ii
CONDENSATE TRAP
Condensate Trap - Upflow Orientation
When the furnace is installed in the upflow position, it is not
necessary to relocate the condensate trap or associated tubing.
Refer to Fig. 8 for upflow condensate trap information. Refer to
Condensate Drain section for information how to install the
condensate drain,
Condensate Trap - Downflow Orientation.
When the furnace is installed in the downflow position, the
factory-installed trap will be located at the upper left corner of the
collector box. When the furnace is installed in the downflow
orientation, the factory-installed trap must be relocated for proper
condensate drainage,
To Relocate the Condensate Trap:
• Orient the fllmace in the downflow position.
• Fig. 9 shows the condensate trap and tubing before and after
relocation, Refer to Fig. 9 to begin the trap conversion,
• Refer to Condensate Drain section for infomaation how to install the
condensate drain,
Condensate Trap - Horizontal Orientation.
When the fl_mace is installed in the horizontal right position, the
factory-installed trap will be located at the bottom of the collector box.
When the fl_mace is installed in the horizontal left position, the
factory-installed trap will be located at the top of the collector box.
The trap must be repositioned on the collector box for proper
condensate drainage.
When the furnace is installed as a direct-vent furnace, a field supplied,
accessory Horizontal Installation Kit (trap grommet) is required for
all direct-vent horizontal installations (only). The kit contains a rubber
casing grommet designed to seal between the furnace casing and the
condensate trap. (See Fig. 16.)
NOTE: The Horizontal Installation Kit (trap grommet) is NOT
required for single-pipe, ventilated combustion air, or other
non-direct vent applications.
NOTE: The condensate trap extends below the side of the casing
in the horizontal position. A minimum of 2 in. (51 mm) of
clearance is required between the casing side and the furnace
platform for the trap to extend out of the casing in the horizontal
position. Allow at least 1/4-in. (6 mm) per foot of slope away from
the furnace in horizontal sections of drain line.
To Relocate the Condensate Trap:
• Remove the knockout in the casing for the condensate trap.
• Install the grommet in the casing when required.
• Orient the fl_mace in the desired position.
• Allow for 2 in. (51 mm) of clearance underneath the fllmace for the
condensate trap and drain line.
• Fig. 10 shows the condensate trap and tubing before and after
relocation in the horizontal right position.
• Fig. 11 shows the condensate trap and tubing before and after
relocation in the horizontal left position.
• Refer to the appropriate figure to begin the trap conversion,
• Refer to Condensate Drain section for infom_ation how to install the
condensate drain,
Condensate Trap
Relief Port
Vent Pipe Clamp
Clamp
Collector Box
Plugs
Vent Elbow
Collector Box
Plug
Condensate Trap
Relief Port
Pressure Switch
Port
UPFLOW TRAP CONFIGURATION
1 & 2 Stage Units
Fig. 8 - Upllow Trap Configuration
(Appearance may vary)
Outlet
Trap
Al1307
12
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