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Manafacture: Lennox Hearth File size: 6.06 mb File name: Language of manual:

(114 mm) for flex (6 pieces) 91L67 SF-GC7-6 Gear Clamp 7.5 in. (190.5 mm) for flex (6 pieces) 99L02 SV4.5HRK14 Horizontal Riser Kit, 14" 99L03 SV4.5HRK36 Horizontal Riser Kit, 36" H1988 CTSA-33 Chase Top Shroud Kit, Arch Top 3 X 3 Ft. H1985 CTSO-33 Chase Top Shroud Kit, Open Top 3 X 3 Ft. H1987 CTSO-44 Chase Top Shroud Kit, Open Top 4 X 4 Ft. H1986 CTSO-46 Chase Top Shroud Kit, Open Top 4 X 6 Ft. 96K93 SV4.5SU Support Strap H3907 SV4.5ARSA Attic Insulation Shield w/ adjustable height, 12"-22" *All compressed flex vents can be expanded up to two times. Sealant GAS CONVERSION KIT S WARNING This conversion kit shall be installed by a qualified service agency in accordance with the manufacturer's instructions and all applicable codes and requirements of the authorized havingjurisdiction. Iftheinformation in these instructions is not followed exactly, a fire, explosion or produc tion of carbon monoxide may result causing property damage, personal injury or loss of life. The installation is not proper and complete until the operation of the converted appliance is checked as specified in the owner instructionssuppliedwiththekit.The qualified service agency performing thisinstallationassumesresponsibil ity for this conversion. AVERTISSEMENT Cet equipement de conversion sera installe par une agence qualifiee de service conformement aux instruc tionsdufabricantet toutesexigences et codes applicables de l'autorises avoir la juridiction. Si l'information danscetteinstructionn'estpassuivie exactement,unfeu,explosionoupro ductiondeprotoxydedecarbonepeut resulter le dommages causer de pro priete,perteoublessurepersonnelle de vie. L'agence qualifiee de service estesponsabledel'installationpropre de cet equipment. L'installation n'est pas propre et complete jusqu'a l'operation de l'appareil converti est cheque suivant les criteres etablis dans les instructions de proprietaire provisionnees avec l'equipement. Gasconversionkitsareavailabletoadaptyour appliance from the use of one type of gas to the use of another. These kits contain all the necessarycomponentsneededtocompletethe task including labeling that must be affixed to ensure safe operation. Kitpartnumbersarelistedhere andthefollowing steps detail the conversion procedure. Millivolt SIT Systems Natural Gas To Propane Gas Conversion Kits Models Cat. No. ACKMV-NGLP H5778 Millivolt SIT Systems Propane to Natural Gas Conversion Kits Models Cat. No. ACKMV-LPNG H5779 Electronic SIT Systems Natural Gas To Propane Gas Conversion Kits Models Cat. No. ACKE-NGLP H5780 IMPORTANT/CANADA The conversion shall be carried out in accordance with the requirements of the provincial authorities having jurisdiction and in accordance with therequirementsoftheCAN1 B149.1 And B149.2 Installation code. ATTENTION/CANADA La conversion devra etre effectuee conformement aux recommanda tions des autorites provinciales ayant juridiction et conformement aux exigences du code d'installation CAN1 B149.1 ET.2. Step 1. Turn off the gas supply to the appliance. Step 2. Carefully remove the logs. Exercise care so as not to break the logs. Step . Refer to Figure 53. Remove the burner assembly with attached venturi tube. Burner Assembly Burner Orifice Gas Train Assembly Gas Valve Figure 53 Millivolt Appliances Step 4. SIT Systems -Refer to Figure 54 on Page 32 and the instructions provided with the kit. Using a Torx T20 (with 1/4” shank and center hole), remove and discard the three pressure regulator mounting screws. Removethepressureregulator,spring,poppet, diaphragm and bushing. Discard all removed components. Ensuretherubbergasketinstalledonthebackof the replacement pressure regulator is properly positioned and install the new pressure regulator using the new screws supplied with the kit. Tighten screws to 25 In. lb. torque. 1 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. SIT Millivolt Gas SIT Millivolt Gas Pressure Regulator Remove These Components HILOSIT Electronic Gas Valve Pressure Regulator Millivolt & Electronic Gas Valves Figure 54 Step 5. Attach manometer to the manifold side pressuretestfittingandverifymanifoldpressure reads 3.5 inches water column (0.87 kPa) for naturalgas, and10.0 incheswatercolumn(2.49 kPa) for propane gas. Step 6. Refer to Figure 55 and remove the pilot hood assembly to access the hexed pilot orifice. Remove and replace the orifice with the one provided with the kit. SIT Millivolt Pilot Assembly Shown Pilot Orifice Thermopile (on millivolt pilot assemblies only) SIT Electronic Pilot Pilot Orifice Millivolt & Electronic Pilot Assemblies Figure 55 Step 7. (Refer to Figure 53 on Page 31) A. Remove the orifice from the manifold and replace it with the one provided in the kit. See Table 8 for orifice sizes for natural and propane models. Figure 56 illustrates the orifice. Use pipe joint compound or teflon tape when installing the orifice. B. Retrieve the burner and slide the venturi tube over the orifice (see Figure 53). Set the burner assembly into its position and secure it....

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