drain stub on the condensate trap and secure with a 3/4" clamp. Route the hose to the smaller drain stub on the condensate trap. Route the hose to the drain stub on the bottom of the plastic transi- Cut off excess hose and discard. Connect the hose to the drain tion box. Cut off excess hose and discard. Connect the hose to the stub on the trap and secure with a 5/8" clamp. drain stub on the transition and secure with a 3/4" clamp. NOTE: Route hoses to the condensate trap with no kinking or Connect the 5/8" OD rubber hose with the 90 ° bend to the right s-binding for proper condensate drainage. Downflow Installations (Single Pipe N9MP91 & Direct Vent N9MP2-A4 Models) RIGHT Side Venting LEFT Side Ventin_ VentFitting &Clampi Return Air Return Air PVCVent Extension Air Intake Combustion Combustion Blower) Plastic Air Pipe, (Rotate 180°) Modelshown have two pressure switches Pressure Switch PVC Vent Hose, Transition Extension Pipe Condensate Yellow VentFitting Trap & Gasket SupplyAir DRAIN SIDE VIEW 5° to10° 2 PressureSwitch Connectiononall125 Connectionsonall models models except 125 dwg 25-24-04 Single PressureSwitch beangled 5° to10° also. NOTE: TRAP MUST BE PRIMED BEFORE OPERATION Downflow Installations -(Single Pipe & Direct Vent N9MP1 & N9MP2 Models) (See Figure 17) NOTE: DO NOT make hose connections until the hose routing nect the drain hoses to the stubs on the vent fitting and the plastic and lengths have been determined. Remove the condensate trap transition and secure with the clamps. and drain hoses from the furnace and secure the drain hoses to the drain stubs on the trap with the hose clamps (position the Mount the condensate drain trap in a vertical position to either the clamps as shown in Figure 17). Install the condensate trap/hose right or left side of the furnace using the two screws and gasket assembly to the furnace casing. Hook one side ofthe"cla mp ears" that are provided. If needed, remove the hole plugs from the fur- on the drain stub through the hole in the casing and push the con-nace side panel and relocated to the open set of holes in the oppodensate trap into position. Secure with the two screws. Recon-site side panel. 44001 111400 [_ NOTE:Allgasketsandsealsmustbein place for sealed combustion applications. Ensure that the vent fitting is securely attached to the combustion blower using the rubber coupling and clamps. Connect the PVC vent extension pipe to the vent fitting. This pipe has a built-in channel to assist vent condensate disposal. Align the arrow on the PVC pipe with the airflow marking arrow on the vent fitting. See label on the PVC pipe for proper installation. This pipe may only be shortened if an elbow is used to connect the PVC vent extension tube to field-installed vent pipe. Securely attach the PVC vent extension pipe to the vent fitting with the cla rap. This configuration allows left side venting from the furnace. If right side venting is required, the combustion blower must be relocated on the plastic transition box. Loosen the four(4) screws that secure the blower to the transition approximately 1/2". Rotate the blower 180 ° and secure with the four(4) screws. Note that some combustion blowers have plastic spacers on the mounting legs of the blower located at the 6 and 12 o'clock positions (blower snout to the left or right) that are required for proper fit up of the blower to the transition. Use caution to not over tighten the screws to prevent stripping out of the plastic mounting holes. NOTE: The vent fitting MUST be installed with the airflow marking arrow pointed toward the vent pipe, with the drain stub at a 5° to 10 ° downward slope. Plug the upper drain stub on the vent fitting with the yellow plastic cap. Connect the PVC vent extension pipe to the vent fitting. This pipe has a built-in channel to assist vent condensate disposal. Align the arrow on the PVC pipe with the airflow marking arrow on the vent fitting. See label on the PVC pipe for proper installation. This pipe may only be shortened if an elbow is used to connect the PVC vent extension tube to field-installed vent pipe. Securely attach the PVC vent extension pipe to the vent fitting with the cla rap. Remove the pressure switch hose from the upper stub on the plastic transition box. Relocate the plastic caps on the stubs of the plastic transition box from the lower stubs to the upper stubs and secure tightly with the clamps. Route the pressure switch hose to the lower stub on the plastic transition box. Cut off excess hose and discard. Connect the pressure switch hose to the lower stub on the plastic transition box. NOTE: Failure to correctly install the pressure switch hose to the transition box can adversely affect the safety control operation. Connect the 3/4" OD rubber hose with the 90 ° bend to the drain stub on the bottom of the plastic transition box and secure with a 3/4" clamp. Route the hose to the large drain stub on the condensate trap. Cut off excess hose and discard. Connect...
