![Is it ok while vfd output terminal connects with contactor? - Exhibition - Nanjing Aubo Electric Co.,Ltd. Is it ok while vfd output terminal connects with contactor? - Exhibition - Nanjing Aubo Electric Co.,Ltd.](https://www.vfd-softstarter.com/Content/upload/2018241864/201810111441013316150.jpg)
Is it ok while vfd output terminal connects with contactor? - Exhibition - Nanjing Aubo Electric Co.,Ltd.
Is it possible to start 3 pumps with one VFD? when pump 1 is running it should put it over to bypass contactor and then start Pump 2 on VFD and then
Is it possible to start 3 pumps with one VFD? when pump 1 is running it should put it over to bypass contactor and then start Pump 2 on VFD and then
![VFD bypass Star Delta starter control & power wiring | how to read electrical wiring diagram | - YouTube VFD bypass Star Delta starter control & power wiring | how to read electrical wiring diagram | - YouTube](https://i.ytimg.com/vi/GXLg4x-v_-E/maxresdefault.jpg)
VFD bypass Star Delta starter control & power wiring | how to read electrical wiring diagram | - YouTube
![In HVAC VFDs, Is 2-Contactor Bypass Really Better than 3-Contactor Bypass? | 2019-02-20 | Engineered Systems Magazine In HVAC VFDs, Is 2-Contactor Bypass Really Better than 3-Contactor Bypass? | 2019-02-20 | Engineered Systems Magazine](https://www.esmagazine.com/ext/resources/ES/2019/March/VFD.jpg?t=1552492377&width=696)