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What size wire for mitsubishi mini split.
In order to size your mini split correctly you will need to know the square footage of the room and check it against our table.
The wire gauge needed will be in the instructions with common sizes for mini split units being 10 12 gauge.
Use a 15a breaker with 14awg wire 3 w g unless you don t need a service outlet at the disconnect the rule for an air conditioner is that you need to use wire that s fat enough to handle the unit s maximum operating current as given by the minimum circuit ampacity and you cannot use a breaker larger than the maximum overcurrent protection device max.
I asked the builder of the house to prewire for the minisplit.
The electrical characteristics for my lg ductless mini split are as follows.
Some small 9k 12k btu systems may require a 110 volt service but most will require 220 volts or more.
Mop 35 amps mca 23 amps cooling rated amps 17 55 heating rated amps 17 55 compressor 17 3 amps fan 0 25 amps.
If you re considering a ductless split system installation you probably have some questions.
While most units will be 10 12 gauge be sure to read the specifications to get the correct size wire.
What size system do i need.
In this installation video i show how to wire in a mini split air conditioner and heat pump system.
Depending on the size and model mini splits have specific power requirements.
I am installing an 18000 btu mitsubishi mini split in the room above my garage.
Since these systems need to be hardwired into the electrical service panel be sure the breaker panel is properly sized and can handle the additional voltage.
Ductless mini split air conditioner help how to size my system.
Wiring a disconnect box to mini split disconnect boxes are simple to wire up with power coming in and going out.
I recently purchased a ductless mini split and am trying figure out the correct breaker and wire size.
Currently i have a 220v 30 amp breaker with 10 awg romex.
Now that the house and the bonus room are complete i checked and the builder only ran a 12 2 wire 2 insulated wires and a bare ground.
The sizing chart below is useful to help you determine your approximate central ductless mini split air conditioner size requirements.
6 000btu 5 ton 12 000btu 1ton.
Each indoor unit will be capable of providing a set number of btu s of cooling and heating power.
