This manual provides a detailed introduction to the overview, unpacking inspection, disassembly and installation, wiring, operation, detailed function description, fault inspection and troubleshooting, maintenance and maintenance, communication protocol, etc. of the variable frequency drive.
This manual provides comprehensive guidance for the INV CHF series frequency converters. It includes safety precautions, component descriptions, installation requirements, wiring diagrams, and detailed functional explanations.
The document also contains fault diagnosis procedures, replacement of wear parts, warranty information, and technical specifications such as input voltage range, output frequency range, and overload capacity. This manual is written in Chinese.
| Input voltage range | 380/220V ±15% |
|---|---|
| Input frequency range | 47–63 Hz |
| Output voltage range | 0–rated input voltage |
| Output frequency range | 0–400 Hz |
| Overload capacity | 150 % of rated current for 60 s, 180 % for 10 s |
| Programmable digital inputs | 4 switch inputs, 1 high‑speed pulse input |
| Programmable analog inputs | AI1: 0–10 V, AI2: 0–10 V or 0–20 mA |
Read the safety instructions, disconnect all power before opening the unit, wait at least 10 minutes for DC bus capacitors to discharge, and use proper grounding techniques.
The converter can handle 150 % of its rated current for 60 seconds and 180 % for 10 seconds.
Input voltage is 380/220 V ±15 % and input frequency is 47 Hz to 63 Hz.
The product is covered by an 18‑month free warranty from the date of purchase.