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24
AIR
FLOW
OFF
ON
25--24--70a
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap White PVC
(loose parts bag)
WARNING
Move Caps to
top of trap
Flexible Tube Connector
3
/
16
″
(4.8mm) OD (Loose Parts Bag)
Elbow Tube Black Rubber
1
/
2
″
(12.7mm)
ID & Clamps(Loose Parts Bag)
EXHAUST
Alternate Orientation
Field
Supplied Tee
Cut Here
Cutatstraightsection
Leave room for clamp
Relief Tubing Extension
Black Rubber
3
/
16
″
(4.8mm) ID
Cut to Fit (Loose PartsBag)
Yellow or black
Plastic Cap
Vent Drain
&Clamps
Drain Tube Corrugated
5
/
8
″
(15.9mm) ID & Clamps
Level or Sloped towards Tee
INLET
On Some
Models ONLY
Relief Tube Black Rub-
ber
3
/
16
″
(4.8mm) ID
Drain Tube Black Rubber
1
/
2
″
(12.7mm) ID & Clamps
Barbed Coupling
1
/
2
″
(12.7mm) OD
(Loose Parts Bag)
Representative drawing only, some models may vary in appearance.
A07710
Fig. 17 -- Horizontal Left--Side Vent
Horizontal Left--Side Vent (See Fig. 17)
Remove the drain tee from the Vent Drain if installed.
Rotate the inducer 180
° for a side vent after loosening the 4 inducer
attachment screws. Reinstall and retighten the inducer screws to 20
in. lbs. (2.3 Nm) torque.
Disconnect the hoses from the trap assembly, and remove trap and
trap mounting bracket from the blower compartment. Using c over
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
two 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.
Connect the black
1
/
2
″ (12.7mm) ID drain tube from the Vent Drain
to the trap. If an extension is required, use the black
1
/
2
″ (12.7mm)
OD flexible tubing connector and the black
1
/
2
″ (12.7mm) ID drain
tube in the loose parts bag. Cut tube to length. Secure connections
with clamps.
Connect the
3
/
16
″ (4.8mm) ID relief tube to the middle port on the
trap. If an extension is required, use the
3
/
16
″ (4.8mm) OD flexible
tubing connector and the black
3
/
16
″ (4.8mm) ID relief tube in the
loose parts bag. Cut tube to length.
Cut an appropriate length of 2″ (50.8mm) PVC pipe, fittings and
extension pipe long enough to exit the cabinet and connect the vent
draintoeither:
S A2″ (50.8mm) PVC coupling fastened onto the drain tee
Install tee trap into bottom section of tee and glue pipe.
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 t he casing as
shown in Fig. 17.
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.
58HDV