To The Installer.............................................................................5
Wiring Harness ...........................................................................13
Ductwork-Airflow .....................................................................20
Ductwork ....................................................................................20
Furnace Operation .....................................................................21
Furnace Start-Up .......................................................................21
2
Table of Contents
Furnace Shutdown .....................................................................21
Temperature Rise .......................................................................24
Power Up....................................................................................27
Heating Mode.............................................................................27
Cooling Mode .............................................................................27
Fan Only Mode ...........................................................................28
Pressure Switches......................................................................28
Flame Sensor..............................................................................28
MAINTENANCE ............................................................................29
Annual Inspection.......................................................................29
Filters ..........................................................................................29
Burners .......................................................................................29
TROUBLESHOOTING ..................................................................30
Fault Recall .................................................................................30
Status Codes..............................................................................31
Diagnostic Chart.........................................................................31
WIRING DIAGRAM .......................................................................38