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HorizontalRight-SideVent
Single Pressure Switch Detail Yelloworblack
SpliceConnector /
ReliefTubeExtensionj_/
i
Dual Pressure Switc_
DrainTubeBlack, s/8"ID // (
Ct°[riugatedCut at _/
Leaveroomfor clam/ P _ Cut Here
VentDrain
&Clamps
Level or Sloped
towards Tee
N
_= /2" IDDr=in
Elbow
o
\ Barbe0
_ DrainHose
(Cut-to- fit)
Coupling &Clamps
ptional)
Fiel_liedTee
(looseparts bag)
OnSomeModels
/ONLY
Alternate Orienation
coupling
25-24-50
Horizontal Right Side Vent (SeeFigure17)
Disconnect Drain Tee if installed ('9MPD models only)
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.
Connect the black 1/2" ID Drain Tube from the Vent Drain to the
Trap. If an extension is required, use the 1/2" OU barbed coupling
and the black 1/2" ID Drain Tube in the loose parts bag. Cut tube
to length. Secure connections with clamps.
Connect the 3/16" ID relief tube to the middle port on the Trap. If
an extension is required, use the clear 3/16"OD splice connector
and the black 3/16" ID relief tube in the loose parts bag. Cut tube
to length.
Cut an appropriate length of 2" PVC pipe, fittings and extension
pipe long enough to exit the cabinet and connect the vent drain to
either:
• A standard field supplied 2" PVC tee (N9MP1 and 2 mod-
els), or
• A 2" 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.
[_ 44001102004