Mini-split wires are used to connect the outdoor compressor unit with the indoor evaporator unit, delivering electricity and control signals.Ī 14/4 stranded cable provides two 14-gauge conductor wires for power, one communication wire and one ground wire. What size wire do I need for a mini split?įor most ductless mini-splits, the right wire is a 14/4 stranded conductor cable. NOTE: These instructions are in regards to electrical specifications only, and do not include line set installation or refrigerant set-up.īefore we take you through the steps on wiring a mini split system, we’re going to clarify some common questions about your mini split wiring.ġ. Here, we offer a step-by-step guide to everything you need to know about the electrical specifications for installing ductless mini splits. Unless you are an advanced DIYer with extensive experience in electrical work, we strongly advise you to hire a professional to get the job done.īut even professionals have to learn the ropes, and so if you are an electrician who simply has not undertaken a mini split installation project before, this post is for you.
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For that reason, we do not recommend homeowners try to install the unit themselves. Installing ductless mini splits requires a high level of electrical knowledge for the job to be done safely and without harm to yourself or the unit. We sell tons of mini split air conditioners each day on our website, and, on our blog, have previously written about all the benefits of and features to consider when purchasing a mini-split AC of your own. LG LS120HEV2 12000 BTU Mega Series Single Zone System with Heat Pumpĭuctless mini splits are one of the most popular AC choices for homeowners and businesses alike.
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