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Manafacture: Lennox Hearth File size: 4.94 mb File name: Language of manual:

Step 2. ROUTING GAS LINE Step 2. ROUTING GAS LINE Also see Figures 12 and 13 on Pages 10 and 11 5-5/8" (143 mm) 3-1/8" (79 mm) Figure 14 -ROUTE GAS LINE Proper Sizing of Gas Line Properly size and route the gas supply line from the supply regulator to the area where the appliance is to be installed per requirements outlined in the National Fuel Gas Code, NFPA 54 - latest edition (USA) or B149 - latest edition (Canada). Never use galvanized or plastic pipe. Refer to Table 7 for proper sizing of the gas supply line, if black iron pipe is being used. Gas lines must be routed, constructed and made of materials that are in strict accordance with local codes and regulations. We recommend that a qualified individual such as a plumber or gas fitter be hired to correctly size and route the gas supply line to the appliance. Installing a gas supply line from the fuel supply to the appliance involvesnumerousconsiderationsof materials,protection,sizing,locations,controls, pressure,sediment,and more. Certainlynoone unfamiliarandunqualifiedshouldattemptsizing or installing gas piping. Schedule 40 / Black Iron Pipe Inside Diameter (Inches) Schedule 40 Pipe Length (feet) Natural Gas Propane Gas 0-10 1/2 3/8 10-40 1/2 1/2 40-100 1/2 1/2 100-150 3/4 1/2 150-200 3/4 1/2 Table 7 Notes: • All appliances are factory-equipped with a flexible gas line connector and 1/2 inch shutoff valve (see Figure 47 on Page 27). • See Massachusetts Requirements on Page 4 for additional requirements for installations in the state of Massachusetts in the USA. • The gas supply line should Not be connected to the appliance until Step 6 (Page 27). • A pipe joint compound rated for gas should be used on the threaded joints. Ensure propane resistant compounds are used in propane applications. Be very careful that the pipe compound does not get inside the pipe. • It is recommended to install a sediment trap in the supply line as close as possible to the appliance (see Figure 47). Appliances using Propane should have a sediment trap at the base of the tank. • Checkwithlocalbuildingofficialforlocalcode requirements (i.e. are below grade penetrations of the gas line allowed?, etc). IMPORTANT: If propane is used, be aware that if tank size is too small (i.e. under 100-lbs, if this is the only gas appliance in the dwelling. Ref. NPFA 58), there may be loss of pressure, resulting in insufficient fuel delivery (which can result in sooting, severe delayed ignition or other malfunctions). Any damage resulting from an improper installation, such as this, is not covered under the limited warranty. NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. Step 3. INSTALL THE VENT SYSTEM Step 3. INSTALL THE VENT SYSTEM These instructions should be used as a guideline and do not supersede local codes in any way. Install venting according to local codes, these instructions, the current National Fuel Gas Code (ANSI-Z223.1) in the USA or the current standards of CAN/CSA-B149.1 in Canada. Ensure clearances are in accordance with local installation codes and the requirements of the gas supplier. Degagement conforme aux codes d'installation locaux et aux exigences du foumisseunde gaz. Use only approved venting components. See Approved Vent Components on Page 2. These fireplaces must be vented directly to the outside. The vent system may not service multiple appliances, and must never be connected to a flue serving a solid fuel burning appliance. The vent pipe is tested to be run inside an enclosed wall (such as a chase). There is no requirement for inspection openings in the enclosing wall at any of the joints in the vent pipe. REMOVE VENT SEAL CAP (From the vent that will be used only) Top Vent - See Figure 15 and Side Vent - See Figure 16 Preparing the Appliance Vent Collar Each of the appliances' two vent collars are sealed with a seal cap which must be removed from the vent collar being used. Refer to Figure 15 for top vent installations and Figure 16 for side vent installations and the following steps to prepare the appropriate collar for use. From the vent collar being used, remove the two screws securing the vent seal cap. Twist the cap counterclockwise. Pull it away from the appliance and discard, along with the piece of insulation. Securing Screws (OUTSIDE OF APPLIANCE) Insulation Top Vent Vent Seal Cap Firebox Top Cabinet Top CROSS SECTION (INSIDE of Appliance) Figure 15 -TOP VENT SEAL CAP REMOVAL (TOP VENT INSTALLATIONS ONLY) SIDE VENT SEAL CAP REMOVAL (SIDE VENT INSTALLATIONS ONLY) Insulation Vent Seal Cap Securing Screws Side Vent Cabinet Back CROSS SECTION (OUTSIDE of Appliance) (INSIDE of Appliance) WARNING The VENT SEAL CAP must remain securely installed on unused vent collar. Failure to do so could result in leakage of flue products into living space. Figure 16 Installation of Vent Restrictor (Top Vent Installations with Vertical Terminations Only) A vent restrictor (provided) may be needed with this appliance. If needed, install the vent restrictor in the applianc...

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