19
Accessories
The components in Figures 17 - 19 are included in
the extra parts bag supplied with the purchase of *TC/
*TLfurnaces. Depending on your particular installation,
some of these components are optional and may not be
used. Please refer to the descriptions and accompanying
fi gures when installing these items.
Finish Flange (Fig. 17)
The fi nish fl ange must be installed to vent the combustion
air pipe through the top of the furnace.
NOTE:
For proper
installation it is important that the pipe and screw holes in
the fi nish fl ange, gasket, and cabinet are aligned.
1. Position fl ange gasket over hole in the furnace
cabinet.
2. Position fi nish fl ange on top of the fl ange gasket.
3. Secure
fl ange and gasket to cabinet with three fi eld
supplied sheet metal screws.
Rubber Grommets (Fig. 18)
The 2 1/4” rubber grommet is used to seal the opening
between the furnace cabinet and the 2” PVC vent pipe.
The rubber grommet should be installed in the 3” hole
prior to running the vent pipe out of cabinet. No sealants
are required.
The 7/8” rubber grommet is used to seal the opening
between the furnace cabinet and the gas pipe. The
Ø 3/4” Rubber
Grommet
ø 2 1/4” Rubber
Grommet
ø 7/8” Rubber
Grommet
Figure 18. Rubber Grommets
Figure 17. Finish Flanges
Inlet Air
Finish Flange
Flange Gasket
rubber grommet should be installed in the 1 5/8” hole
prior to running the gas pipe into the cabinet. No sealants
are required.
The 3/4” rubber grommet is used if venting out the left
side of the cabinet and the drain tube is routed through
the blower deck. Remove the plastic plug from the hole
and install the grommet before routing the drain tube.
PVC TEE, Reducer, and Hose Barbs (Fig. 19)
IMPORTANT NOTES:
Before permanently installing these components,
it is recommended you dry-fi t them fi rst to ensure
proper fi t and alignment with other vent pipes.
The PVC items shown in Figure 19 (page 20) are not
supplied with *TL furnaces.
The 2” PVC tee, reducer, and hose barb are used when
the inducer is rotated to vent out thru the left or right side
of the furnace cabinet.
The 1/2” x 3/4” hose barb can be used to route the
condensate drain to the outside of the cabinet. It must
be installed from inside the cabinet with the threaded
end inserted thru the 1 1/16” hole. See Figure 28
6. Secure the inducer assembly (2) to the header box (6)
by reinstalling the four screws (5) and the extra screw
provided in the parts package.
7. Remove the cabinet plug (7) from side of furnace and
reinstall in hole on opposite side of cabinet.
8. If applicable, install condensate drain on the in-line
drain assembly. See Figures 37-39 (pages 48 - 50).
9. Reconnect the electrical harness (1) to the inducer
assembly (2).
10. Reconnect the inducer assembly ground wire (3) to
the blower deck (4) or door.
11. Verify proper operation as detailed on the furnace
label.
2” PVC TEE
2” x 1/2” PVC
Reducer
1/2” x 1/2”
Hose Barb
1/2” x 3/4”
Hose Barb
2” PVC Pipe from
Inline Drain Assembly
(Not Included)
Figure 19. PVC Tee (2”), Reducer and Hose Barb