valutazioni - 3, GPA: 4.7
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EXHAUST VENT INTAKE AIR Side View FIGURE 30 DIRECT VENT CONCENTRIC ROOFTOP TERMINATION 71M80, 69M29 or 60L46 (US) 44W92 or 44W93 (Canada) Minimum Above Average Snow Accumulation SHEET METAL STRAP (Clamp and sheet metal strap must be field installed to support the weight of the termination kit.) FLASHING (Not Furnished) CLAMP FIELD.PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 1 1/2" (38mm) accelerator provided on 71M80 & 44W92 12” (305mm) INTAKE AIR EXHAUST VENT VENT INTAKE AIR Front View (457mm) 12" (305mm) Min. above grade or average snow Inches (mm) accumulation. optional intake elbow FIGURE 32 12" (305mm) Min. above grade or average snow accumulation. FIGURE 31 DIRECT VENT CONCENTRIC WALL TERMINATION 71M80, 69M29 or 60L46 (US) 44W92 or 44W93 (Canada) INTAKE AIR INTAKE AIRINTAKE AIR OUTSIDE WALL GRADE CLAMP (Not Furnished) FIELD.PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION EXHAUST VENT 1.1/2" (38mm) accelerator provided on 71M80 & 44W92 EXHAUST VENT DIRECT VENT APPLICATION USING EXISTING CHIMNEY Minimum 12" (305MM) above chimney top plate or average snow accumulation *SIZE TERMINATION PIPE PER TABLE 6. 3" . 8" (76mm. 203mm) STRAIGHT.CUT OR ANGLE.CUT IN DIRECTION OF ROOF SLOPE * EXHAUST VENT 1/2" (13mm) WEATHERPROOF INSULATION SHOULDER OF FITTINGS PROVIDE SUPPORT OF PIPE ON TOP PLATE ALTERNATE INTAKE PIPE INTAKE PIPE INSULATION (optional) EXTERIOR PORTION OF CHIMNEY INSULATE TO FORM SEAL SHEET METAL TOP PLATE 8" . 12" (203mm . 305mm) 3".8" (76mm.203mm) NOTE . Do not discharge exhaust gases directly into any chimney or vent st ack. If vertical discharge through an existing unused chimney or stack is required, insert piping inside chimney until the pipe open end is above top of chimney and terminate as illustrated. In any exterior portion of chimney, the exhaust vent must be insulated. FIGURE 33 Page 24 of 48 Issue 1109 506725-01 Details of Exhaust Piping Terminations for Non-Direct Vent Applications Exhaust pipe may be routed either horizontally through an outside wall or vertically through the roof. In attic or closet installations, vertical termination through the roof is preferred. Figures 34 through 37 show typical terminations. 1. Exhaust piping must terminate straight out or up as shown. The termination pipe must be sized as listed in Table 8. The specified pipe size ensures proper velocity required to move the exhaust gases away from the building. 2. On field supplied terminations for side wall exit, exhaust piping may extend a maximum of 12 inches (305 mm) for 2” PVC and 20” (508 mm) for 3” (76 mm) PVC beyond the outside wall. See Figure 35. 3. If exhaust piping must be run up a sidewall to position above snow accumulation or other obstructions, piping must be supported every 24” (610 mm) as shown in Figure 36. When exhaust piping must be run up an outside wall, any reduction in exhaust pipe size must be done after the final elbow. FIGURE 36 12" (305mm) ABOVE GRADE OR AVERAGE SNOW ACCUMULATION UNCONDITIONED SPACE 1/2" (13mm) FOAM INSULATION (IF REQUIRED) 1/2" (13mm) FOAM INSULATION IN UNCONDITIONED SPACE (IF REQUIRED) *WALL SUPPORT OUTSIDE WALL SIZE TER- MINATION PIPE PER TABLE 8. FIELD.PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION *Use wall support every 24" (610). Use two supports if extension is greater than 24" but less than 48". 12" (305mm) MAX. for 2" (51mm) 20" (508mm) MAX. for 3" (76mm) NON.DIRECT VENT FIELD SUPPLIED WALL 6" (152mm) Max TERMINATION EXTENDED FIGURE 34 NON.DIRECT VENT ROOF TERMINATION KIT (15F75 or 44J41) UNCONDITIONED ATTIC SPACE 3" (76mm) OR 2" (51mm) PVC PROVIDE SUPPORT FOR EXHAUST LINES 12" (305mm) ABOVE AVE. SNOW ACCUMULATION SIZE TERMINATION PIPE PER TABLE 8. 1/2" (13mm) FOAM INSULATION IF REQUIRED FIGURE 35 1/2" (13mm) ARMAFLEX INSULATION IN UNCONDITIONED SPACE (IF REQUIRED) PVC REDUCER 1/2" (13mm) ARMAFLEX INSULATION NON.DIRECT VENT FIELD SUPPLIED WALL TERMINATION SIZE TERMINATION PIPE PER TABLE 8. FIELD.PROVIDED REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION 12" MIN. (305mm) Above Grade or average snow accumulation 12" (305mm) MAX. for 2" (51mm) 20" (508mm) MAX. for 3" (76mm) (IF REQUIRED) NON.DIRECT VENT APPLICATION USING EXISTING CHIMNEY NOTE . Do not discharge exhaust gases directly into any chimney or vent st ack. If ver- tical discharge through an existing unused chimney or stack is required, insert piping inside chimney until the pipe open end is above top of chimney and terminate as illus- trated. In any exterior portion of chimney, the exhaust vent must be insulated. FIGURE 37 STRAIGHT.CUT OR ANGLE.CUT IN DIRECTION OF ROOF SLOPE EXHAUST VENT 1/2" (13mm) WEATHERPROOF INSULATION (IF REQUIRED) SHOULDER OF FITTINGS PROVIDE SUPPORT OF PIPE ON TOP PLATE EXTERIOR PORTION OF CHIMNEY INSULATE TO FORM SEAL SHEET METAL TOP PLATE SIZE TERMINATION PIPE PER TABLE 8. Minimum 12" (305MM) above chimney top plate or average snow accumulation 506725-01 Page...
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