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StanoSitar 15/04/2022
Package arrived quickly. The VFD is packaged very well in foam. I have connected it to 230V and connected a 3 phase motor. It runs Out-Of-Box, no setup necessary. I haven't confirmed yet it is really 4kW. Normally with fancy industrial VFDs you have to have the motor connected (often with correct parameters set), otherwise the VFD will not start. This one happily starts regardless of what you have connected to it - a very interesting feature from my point of view. I plan to connect a machine with several motors to it as if the VFD was a normal 3-phase outlet. That wouldn't be possible with more sophisticated drives. When you switch it on it ramps up slowly to 50Hz, it takes about 15 seconds. When you switch it off or when you change the frequency using potentiometer it also ramps slowly. I tried to change some parameters to change the speed of ramp, but I did not find the right parameter yet. Normally with a fancy VFD you get several hundred pages of documentation describing installation, programming and parameters in great detail. With this VFD you get ONE two-sided A3 sheet with the manual. The same content you can download from BangGood where they sell this VFD. Fortunatelly, for vast majority of customers this will run out-of box without the need to connect external potentiometer or a reversing switch or setting parameters like I had to do with expensive industrial unit I bought second-hand in the past. Please note that you might have to rewire 380V motor from star to delta to utilise it to the full power. This is usually trivial to do in the box where you connect cable to motor.
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StanoSitar 15/11/2019
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