The ATV 21 asynchronous motor inverter user manual provides information on safety precautions, general operations, and precautions during transportation and installation.
The ATV 21 frequency transformer is intended for general industrial use to control the speed of three‑phase induction motors. This user manual covers the required safety precautions, installation steps, wiring guidelines, operating procedures and maintenance practices.
Key sections include safety symbols and warnings, transport and installation requirements, wiring restrictions, electrical installation procedures, routine inspection, and proper disposal of the unit. The document also specifies required emergency stop devices and recommended protective measures. This manual is written in Chinese.
| Test voltage for DC main circuit | 800 V DC or higher |
|---|---|
| DC main circuit voltage check limit | ≤ 45 V |
Immediately turn off the power and contact the local sales agent for repair.
No. Connecting the input power to the output terminals is prohibited and may cause fire.