![]() ![]() They say that building your own RPC is not complicated, but balancing it out with Run Capacitors, could be a little tricky. If you are not sure if your equipment will survive the rough power that your DIY unit will produce, it’s better that you go with a solid UL-listed Rotary Phase Converter from a reputable manufacturer. There is a lot of information out there on how to build a Rotary Phase Converter and a reason for its popularity is that in many cases your equipment does not require good quality power. Here (external link) are some wiring diagrams from TEMCo. Here (external link) is their line of Rotary Phase Converters. Here are some diagrams from Steelman Industries (H-A-S) converters: Here are more detailed instructions from this company: ![]() After that, your load should be connected to the second set of output terminals in the distribution block. Idler motor should be connected to the first set of terminals (according to the diagram on it). They are labeled: T1, T2, T3 (see diagram below). The first set is for your idler generator and the second set is for your load. There are two sets of output terminals in the power distribution block. Attach incoming single-phase power to L1 and L2 terminals. Check for the correct wire size by using the chart below. Remove knockouts and attach fittings with connectors. Open the enclosure and remove a backplate. Disconnecting the power before you start working is a must. ** Very Important! Before you get started, check your local electrical codes. The video of the installation in the instruction manual in PDF is also included. ![]() This is how the installation is done for North America (or NAPCco) Phase Converters. Now, let’s look at installation instructions from different manufacturers: North America Phase Converter Co. Rotary Phase Converter installation instructions ** Warning! Working with electricity is dangerous and is not recommended if you are not a qualified licensed electrician. The same goes for the start capacitors, which could be wired in parallel as well. You can add more run capacitors in parallel for bigger units. You may also include run capacitors to balance voltages between the three legs: The starting capacitor needs to be removed from the circuit, once your idler motor-generator gets going. You can start your idler motor with either a “pony” motor (belt-drive arrangement), a start capacitor (electrically), or just by pulling on something to get its shaft spinning, the third leg of power should be generated for your equipment. Here is a quick infographic (or short summary of wiring) for your reference. We have more wiring diagrams in this article: “ Rotary Phase Converter Wiring Diagram “. Connect single-phase power to the terminals marked L1 and L2 through the main disconnect switch or use diagrams for different wiring ideas, like this one: The company that provided you with the motor, should give you the details. Install double pole 220 VAC breakers (for their sizes, refer to the instructions manual). Check if the circuit is disconnected with a multimeter (sorry, but this is important). Here are some general instructions for connecting your Rotary Phase Converter: If you don’t really understand your instructions or need more information on how to connect wires (and you are putting it together yourself), I will include some resources and wiring diagrams in this article.Īlso, video installation instructions are available from some manufacturers of Rotary Phase Converters and they will be included as well. Now that you got your brand new Rotary Phase Converter or have everything ready to build one yourself, you need to know how to connect wires. If you got your RPC from a good reputable company, instructions should be easy to follow (at least they will not be in Chinese). FOR MORE INFORMATION, PLEASE READ MY EARNINGS DISCLAIMER.Įven though wiring a Rotary Phase Converter is a favorite DIY project, I do not recommend doing that if you are just a beginner. THIS POST CONTAINS AFFILIATE LINKS THAT WILL REWARD ME MONETARILY OR OTHERWISE WHEN YOU USE THEM TO MAKE QUALIFYING PURCHASES. DISCLAIMER: AS AN AMAZON ASSOCIATE I EARN FROM QUALIFYING PURCHASES. ![]()
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