Newbie StyleCNC STM1325-R1 Wiring questions


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Thread: StyleCNC STM1325-R1 Wiring questions

  1. #1
    Member Jmartin2501's Avatar
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    Default StyleCNC STM1325-R1 Wiring questions

    Thank you in advance with all who can help me with my questions.

    I purchased my CNC from StyleCNC some months back, and now that I have it, I of course have many of questions. The main thing right now though, is the wiring. They seem to have labeled the areas on the machine that I need to run wires to, only I do not know which one goes where. My machine came with 2 vacuum pumps (2RB-710-A21) and a dust collector (No# but it is a single phase motor).

    The breakers in the cabinet are LS1D32 32AMP breakers.

    This is where I get lost. All I ever find are videos on 3phase and or just a quick demo by someone showing off the item, but not how it is wired with my particular setup. I am in the USA, so trying to figure out from videos showing very little and or differently wired configuration is making this rather difficult.I do not know where I am supposed to run the wires from what to what. Do the vacuum wires go to the breakers (in the cabinet), or do they go to the slots on the bottom labeled vacuum1/vacuum2 and the wires from the breaker panel (the main power from my workshop) go where? And of course, I do not see any grounding for the 240, so, I guess I would need some sort of bus bar or a screw of some sorts to ground all this.

    I am not sure what wire should go where with anything. Any thoughts and suggestions?

    Similar Threads:
    Attached Thumbnails Attached Thumbnails StyleCNC STM1325-R1 Wiring questions-vacuum_1-jpg   StyleCNC STM1325-R1 Wiring questions-cabinet_1-jpg   StyleCNC STM1325-R1 Wiring questions-dust_1-jpg  


  2. #2
    Community Moderator Jim Dawson's Avatar
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    Default Re: StyleCNC STM1325-R1 Wiring questions

    Yes, you need a ground, and need to run ground wires to each motor. A ground bus bar would be perfect. Or you could use the spare terminals as ground connections, just run a ground wire to the back panel to ground it also.

    The power wires to the motors would be connected to the terminals at the bottom of the cabinet. Not sure what the extra power terminals are for.

    240V from your shop power would be connected to the Main Power terminal at the bottom, L1 (hot 1) to L1 and L2 (hot 2) to N. Standard USA wire colors would be L1 red, L2 black, and Ground green. Chinese wire colors are normally L1 brown, L2 (N) blue, and Ground green/yellow. Your shop neutral would not be connected to anything in this panel.

    Jim Dawson
    Sandy, Oregon, USA


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    Member Jmartin2501's Avatar
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    Default Re: StyleCNC STM1325-R1 Wiring questions

    Thank you so much for the reply.

    I guess I forgot to include the Lathe attachment.

    I for some reason thought each item got it's own 240V breaker, I didn't know the one 240 could run both Vacuums and dust along with the machine. I would assume the Lathe would get its own breaker as that makes more sense now that you explained it to me.
    So now I have to figure out how much draw from the dust/2 vacuums and the machine are so I can figure out what size amp breaker I would need. I see the ones installed in the machine are 30, so maybe start with that?

    So something along the lines what I did in the image?

    Attached Thumbnails Attached Thumbnails StyleCNC STM1325-R1 Wiring questions-cabinet_1-edited-jpg  


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    Community Moderator Jim Dawson's Avatar
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    Default Re: StyleCNC STM1325-R1 Wiring questions

    Depending on the lathe motor power, it looks like a 50 amp supply breaker would be OK. Wired with #6 wire from your shop breaker panel to the machine. Your grounding concept looks good.

    Jim Dawson
    Sandy, Oregon, USA


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    Member Jmartin2501's Avatar
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    Default Re: StyleCNC STM1325-R1 Wiring questions

    Awesome, thank you for all the help, this has been weighing on my mind for days now much to my annoyance of trying to figure it out on my own. When I wire it up, I will come back with the results (with images and such, in cause someone else comes looking for the same information).



  6. #6
    Member Jmartin2501's Avatar
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    Default Re: StyleCNC STM1325-R1 Wiring questions

    If I base this off of the assumption that L1 Brown is hot, and L2 Blue is also hot then I would do nothing with the red and black wires on far right and just put a ground bolt in that hole to the left and ground green there?

    I think I read something about switching wires around to get the fan to go in the right direction.

    Attached Thumbnails Attached Thumbnails StyleCNC STM1325-R1 Wiring questions-inside_vacum-2-jpg  


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    Community Moderator Jim Dawson's Avatar
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    Default Re: StyleCNC STM1325-R1 Wiring questions

    Yes, the ground would connect to the bolt hole on the left.

    The wiring looks correct as it is. But if the motor turns backwards then you may have to do something with the wires on the right hand post. I hope there is a wiring diagram somewhere, this could get complicated without that. That may require swapping a couple of wires, but I have no idea which ones.

    Jim Dawson
    Sandy, Oregon, USA


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