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Figure 17
Horizontal Left- -Side Vent
Alternate Orientation
Field
Supplied Tee
Tee Trap White PVC
(loose parts bag)
On Some
Models ONLY
Representative drawing only, some models may vary in appearance.
Horizontal Left- -Side Vent
Remove the drain tee from the Vent Drain if installed (N9MPD and
*9MPD models only)
Rotate the inducer 180
for a side vent after loosening the 4
°
inducer attachment screws. Reinstall and retighten the inducer
screws to 20" pounds torque.
Disconnect the hoses from the trap assembly, and remove trap
and trap mounting bracket from the blower compartment. Using
cover plate and gasket provided in the loose parts bag, cover the
hole from the burner compartment to the blower compartment and
secure with screws.
Remove knockout from the side of the furnace casing where drain
tube will exit.
Mount the trap externally to the bottom side of the unit using the
2 screws provided in the location shown.
Cut the corrugated tube as shown in the illustration above.
Connect the corrugated hose from the transition to the trap.
Secure connections with clamps.
1
Connect the black
/
" ID drain tube from the Vent Drain to the trap.
2
If an extension is required, use the black
1
connector and the black
/
" ID drain tube in the loose parts bag.
2
Cut tube to length. Secure connections with clamps.
24
Single Pressure Switch Detail
Level or Sloped towards Tee
Dual Pressure Switch
Relief Tube Black Rubber
3
/
" ID
16
IN
Flexible Tubing Connector
3
/
" OD (Loose Parts Bag)
16
Relief Tube Extension
3
Black Rubber
/
" ID Cut to Fit
16
(Loose Parts Bag)
(See Figure 17)
1
/
" OD flexible tubing
2
Specifications are subject to change without notice
Yellow or black
Plastic Cap
Vent Drain
& Clamps
Elbow Tube Black Rubber
1
/
" ID & Clamps
2
AIR FLOW
(Loose Parts Bag)
Barbed Coupling
1
/
" OD (Loose Parts Bag)
2
Drain Tube Black Rubber
1
/
" ID & Clamps
2
Remove KO before
mounting Trap
WARNING
Move Caps to top of trap
Drain Tube Black,
Cut at straight section
Leave room for clamp
3
Connect the
/
" ID relief tube to the middle port on the trap. If an
16
extension is required, use the
3
and the black
/
" ID relief tube in the loose parts bag. Cut tube
16
to length.
Cut an appropriate length of 2" PVC pipe, fittings and extension
pipe long enough to exit the cabinet and connect the vent drain to
either:
A standard field supplied 2" PVC tee (N9MP1 models), or
•
A 2" PVC coupling fastened onto the drain tee (N9MPD and
•
*9MPD models)
Install tee trap into bottom section of tee.
Important: The pipe to the tee trap must be level or sloping towards
the tee trap
Connect the tee trap and the main drain line exiting the casing as
shown in Figure 20.
Note:
It is recommended that all PVC piping and fitting
connections be fit up and inspected before final cementing. Both
the external trap and the external tee trap must be primed
before operation. Verify all condensate drain connections are
securely clamped. A coupling and clamps (in loose part bag) may
be installed as shown for future servicing of the vent system.
5
/
" ID Corrugated
8
Cut Here
25--24--88
3
/
"OD flexible tubing connector
16
440 01 1024 01
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