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Figure 9
Upflow Installations Vent thru Left Side
Yellow or black Plastic
Cap
Coupling & Clamps
(Optional)
Vent Drain
& Clamps
Either: The PVC
Drain Tee or a field
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)
Upflow Installations Vent thru Left Side
Remove Drain Tee from inducer discharge and remove black Drain
1
Tube (
/
² ID) from bottom of Drain Tee. (*9MPD models only)
2
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 and 2 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.
14
2² ² ² ² PVC Coupling
Tee Trap White PVC
(loose parts bag)
1
/
² ² ² ² ID Drain Tube
2
Black (Move from
bottom of drain tee
if installed)
3
1
Drain Line Vent Tee
/
² ² ² ² PVC or
/
² ² ² ² CPVC (Field supplied)
4
2
3
1
/
² PVC x
/
² CPVC from
4
2
Single Pressure Switch
5
/
² ² ² ² ID Hose
8
& Clamps
(See Figure 9)
Cut the black Drain Tube (
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 17.
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.
On Some Models
ONLY
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--43
5
/
² ID -- in loose parts bag) to length to
8
440 01 1020 02
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