Acds provide a visible disconnecting means when performing maintenance and are commonly referred to as disconnects pullouts or air conditioning switches.
Roof ac disconnect.
An air conditioning disconnect acd provides an installer or repair personnel with a visible disconnecting means while performing maintenance on an air conditioning unit.
The disconnecting means must be within sight of the transformer unless the location of the disconnect is field marked on the transformer and the disconnect is lockable click here to see fig.
Devices are available in fused non fused molded case switch or three phase designs and in metal or plastic enclosures for all application.
Nec 440 13 disconnect for room air conditioners or heat pumps paraphrasing.
The air conditioner or heat pump unit disconnect must be within sight from and readily accessible from the unit.
Each place is slighty diffrent so it will varies a bit but really most common is 36 hight and useally from 12 to 18 inch away from the unit unless have multi units then i group the disconnect switch if in line of sight other wise spec ed.
Eaton offers the industry s most complete line of acds.
The disconnecting means shall be permitted to be installed on or within the air conditioning or refrigerating equipment.
The hight of the disconnection switch is no higher than the a c unit typically 36 inch up from roof line.
There are 3 standard designs non fused fused and a molded case switch.
Ac disconnects act as safety switches that disconnect the load from the power sources.