MODEL SHOWN: ACS 320VFD KEYPADS IN E-BOXSUPPLEMENTALMANUALFACTORY-INSTALLEDABB VARIABLE FREQUENCYDRIVES (VFD)IN RENEWAIRE(ERV) VENTILATORSRENEWAIRE.COMTABLE OF CONTENTSProduct info ............................ 2Installation ........................... 3-9Operation......................... 10-16VFD KEYPADS IN E-BOX

ABB ACS320 Supplemental Manual

ACS320 series

List of related manuals

Safety in installation and maintenance

Safe start-up and operation

Power connections and control interfaces

Type designation label

Type designation key

Installing

Checking the compatibility with IT (ungrounded) and corner-grounded TN systems

Connecting the power cables

Connecting the control cables

Installation checklist

How to start up the drive

How to control the drive through the I/O interface

Terms and abbreviations

Default values with different macros

Actual signals in the short parameter view

Parameters in the short parameter view

Ratings

Definitions

Fuses and alternate short-circuit protection

UL marking

Product and service inquiries

1. Safety

Contents of this chapter

General safety

Contents of this manual

Quick installation and commissioning flowchart

Product overview

Required tools

Unpacking

Fasten clamping plates

Selecting the supply disconnecting device (disconnecting means)

Selecting the power cables

Alternative power cable types

Additional North American requirements

Selecting the control cables

Routing the cables

against thermal overload

Using residual current devices (RCD) with the drive

Protecting the contacts of relay outputs

Motor and motor cable

Checking the compatibility with IT (ungrounded) and corner grounded TN systems

Connection procedure

Default I/O connection diagram

Connecting the embedded fieldbus

General display features

Start-up

Start-up by changing the parameters individually

Modes

Parameters mode

Start-up assistant mode

Changed parameters mode

Clock set mode

I/O settings mode

General considerations

Selecting an application macro

Application / Macro listing

HVAC default

Supply fan

Return fan

Cooling tower fan

Condenser

Booster pump

PFA control macro

Internal timer

Internal timer with constant speeds / PRV

Floating point

Dual setpoint with PID

Dual setpoint with PID and constant speeds

E-BYPASS

Hand control

E-Clipse

Modbus configuration macro

List of the tasks and the relevant drive parameters

Contents of the assistant displays

Local control vs. external control

External control

Block diagram: Start, stop, direction source for EXT1

Reference types and processing

Reference trimming

Programmable analog inputs

Programmable analog output

Programmable digital inputs

Diagnostics

Frequency input

Actual signals

Power loss ride-through

Maintenance trigger

Critical speeds

Custom U/f ratio

R compensation

Motor thermal protection

Incorrect wiring

ACS355 series