20
440 01 1024 01
Specifications are subject to change without notice
EXHAUST
A
IR
FLO
W
INLET
IN
ON
OFF
VENT
Figure 13
All Models Vent through Right--Side
Casing Grommet
Black Rubber
5
/
8
″
CPVC
(Loose parts bag)
Drain Connector Black PVC
3
/
4
″
PVC X
1
/
2
″
CPVC
(Loose parts bag)
Drain Line Vent Tee
3
/
4
″
PVC
or
1
/
2
″
CPVC (Field supplied)
Drain Tube
Corrugated
5
/
8
″
ID & Clamps
Relief Tube
Black Rubber
3
/
16
″
ID
25--24--82
Single Pressure Switch Detail
Dual
Pressure Switch
Tee Trap White PVC
(loose parts bag)
2
″
PVC
Coupling
Barbed Coupling,
1
/
2
″
OD
(loose parts bag)
Elbows Tubes (2) & Clamps Black,
1
/
2
″
ID (loose parts bag)
Rotate downward
5
°
to 10
°
NOTE:
Built--in channel will
be angled 5
°
to 10
°
also.
SIDE VIEW
Plastic Cap
Yellow or black
Vent Drain
& Clamps
On Some Models
ONLY
Either: The PVC
Drain Tee or a field
supplied 2
″
PVC Tee
Representative drawing only, some models may vary in appearance.
All Models Vent through Right--Side
(See Figure 13)
Disconnect the black drain tube between the drain vent and the
trap.
Rotate the inducer 180
°
for a right side vent after loosening the 4
inducer attachment screws. Reinstall and retighten the inducer
screws to 20
″
pounds torque.
Using the
1
/
2
″
OD barbed coupling in the loose parts bag connect
together with the 2 short
1
/
2
″
ID elbow tubes and connect the lower
discharge port of the vent drain to the trap. Secure all connections
with clamps.
Install the vent pipe grommet into the casing
Cut an appropriate length of 2
″
PVC pipe long enough to exit the
cabinet and connect the vent drain to either:
•
A standard field supplied 2
″
PVC tee (*9MP1 models), or
•
A 2
″
PVC coupling fastened onto the drain tee (N9MPD and
*9MPD models)
Install tee trap into bottom section of tee.
Remove knockout from the side of the furnace casing where drain
tube will exit.
Install casing grommet (black rubber
5
/
8
″
ID grommet -- in loose
parts bag)
Install the
1
/
2
″
CPVC street elbow on discharge of trap
Install the black PVC tube connector (
3
/
4
″
PVC x
1
/
2
″
CPVC from
loose parts bag) as shown in the illustration above
Cut the black drain tube (
5
/
8
″
ID -- in loose parts bag) to length to
fit between trap and tube connector through grommet.
Clamp both ends of the drain tube using clamps provided.
Glue the CPVC street elbow to the trap using appropriate cleaner
and solvent cement.
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 internal 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.