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Subject: single phase motor plugging

Date: 05/25/00 at 10:41 AM
Posted by: @utoconstruction
E-mail: autoconstruction@free.fr
Message Posted:

Hi,

I found an industrial fan, a big one for my futur workplace.
I must specify that it is in France.
Apparently, it is possible to connect it as 220 v mono or 380 v tri
I've verified and it is connected for 220 v. Good.
There are one ground wire, one brown wire and TWO black wires.

When I plug the brown wire and one of the black wire, the motor turns in
one sense. The other black wire is NOT plugged anywhere.
When I plug the OTHER black wire, It turns in the OTHER sense.

THE PROBLEM : I have to manually throw the fan to make it turn !!!.
The motor seems to be not strong enough at the start.
Do I connect the motor correctly ?
Is it necessary to plug the other black wire with the brown wire ?

thank.

----
Self-builders on http://autoconstruction.free.fr



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