— WHAT TO DO IF YOU SMELL GAS: • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. • If you cannot reach your gas supplier, call the fire department. • Extinguish any open flame. — Installation and service must be performed by a qualified installer, service agency, or the gas supplier. ! AVERTISSEMENT: RISQUE D’INCENDIE OU D’EXPLOSION Le non-respect des consignes de securite pourrait entrainer des blessures graves, la mort ou des dommages materiels. — Ne pas entreposer ni utiliser de l’essence ni d’autres vapeurs ou liquides inflammables dans le voisinage de cet appareil, ni de tout autre appareil. — QUE FAIRE S’UL Y A UNE ODEUR DE GAZ • Ne pas tenter d’allumer aucun appareil. • Ne toucher a aucun interrupteur electrique; n’utiliser aucun telephone dans le batiment. • Appeler immediatement le fournisseur de gaz en employant le telephone d’un voisin. Respecter a la lettre les instructions du fournisseur de gaz. • Si personne ne repond, appeler le service des incendies. — L’installation et l’entretien doivent etre effectues par un installateur qualifie, un organisme de service ou le fournisseur de gaz. IMPORTANT Read this owner information thoroughly before attempting to operate or maintain this furnace to become familiar with the capabilities and use of your heating appliance. Keep this with literature on other appliances where you have easy access to it in the future. If a problem occurs, check the instructions and follow the recommendations given. If the suggestions do not eliminate your problem, call your NORDYNE Servicing Contractor (Service PRO). Any additions, changes, or conversions required in order for the appliance to satisfactorily meet the application needs must be made by a qualified installer, service agency, or the gas supplier using factory specified and approved parts. 2 3 1 Ignitor 2 Flame Sensor (Not Shown) 3 Gas Valve 4 Flame Roll-out Switch(s) 5 Pressure Switch 6 Control Board 7 Blower Door Switch(s) 8 Exhaust Adapter 9 Low Voltage Transformer 10 Burner Assembly 11 Supply Air Limit Switch 12 Blower Assembly 13 Induced Draft Blower 14 Vent Transition 1 Ignitor 2 Flame Sensor 3 Gas Valve 4 Flame Roll-out Switch(s) 5 Pressure Switch 6 Control Board 7 Blower Door Switch 80+ AFUE 2 5 7 6 3 10 4 1 11 8 12 14 13 9 8 Vent Assembly (Upflow Only) 9 Vent Switch 10 Low Voltage Transformer 11 Burner Assembly 12 Supply Air Limit Switch 13 Blower Assembly 14 Induced Draft Blower 15 Combustion Tube w/insulation (Downflow Only) 16 Vent Transition Assembly (Downflow Only) Upflow/Horizontal Furnace Upflow/Horizontal Furnace 5 2 9 3 4 1 6 7 13 15 10 12 14 16 11 Downflow Furnace Figure 1. Furnace Parts Identified 13 6 5 9 7 4 12 11 10 1 3 14 8 80+ AFUE 4 90+ AFUE 1 Ignitor (Not Shown) 2 Flame Sensor (Not Shown) 3 Gas Valve 4 Flame Roll-out Switch(s) 5 Pressure Switch 6 Vent Pressure Switch (93+ Only) 7 Control Board 8 Blower Door Switch 9 Vent Safety Switch 10 Low Voltage Transformer 11 Supply AIr Limit Switch 12 Circulating Air Blower Assembly 13 Induced Draft Blower 14 Condensate Drain Tube 15 In-Line Drain Assembly 16 Burner View Port 17 Front Header Box 18 Combustion Air Intake 19 Exhaust Vent Upflow/Horizontal Condensing Furnaces Downflow Condensing Furnace 10 7 8 13 5 9 14 11 3 1 4 16 2 17 15 12 18 19 Figure 2. Furnace Parts Identified 4 1 7 8 9 13 5 18 19 17 2 10 15 11 16 3 6 12 14 5 90+ AFUE Two - Stage Models Figure 3. Furnace Parts Identified Upflow/Horizontal Furnace Models 20 5 7 3 8 18 9 17 12 16 14 10 17 5 3 12 10 14 9 8 11 20 19 7 16 18 1 Ignitor (Not Shown) 2 Flame Sensor (Not Shown) 3 Primary Gas Valve 4 Secondary Gas Valve 5 Flame Roll-out Switch(s) 6 Pressure Switch 7 Vent Pressure Switch 8 Control Board 9 Blower Door Switch Downflow Furnace Models 10 Vent Safety Switch 11 Low Voltage Transformer 12 Supply Air Limit Switch 13 Circulating Air Blower Assembly (Not Shown on Downflow Model) 14 Induced Draft Blower 15 Condensate Drain Tube 16 In-Line Drain Assembly 17 Burner View Port 18 Front Header Box 19 Combustion Air Intake (Not Shown on Upflow Model)) 20 Exhaust Vent (Not Shown on Downflow Model) 4 6 6 11 13 15 4 15 6 1 Ignitor 2 Flame Sensor 3 Gas Valve 4 Flame Roll-out Switch(s) 5 Pressure Switch 6 Control Board 7 Blower Door Switch 8 Vent Assembly 9 Low Voltage Transformer 10 Burner Assembly 11 Supply Air Limit Switch 12 Blower Assembly 13 Induced Draft Blower Upflow/Horizontal Furnace 80+ AFUE Two - Stage Models 2 5 7 6 3 9 4 1 10 11 13 12 8 Figure 4. Furnace Parts Identified GENERAL INFORMATION This furnace has been designed and built to provide many years of safe and dependable home comfort, providing it is properly installed and maintained. With regular maintenance, this furnace will operate satisfactorily year after year. Abuse, improper use, and/or improper maintenance can shorten the life of the furnace and create haz...