Specifications

Figure56 _Horizontal Right Vent Configuration
_==_ ALTERNATE
COMBUSTION
CONNECTmONS
HORIZONTAL RIGHT, VERTICAL VENT
Representative drawing Ol]ly, some models may vary in appearance
Al1337
HORIZONTAL RIGHT, LEFT VENT
Representative drawing only, some mode_s may vary in appearance
ALTERNATE
COMBUSTION
AIR
Al1336
HORIZONTAL RIGHT, RIGHT VENT Al1335
Representative drawing only, some mode_s may vary in appearance
Installing the Vent Pipe Adapter and
Combustion Air Pipe Adapter
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury or
death.
To route the vent pipe and combustion air pipe through the
furnace, the manufacturer supplied kit must be used. Failure
to properly seal the blower compartment from the furnace
vestibule could result in the circulation of carbon monoxide
throughout the structure. The vent pipe and combustion air
pipe must be a continuous pipe while passing through the
blower compartment. Seals supplied in this kit must be
installed per the instructions provided. Follow all procedures
outlined in these instructions.
NOTE: The rubber coupling that attaches to the vent pipe
adapter must be used. The adapter seals the vent pipe to the
casing and reduces the strain on the vent elbow attached to the
inducer.
1. Apply the gaskets to the vent pipe and combustion air
pipe adapters. See Figure 46.
NOTE: The vent pipe adapter and combustion air pipe adapter
have the same ID, however, the combustion air pipe adapter
has a pipe stop at the end.
2. Align the screw holes in the plastic vent pipe adapter with
the dimples in the casing.
3. Pilot drill the screw holes for the adapter in the casing
and attach the vent pipe adapter to the furnace with
sheet metal screws
4. Slide the end of the rubber vent coupling with notches in
it over the standoffs on the vent pipe adapter.
5. Insert a length of vent pipe through the coupling into the
outlet of the vent elbow.
6. Tighten the clamp around the outlet of the vent elbow.
Torque the clamp to 15 Ib-in.
Install the remaining vent and combustion air pipes as shown
below. It is recommended that all pipes be cut, prepared, and
preassembled before permanently cementing any joint.
1. Working from furnace to outside, cut pipe to required
length(s).
2. Deburr inside and outside of pipe.
3. Chamfer outside edge of pipe for better distribution of
primer and cement.
4. Clean and dry all surfaces to be joined.
5. Check dry fit of pipe and mark insertion depth on pipe.
6. Insert the vent pipe into the vent elbow.
7. Torque clamp on vent elbow 15 Ib-in.
8. Torque clamp on vent coupling 15 Ib-in.
9. Insert the combustion air pipe into the adapter.
10. Pilot drill a screw hole through the adapter into the
combustion air pipe and secure the pipe to the adapter
with sheet metal screws.
11. Seal around the combustion air pipe with silicone or foil
tape.
12. After pipes have been cut and preassembled, apply
generous layer of cement primer to pipe fitting socket
and end of pipe to insertion mark. Quickly apply
approved cement to end of pipe and fitting socket (over
primer). Apply cement in a light, uniform coat on inside of
socket to prevent buildup of excess cement. Apply
second coat.
440 01 4201 01 Specificati ..... bject to change without notice. 41