A951X-SVX001-1D-EN
71
Furnace in Horizontal Left Position - Side
Vented Combustion Air
Changes do not need to be made to the inducer
orientation when installing the upflow furnace in the
horizontal left position with the combustion air vented
through the top. Changes are needed for hose routing,
condensate trap orientation, and inducer port caps.
The figure below shows the furnace as it is sent from
the factory.
Use the following steps to modify the furnace for
horizontal left with top venting of combustion air.
Before proceeding, lay unit on its back to make the
conversion easier.
1. Remove all drain hoses from condensate trap.
NNoottee:: When removing condensate hoses from the
condensate trap, hold the trap with your hand to
prevent the trap from breaking. Removing the
trap before the hoses is also an option.
2. Remove drain tubing from bottom of inducer
housing.
3. Remove rain gutter tubing from inducer outlet.
4. Remove tubing from condensate pressure switch.
5. Remove the screws that hold the condensate trap
bracket. The condensate trap should not be
removed from the condensate trap bracket.
Remove assembly and retain for later installation.
NNoottee:: There is a plastic adapter with O-rings located
inside the cold header that is held in place by the
condensate trap bracket. Do not lose this adapter.
This adapter needs to be in place when the
condensate trap bracket is reattached.
6. Remove plug from 3” hole.
7. Install condensate trap grommet.
8. Attach the vent outlet gasket to the vent outlet.
9. Install vent outlet to top of cabinet using 2 screws
supplied in the doc pack.
10. Install vent inlet gasket and vent inlet using 4
screws supplied in the doc pack.
11. Slide PVC through vent outlet adaptor and insert
into inducer outlet.
12. Twist to insure PVC is fully inserted.
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