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F F u u r r n n a a c c e e C C o o m m b b u u s s t t i i o o n n A A i i r r E E x x h h a a u u s s t t O O p p t t i i o o n n s s
Upflow Furnace in Upflow
Position - Top Vented
Combustion Air
No changes need to be made to the inducer when
installing the upflow furnace with the combustion air
vented through the top.
I I m m p p o o r r t t a a n n t t : : Trim the condensate pressure switch
tubing to length to ensure there is no sag or
trap created.
1. Attach the vent outlet gasket to the vent outlet.
2. Install vent outlet to top of cabinet using 2 screws
supplied in the doc pack.
3. Install vent inlet gasket and vent inlet using 4
screws supplied in the doc pack.
4. Slide PVC pipe through vent outlet adaptor and
insert into inducer outlet.
5. Twist to insure PVC is fully inserted.
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6. Tighten the clamp on the end of the 45 degree
elbow.
7. Tighten the clamp on the outlet vent adapter.
N N o o t t e e : : The vent outlet adapter is used for strain relief
against the weight of the venting. The clamp
should be tightened after the internal connection
is made.
8. Install the combustion air inlet PVC pipe.
N N o o t t e e : : If required, transition to larger venting within 2'
of the cabinet. CPL01544 – 2" x 3" offset coupling
may be used and is factory supplied with 120
KBTUH furnaces. Canadian applications may use
BAYREDUCE to meet ULC-S636 requirements.
Upflow Furnace in Upflow
Position - Left Side Vented
Combustion Air
Changes need to be made to the inducer orientation
when installing the upflow furnace with the
combustion air vented through the side. Additional
changes are needed for hose routing and PS2 rotation.
The figure to the top left in next page shows the
furnace as it is sent from the factory.
Use the following steps to modify the furnace for
upflow with side venting of combustion air.
I I m m p p o o r r t t a a n n t t : : Right side vent outlet is not allowed
because condensate will not drain.
S9V2-VS-SVX001-1C-EN
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