Owner`s manual

29843-5-1012Page 16
EXAMPLE A:
Iftheverticaldimensionfromthetopoftheunitis35ft.(10.67m),the
horizontalruntotheouterwallangemustnotexceed5ft(1.52m).
EXAMPLE B:
Iftheverticaldimensionfromthetopoftheunitis5ft.(1.52m),the
horizontalruntotheouterwallangemustnotexceed11ft.(3.35m).
Special Note: Foreach45degreeelbowinstalledinthehorizontal
run, the length of the horizontal run MUST be reduced by 18"
(45cm).Thisdoesnotapplyifthe45degreeelbowsareinstalled
ontheverticalpartoftheventsystem.Reduce3ft.(91.4cm)for
every90°elbow.
Example:Accordingtothechartthemaximumhorizontalventlength
is20ft.(6.10m)andiftwo45degreeelbowsarerequiredinthe
horizontalventitmustbereducedto17ft.(5.18m).
The maximum number of 45 degree elbows permitted per side
wallinstallationistwo.Theseelbowscanbeinstalledineitherthe
verticalorhorizontalrun.
NOTE:Therstelbowdoesnotgetcounted.
Vertical Venting
Whenventinglongstraightverticalsections,useoftheverticalvent
bafesmayberequiredforoptimalameperformance.
Toinstallverticalventbafes,alignthetwoholesonthevertical
ventbafewiththetwoholesintheuebafe.Securethevertical
ventbafewiththescrewsprovided.Repeatforbothsidesofthe
uebafe.
Figure 22
VENTING FIREPLACE
To Use the Vent Graph
1. Determinetheheightofthecenterofthehorizontalventpipe.
Usingthisdimensiononthe Sidewall Vent Graph, locate the
pointitintersectswiththeslantedgraphline.
2. Fromthepointofthisintersection,drawaverticalline tothe
bottomofthegraph.
3. Selecttheindicateddimension,andpositiontheunitinaccordance
withsame.
 Acceptableverticalandhorizontalventrun.
 (40ft.(12.19m)maximumverticaland20ft.(6.10m)maximum
horizontal)
 Unacceptableverticalandhorizontalventrun.
Figure 21