Condensate Drain Instructions - Trane AUH1B040A9H21B Installation Manual

CONDENSATE DRAIN INSTRUCTIONS

L !
IT IS RECOMMENDED THAT A DRAIN PAN BE INSTALLED
UNDER THE FURNACE TO PREVENT PROPERTY DAMAGE,
PERSONAL INJURY OR DEATH FROM LEAKING CONDEN-
SATE.
VERTICAL APPLICATIONS
Upflow furnace - The connection tubing for left and right
side drainage is shipped in the blower compartment. In-
stall the connection tubing from the trap to the side of the
unit and trim all excess tubing to avoid kinks. See Fig-
ures 40 and 42.
/
UPFLOW (VERTICAL)
UPFLOW HORIZONTAL
17" UNITS
(Left side only)
18-CD33D1-4
CAUTION
Right side
Use Inducer Drain
hose without
extension
Downflow furnace - Use RTV silicon sealant to connect
the fitting to the trap for ease of removal when cleaning
the trap.
For left side drain a 1/2" slip PVC fitting is needed. See
Figure 44.
To change to a right side drain, remove the drain
lines from the trap, rotate the trap 180° so it exits to
the right, then reconnect the lines.
90° CPVC street elbow connected to the trap us-
ing RTV silicon sealant.
CPVC elbow.
out through the right side knock-out.
HORIZONTAL APPLICATIONS
Upflow and Downflow furnaces - All horizontal applications
are left side only. It is always recommended that the auxiliary
drain pan be installed under a horizontally installed evapo-
rator and/or 90% gas furnace. Connect the auxiliary drain
@
Left side
UPFLOW (VERTICAL)
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UPFLOW HORIZONTAL 21" & 24" UNITS
Installer's Guide
Start with a 1/2"
Run 1/2" CPVC pipe to a
Run 1/2" CPVC pipe from the elbow
See Figure 45.
(Left side only)
#
Use exten-
sion hose
here
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