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*Minimum dimensions of 3‐in. (76mm)
NOTE: Use any of the following combinations of openings:
A & B, C & D, D & E, F & G
Fig. 6 - - Air for Combustion, Ventilation, and Dilution for
Outdoors
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. 9 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
condensate trap will be initially located at the upper left corner of
the collector box, as received from the factory. See the top image
in Fig. 10.
When the furnace is installed in the downflow
orientation, the condensate trap must be relocated for proper
condensate drainage. See the bottom image in Fig. 10.
* Minimum opening size is 100 sq in. (64516 sq. mm) with
minimum dimensions of 3‐in. (76mm)
{ Minimum of 3‐in. (76mm) when type‐B1 vent is used.
Fig. 7 - - Air for Combustion, Ventilation, and Dilution from
Indoors
12
To Relocate the Condensate Trap:
S Orient the furnace in the downflow position.
S Fig. 10 shows the condensate trap and tubing before and after
relocation. Refer to Fig. 10 to begin the trap conversion.
S Refer to Condensate Drain section for information how to install the
condensate drain.
Condensate Trap - - Horizontal Orientation.
When the furnace is installed in the horizontal right position, the
condensate trap will be initially located at the bottom of the collector
box, as received from the factory. See the top image in Fig. 11.
When the furnace is installed in the horizontal left position, the
condensate trap will be initially located at the top of the collector box,
as received from the factory. See the top image in Fig. 12. In both
cases the trap must be repositioned on the collector box for proper
condensate drainage. See the bottom images in Fig. 11 and 12.
A field- -supplied, accessory Horizontal Installation Kit
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. 8.
NOTE: Trap grommet is required only for direct-vent
applications.
L12F012
The field- -supplied, accessory horizontal drain trap grommet is
ONLY REQUIRED FOR DIRECT VENT APPLICATIONS.
It it NOT required for applications using single- -pipe or
ventilated combustion air venting.
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. per foot (20 mm
per meter) of slope down.
L12F013
Specifications subject to change without notice.
Remove knockout.
Install grommet before
relocating condensate
trap.
Fig. 8 - - Horizontal Drain Trap Grommet
NOTICE
NOTICE
(trap
A11582
440 01 4541 00
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