To The Installer.............................................................................4
Leveling ........................................................................................9
Drain Pan......................................................................................9
Freeze Protection .........................................................................9
Vent/Flue Pipe ............................................................................11
Side Wall Vent Kit.......................................................................20
Wiring Harness ...........................................................................23
2
Table of Contents
Gas Control Valve.......................................................................27
Gas Piping Checks.....................................................................29
Ductwork-Airflow .....................................................................31
Ductwork ....................................................................................32
Drain Trap Priming......................................................................33
Furnace Operation......................................................................33
Furnace Start-up ........................................................................33
Furnace Shutdown .....................................................................34
Temperature Rise .......................................................................36
Power Up....................................................................................39
Heating Mode.............................................................................39
Cooling Mode .............................................................................39
Fan Only Mode ...........................................................................40
Pressure Switches......................................................................40
Flame Sensor..............................................................................40
MAINTENANCE ............................................................................41
Annual Inspection.......................................................................41
Filters ..........................................................................................41
Burners .......................................................................................41
TROUBLESHOOTING ..................................................................42
Fault Recall .................................................................................42
Status Codes..............................................................................43
Diagnostic Chart.........................................................................43
WIRING DIAGRAM .......................................................................50