This manual is a user manual for the E520 series inverter specifically designed for injection molding machines produced by Shenzhen Sunfast Electric Technologies Co., Ltd. The manual covers installation, wiring, functional parameters, daily maintenance, and fault diagnosis of the inverter.
This manual provides detailed instructions for installing and wiring the Sunfast E520 series inverter, which is designed specifically for injection molding machines. It includes safety precautions, mechanical dimensions, and wiring diagrams for both power and control circuits.
Operational guidance covers panel functions, parameter settings, fault diagnosis, and routine maintenance. Example applications show how to configure the inverter for proportional flow‑valve control signals. This manual is written in Chinese.
| Rated voltage | 380 V, 50/60 Hz (three‑phase) |
|---|---|
| Input voltage range | 320 V ~ 460 V |
| Output overload capacity | 170 % for 1 min, 200 % for 1 s |
| Control method | V/F control |
| Frequency resolution (digital) | 0.01 Hz |
Set the following parameters: [F0.0]=1, [F0.1]=1, [F3.19]=0, [F3.5]=1.00, and configure the input channel as the dedicated injection‑machine channel.
The E520‑4T0220 model is rated at 29.6 kVA, 45 A output current, and matches a motor power of 22 kW.