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Apply a bead of non-hardening mastic around the outside edge of the vent cap. Position the vent cap in the center of the 7 1/2" or 10" hole on the exterior wall with the arrow on the vent cap pointing up. Insure proper clearance of 1" to combustibles is maintained. Attach the vent cap with four wood screws supplied (see Figure 13). Note: Replace the wood screws with appropriate fasteners for stucco, brick, concrete, or other types of siding. WARNING: Do not recess vent termination in to any wall. This will cause a fire hazard. For vinyl siding use vinyl siding standoffs between vent cap and exterior wall. The vinyl siding standoff prevents excessive heat from melting the vinyl siding material. Bolt the vent cap to the standoff. Apply non-hardening mastic around outside edge of the standoff instead of the vent cap assembly. Use wood screws provided to attach the standoff. See Figure 14. 5. Slide the wall thimble over the vent pipe before connecting the horizontal run to the vent cap (see Figure 15). Figure 13 - Installing Horizontal Vent Cap Wood Screw Vent Cap Apply Mastic to All Four Sides 6. Carefully move the fireplace with vent assembly attached toward the wall and insert the vent pipe into the horizontal termination. The pipe overlap should be a minimum of 1 1/4". Apply silicone to the outer pipe connection. Fasten all vent connections with screws provided. Refer to Fireplace Installation on page 16 for instructions on securing unit to framing or floor. 7. Slide the wall thimble against the interior wall surface and attach with screws provided (see Figure 15). Cut Vinyl Siding Away to Fit Standoff Wood Screw Nut Bolt Standoff Apply Mastic to All Four Sides Vent Cap Figure 14 - Installing Vinyl Siding Standoff Interior Wall Vent Cap (Horizontal Termination) Surface Wall Thimble Horizontal Vent Pipe Screw Figure 15 - Connecting Vent Cap with Horizontal Vent Pipe Continued 104605 9 CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) VENTING INSTALLATION Continued Horizontal Termination Configurations Figures 16 through 20 show different configurations for venting with horizontal termination. Each figure includes a chart with vertical minimum/maximum and horizontal maximum dimensions which must be met. Seal all connections with high temperature silicone sealant (outer pipe only) as specified in the second warning statement on page 7. All horizontal terminations require 1/4" rise per 12" of horizontal run. CBGFVK Vent Kit Shown (recommended for use with cabinet mantel) Horizontal Venting Vertical (V) Horizontal (H) 37" min. 10" max. Figure 16 - Horizontal Termination Configuration for Rigid Venting Horizontal Venting Vertical (V) Horizontal (H) 44" min. 29" max. (30° and 90° only, no vertical pipe) 55" min. 41" max. (30° elbow, 1' vertical pipe, 90° elbow) 67" min. 60" max. 79" min. 84" max. 96" min. 20' max. Note:This configuration for use with corner installation. Figure 17 - Horizontal Termination Configuration for Rigid Venting Using One 90° Elbow Horizontal Venting See information in Figure 17 for Vertical(V) and Horizontal(H) maximums and minimums. The same amounts apply for flexible venting. Note:Figure 16 applies to rigid venting only. CBVK Vent Kit Shown Figure 18 - Horizontal Termination Using Flexible Venting 10 104605 OWNER’S MANUAL VENTING INSTALLATION Continued Venting with Two 90 ° Elbows Vertical (V) Horizontal (H1) Horizontal (H1Horizontal (H2) 5' min. 2' max. 6' max. 6' min. 4' max. 12' max. 7' min. 6' max. 18' max. 8' min. 8' min. 20' max. 20' max. 8' max. 20' max. ) + Figure 19 - Horizontal Termination Configuration for Rigid Venting Using Two 90° Elbows Venting with Two 90 ° Elbows Vertical (V) 5' min. 6' min. 7' min. 8' min. 20' max. Horizontal (H1) + Horizontal (H2) 6' max. 12' max. 18' max. 20' max. 20' max. Figure 20 - Horizontal Termination Configuration for Rigid Venting Using Two 90° Elbows with Termination at 90° with Fireplace Continued 104605 11 CHDV37N/P AND CHDV41N/P DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP) VENTING INSTALLATION Continued INSTALLATION FOR VERTICAL TERMINATION 1. Determine the route your vertical venting will take. If ceiling joists, roof rafters, or other framing will obstruct the venting system, consider an offset (see Figure 21) to avoid cutting loadbearing members. Note:Pay special attention to these installation instructions for required clearances (air space) to combustibles when passing through ceilings, walls, roofs, enclosures, attic rafters, etc. Do not pack air spaces with insulation. Also note maximum vertical rise of the venting system and any maximum horizontal offset limitations. Offsets must fall within the parameters shown in Figure 8 on page 6. 2. Set the fireplace in desired location. Drop a plumb line down from the ceiling to the position of the fireplace exit flue. Mark the center point where the vent will penetrate the ceiling. Drill a small locating hole at this point. Drop a plumb line from the inside of the roof to the...

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