This document is the Hitachi Industrial Equipment Systems Co., Ltd. SJ7002 series inverter product manual, which details the product's usage methods and precautions.
This document is the Instruction Manual for the Hitachi SJ7002 Series Inverter, covering both Three-phase Input 200V Class and Three-phase Input 400V Class models. It serves as a critical reference for qualified electrical maintenance personnel during installation, adjustment, and servicing of the equipment.
The manual details safety messages, definitions, and symbols, emphasizing the hazards of high voltage and the necessity of disconnecting power before maintenance. It outlines general precautions, including the requirement for qualified personnel, proper grounding, and adherence to local electrical codes. Specific sections cover step-by-step installation procedures, wiring practices, and electrical specifications.
| Input Voltage (200V Class) | Three phase 200 to 240V 50/60Hz |
|---|---|
| Input Voltage (400V Class) | Three phase 380 to 480V 50/60Hz |
| Motor Grounding Requirement | Low resistive path less than 0.1Ω |
The equipment should be installed, adjusted, and serviced by qualified electrical maintenance personnel familiar with the construction and operation of the equipment.
Users must wait at least ten minutes after turning off the input power supply before performing maintenance or inspection to avoid electric shock.
A ground leakage type breaker with a fast response circuit capable of handling large currents is recommended.