Assessments - 2, GPA: 3
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MIN. 20 INCHES MIN. H (MIN.) - MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING Roof Pitch H (Min.) Ft. Flat to 6/12...........................................................1.0* Over 6/12 to 7/12.................................................1.25* Over 7/12 to 8/12.................................................1.5* Over 8/12 to 9/12.................................................2.0* Over 9/12 to 10/12...............................................2.5* Over 10/12 to 11/12.............................................3.25 Over 11/12 to 12/12.............................................4.0 Over 12/12 to 14/12.............................................5.0 Over 14/12 to 16/12.............................................6.0 Over 16/12 to 18/12.............................................7.0 Over 18/12 to 20/12.............................................7.5 Over 20/12 to 21/12.............................................8.0 * 3 foot minimum in snow regions Figure 4.1 Minimum height from roof to lowest discharge opening WARNING Fire Risk. Asphyxiation Risk. • Terminations MUST meet minimum clearances. • Exhaust gases are hot. • Nearby vents may draw fumes into house. Heatilator • ADI60S • 345-900 Rev. G • 9/08 5 55 Vent Information and Diagrams A. Vent Table Key WARNING The abbreviations listed in this vent table key are used in the vent diagrams. Fire Hazard. Symbol Description VMIN Minimum Vertical Run Length 14 ft. VMIN Maximum Vertical Run Length 50 ft. B. Horizontal Venting Horizontal venting is NOT allowed. C. Measuring Standards Vertical measurements listed in the vent diagram (Figure 5.1) were made using the following standard: • Vertical terminations are measured to top of chimney. Explosion Risk. Asphyxiation Risk. Do NOT connect this gas appliance to a chimney flue serving a separate solid fuel or gas burning appliance. • May impair safe operation of this appliance or other appliances connected to the flue. • Vent this appliance directly outside. • Use separate vent system for this appliance. CAUTION ALL vent specifications MUST be followed. • This product is tested and listed to these specifications. • Appliance performance will suffer if specifications are not followed. TERMINATION CAP ADAPTOR EXHAUST VENT PIPE INSULATION SEAL INLET VENT AIR PIPE Figure 5.1 Heatilator • ADI60S • 345-900 Rev. G • 9/08 6 66 Installation Preparation • Prepare the existing solid fuel masonry or factory built non-combustible firebox for installation. A. Flue Damper Fully lock the solid fuel fireplace’s flue damper in the open position, OR completely remove it. B. Chimney • Ensure chimney is constructed of non-combustible materials. • Ensure chimney is clean and in good working order. • Ensure that all chimney cleanouts fit properly to prevent air leakage into chimney. C. Gas Line Note: If the factory built fireplace has no gas access hole provided, an access hole of 1 inch (25 mm) diameter or less may be drilled through the lower sides or bottom of the firebox in a proper workmanship - like manner. This access hole must be plugged with non-combustible insulation after the gas supply line has been installed. • Install gas line into firebox cavity. • Check local codes and gas line sizing requirements following NFPA54. See Section 8. D. Hearth or Hearth Extension WARNING Fire Risk. A hearth or hearth extension (if present) must comply with either of the following: • The solid fuel burning fireplace manufacturer’s specification. • Local building codes required by authority having jurisdiction. • NFPA 211 E. Fireplace Conversion Notice Permanently attach the label with the following warning to the inside lower back of the fireplace firebox into which the insert is being installed. Silicone may be required to properly secure the label. WARNING Fire Risk. This fireplace has been converted for use with a gas fireplace insert only and cannot be used for burning wood or solid fuels unless all original parts have been replaced, and the fireplace reapproved by the authority having jurisdiction. Prior to installing the gas insert: • Have the chimney and adjacent structure inspected and cleaned by qualified professionals. Hearth & Home Technologies recommends that NFI or CSIA certified professionals, or technicians under the direction of certified professionals, conduct a minimum of a NFPA 211 Level 2 inspection of the chimney. • Replace component parts of the chimney and fireplace as specified by the professionals. • Ensure all joints are properly engaged and the chimney is properly secured. F. Remote Control The receiver for the remotes must be installed BETWEEN the base pan of the insert and the firebox of the wood- burning fireplace (see photo below). EXISTING BOTTOM OF FIREPLACE REMOTE RECEIVER UNIT EXISTING SIDE REFRACTORY Heatilator • ADI60S • 345-900 Rev. G • 9/08 Heatilator • ADI60S • 345-900 Rev. G • 9/08 11 A. Venting Components 7 Installing Vent Pipe and Appliance The vertical vent termination system installed o...