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Crown Boiler BWC090, BWC120, BWC070 installation manual

Models: BWC120 BWC070 BWC090

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BWC070, BWC090, BWC120

Installation Manual Supplement

June 12th, 2007

The following pages are copied from the latest edition of the installation manual for the above boilers, which is not yet in print. These pages cover new vent options that have been added for these boilers and which are not shown in the current manual. These options include:

1)80/125mm concentric venting may be used to achieve longer vent runs.

2)80/125mm concentric venting may be used for vertical vent applications.

3)An 80/125mm concentric snorkel kit is now offered.

4)Metal-Fab “Corr/Guard” may now be used for stainless steel vent applications.

Refer to the installation manual supplied with the boiler for important warnings and other information not covered in this supplement.

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Crown Boiler installation manual BWC070, BWC090, BWC120 Installation Manual Supplement June 12th

Contents

BWC070, BWC090, BWC120 Installation Manual Supplement June 12th VII Venting A. Vent System DesignExample Do not install the vent terminal directly over windows or doors90 elbow 1-1/2ft Straight Pipe 45Elbow Uncut Terminal Section supplied with the boilerHorizontal Terminal Clearance Requirements continued FIGURE 7.3 HORIZONTAL TWIN PIPE VENTING VENT OPTION FIGURE 7.2 HORIZONTAL CONCENTRIC VENTING VENT OPTION 1,3TABLE 7.4b CROWN CONCENTRIC 80/125 VENT COMPONENTS VENT OPTIONS 3,6 TABLE 7.4a CROWN CONCENTRIC 60/100 VENT COMPONENTS VENT OPTIONAND PRINCIPLE VENT COMPONENTS VENT OPTIONS 2 TABLE 7.5 PERMISSIBLE STAINLESS STEEL VENT SYSTEMSFIGURE 7.6c POSITIONING VENT TERMINAL UNDER OVERHANGS Pitch Crown horizontal concentric venting 5/8” per foot FIGURE 7.7 SNORKEL TERMINAL CONFIGURATIONPitch Stainless steel venting 1/4” per foot TABLE 7.9 SUMMARY OF VERTICAL VENTING OPTIONS TABLE 7.8 VENT/ AIR INTAKE FITTING EQUIVALENT LENGTHFIGURE 7.11 VERTICAL CONCENTRIC VENT SYSTEM VENT OPTION FIGURE 7.10 VERTICAL TWIN PIPE VENT SYSTEM VENT OPTIONB. Removing an Existing Boiler From a Common Chimney IMPORTANT - Skip to Section D for 80/125mm Concentric Vent Assembly C. Assembly of Crown 60/100mm Concentric VentingFIGURE 7.21 DIMENSION “L” FIGURE 7.22 CUTTING OUTER PIPE d Reinstall the inner pipeFIGURE 7.23 CUTTING INNER PIPE FIGURE 7.25 ATTACHING 60/100mm TERMINAL SECTION IMPORTANT - See Section C for 60/100mm Concentric Vent Assembly D. Assembly of Crown 80/125mm Concentric Ventingb Remove the plastic inner pipe by pulling it out from the female end f Reinstall the inner piped Make an insertion mark 1” from the male end of the outer pipe FIGURE 7.31 CUTTING STRAIGHT PIPEFIGURE 7.32a JOINING CUTTABLE PIPE 3 Joining PipeFIGURE 7.32b JOINING NON CUTTABLE PIPE FIGURE 7.33a DIMENSION “L”, 80/125mm HORIZONTAL TERMINAL 4 80/125mm Horizontal Terminal InstallationFIGURE 7.33b CUTTING OUTER PIPE OF 80/125mm HORIZONTAL TERMINAL FIGURE 7.33c CUTTING INNER PIPE OF 80/125mm HORIZONTAL TERMINAL FIGURE 7.33d COMPLETING 80/125mm HORIZONTAL TERMINAL INSTALLATIONKey # FIGURE 7.34 INSTALLATION OF SNORKEL TERMINAL230541 Support Elbowi Attach the Exhaust Terminal to the Terminal Elbow Figure FIGURE 7.35a DIMENSION “H”FIGURE 7.35b CUTTING VERTICAL TERMINAL FIGURE 7.35c COMPLETING VERTICAL TERMINAL INSTALLATIONFIGURE 7.36 CHIMNEY CHASE INSTALLATION E. Assembly of Stainless Steel Venting a Corr/Guard General Notes Do not cut Corr/Guard vent components 3 Assembly of Metal-Fab Corr/Guard Vent Systemg Replace and tighten the clamp on the vent collar FIGURE 7.47 CORR/GUARD CONNECTION TO VENT COLLAR