Air Conditioner Fuse Box Outside
An ac disconnect box can either be a pull out or an enclosed molded case.
Air conditioner fuse box outside. Note that the color and exact location of the box may vary. There are two methods to reset an air conditioner. Locate the grey power box mounted near the outside air conditioning unit. Ac disconnect has a nema 3r rated steel enclosure that is both rust and corrosion resistant for outdoor use.
If you do not have a reset switch you can turn off your air conditioner at the thermostat and wait for 5 minutes before turning it back on. It also protects the wires of the air conditioner from weather and other outdoor elements. A capacitor may be used to start the fan and keep it running as in a start run capacitor. It s located in the disconnect box connected to your ac.
The best way to check the fuse is by using a voltmeter. This safety switch is intended to disconnect power from an air conditioning unit and uses lug wire range awg 14 3 copper aluminum. If you suspect your fuses may be blown the first thing you ll notice is that the a c unit outside is not doing anything. I wanted a circuit breaker box for this application not just a disconnect switch box with fuses.
When an outside fan fails the most likely cause is a capacitor issue. To examine your fuses look for a switch near the compressor of your unit. I mounted this unit on an outdoor wall and was simple to install. Step 1 know your air conditioner before you take your air conditioning unit apart it is imperative that you know what kind of fuse you will be replacing.
At the shutoff box near the ac some models of air conditioners have a fuse at the shutoff box. If you re lucky enough to have a unit with a reset switch located near the outside unit all you need to do is simply press the switch. This did the trick and works great. Usually ac disconnects are found outside with the end of the ac showing inside the house.
Although this box is rated for 60 amp i am only using it with a 20 amp circuit breaker. You may hear a slight humming but that s all. A fuse is a metal filament or wire usually in some type of casing. Your main electrical panel on old homes this is a fuse box while newer homes have a circuit panel.
Capacitors store up the energy that powers the air conditioner s fans. This is because the ac needs to expel hot air. This single phase disconnect is ansi certified and ul listed with a maximum load of 240 volt. How to check if your a c fuses are blown.
Some units also have dual capacitors that power you air conditioner s fans as well as your compressor. If it s a fuse. Purchased to connect power to a ductless air conditioner. Try replacing this fuse.
Before you open the compartment turn off the electricity source of your entire air conditioning unit.