Yumpu 9MPT050F12A, Installation Instructions Manual

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Figure 11
Downflow Left Side Vent and Trap
3
/
16
²²²²
ID
Rubber Tube
25--24--45
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap White PVC
(loose parts bag)
Flexible Tubing Connector,
3
/
16
²²²²
OD (loose parts bag)
Drain
Elbow (1)
EXHAUS
T
Cut Here
Drain Tube Black,
5
/
8
²²²² ID Corrugated
Cut at straight section
Leave room for clamp
WARNING
Move Caps
to top of
trap
Relief Tube,
Extension Black,
3
/
16
²²²² ID Cut to fit
(loose parts bag)
1
/
2
²²²²
ID
Drain
Hose
INLET
On Some Models
ONLY
Either: The PVC
Drain Tee or a field
supplied 2 ²²²² PVC Tee
Yellow or black Plastic
Cap
Vent Drain
& Clamps
Rotate downward
5 °°°° to 10 °°°°
NOTE: Built--in channel will
be angled 5
°
to 10
°
also.
SIDE VIEW
Coupling & Clamps
(Optional)
Trap Connection
“Clamp ears”
Pointed OUT
Preassemble &
insert into furnace
2 ²²²² PVC Coupling
Downflow Left Side Vent and Trap
(See Figure 11)
Remove the inducer mounting screws, rotate the inducer 180 ° and
retighten the inducer screws to 20 ² pounds torque.
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.
Move the caps to the top of the Trap and mount the Trap externally
to the left side of the unit using the 2 screws provided.
Cut the
5
/
8
² ID corrugated hose as shown above and fasten the 90 °
bend end to the Trap and fasten the straight end to the transition
drain. Secure both connections with clamps.
Reconnect the
1
/
2
² ID drain hose from the vent drain to the Trap
and secure with a clamp.. In some cases, additional length will be
required for this hose. Use the Black plastic
1
/
2
²
OD barbed cou-
pling and a suitable section of
1
/
2
² ID hose to make the connection.
Secure all connections with clamps
Connect the
3
/
16
² ID relief tube from the small port on the Trap to
the top port of the transition as shown in the picture. In some cases,
additional hose length will be needed. Use the clear plastic
3
/
16
²
OD flexible tubing connector and a suitable length of extra
3
/
16
² ID
hose to make this connection.
Install the vent pipe grommet into the casing
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.