1SDA099907R1 ABB 10039871

Using the comparison guide

Important notice

This guide is intended for limited distribution to ABB’s channel

partners and customers who are replacing the ACH550 drive

with the ACH580 HVAC drive. ABB has prepared this document

to aid sales associates, authorized channel partners and

customers in the drive replacement. Every attempt has been

made to ensure the accuracy of the information.

All installation and electrical work should be carried out by a

trained professional. ABB takes no responsibility for any

damages or other liability whatsoever (including any

consequential damages, even if ABB or an ABB representative

had advised of the possibility of such damages) resulting from

the use or selection of this document for any information,

apparatus, method, process, or similar item disclosed in this

guide. Specification is subject to change without notice.

This guide will help you to replace the ACH550 drive with the

ACH580 HVAC drive. Follow the steps outlined in this guide to

find the optimal replacement product and to expedite the

replacement process.

Step 1: Sizing of the drive and selecting options

Compare power range, mounting methods and dimensions to

select the appropriate ACH580 product compared to the

ACH550 drive, see the checklist items for some useful

guidance.

Step 2: Wiring and parameter setup

Compare electrical data and basic parameter range for optimal

replacement. Use the replacement ACH580 manual to assist

with the commissioning process.

Before beginning, some basic checklist items

All information regarding the control of your application

should be gathered from the ACH550 prior to selecting and

performing the actual replacement, control and parameter

settings should be noted to ensure consistency in the

replacement ACH580.

This checklist covers the main information you may require to

guide you through the replacement process. If the ACH550

cannot be powered, the technician should gather all the

information below that is not parameter related.

ACH550 upgrade basics

Record nominal power, current, voltage, etc. ratings taken

from your motor nameplate (to use in the ratings

comparison tables)

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1SDA099907R1 ABB 10039871

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