Lennox International Inc. Direct-Vent Gas Furnace User Manual


 
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Table of Contents
Cautions & safety ..................................................................................... 3
orifiCe size / altitude adjustment .................................................................... 4
fireplaCe requirements ................................................................................ 4
Codes & approvals..................................................................................... 4
requirements for the Commonwealth of massaChusetts ........................................ 5
pre-installation ......................................................................................6-8
features ............................................................................................ 6
paCkaging list ..................................................................................... 6
ratings ............................................................................................. 6
insert & fireplaCe dimensions .................................................................... 7
ClearanCes to Combustibles ....................................................................... 8
insert leveling ..................................................................................... 8
installation ......................................................................................... 9-11
venting installation ............................................................................... 9
zero ClearanCe fireplaCe installation ...........................................................10
log set installation ..............................................................................10
surround panels installation ....................................................................11
faCe installation ..................................................................................11
gas line installation ..................................................................................12
gas pressure requirements ......................................................................12
lp & natural gas supplies ......................................................................12
air shutter adjustment ..........................................................................12-13
operating instruCtions ............................................................................13-16
pre-lighting CheCklist ...........................................................................13
lighting instruCtions .............................................................................13
flame Color & behavior ..........................................................................14
paint Curing ......................................................................................15
quiet operation ...................................................................................15
blower operation .................................................................................15
operating options ................................................................................16
millivolt Control system ........................................................................16
maintenanCe & serviCing..........................................................................17-18
maintenanCe CheCklist ............................................................................17
glass maintenanCe ................................................................................17
door removal .....................................................................................18
fuel Conversion ..................................................................................18
blower removal ..................................................................................18
troubleshooting .......................................................................................19
replaCement parts ....................................................................................20
insert labels ......................................................................................21-22
produCt referenCe information .......................................................................23