complete parameter

descriptions

– User interfaces and control connections

– Complete options descriptions

– Spare parts

–Etc.

• Practical Engineering Guides

– PID & PFC engineering guides

– Dimensioning and sizing guidelines

– Diagnostics and Maintenance information

–Etc.

OPTION MANUALS

(Fieldbus Adapters, I/O Extension Modules etc., manuals

delivered with optional equipment)

Relay Output Extension Module (typical title)

• Installation

• Start-Up

• Diagnostics

• Technical Data

Installation Supplement for ACS550-U2 Drives 3

Safety

General

In this manual, ACS550 refers, unless otherwise stated, to type ACS550-U2.

Warning! The ACS550 adjustable speed AC drive should ONLY be installed by

a qualified electrician.

Warning! Even when the motor is stopped, dangerous voltage is present at the

Power Circuit terminals U1, V1, W1 and U2, V2, W2 and UDC+, UDC-.

Warning! Even when power is removed from the input terminals of the

ACS550, there may be dangerous voltage (from external sources) on the

terminals of the relay outputs RO1…RO3 or on option modules.

Warning! Dangerous voltage is present when input power is connected. After

disconnecting the supply, wait at least 5 minutes (to let the intermediate circuit

capacitors discharge) before removing any covers.

Warning! The ACS550-U2 is field repairable by qualified personnel only. To

service or repair a malfunctioning unit, contact your local Authorized Service

Center.

Warning! The ACS550 will start up automatically after an input voltage

interruption if the external run command is on.

Warning! When the control terminals of two or more drive units are connected

in parallel, the auxiliary voltage for these control connections must be taken

form a single source, which can either be one or the units, or an external

supply.

Warning! The heat sink may reach a high temperature. See Technical Data

chapter in User’s Manual.

Use of Warnings and Notes

There are two types of safety instructions throughout this manual:

• Notes draw attention to a particular condition or fact, or give information on a

subject.

• Warnings caution you about conditions which can result in serious injury or death

and/or damage to the equipment. They also tell you how to avoid the danger. The

warning symbols are used as follows:

Dangerous voltage warning warns of high voltage which can cause physical injury

and/or damage to the equipment.

General warning warns about conditions, other than those caused by electricity,

which can result in physical injury and/or damage to the equipment.

4 Installation Supplement for ACS550-U2 Drives

Table of Contents

Safety

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Use of Warnings and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Table of Contents

Installation

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Moving the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Connecting Power and Control Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Maintenance

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Separating the Drive and Extension Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Technical Data

Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Installation Supplement for ACS550-U2 Drives 5

Installation

Introduction

ACS550-U2 drives include an extension

module that is not covered in the

ACS550-02/U2 User’s Manual. The

extension module is attached to the drive

module at the factory.

This supplement provides the additional

extension module information required

for ACS550-U2 drives:

• Additional installation steps and

considerations.

• Steps for separating the drive from the

extension module for drive service

access.

• Dimensions for the extension module.

This supplement requires and routinely refers to the document: ACS550-02/U2

User’s Manual.

WARNING! Only qualified electricians are allowed to carry out the work described in

this chapter. Follow requirements in "Safety" on the first pages of this manual.

Ignoring the safety instructions can cause injury or death.

Planning

When planning for cable/conduit routing, refer to the ACS550-02/U2 User’s Manual,

but note that, for the ACS550-U2, all connections are routed through the top of the

extension module.

Moving the Unit

1. Move the transport package by pallet truck to the installation

site.

2. Unpack the transport package.

3. To position the unit, use a lift, connected as shown.

Drive

Extension

Module Module

6 Installation Supplement for ACS550-U2 Drives

Installation

Mounting

Fastening the Unit

See the "Dimensional Drawings" in the "Technical Data" section of this document for

the exact locations of the mounting points.

1. Use at least four screws – two at the front, two at the back – to attach the unit base

plate to the floor.

2. Use at least two screws to attach the back of the enclosure to a wall.

There are two holes available at the top of each: the extension module and the drive

module.

Connecting Power and Control Cables

Additional considerations that apply with the enclosure extension:

• The power cable connection diagram that applies for the ACS550-U2 is:

• Temporarily remove the upper high voltage shield (clear plastic) to gain access to

the power connections in the extension module.

• To avoid metal shavings inside the cabinet, temporarily remove the gland/conduit

plate at the top of the extension module. Then drill holes and mount conduit or

cable fittings as needed.

Extension Module ACS550-02

Control

Panel

Switch-fuse

Disconnect

3 ~

Motor

Supply

Control

Wiring

Drive Module

V2U2 W2

V1U1 W1

L1 L2 L3 PE U1 V1 W1

OMIO

Installation Supplement for ACS550-U2 Drives 7

Installation

• Route all power and control wiring through the top of the extension module.

• The following diagram shows the power and control connection points in the

enclosure module supplied with the R7 drive module.

PDM-146378-8

Switch Fuse

Input (U1,V1,W1)

Output (U2,V2,W2)

PE Connection

Gland/Conduit Plate

OMIO Board

(Control Wiring Terminals

and Option Module Mounts)

R7 Frame Size (Cable fittings shown

are typical examples

)

8 Installation Supplement for ACS550-U2 Drives

Installation

• The following diagram shows the power and control connection points in the

enclosure module supplied with the R8 drive module.

• Re-mount the high voltage shield.

Warning! Always replace all high voltage shields before applying power.

• See the ACS550-02/U2 User’s Manual for detailed instructions on control

connections, installation check list and drive start-up process.

Switch Fuse

Input (U1,V1,W1)

Output (U2,V2,W2)

PE Connection

OMIO Board

(Control Wiring Terminals

and Option Module Mounts)

R8 Frame Size Gland/Conduit Plate

(Cable fittings show

are typical example

Installation Supplement for ACS550-U2 Drives 9

Maintenance

This section describes the procedure for separating the drive and extension

modules, which is required to provide service access to the drive module.

Safety

WARNING! Read "Safety" on the first pages of this manual before performing any

maintenance on the equipment. Ignoring the safety instructions can cause injury or

death. Note: There are parts carrying dangerous voltages near the OMIO board

when the drive is powered.

Separating the Drive and Extension Modules

The drive module is mounted on a trolley that straddles a pedestal. The following

procedure removes mechanical connections so that the drive module and trolley can

roll forward for service access.

1. Disconnect all power sources from the drive/

extension modules and wait at least 5 minutes for

internal capacitors to fully discharge.

2. Remove all front covers from the drive module.

3. Disconnect the control panel cable.

4. Remove the upper side plate from the drive module

if convenient.

5. Remove screws (if any) that fasten the drive module

to the wall.

6. Inside the pedestal, toward the rear are screws that

attach the drive bus bars to the pedestal bus bars.

The connections are staggered for easy access

using a wrench with an extension. Remove these

screws (6).

Torque when re-assembling:

• R7: M8 (5/16 in) screws, 15…22 Nm (11…16 lb

ft)

• R8: M10 (3/8 in) screws, 30…44 Nm (22…32 lb

ft)

Warning! Be careful not to drop screws inside the

pedestal. Loose metal pieces inside the unit may

cause damage.

R7 5

10 Installation Supplement for ACS550-U2 Drives

Maintenance

7. The following cables between the drive and the

extension module are split by a connector located

at the front of the drive. Disconnect both cables at

this location.

• The power supply cable to the OMIO board.

• The power supply cable to the extension

module cooling fan.

8. At the OTIF board, disconnect the two fiber optic

cables. Make note of the terminal colors for use

when reconnecting.

9. Carefully remove the cables disconnected in the

above steps: Pull the cables down inside the

pedestal and bundle them so that they will not get

damaged or caught in the trolley when the drive

module is wheeled out.

10. Remove screws fastening the drive module trolley

to the pedestal.

Warning! These screws are an important step

during re-assembly – the screws are required for

grounding the drive.

11. R8: The front of the trolley includes support

braces that fold out. Lift each brace slightly and

fold it out.

12. Remove screws that fasten the drive module to

the extension module.

CAUTION! The drive module is now separated

and could tip over. Use care when moving the

drive module.

13. Pull on the handle to wheel the drive module out.

Drive Maintenance

See the ACS550-02/U2 User’s Manual for drive

maintenance procedures.

Re-Assembly

Re-attach the modules in reverse order to the above.

10 Pedesta

Trolley

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