From inside (document excerpt):
58DLA/DLX Single Stage Deluxe, Induced Combustion 4 Way Multipoise Gas Furnace Installation, Start up, Operating and Service and Maintenance Instructions Series 140/E SAFETY CONSIDERATIONS 2 INTRODUCTION 4 CODES AND STANDARDS 5 Safety 5 General Installation . 5 Combustion and Ventilation Air . 5 Duct Systems . 5 Acoustical Lining and Fibrous Glass Duct . 5 Gas Piping and Gas Pipe Pressure Testing .
5 Electrical Connections 5 Venting . 5 ELECTROSTATIC DISCHARGE PRECAUTIONS PROCEDURE . 5 LOCATION . 6 INSTALLATION 11 Upflow Installation 11 Downflow Installation . 11 Horizontal Installation . 13 Filter Arrangement 14 Air Ducts . 14 Gas Piping 17 115- Wiring 22 -V J-Box Relocation 23 Electrical Connection to J-Box . 23 Electrical Box on Furnace Casing Side . 23 Power Cord Installation in Furnace J-Box 23 BX Cable Installation in Furnace J-Box 23 24- Wiring . 24 -V Accessories Venting . 28 General Venting Requirements . 28 Masonry Chimney Requirements . 28 Appliance Application Requirements 29 Additional Venting Requirements . 31 Sidewall Venting 31 Use of the AHRI Certified TM Mark indicates a manufacturer’s participation in the program. For verification of certification for individual products, go to www.ahridirectory.org. ER TIFIE START-UP, ADJUSTMENT, AND SAFETY CHECK . 36 General . 36 Start- Procedures . 36 -up Adjustments . 36 Check Safety Controls . 39 Checklist 39 SERVICE AND MAINTENANCE PROCEDURES . 45 Introduction . 45 Electrical Controls and Wiring . 45 Care and Maintenance . 46 Cleaning and/or Replacing Filter . 46 Sequence of Operation . 50 Blower Motor and Wheel . 46 Cleaning Heat Exchanger . 47 Sequence of Operation . 49 Wiring Diagrams . 50 Troubleshooting 50 Accessory List . 54 PARTS REPLACEMENT INFORMATION GUIDE . 55 DE S I GN ISO 9001:2000 Always Ask For NOTE: Read the entire instruction manual before starting the installation. Portions of the text and tables are reprinted from NFPA 54/ANSI Z223.1-2009E, with permission of National Fire Protection Association, Quincy, MA 02269 and American Gas Association, Washington DC 20001. This reprinted material is not the D REGISTERED C complete and official position of the NFPA or ANSI on the referenced subject, which is represented only by the standard in its entirety. SAFETY CONSIDERATIONS ! WARNING FIRE, EXPLOSION, ELECTRICAL SHOCK, AND CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in dangerous operation, serious injury, death, or property damage. Improper installation, adjustment, alteration, service, maintenance, or use could cause carbon monoxide poisoning, explosion, fire, electrical shock, or other conditions which may cause personal injury or property damage. Consult a qualified service agency, local gas supplier, or your distributor or branch for information or assistance. The qualified service agency must use only factory-authorized and listed kits or accessories when modifying this product. ! CAUTION FURNACE RELIABILITY HAZARD Improper installation or misapplication of furnace may require excessive servicing or cause premature component failure. Application of this furnace should be indoors with special attention given to vent sizing and material, gas input rate, air temperature rise, unit leveling, and unit sizing.