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D E S I G N E D T O L E A D
BWC Series
BWC150/225 CONCENTRIC VENTING
INSTALLATION INSTRUCTIONS
These instructions must be affi xed on or adjacent to the boiler.
WARNING: Improper installation, adjustment, alteration,
Models:
service or maintenance can cause property damage, injury,
or loss of life. For assistance or additional information, con-
sult a qualifi ed installer, service agency or the gas supplier.
• BWC150
This boiler requires a special venti
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Table of Contents A. Concentric Vent System Design 2 B. Concentric Vent Adapter Kit Installation 9 C. Assembly of Crown Concentric Venting and Condensate Drain 11 1
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WARNING FAILURE TO VENT THIS BOILER IN ACCORDANCE WITH THESE INSTRUCTIONS COULD CAUSE FLUE GAS TO ENTER THE BUILDING RESULTING IN SEVERE PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH: * Do not attempt to vent this boiler with galvanized, PVC, or any other vent components not listed in Table 1.6. * Do not attempt to mix components from different approved vent systems. * Do not obtain combustion air from within the building. * Do not install a barometric damper or drafthood on this boiler. CAUTION
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Example: A 80/125mm concentric vent system is planned for a horizontally vented BWC150 which has the following components: Standard Radius 90° Elbow 5ft Straight Pipe Standard Radius 90° Elbow 1-1/2ft Straight Pipe 45° Elbow Uncut Terminal Section The Vent Option #3 column in Table 1.1 describes a horizontal direct vent system using 80/125mm concentric vent pipe. From this column, we see that a BWC150 may have a vent
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TABLE 1.1: SUMMARY OF HORIZONTAL VENTING OPTIONS VENT OPTION # 3 4 CLASSIFICATION USED IN THIS HORIZONTAL HORIZONTAL MANUAL CONCENTRIC CONCENTRIC ILLUSTRATED IN FIGURE 1.2 1.2 VENT PIPE PENETRATION WALL WALL THROUGH STRUCTURE AIR INTAKE PIPE PENETRATION WALL WALL THROUGH STRUCTURE VENT PIPE SIZE 80/125 mm 100/150 mm CONCENTRIC CONCENTRIC AIR INTAKE PIPE SIZE BWC150 55 BWC225 55 BWC150 55 BWC225 55 BWC150 2 BWC225 2 BWC150 2 BWC225 2 VENT TERMINAL Crown 230531 Crown 230569 CON
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FIGURE 1.2: HORIZONTAL CONCENTRIC VENTING (VENT OPTION 3,4) 6) Permitted Terminals for Vertical Venting - • Vent Option 8 - Use Crown PN 230532 with the appropriate fl ashing (Table 1.6a) • Vent Option 9 - Use Crown PN 230570 with the appropriate fl ashing (Table 1.6b) 7) Vertical Vent Terminal Locations (Vent Options 8,9) - Observe the following limitations on the location of all vertical vent terminals (see Figure 1.7): • The top of the vent pipe must be at least 2 feet above any ob
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FIGURE 1.3a: LOCATION OF VENT TERMINAL RELATIVE TO WINDOWS, DOORS, GRADE FIGURE 1.3b: LOCATION OF VENT TERMINAL RELATIVE TO METERS AND FORCED AIR INLETS FIGURE 1.3c: POSITIONING VENT TERMINAL UNDER OVERHANGS 6
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TABLE 1.4: VENT/ AIR INTAKE FITTING EQUIVALENT LENGTH VENT FITTING EQUIVALENT LENGTH (ft) 80/125mm 90° CONCENTRIC ELBOW 8.5 80/125mm 90° SWEEP CONCENTRIC ELBOW 5.5 80/125mm 45° CONCENTRIC ELBOW 3.0 80/125mm 90° CONCENTRIC SUPPORT ELBOW 8.5 100/150mm 90° SWEEP CONCENTRIC ELBOW 8.0 100/150mm 45° CONCENTRIC ELBOW 3.0 100/150mm 90° CONCENTRIC SUPPORT ELBOW 10.0 TABLE 1.5: SUMMARY OF VERTICAL VENTING OPTIONS VENT OPTION # 8 9 CLASSIFICATION USED IN THIS VERTICAL VERTICAL MANUAL CONCENTRIC CONCENTRI
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TABLE 1.6a: CROWN CONCENTRIC 80/125 VENT COMPONENTS (VENT OPTIONS 3,8) USED ON CROWN PN DESCRIPTION SIZE VENT COMMENTS OPTION # 230527 90 DEGREE EL (STANDARD) 80/125mm 3,8 230528 90 DEGREE EL (SWEEP) 80/125mm 3,8 230526 45 DEGREE EL 80/125mm 3,8 230517 19 1/2” STRAIGHT 80/125mm 3,8 CAN BE CUT 230515 39” STRAIGHT 80/125mm 3,8 CAN BE CUT 230518 39” STRAIGHT 80/125mm 3,8 MAY NOT BE CUT 230519 78” STRAIGHT 80/125mm 3,8 MAY NOT BE CUT 230525 TELESCOPING STRAIGHT 80/125mm 3,8 ADJUSTABLE FROM 12-1/2
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FIGURE 1.7: VERTICAL CONCENTRIC VENT SYSTEM (VENT OPTION 6) B. Concentric Vent Adapter Kit Installation 1) The Concentric Vent Adapter Kits include: P/N 230550 P/N 230555 Description (BWC150) (BWC225) 240470 240480 Rubber Gasket 240471 240481 Air Intake Box 90-054 90-054 #10 x 3/4” Sheet Metal Screws 240472 240482 Stainless Vent Adapter 230539 230575 Concentric Condensate Collector 240552 240552 Condensate Collector Adapter 240550 240550 Tapped Condensate Trap Plug 240560 240560 66”of 1/2” Cle
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e) On the male end of the stainless vent adapter, apply a ¼” wide bead of silicone approximately 1/2” from the end of the pipe. f) Insert the male end of the stainless vent adapter into the boiler vent collar until it bottoms out. g) Apply an additional bead of silicone over the outside of the joint and smooth out. h) Replace and tighten the clamp on the vent collar. i) Remove one (BWC150) or two (BWC225) of the #10 sheel metal screws on the top of the rear jacket panel
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C. Assembly of Crown Concentric Venting WARNING Failure to follow the instructions could result in fl ue gas leakage into the combustion air or indoor air, resulting in unsafe or unreliable operation. • Do not lubricate concentric gaskets with anything other than water. • Do not attempt to cut any piping except as permitted in this section. When cutting these sections, make sure all cuts are square and allow for proper insertion. • Do not attempt to try to mix this concentric pipe wit
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a) Determine the required length of the outer pipe. When doing this allow an additional 1” of length for insertion into the female end of the adjoining pipe. Mark the cut line on the outer pipe. b) Remove the plastic inner pipe by pulling it out from the female end. c) Cut the OUTER PIPE ONLY at the point marked in Step (a) using aviation shears, a hacksaw, or an abrasive wheel cutter. Be careful to cut the pipe square. De burr the cut end with a fi le or emery cloth. d) Make an insertion mar
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a) Start assembly of the vent system at the boiler. Lubricate the brown gasket in the boiler vent collar with a few drops of water. b) Push the male end of the fi rst fi tting into the boiler collar until it bottoms out. The male end of cuttable sections should go 1” into the collar until the insertion mark (made in Step 2d above) is covered. On other fi ttings, the bead on the male pipe will bottom out on the collar (Figure 1.11b). c) The male end of cuttable fi ttings must be held to the col
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a) Cut a 5-1/2” diameter hole through the exterior wall at the planned location of the horizontal terminal. b) Measure distance “L” from the outside surface of the exterior wall to the end of the last fi tting as shown in Figure 1.12a. c) Add 1-1/4” to distance “L”. Carefully mark this length on the pipe as shown in Figure 1.12b. d) Remove the aluminum inner pipe from the terminal, by gently pulling on it from the male end. Set aside. e) Cut the outer pipe only at the point marked in Step (c) u
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FIGURE 1.12c: CUTTING INNER PIPE OF HORIZONTAL TERMINAL FIGURE 1.12d: COMPLETING HORIZONTAL TERMINAL INSTALLATION 15
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6) Vertical Terminal Installation - In addition to the vertical terminal, either a Flat Roof Flashing (80/125 PN 230533, 100/150 PN 230571) or Sloped Roof Flashing (80/125 PN 230535, 100/150 PN 230572) is required for this installation. a) Determine the center line of the terminal location on the roof. If the roof is fl at, cut a 5-1/2” diameter hole for the 80/125 terminal and a 6-1/2” diameter hole for the 100/150 terminal. If the roof is sloped, cut a hole large enough for the termi
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FIGURE 1.13b: CUTTING VERTICAL TERMINAL FIGURE 1.13c: COMPLETING VERTICAL TERMINAL INSTALLATION 17
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WARNING • Do not attempt to construct a vertical vent system inside a chimney that is used to vent a fi replace or other appliances. • Do not attempt to construct a vertical vent system inside a chimney fl ue adjacent to another fl ue used by a fi replace or other appliances. FIGURE 1.14: CHIMNEY CHASE INSTALLATION 18
