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It isrecommended toseal around the gas line to prevent cold air leakage. Gas line connection may be performed largely outside of the confines of the control compartment and without having to enter the firebox behind the glass. Proceed as follows: Acquire the shut-off valve and gas lex line and pull the assembly forward out of the compartment. Separate the shut-off valve from the gas flex-line. Determine the length of pipe needed to route the gas line from the last fitting (shown in Figure 14 on Page 12) to a point within the control compartment that will allow the shutoff valve to be easily attached by hand to the gas flex-line. Using pipe-dressing materials appropriate for the gas type, securely affix the shut-off valve to this determined pipe length at a convenient location outside of the appliance lower control compartment. Gas Valve 3/8" NPT x Flare Fitting 3/8" Flex Tubing 3/8" Nipple 3/8" Union 3/8" Close Nipple 3/8" Shut-off Valve 1/2" x 3/8" Reducer Gas Stub 1/2" x 3/8" Flare Shut-off Valve Gas Solid Line Connector Gas Flex Line Connector Note: The gas supply line must be installed in accordance with building codes by a qualified installer approved and/or licensed as required by the locality. In the Commonwealth of Massachusetts, installation must be performed by a licensed plumber or gas fitter. Figure 47 GAS CONNECTION Figure 48 Gas Valve Piezo Igniter Latch for Glass Door HI/LO (flame height control knob) OFF/PILOT/ON (gas control knob) Gas Flex-line Optional OFF/ON Switch Can be Installed Here Glass Door is Above Control Compartment Control Compartment Access Gas Shut-Off Valve CONTROL COMPARTMENT ACCESS/LOUVER PANEL INSTRUCTIONS (Ref. Figure 49) NOTE: The top louvered panel and the bottom louvered control panel door remove and install the same way as follows: Thegascontrolscanbefoundbehindthecontrol compartment access door. Removing Control Compartment Door: Open the door by gently lifting it upward until thehookcatchesonbothsidesclearthelocating slots. Then pull door out to remove. On millivolt systems, the piezo igniter, HI/LO flame adjustment knob, and pilot and main gas OFF/ON control knob are located below the glass panel enclosure. The gas valve for electronic systems is also located below the glass enclosure panel. See Figure 48. Reinstalling Control Compartment Door: To reinstall, insert the hook catches on each side of the door into the corresponding slots in the control compartment opening, then gently push forward and slide down until it locks in place. Figure 49 OPENING CONTROL COMPARTMENT DOOR Control Valve Lower Control Compartment Door Lift the Lower Control Compartment Doorup and pull out to remove. Up Out Hook Catch NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. TEST ALL CONNECTIONS FOR GAS LEAKS (FACTORY AND FIELD): TEST ALL CONNECTIONS FOR GAS LEAKS (FACTORY AND FIELD): Never use an open flame to check for leaks. Turn on gas supply and test for gas leaks using a gas leak test solution (also referred to as bubble leak solution). Note: Using a soapy water solution is an effective leak test solution but it is not recommended, because the soap residue that is left on the pipes/ fittings can result in corrosion over time. A. Light the appliance (refer to the lighting instructionslabelinthecontrolcompartment or in the Care and Operation Instructions manual). B. Brush all joints and connections with the gas leak test solution to check for leaks. If bubbles are formed, or gas odor is detected, turn the gas control knob (off/pilot/on) to the “OFF” position. Either tighten or refasten the leaking connection, then retest as described above. C. Whenthegaslinesaretestedandleakfreebe sure to rinse off the leak testing solution. Step 7. VERIFYING APPLIANCE OPERATION Turn on burner then observe the individual tongues of flame on the burner. Make sure all ports are open and producing flame evenly across the burner. If any ports are blocked, or partially blocked, clean out the ports. With the gas line installed, run initial system checkout before closing up the front of the appliance. Follow the pilot lighting instructions provided in the Care and Operation Instructions manual. For piezo igniter location see Figure 48 (millivolt appliances only). Note: The (pull-out) Lighting instructions label can be found in the control compartment (see Figure 48). When first lighting the appliance, it will take a few minutes for the line to purge itself of air. Once purging is complete, the pilot and burner will light and operate as indicated in the instruction manual. Subsequent lighting of the appliance will not require such purging. Inspect the pilot flame. Millivolt Appliance Checkout The pilot flame should be steady, not lifting or floating. Flame should be blue in color with traces of orange at the outer edge. The top 3/8" (10 mm) at the pilot generator (thermopile) and the top 1/8" minimum (tip) of the quick drop out thermocouple should be engulfed in the pilot flame. The flame should project 1" (2...

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