Well mainly it s a way to save space.
Auxiliary ac condensate drain instruction in attic installs.
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.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Find the condensate drain line and drain line access point.
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.
An auxiliary condensate drain pan at least 1 5 deep and at least 3 larger than the length width of the appliance beneath which it is placed using corrosion resistant material of adequate thickness 0 7mm galvanized metal or 1 6mm non metallic e g.
So why put an hvac system up in the attic at all.
If discharged into the drainage system equipment shall drain by means of an indirect waste pipe.
The auxiliary pan drain shall discharge to a conspicuous point of disposal to alert occupants in the event of stoppage of the primary drain.
An ac unit will produce condensate all the time not just when its over a certain temp outside.
Drip pans also called condensate pans are placed under the air conditioner coils to catch any condensation that forms.
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.
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.
The air handler in the attic main condensation drain line was connected and also the auxiliary drain line.
An auxiliary drain pan with a separate drain to a conspicuous location.
An auxiliary drain pan with separate drain.
Air conditioning condensate waste pipes shall connect indirectly to the drainage system through an airgap or airbreak to.
Tankless water heater condensation drain connected to ac condensation drain.
Plastic with a separate drain installed under.
An auxiliary drain pan with a separate drain shall be installed under the coils on which condensation will occur.
815 3 point of discharge.
For the attic air conditioner drip pan installation a missing trap on the primary ac condensate discharge pipe compromises system s efficiency.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit.
Attic hvac systems save space.
Most but not all ac units will have an easy to locate access point to the drain line.
Is a drain pan still required eve if there is an auxiliary drain line.
However there was no drain pan installed.
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.
