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Forum topic by rizay posted 05-17-2010 12:31 AM 751 views 0 times favorited 9 replies Add to Favorites Watch
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rizay

73 posts in 1840 days


05-17-2010 12:31 AM

It has taken me a long time to get all the supplies needed for this task. I got a mini af300 vfd, and an emerson 2 horse motor.
Today I finished running the 220 line to the shop. I wired up the vfd to a plug that will fit my receptacle. Now to wire the motor. . .

I have a question about the motor wiring.

There are 9 wires in the motor.

Numbers 4,5,6 are twisted together.

9 and 3 are twisted together.

5 and 2 are twisted together.

7 and 1 are twisted together.

Looking at this picture from the motor,
Motor wiring

It appears that this is for what they call “Lo Voltage”.

According to the motor plate, this motor will handle 220 or 460. So does that mean the the “Lo” side is for 220?

It appears that I would leave the 4,5,6 wire nutted together.
Then connect the 9&3, 5&2, and 7&1 wires to one of the 3 coming out of my vfd?

If this is not correct, how should this be wired?

-- Come visit me at WoodChux and see my work, get free woodworking plans, and find the lowest priced bottle stopper kits around.


9 replies so far

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MedicKen

1602 posts in 2216 days


#1 posted 05-17-2010 01:10 AM

It will 8 and 2 together not 5 and 2. I am guessing that this is a 3ph motor?

-- My job is to give my kids things to discuss with their therapist....medic20447@gmail.com

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rizay

73 posts in 1840 days


#2 posted 05-17-2010 02:49 AM

Sorry, typo. It is 8 and 2. Yes, it is 3 ph.

-- Come visit me at WoodChux and see my work, get free woodworking plans, and find the lowest priced bottle stopper kits around.

View Michael Murphy's profile

Michael Murphy

448 posts in 1759 days


#3 posted 05-17-2010 03:03 AM

Yes, wire it for the Low voltage. The numbers are kinda blurry in the picture, so just nut them together the way the diagram says for low voltage.

-- Michael Murphy, Woodland, CA.

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a1Jim

112939 posts in 2331 days


#4 posted 05-17-2010 04:51 AM

Sorry not what I’m good at

-- http://artisticwoodstudio.com Custom furniture

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TopamaxSurvivor

15090 posts in 2430 days


#5 posted 05-17-2010 05:16 AM

That’s OK Jim, it is what I’m good at :-)) Now if i can get good at WW ;-)) ??

-- "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View rizay's profile

rizay

73 posts in 1840 days


#6 posted 05-17-2010 11:52 AM

Thanks for the feedback.

I gave the motor and vfd a test run last night. Seems to be working good. I was surprised at the amount of noise the little vfd puts out. The little fan really blows.

I did notice a slight wining noise coming from the motor. It is not very loud, but I am concerned that I might not have something right with it. It increases when I turn up the speed. But even at full speed, it is not very loud.

Any thoughts?

-- Come visit me at WoodChux and see my work, get free woodworking plans, and find the lowest priced bottle stopper kits around.

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TopamaxSurvivor

15090 posts in 2430 days


#7 posted 05-17-2010 08:44 PM

Probably the high switching cycle of the VFD in combination with loosening windings in the motor. Is it a drive rated motor?

-- "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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rizay

73 posts in 1840 days


#8 posted 05-17-2010 09:10 PM

I think it is drive rated. They came as a package??? How can I tell?

-- Come visit me at WoodChux and see my work, get free woodworking plans, and find the lowest priced bottle stopper kits around.

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TopamaxSurvivor

15090 posts in 2430 days


#9 posted 05-18-2010 02:36 AM

It should say on the nameplate.

-- "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

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