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Use a heat-resistant sealant. Do not seal chimney flue damper. Installing Damper Clamp (Figure 2) Remove all ashes or other debris from the fireplace. If the fireplace is equipped with an ash dump be sure to seal the door with furnace cement or high temperature silicone. Be sure to check the damper for proper operation and verify that the flue passageway is open. Attach damper clamp to the vent damper and tighten hold down bolt. Place the clamp over the lip of the damper and tighten the hold down bolt until the clamp is securely attached to the damper. This will prevent the damper from accidentally closing. State of Massachusetts requirement for installation of vented decorative appliance in a vented fireplace is the following: In the Commonwealth of Massachusetts vent free products are not approved. A vented decorative gas appliance must be installed in a vented fireplace only in the state of Massachusetts. The vent damper must be removed or welded permanently open. Figure 2 Page 6 14015-1-0903 FOR FACTORY BUILT FIREPLACES FOR MASONRY BUILT FIREPLACES FREE OPENING AREA OF CHIMNEY DAMPER FOR FREE OPENING AREA OF CHIMNEY DAMPER FOR VENTING COMBUSTION PRODUCTS FROM DECORA-VENTING COMBUSTION PRODUCTS FROM DECORATIVE APPLIANCES FOR INSTALLATION IN SOLID TIVE APPLIANCES FOR INSTALLATION IN SOLID FUEL BURNING FIREPLACES FUEL BURNING FIREPLACES Appliance Input Rate (kBTU/hr) 20 30 40 50 60 70 80 Chimney Height* (ft) Minimum Opening** (sq. in.) 10 11.3 16.6 22.1 28.3 35.3 44.2 . 15 8.6 12.6 17.3 21.2 26.4 32.2 38.5 20 7.5 10.8 14.5 18.1 22.1 26.4 31.2 25 6.6 9.6 12.6 15.9 18.1 22.9 27.3 30 6.2 9.1 11.3 14.5 17.3 20.4 24.6 35 5.7 8.0 10.8 13.2 15.9 18.9 22.1 40 5.3 7.5 10.2 12.6 15.2 18.1 20.4 Appliance Input Rate (KW/HR) 5.9 8.8 11.7 14.6 17.6 20.5 23.4 Chimney Height* (m) Minimum Opening** (cm2) 3.05 72.9 107.1 142.6 182.6 227.8 285.2 . 4.57 55.5 81.3 111.6 136.8 170.3 207.8 248.4 6.10 48.4 69.7 93.6 116.8 142.6 170.3 201.3 7.62 42.6 61.9 81.3 102.6 116.8 147.8 176.1 9.14 40.0 58.7 72.9 93.6 111.6 131.6 158.7 10.67 36.8 51.6 69.7 85.2 102.6 121.9 142.6 12.19 34.2 48.4 65.8 81.3 98.1 116.8 131.6 Appliance Input Rate (kBTU/hr) 20 30 40 50 60 70 80 Chimney Height* (ft) Minimum Opening** (sq. in.) 6 17.6 25.7 33.8 41.7 49.2 56.6 64.0 8 16.5 23.7 31.2 38.7 45.5 52.4 59.7 10 15.1 21.7 28.7 35.2 41.7 48.2 54.3 15 14.1 19.9 26.1 32.0 37.7 43.2 48.8 20 12.9 18.5 23.7 28.8 34.3 39.8 44.4 30 12.2 16.9 21.6 26.5 31.2 35.9 40.3 Appliance Input Rate (KW/HR) 5.9 8.8 11.7 14.6 17.6 20.5 23.4 Chimney Height* (m) Minimum Opening**(cm2) 1.83 113.6 165.8 218.1 269.0 317.4 365.2 412.9 2.44 106.5 152.9 201.3 249.7 293.6 338.1 385.2 3.05 97.4 140.0 185.2 227.1 269.0 311.0 350.3 4.57 91.0 128.4 168.4 206.5 243.2 278.7 314.8 6.10 83.2 119.4 152.9 185.8 221.3 256.8 286.5 9.14 78.7 109.0 139.4 171.0 201.3 231.6 260.0 * Height is from hearth to top of chimney and the minimum height is 6 feet (1.83m) * Height is from hearth to top of chimney and the minimum ** Chart shows minimum opening (sq. in.) (cm2) for given height is 10 feet (3.05m). height and input rate. ** Chart shows minimum opening (sq. in.) (cm2) for given height and input rate. BEFORE FULLY INSTALLING THE APPLIANCE Before installing in a solid fuel burning fireplace, the chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualified chimney cleaner. You must secure the gas log heater to the fireplace floor. If not, the entire unit may move when you adjust the controls. Movement of unit may cause shifting of the gas logs which leads to sooting and improper burning. Grate movement could cause a gas leak. Special care is required if you are installing the unit into a sunken fireplace. You must raise the fireplace floor to allow access to gas log controls. This will insure adequate air flow and guard against sooting. Raise the fireplace floor using noncombustible materials. 1. Center the gas log in the fireplace or firebox. The grates must clear the fireplace or firebox screen. 2. An anchor hole is provided in the two bottom side members of the grate frame. After centering the grate correctly, mark the hole positions on the fireplace/firebox floor. Drill two (2) 5/32" diameter holes approximately 1-1/2" deep for masonry screws or 1/8" hole for sheet metal screws. 3. Anchor the grate to the fireplace/firebox floor using the screws provided. Proper installation of the grate is essential to prevent any movement of the gas logs and controls during operation. Figure 3 14015-1-0903 Page 7 GAS SUPPLY GAS SUPPLY Check all local codes for requirements, especially for the size and type of gas supply line required. Recommended Gas Pipe Diameter Pipe Length (Feet) Schedule 40 Pipe Inside Diameter Tubing, Type L Outside Diameter Nat. L.P. Nat. L.P. 0-10 1/2" 1.3 cm 3/8" 1.0 cm 1/2" 1.3 cm 3/8" 1.0 cm 10-40 1/2" 1.3 cm 1/2" 1.3 cm 5/8" 1.6 cm 1/2" 1.3 cm 40-100 1/2" 1.3 cm 1/2" 1.3 cm 3/4" 1.9 cm 1/2" 1.3 cm 100-150 3/4" 1.9 cm 1/2" 1.3 cm 7/8" 2.2 cm 3/4" 1.9 cm ...

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