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Installer's Guide
HORIZONTAL INSTALLATION
Upflow/ Horizontal
NOTE:
In horizontal venting when the factory supplied "off-
set" (2X3 reducing coupling) is used for 3" vent pipe
installation, make sure the marking "Top" is located on
the top side of the pipe. The straight side must be on
bottom for proper condensate drainage. This coupling
is only factory supplied with all 100,000 BTU upflow
models,
all
120,000
*UH1C080A9601A, and all downflow models.
WHEN THE FACTORY SUPPLIED "OFF-SET" (2X3
REDUCING COUPLING) IS USED FOR 3" VENT PIPE
INSTALLATION, MAKE SURE THE MARKING "TOP" IS
LOCATED ON THE TOP SIDE OF THE PIPE.
LABEL
SAYS
"TOP"
STRAIGHT SIDE MUST BE
ON BOTTOM FOR PROPER
CONDENSATE DRAINAGE.
#
FURNACE
VENT
OUTLET
26
BTU
upflow
models,
@
2" TO 3" COUPLING
#CPL00938
FACTORY SUPPLIED ONLY
WITH THE FOLLOWING
MODELS:
*UH1C080A9601A,
ALL 100,000 BTUH UPFLOW
MODELS, ALL 120,000 BTUH
UPFLOW MODELS, AND ALL
*DH1 DOWNFLOW MODELS
CONDENSATE DRAIN INSTRUCTIONS
VERTICAL APPLICATIONS
▲
CAUTION
!
It is recommended that a drain pan be installed under the
furnace to prevent property damage or personal injury from
leaking condensate.
Upflow furnace - The connection tubing for left and
right side drainage is shipped in the blower compart-
ment. Install the connection tubing from the trap to the
side of the unit and trim all excess tubing to avoid
kinks.
UPFLOW (VERTICAL)
UPFLOW HORIZONTAL 17" UNITS
(Left side only)
Downflow furnace - The furnace is shipped with the
left side drainage setup. To change the right side drain,
remove the drain lines from the trap, rotate the trap
180° so it exits to the right, reconnect the lines, and run
a 1/2" CPVC pipe from the trap out through the right
side knock-out. Use RTV silicone sealant to connect the
CPVC pipe to the trap for ease of removing to clean the
trap.
$
Right side
%
Use Inducer Drain
hose without
extension
18-CD29D1-3
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