Installation, Start---up, Operating andService and Maintenance Instructions58CU0A4---Way Multipoise, Ultra Low NOxCommunicating, 80% AFUE Gas FurnaceInput Capacities: 40,000 thru 100,000 BtuhSAFETY CONSIDERATIONS 2. . . . . . . . . . . . . . . . . . . . . . . .INTRODUCTION 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CODES AND STANDARDS 4. . . . . . . . . . . . . . . . . . . . . . .SAFETY 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GENERAL INSTALLATION 4. . . . . . . . . . . . . . . . . . . . . .COMBUSTION AND VENTILATION AIR 4. . . . . . . . . . .DUCT SYSTEMS 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ACOUSTICAL LINING AND FIBROUS GLASS DUCT 4GAS PIPING AND GAS PIPE PRESSURE TESTING 4. . .ELECTRICAL CONNECTIONS 4. . . . . . . . . . . . . . . . . . .VENTING 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ELECTROSTATIC DISCHARGEPRECAUTIONS PROCEDURE 4. . . . . . . . . . . . . . . . . . . . . . .LOCATION 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SAFETY CONSIDERATIONS 7. . . . . . . . . . . . . . . . . . . . . . . .AIR FOR COMBUSTION AND VENTILATION 7. . . . . . . . . .INSTALLATION 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .UPFLOW INSTALLATION 9. . . . . . . . . . . . . . . . . . . . . . .DOWNFLOW INSTALLATION 9. . . . . . . . . . . . . . . . . . . .HORIZONTAL INSTALLATION 10. . . . . . . . . . . . . . . . . .AIR DUCTS 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GAS PIPING 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ELECTRICAL CONNECTIONS 15. . . . . . . . . . . . . . . . . .115--V WIRING 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J--BOX RELOCATION 16. . . . . . . . . . . . . . . . . . . . . . . . . .24--V WIRING 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ACCESSORIES 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VENTING 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MASONRY CHIMNEY REQUIREMENTS 20. . . . . . . . . .APPLIANCE APPLICATION REQUIREMENTS 21. . . . .ADDITIONAL VENTING REQUIREMENTS 23. . . . . . . .SIDEWALL VENTING 23. . . . . . . . . . . . . . . . . . . . . . . . . .START--UP, ADJUSTMENT, AND SAFETY CHECK 25. . . . .GENERAL 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .START--UP PROCEDURES 25. . . . . . . . . . . . . . . . . . . . . .ADJUSTMENTS 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FURNACE SETUP SWITCHES 26. . . . . . . . . . . . . . . . . . .AIR DELIVERY -- CFM 30. . . . . . . . . . . . . . . . . . . . . . . . .COOLING OR CONTINUOUS AIRFLOW 32. . . . . . . . . .CHECK SAFETY CONTROLS 32. . . . . . . . . . . . . . . . . . .CHECKLIST 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SERVICE AND MAINTENANCE PROCEDURES 35. . . . . . .ELECTRICAL CONTROLS AND WIRING 35. . . . . . . . .CARE AND MAINTENANCE 36. . . . . . . . . . . . . . . . . . . .COMPONENT TEST 36. . . . . . . . . . . . . . . . . . . . . . . . . . .CLEANING AND/OR REPLACING AIR FILTER 37.BLOWER MOTOR AND WHEEL 37. . . . . . . . . . . . . .FLAME SENSOR CLEANING AND SERVICING 38.CLEANING HEAT EXCHANGER 39. . . . . . . . . . . . . .SEQUENCE OF OPERATION 40. . . . . . . . . . . . . . . . . . . .WIRING DIAGRAMS 43. . . . . . . . . . . . . . . . . . . . . . . . . . .PARTS REPLACEMENT INFORMATION GUIDE 44. . . .Approved for installations up to 5000 feet (1524 meters)NOTE: Read the entire instruction manual before starting theinstallation.Portions of the text and tables are reprinted from current editionof NFPA 54/ANSI Z223.1E, with permission of National FireProtection Association, Quincy, MA 02269 and American GasAssociation, Washington DC 20001. This reprinted material isnot the complete and official position of the NFPA or ANSI onthe referenced subject, which is represented only by the standardin its entirety.