93% CONVERTIBLE MULTISPEED GAS FURNACEINSTALLATION INSTRUCTIONSTable of ContentsGAS FURNACE SAFETY................................................................2INSTALLATION REQUIREMENTS ................................................3Tools and Parts ............................................................................4Component Identification.............................................................4Electrostatic Discharge (ESD) ......................................................5Location Requirements................................................................5Installation Configurations ...........................................................7Ductwork Requirements ..............................................................8Electrical Requirements ...............................................................9Gas Supply Requirements ...........................................................9Venting Requirements..................................................................9INSTALLATION INSTRUCTIONS ................................................11Inspect Shipment .......................................................................11Plan Vent System .......................................................................12Determine Vent Pipe Direction...................................................14Connect Venting.........................................................................22Install Condensate Condensate Drain Lines and Drain Trap—Standard Vent/Flue Drain Hose Connections............................23Install Condensate Condensate Drain Lines and Drain Trap—Alternate Vent/Flue Drain Hose Connections............................24Install Ductwork..........................................................................26Filter Specifications....................................................................26Make Electrical Connections .....................................................27Make Gas Connections..............................................................28Check the Furnace Input Rate ...................................................33Adjust the Furnace Input Rate ...................................................33Complete Installation..................................................................34Furnace Shut Down....................................................................34SEQUENCE OF OPERATION ......................................................35Power Up....................................................................................35Heating Mode—Mode DIP Switch Set to 1 STG Position.........35Heating Mode—Mode DIP Switch Set to 2 STG Position.........35Cooling Mode .............................................................................35Fan Only Mode ...........................................................................36CIRCUIT/SWITCH DESCRIPTIONS............................................36Integrated Control Module .........................................................36Primary Limit Switch ..................................................................36Auxiliary Limit Switches..............................................................36Rollout Limit Switches................................................................36Pressure Switches......................................................................36Flame Sensor..............................................................................36Circulator Blower Speeds ..........................................................36115-Volt Line Connection of Accessories—Electronic Air Cleaner.................................................................37MAINTENANCE ............................................................................37Resetting from Lockout..............................................................37Annual Inspection.......................................................................37Filters ..........................................................................................37Repair and Replacement Parts ..................................................38TROUBLESHOOTING ..................................................................39ASSISTANCE OR SERVICE .........................................................42Accessories ................................................................................42WPIO-299FWhirlpool ® Home Cooling and Heating14610 Breakers DriveJacksonville, Florida 32258Whirlpool Gold® ModelWFD193ATTENTION INSTALLATION PERSONNELAs a professional installer, you have an obligation to know the product better than the customer. This includes allsafety precautions and related items. Prior to actual installation, thoroughly familiarize yourself with this instructionmanual. Pay special attention to all safety warnings. Often during installation or repair, it is possible to placeyourself in a position which is more hazardous than when the unit is in operations.Remember, it is your responsibility to install the product safely and to know it well enough to be able to instruct acustomer in its safe use. Safety is a matter of common sense...a matter of thinking before acting. Most dealers havea list of specific good safety practices...follow them.The precautions listed in this installation manual are intended as supplemental to existing practices. However, ifthere is a direct conflict between existing practices and the content of this manual, the precautions listed here takeprecedence.bar code