24
AIR FLOW
IN
ON
OFF
V
E
N
T
Relief Tube Black Rubber
3
/
16
″
ID
25--24--88
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap White PVC
(loose parts bag)
WARNING
Move Caps to top of trap
Flexible Tubing Connector
3
/
16
″
OD (Loose Parts Bag)
Elbow Tube Black Rubber
1
/
2
″
ID & Clamps
(Loose Parts Bag)
EXHAUS
T
Alternate Orientation
Field
Supplied Tee
Cut Here
Cut at straight section
Leave room for clamp
Relief Tube Extension
Black Rubber
3
/
16
″
ID Cut to Fit
(Loose Parts Bag)
Yellow or black
Plastic Cap
Vent Drain
& Clamps
Level or Sloped towards Tee
INL
E
T
On Some
Models ONLY
Drain Tube Black,
5
/
8
″
ID Corrugated
Drain Tube Black Rubber
1
/
2
″
ID & Clamps
Barbed Coupling
1
/
2
″
OD (Loose Parts Bag)
Representative drawing only, some models may vary in appearance.
A07710
Fig. 16 --
Horizontal Left--Side Vent
Horizontal Left--Side Vent (See Fig. 16)
S
Remove the drain tee from the Vent Drain if installed.
S
Rotate the inducer 180
°
for a side vent after loosening the 4
inducer attachment screws. Reinstall and retighten the inducer
screws to 20
″
(2.26 newton meters) pounds torque.
S
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.
S
Remove knockout from the side of the furnace casing where
drain tube will exit.
S
Mount the trap externally to the bottom side of the unit using
the 2 screws provided in the location shown.
S
Cut the corrugated tube as shown in the illustration above.
Connect the corrugated hose from the transition to the trap.
Secure connections with clamps.
S
Connect the black
1
/
2
″
(13 mm) ID drain tube from the Vent
Drain to the trap. If an extension is required, use the black
1
/
2
″
(13 mm) OD flexible tubing connector and the black
1
/
2
″
(13 mm) ID drain tube in the loose parts bag. Cut tube to
length. Secure connections with clamps.
S
Connect the
3
/
16
″
(5 mm) ID relief tube to the middle port on
the trap. If an extension is required, use the
3
/
16
″
OD flexible
tubing connector and the black
3
/
16
″
(5 mm) ID relief tube in
the loose parts bag. Cut tube to length.
S
Cut an appropriate length of 2
″
(51 mm) PVC pipe, fittings
and extension pipe long enough to exit the cabinet and connect
the vent drain to either:
— A standard field supplied 2
″
(51 mm) PVC tee, or
— A 2
″
(51 mm) PVC coupling fastened onto the drain
tee.
S
Install tee trap into bottom section of tee.
S
Important: The pipe to the tee trap must be level or sloping
towards the tee trap
S
Connect the tee trap and the main drain line exiting the casing
as shown in Fig. 19.
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.
359AA
V
