First time build - Steel Frame CNC Router

[JAZZCNC]

Thanks for all the help guys, this makes things so much more clear! If I understand this right, would using terminals KA & KB on the VFD have the same result? And if I used FB & FC, the same could be done for 250VAC? Sorry if its a daft question as i'm clueless when it comes to electronics!!

While the manual mentions KA & KB I think you'll find there isn't any terminals with those markings. Well not on any I've fitted anyways.

The manual is confusing and I think wrong. On most I've fitted FB is Common and FA =NO with FC=NC manual shows it other way round I think.
The 3A/240Vac 3A/30Vdc are the ratings of both contacts and not for one set like what manual leads you to think.

Just wire it like shown and it will work.