18
440 01 2020 01
AIR
FLO
W
Figure 13
Horizontal Left Thru Top
3
/
16
²²²²
ID
Rubber Tube
Yellow or black Plastic
Caps
Vent Drain
& Clamps
Trap Connection
“Clamp ears”
Pointed OUT
Preassemble &
insert into furnace
25--24--47
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap White PVC
(loose parts bag)
Cap and Clamp
Open End
3
/
16
²²²²
OD Flexible tubing
connector
1
/
2
²²²²
ID Drain
Hose &
Clamps
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
AIR
FLO
W
Coupling & Clamps
(Optional)
Horizontal Left--Thru Top
(See Figure 13)
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.
Remove the black
1
/
2
²
ID Drain Tube from the Drain Tee. Install a
yellow cap and clamp over the open drain port of the Drain Tee.
Connect the black
1
/
2
²
ID Drain Tube from the Vent Drain to the
Trap. 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
3
/
16
²
OD flexible tubing connector
and the black
3
/
16
²
ID relief tube in the loose parts bag. Cut tube
to length. Secure all connections with clamps.
Cut an appropriate length of 2
²
PVC pipe, long enough to exit the
cabinet and connect the vent drain to either:
·
A 2
²
PVC coupling fastened onto the Drain Tee (*9MPT or V
models)
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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