! ADVERTISSEMENT: RISQUE D’INCENDIE OU D’EXPLOSION Le non-respect des avertissements de securite pourrait entrainer des blessures graves, la mort ou des dommages materiels. – Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. – 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. • Leave the building immediately. • 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. – Installation and service must be performed by a qualified installer, service agency, or the gas supplier. – 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’IL 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. • Evacuer l’immeuble immediatement. • 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. For installation in: 1. Manufactured Homes 2. Park Models and Manufactured Buildings 3. Modular Homes/Buildings ! WARNING: Should overheating occur, or the gas supply fail to shut off, shut off the manual gas valve to the appliance before shutting off the electrical supply. Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information consult a qualified installer, service agency or the gas supplier. BW Models BWT Models 2 TABLE OF CONTENTS General ...................................................... 4 Unit Dimensions .................................. 4 Shipping Weights................................ 4 Furnace Specification ........................ 4 Air Flow Data ..................................... 4 Owner's Information ................................ 5 Installation Requirements ...................... 6 Location .............................................. 7 Clearance ........................................... 7 Circulating Air Supply ............................ 7 Return Air Provisions .............................. 8 Air Distribution Systems ........................ 9 Duct Connector Selection .................... 10 Duct Installation .................................... 10 Venting and Combustion Air Requirements ........................... 13 Venting Requirements .......................... 14 Vent Table ........................................ 15 Vent Pipe Material ............................ 16 Vent Pipe Length and Diameter ....... 16 Vent Pipe Installation ........................ 16 Pipe Routing & Support .................... 16 Location of Outdoor Termination ..... 16 Horizontal Venting ............................ 18 Vertical Venting ................................ 18 Vent Freezing Protection ................. 19 Concentric Vent Termination ........... 19 Drainage of Condensate From Furnace ................................ 19 Gas Supply and Piping ......................... 20 Leak Check ....................................... 21 High Altitude Derate ......................... 21 Pressure Switch .............................. 21 Conversion .............................................. 21 Lighting and Adjustment of the Appliance .............................. 23 Electrical Wiring ...................................... 24 Line Voltage Wiring ........................... 24 Low Voltage Wiring ........................... 26 Ventilation ................................................ 26 Start-up and Adjustment ........................ 26 Start-Up Procedure ........................... 26 Shut Down Procedure ....................... 27 Verifying and Adjusting Firing Rate ... 27 Temperature Rise ............................. 27 Verifying and Adjusting Verifying Burner Operation.............. 28 Verifying Operation of the Supply Air Limit Switch ................. 28 Description of Components ................ 29 Furnace Accessories ............................. 29 Maintenance ........................................... 29 Combustion Air and Vent System .... 29 Air Filter(s) ....................................... 29 Lubrication ........................................ 30 Condensate Drain Assembly ........... 30 Blower Compartment ....................... 30 Heat Exchanger and Burner Maintenance .................................. 30 System Operation Information ............. 30 Sequence of Operation .................... 30 Furnace Fails to Operate ................. 31 Location o...