I think you are right, I am well out of my depth. Thanks very much for all the advice, I can pass it onto the electrician when I finally get round to sorting this out, it's only been 6 years.
Thanks Again.
The lathe originally came from a school, so I am sure it is a UK lathe & was connected to a 415V supply. I haven't changed the wiring so it looks like it is connected in star.
It looks like the images loaded ok so I will upload the wiring diagram from inverter manual, see if it makes sense to...
This is the first time I have tried uploading images, so here goes -
I will also scan in a copy of the terminal block from the inverter instructions if these image links work.
Thanks again for your help
[LINK=http://i231.photobucket.com/albums/ee185/iantp1/motor-con.jpg]/LINK]
I have a Boxford CUD lathe, 3 phase. I have bought an inverter (Kasuga KVFH-200v-0.75Kw). I have been told I need to change over some connections in the motor to change it from star to delta. The motor connections at present are
Terminal A - Red & white cables, Terminal B - Yellow & white...