International comfort products N9MP1 Installation Instructions Manual page 17

Figure 10 Upflow Installations Vent thru Left Side
Plastic Cap
Yellow or black
Coupling & Clamps
(Optional)
Either: The PVC
Vent Drain
Drain Tee or a field
& Clamps
supplied 2² ² ² ² PVC Tee
Dual Pressure Switch Detail
Drain Connector Black PVC
3 1
/ ² ² ² ² PVC X / ² ² ² ² CPVC
4 2
(Loose parts bag)
Casing Grommet
Black Rubber
5
/ ² ² ² ² ID
8
(Loose parts bag)
3
Drain Line Vent Tee / ² ² ² ² PVC or
4
Upflow Installations Vent thru Left Side
Remove Drain Tee from inducer discharge and remove black
1
Drain Tube ( / ² ID) from bottom of Drain Tee. (*9MPD models
2
only)
Install Vent Pipe grommet in side of 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 mod-
els)
Install Tee trap into bottom of tee.
1
Install the / ² CPVC street elbow on discharge of Trap
2
Install the black PVC drain connector (
loose parts bag) as shown in the illustration above.
440 01 1021 01
2² ² ² ² PVC Coupling
Single Pressure
Switch
Tee Trap White PVC
(loose parts bag)
Drain Tube
Black Rubber
1
/ ² ² ² ² ID & Clamps
2
Drain Tube
Corrugated
5
/ ² ² ² ² ID & Clamps
8
1
/ ² ² ² ² CPVC (Field supplied)
2
(See Figure 10)
3 1
/ ² PVC x / ² CPVC from
4 2
On Some Models
ONLY
V E
NT
ON
OFF
5
Cut the black Drain Tube ( /
8
fit between Trap and tube connector through grommet.
Clamp both ends of the Drain Tube using clamps provided.
Glue the CPVC street elbow to the Trap using appropriate cleaner
and solvent cement.
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 in-
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.
3
/ ² ² ² ² ID Rubber Tube
16
SIDE VIEW
Rotate downward
5° ° ° ° to 10° ° ° °
NOTE: Built--in channel will
be angled 5° to 10° also.
25--24--81
² ID -- in loose parts bag) to length to
17