ABB ACH 400 User Manual

Table of Contents
vii ACH 400 with Electronic Bypass Users Manual
ACH 402 NEMA Type 12, Size R7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
ACH 402 NEMA Type 1, Size R8 - R9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
ACH 402 NEMA Type 12, Size R8 - R9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Electrical Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Cable Entries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Terminal Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Connection Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Input Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Output Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Chapter 4 – Start-up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Installation Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Electronic Bypass Jumper, Switch and Pot Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
DIP Switch Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
User Override Jumper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Relay Output Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Overload Trip Current Adjustment Potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Macros and Parameter Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Keypad Control Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Motor Disconnected from the ACH 400
with Electronic Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Motor Connected to the Electronic Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

ABB ACH 400 Specifications

General

Brand	ABB
Model	ACH 400
Category	Controller
Language	English

Summary

Safety Instructions

General Safety Instructions

General safety guidelines and warnings for the ACH 400 with Electronic Bypass.

Warning Symbols

Chapter 2 – Overview of ACH 400 with Electronic Bypass

Electronic Bypass Features and Components

Bypass Operation and Control

Detailed Operation and Keypads

In-depth description of operation and the bypass control keypad functions.

Chapter 3 – Installation Instructions

Pre-Installation Planning and Environment

Mounting and Wiring Requirements

Electrical Installation Details

Covers cable entries, terminal sizes, and electrical installation procedures.

Input and Output Wiring

Specific instructions for connecting input power and motor output wiring.

Control Wiring and Connections

Details on connecting control signals, analog inputs, and relay outputs.

Chapter 4 – Start-up Procedure

Safety Precautions and Installation Checks

Critical safety measures and post-installation inspections before start-up.

Configuration Settings

Keypad Control Tests

Motor Connection and Testing