Locate the grey power box mounted near the outside air conditioning unit.
Outside breaker box for ac unit.
An outside condensing unit for a central air conditioning system building codes normally require that an external disconnect box be installed near the condensing unit located outside of the house.
Your outside ac hums but the fan doesn t spin or the entire outside ac unit isn t working at all.
Halex 60 amp 120 240 volt non fuse metallic ac disconnect hnf60r 1 per pack.
After some investigating you determine that your outside ac unit isn t running but the inside is.
Also if you re relying on a crankcase heater to warm up the unit enough to not cause damage when it s cool outside the power should be restored to the air conditioner 72 hours before running it.
According to carrier hvac the box is typically 8 inches wide and 16 inches high.
Despite hearing the sound of the ac turning on your house is not cooling down as it used to.
Installing one of these boxes is not difficult.
Typically this means one of two things.
This box will allow the power to be cut to the condensing unit without entering the residence.
Note that the color and exact location of the box may vary.