Key facts
- Brand
- Hitachi
- Model
- SJ700B Series
- Category
- Inverter Duty PM Motors
- Documents
- 3
- Languages
- EN · ZH
- Last added
- 2023-10-17
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Hitachi SJ700B Series Inverter User Manual
The document serves as a comprehensive user guide for the Hitachi SJ700B series variable frequency drive (inverter). It covers essential topics including safety precautions regarding electrical hazards, proper installation environments, wiring requirements, and operational procedures. The manual emphasizes strict adherence to safety protocols to prevent injury or equipment damage during setup and usage. This manual is written in Chinese.
Read onlineAll Hitachi SJ700B Series documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the minimum wait time required before inspecting the inverter after turning off the power?
You must turn off the power supply and wait for at least 10 minutes before inspecting the inverter.
What is the maximum safe DC voltage between terminals P and N during an inspection?
The DC voltage between terminals P and N must be 45V or less before you begin inspecting the inverter.
What is the Hitachi SJ700B Series Inverter used for?
This inverter allows you to easily control the speed of a motor or machine operations.
How long must you wait after turning off the power before inspecting the inverter?
You must wait for 10 minutes or more before inspecting the inverter.
What is the minimum waiting time before checking the inverter after power disconnection?
You must wait at least 10 minutes to ensure the DC bus voltage drops below 45V.
Who is authorized to perform maintenance and component replacement?
Only designated personnel are allowed; others should not touch the unit.