Outside Breaker Box For Ac Unit

After some investigating you determine that your outside ac unit isn t running but the inside is.

Outside breaker box for ac unit.

Typically this means one of two things. Halex 60 amp 120 240 volt non fuse metallic ac disconnect hnf60r 1 per pack. This box will allow the power to be cut to the condensing unit without entering the residence. According to carrier hvac the box is typically 8 inches wide and 16 inches high.

Remove all power from the circuit breaker that controls the central ac unit. 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. Switch the main breaker to the off position to remove all power to the panel box that holds the ac unit s circuit breaker. This will generally be a two pole or 240 volt alternating current vac circuit breaker.

Note that the color and exact location of the box may vary. Despite hearing the sound of the ac turning on your house is not cooling down as it used to. 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.