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Air
Horizontal Right Installations (Dual Certified *9MPD)
Rubber Coupling & Clamps 90 ° Elbow
Plastic Caps
5/8" Hose & Clamps
Combustion
Blower
Vent Fitting
Combustion Blower
Mounting
Screws (4)
Pressure Switch
Hose, Transition
Pressure Switch, Transition
i r
Combustion
Air Pipe
_(Optional)
Supply I
Air
/
Air Intake
Coupling
Plastic Caps
Condensate Trap
& Gasket
Drain Line
Pressure Switch, Hose, Blower ;IDE VIEW
Blower
3/4" Hose & Clamps
Rotatedownward
20° to 30°
dwg25-23-55
HorizontalRight Installations- (Dual Certified
Relocate the plastic caps and clamps on the condensate drain
trap from the vertical drain stub to the horizontal drain stubs. Se-
cure the clamps tightly to prevent condensate leakage.
*9MPD)(See Figure 10)
Relocate the plastic caps on the stubs of the plastic transition box
from the lower stubs to the upper stubs and secure tightly with the
clamps.
Mount the condensate drain trap in a vertical position to the right
side of the furnace using the two screws and gasket that are pro-
vided. Note: The condensate trap will be located under the fur-
nace in a vertical position when the furnace is placed horizontally
on the right side. If needed, remove the hole plugs from the fur-
nace side panel and relocated to the open set of holes in the oppo-
site side panel. Drill two 7/64" diameter holes in the casing using
the condensate trap as the template.
Route the pressure switch hose to the lower stub on the plastic
transition box. Cut off excess hose and discard. Connect the pres-
sure switch hose to the lower stub on the plastic transition box.
NOTE: Failure to correctly install the pressure switch hose to the
transition can adversely affect the safety control operation.
Connect the 3/4" OD rubber hose with the 90 ° bend to the drain
stub on the bottom of the plastic transition box and secure with a
3/4" clamp.
Connect the vent fitting and the 90 ° elbow to the combustion blow-
er using the rubber coupling and clamps.
Route the hose to the large drain stub on the condensate trap. Cut
off excess hose and discard. Connect the hose to the drain stub
on the trap and secure with a 3/4" clamp.
NOTE: The vent fitting MUST be installed with the airflow marking
arrow pointed toward the vent pipe, with the drain stub at a 20 ° to
30 ° downward slope.
Plug the upper drain stub on the vent fitting with the rubber plug.
Use a blunt pointed screwdriver to push the plug into the stub.
Remove the pressure switch hose from the upper stub on the
plastic transition box,
Connect the 5/8" OD rubber hose with the 90 ° bend to the lower
drain stub on the vent fitting and secure with a 5/8" clamp.
Route the hose to the smaller drain stub on the condensate trap.
Cut off excess hose and discard. Connect the hose to the drain
stub on the trap and secure with a 5/8" clamp.
NOTE: Ensure hoses maintain a downward slope to the conden-
sate trap with no kinking or binding for proper condensate drain-
age.
440 01 101004 [_
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