Assessments - 4, GPA: 3.3
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Install the vent adaptor and intake adaptor on the boiler. BWC070, 090, 120, 151 - If the CPVC/PVC vent/intake adaptor is not factory installed, install the vent/intakeadaptor as shown in Figure 1.17. a. If the boiler has been supplied with a different vent adaptor, remove the six #10 sheet metal screws which attach it to the boiler. Remove the old adaptor from the boiler (this may be easier if a twisting motion is applied to the collar while removing it). b. Attach the self adhesive gasket supplied with the stainless steel vent/intake adaptor to the bottom of theadaptor. c. Lubricate the brown gasket in the female end of the plastic vent stub (inside the boiler) with a few drops of water. d. Push the vent/intake adaptor onto the boiler with a slight twisting motion. Make sure that this vent adaptoris inserted at least 1” into the boiler stub. e. Secure the collar flange to the top of the boiler with the (6) #10 x 1/2” sheet metal screws supplied with thevent kit or those removed in Step (a). f. Verify that the silicone gas sample cap is in place (Figure 1.17). BWC150, 225 - Install the vent and air inlet adaptors as shown in Figure 1.18. a. Remove the hose clamp shipped on the BWC150 or 225 vent collar. b. Bend the three hose clamp tabs on this collar outward slightly. c. Clean the exterior of the male end of the CPVC adaptor with an alcohol pad. d. Apply a .” wide bead of high temperature silicone approximately . inch from the male end of the adaptor. Also apply a .” bead of silicone along the first 2 .” of the longitudinal weld. e. Insert the male end of the adaptor into the boiler vent collar until it bottoms out. f. Apply an additional bead of silicone over the outside of the joint and smooth out. g. Replace and tighten the clamp on the vent collar. h. Verify that the silicone gas sample cap is in place (Figure 1.18). i. Attach the 1/2” ID Clear tubing provided to the condensate drain connection (Upper 1/2” tube) as shown inFigure 1.18. Secure with one of the hose clamps provided. j. Route the tubing down the right side panel and into the 1-3/8” knockout located in the lower portion of thispanel. Be sure to remove all burrs from the knockout to prevent the hose from being punctured. k. Remove the plug and black gasket ring from the bottom of the condensate trap located under the boiler(Figure 1.24) l. Replace the original gray trap plug with the white tapped plug. Screw the 90 degree hose barb provided intothis white plug (Figure 1.24). m. Attach the other end of the 1/2” ID tubing to the 90 degree hose barb and secure with the remaining hoseclamp (Figure 1.24). n. Slip the air inlet adaptor into the intake collar on the top of the boiler as shown in Figure 1.18. Secure withat least one #10 sheet metal screw. 14 FIGURE 1.17: INSTALLATION OF VENT/INTAKE ADAPTOR (BWC070/090/120/151) FIGURE 1.18: INSTALLATION OF VENT AND INTAKE ADAPTORS (BWC150/225) FIGURE 1.18: INSTALLATION OF VENT AND INTAKE ADAPTORS (BWC150/225) 15 FIGURE 1.19: INSTALLATION OF STANDARD HORIZONTAL TERMINALS 2. Assemble the vent system, starting at the boiler: a. The CPVC elbow and the 30” straight section of CPVC provided with the kit must be used beforetransitioning to PVC. If necessary, the 30” straight section of CPVC may be cut at any location and the CPVC elbow inserted between the two resulting segments. b. When cutting CPVC or PVC pipe, use a miter saw or a saw designed to cut PVC pipe. Use a miter box orother method to cut pipe squarely. De-burr both the inside and outside of the cut end. c. Dry fit all vent components before assembly. d. Lubricate the gasket in the vent adaptor with water. Insert the first straight section of CPVC into the vent adaptor and tighten the hose clamp. e. Clean all CPVC and PVC components with the appropriate primer before cementing. Cement the ventsystem together, starting at the boiler and following the instructions provided on the cans of cement and primer. Use the cement provided with the kit to assemble all CPVC components and to make all connections between CPVC and PVC components. If additional cement/primer is needed, use cement/ primer that are designed for use with the plastics being joined (CPVC and/or PVC). f. Depending on the layout of the vent system, the first piece of PVC vent will be connected to either theCPVC elbow or the end of a section of CPVC pipe. In the latter case, use a PVC coupling to connect the first piece of PVC to the last section of CPVC. g. Assemble the rest of the vent system, being sure to pitch horizontal sections back towards the boiler 1/4”/ft. Support the vent at intervals not exceeding 4ft. h. Maintain the clearances from the vent pipe outlined in Part A of this manual. If exiting the exterior wall using PVC pipe, use half of an appropriately sized wall thimble (or a sheet metal plate) on the exterior ofthe building, to provide a weather tight seal while maintaining the proper clearance in the wall penetration. Seal the joint between the pipe and the wall plat...
Este manual também é adequado para os modelos :Aquecedores de Água - BWC150 (3.79 mb)