The air handler in the attic main condensation drain line was connected and also the auxiliary drain line.
Auxiliary ac condensate drain instruction in attic installs.
Check your ac unit in the attic.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
An auxiliary drain pan with a separate drain shall be installed under the coils on which condensation will occur.
Drip pans also called condensate pans are placed under the air conditioner coils to catch any condensation that forms.
Air conditioning condensate waste pipes shall connect indirectly to the drainage system through an airgap or airbreak to.
A primary pan that is installed on the coil and an auxiliary pan that is either installed inside the unit below the primary pan or under the unit.
However there was no drain pan installed.
Most but not all ac units will have an easy to locate access point to the drain line.
So why put an hvac system up in the attic at all.
Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
When a drain line is pvc the imc dictates that it should be supported every 4 when horizontal while maintaining proper pitch and every 10 vertically.
Tankless water heater condensation drain connected to ac condensation drain.
Well mainly it s a way to save space.
An auxiliary drain pan with separate drain.
Attic hvac systems save space.
An auxiliary drain pan with a separate drain to a conspicuous location.
Imc 307 2 5 states that the condensate assembly must be installed in such a way that the drain line can be cleared of blockages and maintained without cutting the drain.
815 3 1 a properly trapped receptor.
Is a drain pan still required eve if there is an auxiliary drain line.
815 3 point of discharge.
Plastic with a separate drain installed under.
Find the condensate drain line and drain line access point.
For the attic air conditioner drip pan installation a missing trap on the primary ac condensate discharge pipe compromises system s efficiency.
An ac unit will produce condensate all the time not just when its over a certain temp outside.
The primary ac condensate drain is normally drained to either the main house drain or to the outside via a pvc pipe about the same size as the on draining into the garage.
A central air conditioner condensate trap purpose is to prevent air from being discharged from or sucked back into the a coil compartment or air handler during system operation.
The auxiliary pan drain shall discharge to a conspicuous point of disposal to alert occupants in the event of stoppage of the primary drain.