Trane GAF2A0A36S31EE Installer's Manual page 23

STEP 4 - Install a clean-out tee in the primary
drain line for future maintenance. It is recom-
mended that you install a cap on the top of the
tee.
STEP 5 - Insulate the primary drain line to
prevent sweating where dew point temperatures
may be met. (Optional depending on climate
and application needs.)
Provide a means of drainage to prevent winter
freeze-up of condensate line. (Optional depend-
ing on climate and application needs.)
STEP 6 - Support the condensate piping outside
the unit per local codes for proper drainage and
to prevent sagging.
Allow 1/4" of downward slope for each foot of
pipe.
1.5" minimum
clearance is
recommended
from cabinet to
inside edge of
tubing
Condensate
Piping
Supports
1.5" min.
Insulation
Cap
Tee
23