Quadra-Fire CASTILE-CWL-B Owner's Manual

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Quadra-Fire CASTILE-CWL-B Owner's Manual Manual pdf 12 page image

Page 127021-130E November 13, 2013Castile-B FS Pellet StoveImproper installation, adjustment, alteration, service ormaintenance can cause injury or property damage. Referto the owner’s information manual provided with this appli-ance. For assistance or additional information consult aqualified installer, service agency or your dealer.WARNING3 in. or 4 in. (76mm or 102mm) Diameter PipeEquivalent PipeLength In FeetALTITUDE IN THOUSANDS OF FEET020301 2 3 4 5 6 7 8 9 104 in. (102mm) Diameter Pipe Only10Example 1Example 2The chart will help you in determing proper vent-ing size according to the equivalent feet of pipecalcuated above and the altitude above sea levelof this installation. See Figure 12.2.Locate the calculated equivalent feet of pipe onthe vertical left side of the chart. Move to theright horizontally on the chart until you reachyour altitude above sea level.If you fall below the diagonal line, 3 or 4 inch (76to 102mm) pipe may be used. If it is anywhereabove the diagonal line, a 4 inch (102mm) diam-eter pipe is required.The chart reveals that a 90° elbow is 5 times asrestrictive to the flow of exhaust gases underpositive pressure as 1 foot of horizontal pipe, anda foot of horizontal pipe is twice as restrictive asa foot of vertical pipe.D. Pipe Selection ChartThe table below can help you calculate the equivalent feetof pipe which is a method used to determine pellet vent size.Figure 12.1C. Equivalent Feet of Pipe2 ft.2 ft.3 ft.2 ft.Example of 3 Elbow-Rear Vent Termination CalculatonFigure 12.1Figure 12.2Pellet VentingComponent# ofElbowsFeet ofPipeMultipledByEquivalentFeetComponentsEquivalent Feet90o Elbow or Tee 3 X 5 1545o Elbow X 3Horizontal Pipe 7 X 1 7Vertical Pipe 2 X 0.5 1Total Equivalent Feet 23Note: This is a generic example and is notintended to represent any specific fuel type.Example 1: If the equivalent length of pipe is 23 feet (7m) with altitudeof 8,000 feet (2438m) you must use 4 inch (102mm) diameter type “L”or “PL” vent.Example 2: If the equivalent length of pipe is 12 feet (3.7m) with altitudeof 6,000 feet (1829m) you may use 3 or 4 inch (76 to 102mm) diametertype “L” or “PL” vent