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30 CLCH-IM-16A
Discharge Plenum
Discharge plenum sections are available with or
without openings. Sections with openings have a
framed opening that can be used to secure the duct
to the frames. If the duct is lined, it is important that
the insulation does not obstruct the opening of the
section.
Miscellaneous Sections
Miscellaneous sections include access sections, coil
sections, fan sections and intake sections.
If the duct is lined, it is important that the insulation
does not obstruct the opening of the section.
Internal Face and Bypass
Duct connections for internal face and bypass
damper sections are similar to the miscellaneous
sections. Duct work can be attached directly to this
frame.
Drain Pan
Piping
Condensate Drain Pan Connections
CAUTION
Failure to provide adequate con-
densate piping may result in water
damage to the equipment and or
building.
Threaded condensate drain connections are
provided on only one side of the coil section. Pitch
the connection lines horizontal or downward toward
an open drain. Trane recommends installing a plug to
facilitate cleaning of the trap.
IMPORTANT: PROPER TRAPPING OF THE COOLING
COIL CONDENSATE DRAIN LINES IS NECESSARY
FOR PROPER CONDENSATE MANAGEMENT.
IMPROPER TRAPPING CAN RESULT IN STANDING
WATER INSIDE THE UNIT OR WET INTERIOR
SURFACES THAT CAN CAUSE UNPLEASANT ODORS
AND SERIOUS HEALTH-RELATED INDOOR AIR
QUALITY PROBLEMS.
It is essential that the drain pan condensate trap be
deep enough and of the correct design to ensure a
water seal in the trap while allowing the condensate
pan to drain. Insufficient depth or incorrect design
can cause the drain pan to overflow.
NOTES: THE DRAIN CONNECTION SIZE IS 1” NPT
EXTERNAL FOR UNIT SIZES 3 THROUGH 30; 1-1/2
NPT EXTERNAL FOR UNIT SIZES 35, 40, 50; 1-1/4”
INTERNAL THREADS ON SIZES 66, 80, 100.
DRAIN PANS MUST BE PRIMED AT START-UP TO
OPERATE PROPERLY.