International comfort products C9MVX Installation Instructions Manual page 26

Figure 17
Horizontal Left−Side Vent
Alternate Orientation
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
inducer attachment screws. Reinstall and retighten the inducer
screws to 20" 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.
Remove knockout from the side of the furnace casing where drain
tube will exit.
Mount the trap externally to the bottom side of the unit using the
two screws provided in the location shown.
Cut the corrugated tube as shown in the illustration above.
Connect the corrugated hose from the transition to the trap.
Secure connections with clamps.
1
Connect the black / " (12.7mm) ID drain tube from the Vent Drain
2
to the trap. If an extension is required, use the black
OD flexible tubing connector and the black
tube in the loose parts bag.
connections with clamps.
26
Single Pressure Switch Detail
Level or Sloped towards Tee
Dual Pressure Switch
Relief Tube Black Rub­
, (4.8mm) ID
3
ber /
16
Flexible Tube Connector
(4.8mm) OD (Loose Parts Bag)
Relief Tubing Extension
Black Rubber
Cut to Fit (Loose Parts Bag)
Representative drawing only, some models may vary in appearance.
(See Figure 17)
1
/ " (12.7mm)
2
1
/ " (12.7mm) ID drain
2
Cut tube to length. Secure
Specifications are subject to change without notice.
Yellow or black
Plastic Cap
Elbow Tube Black Rubber
AIR FLOW
ID & Clamps (Loose Parts Bag)
Barbed Coupling
(Loose Parts Bag)
Drain Tube Black Rubber
, (12.7mm) ID & Clamps
1
/
2
Drain Tube Corrugated
5
/
8
,
3
/
16
, (4.8mm) ID
3
/
16
WARNING
Move Caps to
top of trap
3
Connect the / " (4.8mm) ID relief tube to the middle port on the
16
trap. If an extension is required, use the
tubing connector and the black
loose parts bag. Cut tube to length.
Cut an appropriate length of 2" (50.8mm) PVC pipe, fittings and
extension pipe long enough to exit the cabinet and connect the
vent drain to either:
• A 2" (50.8mm) PVC coupling fastened onto the drain tee
Install tee trap into bottom section of tee and glue pipe.
Important: The pipe to the tee trap must be level or sloping towards
the tee trap
Connect the tee trap and the main drain line exiting the casing as
shown in Figure 20.
Note: It is recommended that all PVC piping and fitting
connections be fit up and inspected before final cementing. Both
the external 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.
Vent Drain
& Clamps
, (12.7mm)
1
/
2
, (12.7mm) OD
1
/
2
, (15.9mm) ID & Clamps
Cut at straight section
Leave room for clamp
3
/ " (4.8mm) OD flexible
16
3
/ " (4.8mm) ID relief tube in the
16
440 01 2024 04
Cut Here
25−24−70a