Air Conditioner Fuse Box Outside
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.
Air conditioner fuse box outside. A capacitor may be used to start the fan and keep it running as in a start run capacitor. An ac disconnect box can either be a pull out or an enclosed molded case. I mounted this unit on an outdoor wall and was simple to install. You may hear a slight humming but that s all.
It contains the controls for the main energy supplier of the air conditioner like the breakers and fuses. According to carrier hvac the box is typically 8 inches wide and 16 inches high. Your main electrical panel on old homes this is a fuse box while newer homes have a circuit panel. There are two methods to reset an air conditioner.
Locate the grey power box mounted near the outside air conditioning unit. 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. To examine your fuses look for a switch near the compressor of your unit.
Usually ac disconnects are found outside with the end of the ac showing inside the house. Note that the color and exact location of the box may vary. This single phase disconnect is ansi certified and ul listed with a maximum load of 240 volt. 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.
Capacitors store up the energy that powers the air conditioner s fans. This is because the ac needs to expel hot air. At the shutoff box near the ac some models of air conditioners have a fuse at the shutoff box. If it s a fuse.
I wanted a circuit breaker box for this application not just a disconnect switch box with fuses. How to check if your a c fuses are blown. A fuse is a metal filament or wire usually in some type of casing. Before you open the compartment turn off the electricity source of your entire air conditioning unit.
It s located in the disconnect box connected to your ac. When an outside fan fails the most likely cause is a capacitor issue. It is there to protect your machine to avoid more serious problems. 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.
It also protects the wires of the air conditioner from weather and other outdoor elements. Ac disconnect has a nema 3r rated steel enclosure that is both rust and corrosion resistant for outdoor use. Purchased to connect power to a ductless air conditioner. Although this box is rated for 60 amp i am only using it with a 20 amp circuit breaker.
Some units also have dual capacitors that power you air conditioner s fans as well as your compressor.