2
IMPORTANT SAFETY INFORMATION .......................3
GAS SUPPLY & PIPING ..........................................3
VENTING SYSTEM ..................................................3
FILTER .....................................................................4
CLEARANCES TO COMBUSTIBLES ......................4
SOURCES OF CORROSION ...................................4
FLOOD DAMAGE .....................................................4
ABOUT THE FURNACE ..............................................5
INTRODUCTION ......................................................5
CATEGORY IV (CONDENSING) FURNACES .......5
FILTER .....................................................................5
FURNACE LOCATION .............................................5
TROUBLESHOOTING .................................................5
COMPONENT LOCATIONS ........................................6
STARTUP & SHUTDOWN ...........................................7
STARTING THE FURNACE .....................................7
SHUTTING DOWN THE FURNACE ........................7
MAINTENANCE & INSPECTION ................................7
FURNACE & AIR DUCTS ........................................7
VENTING SYSTEM ..................................................7
BLOWER & FILTER .................................................7
BURNER OPERATION ............................................7
NEW CONSTRUCTION ...........................................7
