Ac Condensate Drain Line Diagram

One is the primary condensate line that is generally connected to a location like a tail piece of a bathroom sink drain piece.

Ac condensate drain line diagram.

Typically those 3 4 pipes are plumbed into a bathroom sink s drain that is on average 1 1 4 or 1 1 2 in diameter. Plumbing code citation for installation of air conditioning condensate drain piping. Condensate switches imc 307 2 3 states that all hvac equipment that produces condensate must have either a secondary drain line or a condensate overflow switch a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks. At split system air conditioners heat pumps.

General one primary function of the air conditioning system is to dehumidify the air by removing water as it passes through the air handler. In new homes city codes require drain lines from the air conditioner s condensate line which are often located in the attic to tie in or be plumbed to the home s plumbing system. Carson dunlop associates sketches left illustrate both acceptable and not recommended locations for the discharge of an air conditioner or heat pump condensate drain line discharge. That white line is the condensate drain headed from the wall mounted unit not shown to outdoors.

The photo showing flexible air conditioner condensate piping is explained. The secondary line is considered a backup line so that if the primary line gets clogged the condensate water will then go through the secondary line. Collected in a drain pan below the cooling coil as illustrated in figure 1 the water must be removed to prevent damage and contamination to the air handler system and building draining water from a condensate drain pan is not a simple process.