HVAC Procedure and Performance Guide
TASK: Install evaporator condensate drain
STANDARD OF PERFORMANCE
Evaporator condensate drain must be installed according to manufacturer’s specifications and job specifications. Drain must remove all condensate from evaporator and must contain a trap to prevent air leakage into or out of evaporator. It must be pitched to drain and must not leak. Condensate drain must discharge to an open-trap drain or suitable drainage area and must not be connected directly to a closed drain line. Applicable safety procedures must be followed.
- Review manufacturer’s specifications and job specifications.
- Collect tools, equipment and materials.
- Put on safety and protective equipment and apparel.
- Determine size and routing for drain. (Note: Drain may discharge to an open-trap drain (floor drain) or open drainage area. Drain must not connect directly to a closed drain line).
- Determine type of piping and select correct joints.
- Make up drain line suctions, including trap.
- Install drain sections between evaporator pan outlet and drain with trap positioned as closely as possible to evaporator outlet.
- Secure piping.
- Test line for leaks.
- Retighten or remake joints if line leaks.
- Remove safety and protective equipment and apparel.
- Gather tools, equipment and leftover materials, and leave work site clean.