\u00a9 2023 wikiHow, Inc. All rights reserved. The breaker will need the correct amps the mini split is rated for and will be displayed on the breaker. The General Recommendation Is A 20A Circuit Breaker And 12 Awg (Or Larger Wiring). This allows the heat pump ac system to handle rooms much smaller than 400 sqft without issues, making these 9000 btu units great for bedrooms and even dens. Use a wire nut to cover the neutral and tape it securely. 5 Years warranty on the compressor and 2 years on parts 9000 BTU - 0.75 ton - 220V - 20 Seer Inverter - Wi Fi - 300 SQ FT - $ 430.00 Strip the outer coating off of the last 1-2 feet (30-61 cm) of the end of the cable that will attach to the circuit box, then strip inch (1.3 cm) of insulation off of the ends of each of the wires. How To Wire Up a Mini Split Air Conditioner or Heat Pump. The manual shows for the outside unit 9k & 12K Minimum Cross-Sectional Area of Power and Signal Cables 15 amp 14 AWG. I have wired dedicated lines in my house for the stove, dryer and heater that are all 240v and the house has not burned down in the 12 years I have been living there. If you wish to submit it, click on the submit button.If you wish to make changes, you can either use your browser's "Back" button and return to the original form, or use the form at the bottom of this page. HVAC How-To, Tutorials, Reviews, Information and More, Wiring from Breaker Panel to the Disconnect Box, Sealproof Power Whip Assembly, 1/2-Inch x 6 Ft, Sealproof 1/2-Inch Flexible Nonmetallic Liquid-Tight Electrical Conduit Type B, UL Listed, 1/2 Dia, 25 Feet, Mini split heating and cooling air conditioner heat pump systems, How To Install 3 Ton Goodman Air Conditioner, 1/2-Inch Non-metallic Liquid Tight Straight Electrical Conduit Connector Fitting, Electrical AC Power (Usually labeled L1, L2, and Ground), DC Control Voltage (Usually labeled 1, 2, 3), Match the color of the wires to the labeled numbers. This post is meant to give the basics of wiring up a mini split. Great Unit!!!! wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Wire gauge is how thick the wire is with different sizes for different voltages and amps. You may need to take multiple measurements depending on the layout of your home and the obstacles between the outlet and circuit breaker box. For easier wiring, all the wires are labeled (color and number). Then run the electrical whip from the disconnect to the outdoor unit. A wrap of black electrical tape is fine.It should also be marked at the breaker (and any other boxes it passes through) but that is not as important.Anyone working in the panel will instantly know it is a hot since it will be hooked to the breaker.At the unit this is not as readily apparent. Make sure the breaker is off before you install it. A 110V mini split will typically require a thicker wire due to the lower voltage, while a 220V unit will require a thinner wire to handle the higher voltage. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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