What size breaker do I need for a 24000 BTU mini-split?

A 25 amp circuit breaker is the correct size for a 24,000 BTU mini split. Using a 30-amp breaker is fine too.

Does a Mr Cool mini-split need a neutral wire?





The unit is a straight 240 V load and does not need a neutral. It is common to run 2-conductor plus ground cable.

How do you wire a MrCool mini-split?


Quote from Youtube video: And it's basically a little compression fitting so you run your wires through there. And install it in the knockout hole and then when you tighten the nut it compresses the rubber gasket.

How do you install a mini-split electrical?

Quote from the video:
Quote from Youtube video: Make sure to put your anti short bushing around the wires and push that down into the MC wire so it's protecting the wires from getting cut with that metallic clad.

How many amps does a 24000 BTU Mini Split draw?

It runs on 3,910 watts on 230V and draws 17 amps. EER rating = 12.3. Mr Cool DIY 12k mini split has a cooling capacity of 12,000 BTU (1-ton unit).



Mini Split Amp Draw Chart (For BTUs)

Mini Split BTUs: Estimated Amp Draw:
24,000 BTU Mini Split 9.1 Amps
30,000 BTU Mini Split 11.4 Amps
36,000 BTU Mini Split 13.6 Amps

Can a mini split be plugged into an outlet?





Power requirements



Smaller mini-splits (12,000 Btu or less) can be plugged into a standard 110 volt outlet, but larger units often require a 220 volt outlet. Depending on the size and number of mini-splits you plan to install, modifications to your existing electrical panel and outlets may be necessary.

How do you hook up Mr Cool electrical?

Quote from the video:
Quote from Youtube video: This system and plug it in yourself the the lines. They're pre charged to where you connect them together and then you open them up and it charges the line.

What breaker is required for a mini split?

You need a minimum 25 amp breaker for mini split systems up to 24,000 BTU/2 tons. A 30 amp breaker is sufficient for 36,000 BTU/3 ton systems, and a 50 amp breaker meets requirements for larger units to 60,000 BTU/5 tons. All the details follow.

Does a mini split need its own breaker?

You might be wondering, “Do I really need a disconnect?” All mini split systems require a dedicated circuit to supply power to the system. A disconnect box is required by code to be installed near the outdoor unit and allows for a technician to shut off power to the system when performing any service or repairs.

Does a mini split require a GFCI breaker?



For the 2020 NEC, all outdoor outlets for dwelling units (with exceptions) that are supplied by single-phase branch circuits rated 150 volts to ground or less, 50 amperes or less, will be required to be GFCI protected.

How do you wire a 120V mini split?

Quote from the video:
Quote from Youtube video: I have brought 115 volts in it's no different than any other 110 volt appliance we have line voltage and we have our neutral. Right there. And then going to the indoor unit we have s 1 s 2 and s 3.

How many amps does a 24000 BTU air conditioner use?

MrCool 3.5-ft 24000 BTU/H Mini Split Air Conditioner and Heat Pump, 25 Amp, 1-PH, 230V, White

Discontinued MrCool 3.5-ft 24000 BTU/H Mini Split Air Conditioner and Hea…
Heating Capacity
Highest Decibel Rating
Maximum Amperage 25 Amp
Maximum Voltage 230V

Do split systems need their own circuit?



All air conditioning units no matter the KW’s must be on a dedicated circuit back to the switchboard with its own RCD breaker by law or on a suitable electrical circuit which is protected by an RCD.

Can you plug an air conditioner into a regular outlet?

There is no issue if you plug it in a regular power outlet. However, PACs require more electricity. If you plug it in a regular outlet, you might cause a short circuit in the room.

Can I use a heavy-duty extension cord with an air conditioner?

The FDNY specifically warns against using extension cords or power strips for large electrical appliances like air-conditioners, along with televisions, clothes dryers, refrigerators, and freezers, warning that extension cords are “only for temporary use,” and cannot handle as much current as permanent wiring.

What size breaker do I need for AC?

Bigger 5+ ton units require up to 65A breakers. Most homeowners usually need help with determining the breaker size for 220/240V breakers. For smaller 1-ton (or up to and including 15,000 BTU) AC units, you only need a standard 110/120V circuit with the standard 15 amp breaker.

Can you run an air conditioner on a 15 amp breaker?



You can run your AC on a 15 or 20 amp circuit if it is properly wired and installed following the local electrical code.

What size breaker do I need for a 15 amp air conditioner?

Sizing an air conditioner circuit breaker

Breaker or Fuse (amps) Min. copper wire size (AWG)
15 14
20 12
30 10
40 8

How many amps does a 15000 BTU air conditioner use?

The most common 5,000 to 15,000 BTU ACs use around 5 amps to 13 amps. AC size plays a role, of course, but type makes a difference too.



Air Conditioner Amperage Chart.

Air Conditioner Capacity (BTU) Amps
10,000 BTU 8.70 Amp
12,000 BTU 10.43 Amp
14,000 BTU 12.17 Amp
15,000 BTU 13.04 Amp