1. AC piping. Flashcards
- How may condencate from AC unit drain?
Indirect wast connected to lavatory tailpiece or tub overflow by IRC.
- Auxiliary and secondary drain systems for condensate disposal.
Where damage to any building components could occur as a result from overflow from the equipment primary condensate removal system, one of the following auxiliary protection methods shall be provided for each cooling coil or fuel-fired appliance that produces condensate:
1. An auxiliary drain pan with a separate drain shall be provided under the coils on which condensation will occur. The auxiliary pan drain shall discharge to a conspicuous point of disposal to alert occupants in the event of stoppage of the primary drain. The pan shall have a minimum depth of 1-1/2 inches, shall not be less than 3 inches larger constructed of corrosion-resistant material. Galvanic sheet metal pans shall have a minimum thickness of not less than 0.0236-inch (#24 gauge) galvanized sheet metal. Nonmetalic pans shall have a minimum thickness of not less than 0.0625inch (1/16”).
