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Resumen del manual
Ensure sidewall venting clearances are observed. The maximum horizontal run with 24” vertical rise is 36” (914 mm) from the back of the fireplace to the face of the exterior wall. See vent graph (Page 12) for extended horizontal run if the vertical rise exceeds 24” (610 mm). 1. Establish vent hole through the wall. (Fig. 13) 2. Remove soil to a depth of approximately 16” (406mm) below base of snorkel. Install window well (not supplied). Refill hole with 12” (305 mm) of coarse gravel leaving a clearance of approximately 4” (102 mm) below snorkel. (Fig. 30) 3. Install vent system. See Page 12, Steps 2 through 5. 4. Ensure a watertight seal is made around the vent pipe coming through the wall. 5. Apply high temperature sealant caulking (supplied) around the 4” and 7” snorkel collars. 6. Slide into the vent pipe and secure to the wall. 7. Level the soil to maintain a 4” (102 mm) clearance below snorkel. (Fig. 30) 24" (610mm) Minimum* Firestop 7” Pipe 7TDVSNORK (Snorkel) 4” (102mm) Clearance Min. Window Well Gravel Drain Foundation Wall BG400 Fig. 30 Below grade installation. *A minimum of 24” (608mm) vertical pipe must be installed when using 7TDVSNORK Kit. Do not back fill around snorkel. A clearance of at least 4” (102 mm) must be maintained between the snorkel and the soil. If the foundation is recessed, use recess brackets (not supplied) for securing lower portion of the snorkel. Fasten brackets to wall first, then secure to snorkel with self drilling #8 x 1/2 sheet metal screws. It will be necessary to extend vent pipes out as far as protruding wall face. (Fig. 31) Foundation Recess Snorkel Wall Screws Recess Brackets Watertight Seal Around Pipe Sheet Metal Screws BG401 Fig. 31 Snorkel installation, recessed foundation. Vertical Through-the-Roof Applications This Gas Fireplace has been approved for: 1. Vertical installations up to 40’ (12 m) in height. Up to 10’ (3 m) horizontal vent run can be installed within the vent system using a maximum of three 90° elbows. Maximum 10’ (3 m) Minimum 8’ (2.4 m) / Maximum 40’ (12 m) Vertical Rise CFM148 Pipe Straps Every 3’ (914 mm) Fig. 32 Support straps for horizontal runs. 2. Up to two 45° elbows may be used within the horizontal run. For each 45° elbow used on the horizontal level the maximum horizontal length must be reduced by 18” (457 mm). 18 20010175 CDV Series Direct Vent Gas Fireplace Example: Maximum horizontal length 0 x 45° elbows = 10’ (3 m) 1 x 45° elbows = 8...’ (2.6 m) 2 x 45° elbows = 7’ (2.1 m) 3. A minimum of an 8’ vertical rise. 4. Two sets of 45° elbows offsets within these vertical installations. From 0 to a maximum of 8’ (2.4 m) of vent pipe can be used between elbows. (Fig. 33) 5. 7DVCS must be used to support offsets. (Fig. 33) This application will require that you first determine the roof pitch and use the appropriate 7DVSKV (A, B or F). (Refer to Venting Components List, Page 27) Max. 8’ (2.4 m) 45° Max. 8’ (2.4 m) 45° 50’ (15 m) Typical Ceiling Support Application Typical Roof Support Ap- plication FP1021Typical Offset Installation Fig. 33 Typical vertical roof applications. Vertical Through-the-Roof Installation 1. Locate your fireplace. 2. Plumb to center of the (4”) flue collar from ceiling above and mark position. 3. Cut opening equal to 9...” x 9...” (240 x 240 mm). 4. Proceed to plumb for additional openings through the roof. In all cases, the opening must provide a minimum of 1 inch clearance to the vent pipe, i.e., the hole must be at least 9...” x 9...” (240 x 240 mm). 5. Place fireplace into position. 6. Place firestop(s) #7DVFS or Attic Insulation Shield #7DVAIS into position and secure. (Fig. 34) 11" 11" Joist Joist Firestop Spacer Nails (4) Upper Floor Attic Insulation Shield Ceiling Installation CFM100 Fig. 34 Place firestop spacer(s) and secure. If there is room above ceiling level, firestop spacer must be installed on both the bottom and the top side of the ceiling joists. If an attic is above ceiling level a 7DVAIS (Attic Insulation Shield) must be installed. (Fig. 34) 7. Install roof support (Fig. 35 & 36) and roof flashing making sure upper flange is below the shingles. (Fig. 35) 8. Install appropriate pipe sections until the venting is above the flashing. (Fig. 35) The enlarged ends of the vent section always face downward. (Fig. 35) 3 #5 Sheet Metal Screws per Joint Storm Collar TWL101a Fig. 35 Roof flashing. Sealant 20010175 19 CDV Series Direct Vent Gas Fireplace How to Use the Vent Graph 36CDVT Vertical Venting 50’ (15 m) Storm Collar Roof Flash- ing Vent Termination Roof 2’ Min. Roof Support Attic Insulation Shield Attic Insulation Joists Joists FP1022 Fig. 36 Typical straight-up installation. Min. 2' (610 mm) FP1185 Fig. 37 Minimum termination to roof clearance. 9. Install storm collar and seal around the pipe. 10. Add additional vent lengths for proper height. (Fig 37) 11. Apply high temperature sealant to 4” and 7” collars of vertical vent termination and install. The vent chart should be read in conjunction wit...
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