Hitachi SH1-900H 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 SH1-900H Specifications

General

Brand	Hitachi
Model	SH1-900H
Category	Inverter
Language	English

Summary

Chapter 1 Safety Instructions

Precautions for installation

Safety measures required during the installation phase.

Precautions for Wiring

Safety guidelines and warnings related to electrical wiring.

Precautions to Run and Test Running

Safety instructions for initial startup and testing procedures.

Precautions for Maintenance/Inspection

Safety measures to follow during maintenance and inspection tasks.

Chapter 2 Installation and Wiring

Install the Inverter

Guidance on proper installation environment and mounting methods.

Inverter Wiring

Details on wiring peripheral equipment to the inverter.

Wiring of the main circuit

Instructions for connecting the main power supply and motor.

Wiring to the main circuit terminal block

Detailed diagrams for connecting main circuit terminals.

Wiring of the control circuit

Diagrams and instructions for connecting control circuit signals.

Control circuit wiring section

Details on configuring and wiring intelligent input terminals.

Residual risk

Identifies potential residual risks after installation and mitigation measures.

Chapter 3 Operation Setting and Examples of I/O Adjustment

Set the load rating

Procedure to select the load type and its effect on current parameters.

Set the motor data

Parameters for configuring induction and synchronous motor data.

Frequency setting from keypad

How to set frequency references using the keypad.

Run key using on the keypad

Procedure for starting and stopping the inverter using the keypad.

Multispeed terminals command

Using input terminals for multi-speed frequency selection.

Operate using FW/RV terminal

Controlling forward and reverse rotation using external terminals.

Potentiometer frequency command

Operate using 3WIRE terminal

Adjust the analog input (Ai1/Ai2)

Adjust the analog output (Ao1/Ao2/FM)

Adjust the analog input (Ai3)

Chapter 5 Troubleshooting

Error events

Possible errors and solutions