3
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION ................................................................................... 4
GAS SUPPLY & PIPING ..............................................................................................................................................4
FILTER .........................................................................................................................................................................4
FLOOD DAMAGE.........................................................................................................................................................4
VENTING SYSTEM ...................................................................................................................................................... 5
SOURCES OF CORROSION .......................................................................................................................................5
CLEARANCES TO COMBUSTIBLES ..........................................................................................................................5
IMPORTANT SAFETY INFORMATION ................................................................................... 5
ABOUT THE FURNACE .......................................................................................................... 6
INTRODUCTION ..........................................................................................................................................................6
CATEGORY I (NON-CONDENSING) FURNACES .................................................................................................. 6
CATEGORY IV (CONDENSING) FURNACES ......................................................................................................... 6
FILTER .........................................................................................................................................................................6
THERMOSTAT ............................................................................................................................................................. 6
FURNACE LOCATION ................................................................................................................................................. 6
COMPONENT LOCATIONS FOR NON-CONDENSING TYPE FURNACES ..............................................................7
COMPONENT LOCATIONS FOR CONDENSING TYPE FURNACES .......................................................................8
STARTUP & SHUTDOWN ....................................................................................................... 10
STARTING THE FURNACE ......................................................................................................................................... 10
SHUTTING DOWN THE FURNACE ............................................................................................................................10
TROUBLESHOOTING ............................................................................................................. 10
MAINTENANCE & INSPECTION ............................................................................................ 11
FURNACE & AIR DUCTS ............................................................................................................................................11
VENTING SYSTEM ...................................................................................................................................................... 11
BLOWER & FILTER .....................................................................................................................................................11
BURNER OPERATION ................................................................................................................................................11
NEW CONSTRUCTION ...............................................................................................................................................11