International comfort products N9MP1 Installation Instructions Manual page 22

Figure 15 Horizontal Left- -Side Vent
Alternate Orienation
Field
Supplied Tee
Tee Trap White PVC
(loose parts bag)
On Some
Models ONLY
Horizontal Left- -Side Vent
Remove the Drain Tee from the Vent Drain if installed (*9MPD
models only)
°
Rotate the inducer 180 for a side vent after loosening the 4 induc-
er attachment screws. Reinstall and retighten the inducer screws
to 20² 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.
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.
1
Connect the black / ² ID Drain Tube from the Vent Drain to the
2
Trap. If an extension is required, use the black
ing connector and the black
bag. Cut tube to length. Secure connections with clamps.
3
Connect the / ² ID relief tube to the middle port on the Trap. If an
16
extension is required, use the
22
Single Pressure Switch Detail
Level or Sloped towards Tee
Dual Pressure Switch
Relief Tube Black Rubber
3
/ ² ² ² ² ID
16
IN
Flexible Tubing Connector
3
/ ² ² ² ² OD (Loose Parts Bag)
16
Relief Tube Extension
Black Rubber
(Loose Parts Bag)
(See Figure 15)
1
/ ² OD flexible tub-
2
1
/ ² ID Drain Tube in the loose parts
2
3
/ ²OD flexible tubing connector
16
AIR FLOW
3
/ ² ² ² ² ID Cut to Fit
16
Leave room for clamp
3
and the black / ² ID relief tube in the loose parts bag. Cut tube
16
to length.
Cut an appropriate length of 2² PVC pipe, fittings and extension
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.
Important: The pipe to the Tee Trap must be level or sloping to-
wards the Tee Trap
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
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.
A coupling and clamps (in loose part bag) may be installed as
shown for future servicing of the vent system.
Yellow or black
Plastic Cap
Vent Drain
& Clamps
Elbow Tube Black Rubber
1
/ ² ² ² ² ID & Clamps
2
(Loose Parts Bag)
Barbed Coupling
1
/ ² ² ² ² OD (Loose Parts Bag)
2
Drain Tube Black Rubber
1
/ ² ² ² ² ID & Clamps
2
WARNING
Move Caps to top of trap
5
Drain Tube Black, / ² ² ² ² ID Corrugated
8
Cut at straight section
Cut Here
25--24--88
440 01 1021 01