Hitachi SH1 Series User Manual

Introduction
NT2511
Basic Guide
HITACHI SH1 Series Inverter
SH1
Contents
Chapter 1: Safety Instructions
Chapter 2: Installation and Wiring
Chapter 4: Settings
Chapter 3: Operation Setting and Examples
of I/O Adjustment
Chapter 5: Troubleshooting
Chapter 6: Maintenance and Inspection
Chapter 7: Specifications
Index
If you have any inquiry or problem,
Refer to Chapter 5 Troubleshooting
or
Contact the Technical Inquiry Service
for Inverter.
When making a contact, inform
the reference number on below.
NT9401CX
SH1

Hitachi SH1 Series Specifications

General

Frequency Range	50/60 Hz
Operating Temperature	-10°C to +50°C
Series	SH1
Power Rating	0.4-15kW
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Humidity	5-95% (non-condensing)
Altitude	Up to 1000m

Summary

Chapter 1: Safety Instructions

Types of Warnings

Classifies safety precautions by severity levels: DANGER, WARNING, CAUTION.

Precautions for Installation and Wiring

Details risks and guidelines for installing and wiring the inverter safely, covering fire, injury, and electrical hazards.

General Safety Cautions

Covers other general cautions, EMC compliance, and environmental requirements for safe operation.

Chapter 2: Installation and Wiring

Check the Inverter and Package Contents

Verifies the inverter model and contents against the specification label and package.

Inverter Installation Requirements

Specifies environmental conditions, space, and mounting guidelines for proper inverter installation.

Wiring Procedures

Explains correct wiring for main power, control signals, and grounding terminals.

Residual Risk Assessment

Lists potential risks after installation and essential preventive measures for safe operation.

Chapter 3: Operation Setting and I/O Adjustment

Basic Motor and Frequency Settings

Guides on configuring essential motor data and setting frequency references via keypad or terminals.

Analog Input/Output Configuration

Details how to adjust and fine-tune analog input and output signals for precise control.

Chapter 4: Settings

Keypad Operation and Navigation

Explains the operator keypad layout, functions, and procedures for navigating menus and settings.

Parameter Configuration Overview

Introduces the parameter structure, monitor naming, and basic configuration steps.

Parameter Configuration - Motor Settings

Covers basic parameters for Induction and Permanent Magnet motors, including capacity, poles, and frequency.

Parameter Configuration - Input/Output Terminals

Describes the functions and assignments for intelligent input and output terminals for versatile control.

Chapter 5: Troubleshooting

Error Events and Corrective Actions

Lists common error codes, their causes, corrective actions, and related parameters for diagnosing issues.

Common Errors and Solutions

Provides guidance on resolving common operational issues like screen display, motor rotation, and startup failures.

Chapter 6: Inspection and Maintenance

Routine Inspection Procedures

Details daily checks for operational status and periodic inspections for component integrity.

Component Lifespan and Testing

Covers insulation resistance tests, dielectric withstand tests, and lifespan considerations for key components.

Chapter 7: Specifications

General Inverter Specifications

Provides comprehensive technical data including model details, ratings, dimensions, and environmental requirements.

Current Derating Tables

Details current derating curves based on carrier frequency and load ratings for safe operational limits.