International comfort products N92ESN Installation Instructions Manual page 48

WARNING
!
CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury
or death.
DO NOT use cement to join polypropylene venting systems.
Follow the polypropylene venting system manufacturer's
instructions for installing polypropylene venting systems.
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. If supplied, remove and discard round center
"slug" from interior of gasket. See Fig. 43.
Attach gaskets to vent pipe and
combustion air adapters.
48
Fig. 43 - - Vent Coupling and Adapter with Gaskets
TABS ON THE INDUCER OUTLET RESTRICTOR SNAP
INTO THE SLOTS AT THE OUTLET OF THE INDUCER
SEE MAXIMUM EQUIVALENT VENT LENGTH TABLE
(10FT. (3.1 M) OF VENT OR LESS ONLY)
Fig. 44 - - Inducer Vent Elbow
Specifications subject to change without notice.
NOTE: The vent pipe adapter can be distinguished from the inlet
pipe adapter by the absence of an internal pipe- -stopping ring. The
vent pipe can pass through the vent pipe adapter; it cannot pass
through the inlet pipe adapter.
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 lb- -in.
Vent Coupling and Adapter
FOR USAGE:
A13074
A170006
440 01 4541 00