I am not an electrician. I haven't a clue what I am doing. You should NOT follow my example. You could kill yourself or fry your digits. You have been warned.
(Wayne Coe, in your
opinion, was that a good enough warning?)
I'll look it up and insert it. Anyway, this is a VFD controller in a NEMA 4 environment case. NEMA 4 class means dust and and splashing water. It is not waterproof. Here it is mounted to the upright on the base plate.
I bought it here:
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[/FONT]
[FONT="]Product Code[/FONT]
[FONT="]Product[/FONT]
[FONT="]Unit Price[/FONT]
[FONT="]Tax[/FONT]
[FONT="]Quantity[/FONT]
[FONT="]Total[/FONT]
[FONT="]KBAC-27D (Gray)[/FONT]
[FONT="]9520 - KBAC-27D Gray Inverter[/FONT]
[FONT="]$340.01[/FONT]
[FONT="]$0.00[/FONT]
[FONT="]1[/FONT]
[FONT="]$340.01[/FONT]
Back view. The mounting tabs match the holes in the upright perfectly. Dave nailed this one.
The leads enter/exit at the bottom center. I have a soft rubber plug for the center hole I will cut to fit around the power and motor wires. It is a standard knock out hole size. I think I will get some knock out wire clamps. They don't seem to be included here. I'll have to install those and seal the hole up with something. Probably a light gob of silicon.
I bought the motor from Electric Motor Warehouse..
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[FONT="]110918[/FONT]
[FONT="]1 1/2hp 1725RPM 56C Frame with base three phase TEFC Leeson Motor[/FONT]
[FONT="]$249.60[/FONT]
[FONT="]$249.60[/FONT]
[FONT="]Cart Subtotal:[/FONT]
[FONT="]$249.60[/FONT]
[FONT="]UPS/Purolator[/FONT]
[FONT="]$20.46[/FONT]
The motor, 1.5hp, 3phase, 220/440volt, 1740RPM motor.
Open the wire box on the motor and find any where from 7 to 12 wires depending on your motor type. This one has 9. They are labeled T1 through T9. Yours may say P1 or L1. There is no standard here.
Using wire nuts, it is common to have a few wires just connected to each other and nothing else. In this case we have 3 wires connected together and they just get tucked back into the box. Then we will connect the other wires as the diagram shows. We will have 3 leads coming into the motor. See the motor plate. These are called L1, L2 and L3. I will connect a couple wires from the motor to the VFD following the diagram. In most cases, you don't have to worry about L1 going to a specific terminal in the VFD. This is 3 phase and it will use each leg equally. Don't forget there is a ground wire so you will have 4 wires from the VFD to the motor.
The VFD manual shows how to wire to the motor and to the power. Many (most?) VFD's will accept either 1 or 3phase input and voltage from 110 to 440v depending on the model. I will be feed it single phase 220v. The diagram shows how to wire it for 3phase and single phase. This is very common. Note the Ground lead. Don't even think of using this with out wiring the ground. Seriously. In my case, and probably yours, this is either a 30amp or 50amp power source. It only takes 10amps to kill you dead.
That's as far as I can go tonight since my wife has so thoughtfully saved the 4 lead cable I bought somewhere that no one, including me can find. I'll find that and get back to this.