International comfort products N9MP1 Installation Instructions Manual page 20

Figure 13 Downflow Right Side Vent and Trap
Plastic Cap
Yellow or black
SIDE VIEW
Vent Drain
& Clamps
NOTE: Built--in channel will
be angled 5° to 10° also.
Single Pressure Switch Detail
Drain Tube Corrugated
5
/ ² ² ² ² ID & Clamps
8
Drain Connector Black
3 1
PVC / ² ² ² ² PVC X
4
(Loose parts bag)
Downflow Right Side Vent and Trap
Remove the Drain Tee if installed.
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 right side of the unit using the 2 screws provided.
Connect the corrugated Drain Tube from the transition box to the
Trap as shown. If an extension is required, use the black PVC tube
5
connector and the black / ² ID Drain Tube in the loose parts bag.
8
Cut tube to length. Secure all connections with clamps.
Connect the drain hose from the Vent Drain to the Trap. If an ex-
tension is required, use the black
1
nect a black / ² ID elbow tube and a suitable section of a
2
drain tube to make connection from the vent drain to the trap. Se-
cure all connections with clamps.
20
Rotate downward
5° ° ° ° to 10° ° ° °
Elbow Tube Black Rubber
1
/ ² ² ² ² ID & Clamps
2
(Loose Parts Bag)
Dual Pressure Switch
/ ² ² ² ² CPVC
2
(See Figure 13)
1
/ ² OD barbed coupling, con-
2
Barbed Coupling
1
/ ² ² ² ² OD
2
(Loose Parts Bag)
Install the vent pipe grommet into the casing
Cut an appropriate length of 2² PVC pipe long , enough to exit the
cabinet and connect the vent drain to either:
· A standard field supplied 2² PVC tee (N9MP1 models), or
· A 2² PVC coupling fastened onto the Drain Tee (*9MPD
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 18.
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
1
/ ² ID operation. Verify all condensate drain connections are securely
2
clamped. A coupling and clamps (in loose part bag) may be
installed as shown for future servicing of the vent system.
Trap Connection
Preassemble &
Relief Tube
insert into furnace
3
Black Rubber / ² ² ² ² ID
16
Drain Tube
Coupling & Clamps
Black Rubber
(Optional)
1
/ ² ² ² ² ID
2
Cut to Fit &
Clamps
On Some
2² ² ² ² PVC Coupling
Models ONLY
Either: The PVC
Drain Tee or a field
supplied 2² ² ² ² PVC Tee
Tee Trap White PVC
(loose parts bag)
WARNING
Move Caps to top of trap
Drain Tube Black Rubber,
5
/ ² ² ² ² ID Cut to fit & Clamps
8
(loose parts bag)
440 01 1021 01
"Clamp ears"
Pointed OUT
25--24--83a