[onecut]

I got a Haunyang VFD 2.2kw water cooled spindle Kit with 220vac water pump, off EBay.
The pump came with a 2 prong plug, which is to my understanding is 220vac on one prong and ground on the other prong.
I think the type of plug is for UK power, 220vac one line. Can anyone comment on this type of plug and power?

I'm also concerned about the VFD it self, if the pump is UK is the VFD require the same UK power or can I hook 2- 120 lines to make it 220vac, UK power is 1 line 220.
Can anyone tell me the correct power that I can supply to the VFD.
I have pics of what I have.
Thanks

Attachment 377316Attachment 377320
Attachment 377318Attachment 377322

[ger21]

Connect your two lines to the R and T terminals on the VFD.
My VFD is the same model number, and that's how I was instructed to wire mine.

[Al_The_Man]

The UK 230 is effectively identical in operation to N.A. 240v.
Al.

[nikdan]

The pump is not grounded.
2 prongs means one is 'Line', one is 'Neutral'.
You would need a third 'prong' for it to be grounded.

[onecut]

Thanks all, so I can hook it all up except the pump. I'll just have to get another pump, like a 120v pump or maybe 12vdc.

Thanks again and thanks CNCzone best forum ever.

[Al_The_Man]

Why not use the same 240v to feed the pump?
Al.

[onecut]

Why not use the same 240v to feed the pump?
Al.

Al, I can still use the pump with 2- 120v lines? Would you please tell me how, I'm not sure about that?
I rather use the pump.

[Al_The_Man]

The two 120v conductors (L1 L2) are equivalent to the single phase 230v.
Just ignore the neutral.
It is best to feed the VFD and the pump with their own separate fusing if possible.
If the pump has a metalic case, connect the earth ground to the frame.
Are you using a dedicated 240v supply or outlet?
Al.

[onecut]

So I can cut the plug off the end of the pump cord and hook each wire to 120v.
The pump case is plastic.
I was planning to run 220v line to the VFD box from the main panel box of the shop.

[Al_The_Man]

You service has a 120v-0-120v supply, you only use the two 120v conductors (240v).
You could either install a small disconnect box to cover both VFD and pump, or a separate 15a 240v outlet, with the correct outlet style and come from a 15a breaker from the shop panel.
Any or any fuses or breakers have to be double pole.
Al.

[onecut]

The main panel in the shop is really the subpanel from the main panel at the poll.
I was planning to run 220v line to the VFD box from the subpanel box in the shop

[Al_The_Man]

What spare positions does the sub-panel have?
Al.

[onecut]

Al,
The small disconnect box is just a box with 2 - double pole breakers, one for the pump would be 15a and the other one for VFD not sure about.

Also on the VFD should only be wired using L1 L2 and ground and not neutral correct?

[onecut]

I have 4 slots 2 on each side at the bottom of the panel

[Al_The_Man]

So you should be OK for each.
The ideal thing is to have one central enclosure to feed everything on the machine, this way any E-stop can control all motors, You would bring in a suitable cable which would go through a disconnect then to all fusing for each section.
You can feed the system from different sources such as a separate outlet for the pump, VFD source etc, and although up to code, it is not the ideal.
Al.

[onecut]

Ok, I will bring one cable to one central enclosure to feed everything on the machine. I thought the VFD had to be separate.

Thanks Al.

[mactec54]

Al,
The small disconnect box is just a box with 2 - double pole breakers, one for the pump would be 15a and the other one for VFD not sure about.

Also on the VFD should only be wired using L1 L2 and ground and not neutral correct?

Yes correct L1 L2 and Ground for the VFD input Power connected to L1 to R and L2 to T and Ground to the VFD Ground terminal, Breaker size no less then 25A

[mactec54]

Ok, I will bring one cable to one central enclosure to feed everything on the machine. I thought the VFD had to be separate.

Thanks Al.

Yes one cable to supply everything for your machine, so you will have a 4 wire cable from your supply to your machine, this will be 2 Hot a Neutral and a Ground wire this will give you a 240v single phase supply and a 120v single phase supply

So for your pump added to this same supply go with a 30A main breaker, and where you connect in you cabinet you would use a fuse or a breaker for each item connected

[Al_The_Man]

Ok, I will bring one cable to one central enclosure to feed everything on the machine. I thought the VFD had to be separate.

Thanks Al.

What I like to do to keep it neat is use modular fuse holders (AutomationDirect sell them) bring in the power to the highest current device first and loop across the top for fuses of decreasing current.
Fusing both L1 and L2 lines, the neutral is unfused.
If more than one 120v circuit, balance them across L1 & L2.
Al.

[onecut]

Thanks everyone, I'm on the right track now. I couldn't do it without you guys. Thanks

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