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Connectthe 3/4" OD rubber hose with the 90 ° bend to the large
drain stub on the condensate trap and secure with a 3/4" clamp.
Route the hose to the drain stub on the bottom of the plastic transi-
tion box. Cut off excess hose and discard. Connect the hose to the
drain stub on the transition and secure with a 3/4" clamp.
Connect the 5/8" OD rubber hose with the 90 ° bend to the right s-
tub on the vent fitting and secure with a 5/8" clamp.
Route the hose to the smaller drain stub on the condensate trap.
Cut off excess hose and discard. Connect the hose to the drain
stub on the trap and secure with a 5/8" clamp.
NOTE: Route hoses to the condensate trap with no kinking or
binding for proper condensate drainage.
Downflow Installations (Single Pipe N9MP91 & Direct Vent N9MP2-A4 Models)
VentFitting
&Clampi
PVCVent
Extension
Condensate
Trap & Gasket
LEFT Side Ventin_
<C>
Return Air
Combustion Blower) Plastic
(Rotate180°)
2PressureSwitch
Connectiononall125
models
Modelshown have
two pressure
switches
Pressure Switch
Hose, Transition
RIGHT Side Venting
ReturnAir
Air Intake
Combustion
Air Pipe,
PVC Vent
Extension
Pipe
Yellow VentFitting
SupplyAir
DRAIN SIDE VIEW
5° to10°
Single PressureSwitch beangled 5°to10° also.
Connectionsonall
models except 125
dwg25-24-04
NOTE: TRAP MUST BE PRIMED BEFORE OPERATION
Downflow Installations - (Single Pipe & DirectVent N9MP1 &
NOTE: DO NOT make hose connections until the hose routing
and lengths have been determined. Remove the condensate trap
and drain hoses from the furnace and secure the drain hoses to
the drain stubs on the trap with the hose clamps (position the
clamps as shown in Figure 17). Install the condensate trap/hose
assembly to the furnace casing. Hook one side ofthe"cla mp ears"
on the drain stub through the hole in the casing and push the con-
densate trap into position. Secure with the two screws. Recon-
N9MP2 Models) (See Figure 17)
nect the drain hoses to the stubs on the vent fitting and the plastic
transition and secure with the clamps.
Mount the condensate drain trap in a vertical position to either the
right or left side of the furnace using the two screws and gasket
that are provided. If needed, remove the hole plugs from the fur-
nace side panel and relocated to the open set of holes in the oppo-
site side panel.
44001 111400 [_