20
440 01 2020 01
AIRFLOW
Figure 15
Horizontal Right thru Top
3
/
16
²²²²
ID Rubber Tube
Trap Connection
“Clamp ears”
Pointed OUT
Preassemble &
insert into furnace
25--24--49
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap
White PVC
(loose parts bag)
WARNING
Add Cap and
Clamp
Splice Connector
1
/
2
²²²²
ID Drain Hose & barbed
coupling (Cut- to- fit)
EXHAUS
T
Alternate Orienation
Field
Supplied Tee
Cut Here
Drain Tube Black,
5
/
8
²²²²
ID
Corrugated Cut at straight section
Leave room for clamp
Relief Tube
Relief Tube Extension
Yellow or black
Plastic Cap
Vent Drain
& Clamps
INLET
On Some Models
ONLY
Coupling & Clamps
(Optional)
Horizontal Right Thru Top
(See Figure 15)
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.
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. Con-
nect the corrugated hose from the transition to the Trap. Secure
connections with clamps.
Connect the black
1
/
2
²
ID Drain Tube from the Vent Drain to the
Trap. If an extension is required, use the black
1
/
2
²
OD barbed
coupling and the black
1
/
2
²
ID Drain Tube in the loose parts bag.
Cut tube to length. Secure connections with clamps.
Connect the
3
/
16
²
ID relief tube to the middle port on the Trap. If
an extension is required, use the clear
3
/
16
²
OD flexible tubing con-
nector and the black
3
/
16
²
ID relief tube in the loose parts bag. Cut
tube to length.
Cut an appropriate length of 2
²
PVC pipe, fittings and extension
pipe long enough to exit the cabinet and connect the vent drain to
a standard field supplied 2
²
PVC tee
Install Tee Trap into bottom section of Tee.
Connect the Tee trap and the main drain line exiting the casing as
shown in
Figure 17
.
Note:
It is recommended that all PVC piping and fitting connec-
tions be fit up and inspected before final cementing.
Both the ex-
ternal 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.
Summary of Contents for 9MPT050F12A
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