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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) clearancebelow snorkel. (Fig. 31) 10007317 17 LDVR Series Direct Vent Gas Fireplace 24" (610mm) Minimum* Zero Clearance Sleeve (if required) Firestop 7” Pipe 7TDVSNORK (Snorkel) 4” (102mm) Clearance Min. Window Well Gravel Drain Foundation Wall BG400 Fig. 31 Below grade installation. *A minimum of 24” (608mm) vertical pipe must be installedwhen using 7TDVSNORK Kit. Do not back fill around snorkel. A clearance of at least 4” (102mm) must bemaintained between the snorkel and the soil. Foundation Recess Snorkel Wall Screws Recess Brackets Watertight Seal Around Pipe Sheet Metal Screws BG401 Fig. 32 Snorkel installation, recessed foundation. If the foundation is recessed, use recess brackets (notsupplied) 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 benecessary to extend vent pipes out as far as protrudingwall face. (Fig. 32) 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) VerticalRise CFM148 Pipe Straps Every3. (914 mm) Fig. 33 Support straps for horizontal runs. 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. 2. Up to two 45° elbows may be used within thehorizontal run. For each 45° elbow used on the horizontal level the maximum horizontal length mustbe reduced by 18” (457 mm). 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. 34) 5. 7DVCS must be used to support offsets. (Fig. 34) This application will require that you first determine the roof pitch and use the appropriate 7DVSKV (A, Bor F). (Refer to Venting Components List, Page 21) 18 10007317 LDVR Series Direct Vent Gas Fireplace Max. 8. (2.4m) 45° Max. 8. (2.4m) 45° 40. (12m) Typical CeilingSupportApplication Typical Roof Support Application FP1021Typical Offset Installation Fig. 34 Typical vertical roof applications. Vertical Through-the-Roof Installation 1. Locate your fireplace. 2. Plumb to center of the (4”) flue collar from ceilingabove and mark position. 3. Cut opening equal to 9...” x 9...” (240 x 240mm). 4. Proceed to plumb for additional openings throughthe roof. In all cases, the opening must provide aminimum of 1 inch clearance to the vent pipe, i.e., the hole must be at least 9...” x 9...” (240 x 240mm). 5. Place fireplace into position. 6. Place firestop(s) #7DVFS or Attic Insulation Shield #7DVAIS into position and secure. (Fig. 35) 7. Install roof support (Fig. 36 & 37) and roof flashing making sure upper flange is below the shingles. (Fig. 36) 8. Install appropriate pipe sections until the venting isabove the flashing. (Fig. 36) 9. Install storm collar and seal around the pipe. 10. Add additional vent lengths for proper height. (Fig38) 11. Apply high temperature sealant to 4” and 7” collarsof vertical vent termination and install. 11" 11" Joist Joist Firestop Spacer Nails (4) Upper Floor Attic Insulation Shield Ceiling Instal- lation CFM100 Fig. 35 Place firestop spacer(s) and secure. If there is room above ceiling level, firestop spacer must be installed on boththe bottom and the top side of the ceilingjoists. If an attic is above ceiling level a7DVAIS (Attic Insulation Shield) must be installed. (Fig. 35) The enlarged ends of the vent sectionalways face downward. (Fig. 36) 3 #5 Sheet Metal Screws per Joint Storm Collar TWL101a Fig. 36 Roof flashing. Sealant 10007317 19 LDVR Series Direct Vent Gas Fireplace 40. (12m) Storm Collar Roof Flash- ing Vent Termination Roof 2. Min. Roof SupportAttic Insulation Shield Attic Insulation Joists Joists FP1022 Fig. 37 Typical straight-up installation. Min. 2' (610 mm) FP1185 Fig. 38 Minimum termination to roof clearance. 20 10007317 LDVR Series Direct Vent Gas Fireplace Venting Components 7TDVRVT - Through the wall Rear Vent Termination Starter Kit Model 7TDVSK - Sidewall Venting (Twist Lock Pipe) Model 7FDVSK - Sidewall Venting (Flex Vent Pipe) Models 7TDVTK/TV - Hot Touch Termination KitsModel 7TDVTVTK/TV - Cool Touch Termination KitStarter Kit - Model 7TDVSKV - Vertical Ventingfor 7TDVSKV-A order 1/12 to 6/12 roof pitchfor 7TDVSKV-B order 7/12 to 12/12 roof pitchfor 7TDVSKV-F order flat roof Starter Kit for Below Grade Installation Model 7T...

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