Check your ac unit in the attic.
Auxiliary ac condensate drain instruction in attic installs.
Plastic with a separate drain installed under.
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.
Well mainly it s a way to save space.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
So why put an hvac system up in the attic at all.
Attic hvac systems save space.
An auxiliary drain pan with separate drain.
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.
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.
An auxiliary drain pan with a separate drain shall be installed under the coils on which condensation will occur.
Find the condensate drain line and drain line access point.
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.
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.
This drain plays an important role in removing any condensation that your air conditioner s evaporator coil may produce.
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.
There are two types of drain pans.
Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit.
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.
For the attic air conditioner drip pan installation a missing trap on the primary ac condensate discharge pipe compromises system s efficiency.
An auxiliary drain pan with a separate drain to a conspicuous location.