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7. SIT top Convertible Pilot Gently lift off the pilot hood from the pilot. (Do not remove the spring clip holding the hood in place). Usinga 5/32” Allen key, unscrew the exposed orifice. Insert the new orifice supplied in the kit, do not over tighten the orifice. Replace the pilot hood ensuring the indextab aligns with the notch on the hood. 8. PSE Pilot Using a suitable wrench on the hexagonal body unscrew the pilot hood assembly from the pilot, donot twist the hood itself. Remove the orifice and replace it with the new orifice supplied in the kit. Refit the pilot hood assembly. Do not over-tighten the pilot hood. The hood must return to its original alignment. Take care not to damage the thermocouple, thermopile or igniter. 9. SIT 820 NOVA Gas Control Valve (Fig. 52) a. Using a Torx T20 or slotted screwdriver, remove and save the three pressure regulator mountingscrews (A), pressure regulator tower (B) anddiaphram (C). b. Ensure the rubber gasket (D) is properly positionedand install the new HI/LO pressure regulator to thevalve using the new screws (E) supplied with thekit. Tighten screws securely. (Reference torque - 25 in.LB) c. Install the enclosed identification label (F) to the valve body where it can be easily seen. Honeywell Gas Control Valve (Fig. 53) The Honeywell valve fitted to this unit is suitable for use with LP or Natural Gas. It is converted to the required gas application by the installation of a colorcoded “conversion screw”. a. Using a suitable small screwdriver lift out thecentral regulator cap from the “HI/LO” knob on thevalve. b. Unscrew the exposed conversion screw. c. Insert the new color coded conversion screw. Do not over-tighten the screw, it must be finger tight. d. Refit the regulator cap. e. Mount conversion label supplied with conversionscrew to valve in a visible position. 10. Reassemble the fireplace in the reverse order, except for the window frame assembly. Leave this off until after the unit has been checked for leaks and the gassupply has been bled. 11. After bleeding the gas line and checking for leaks witha soap solution, replace the window frame assembly. Fire up the unit, check for flame impingement on thelogs, adjusting them if necessary. Check the manifold and supply pressures against the appliance specifications. DEFOFFPILOTOA B C OFFPILOT O FC107/108 Fig. 52 Nova SIT820 Gas Valve. FC108 FC107 SIT820 valve conversion SIT 10/03 regulator Regulator Cap Conversion Screw conversion 10/03 LO Pressure RegulatorHousing HV120 Fig. 53 Honeywell Gas Valve. The procedure for converting from one gas toanother is the same regardless of the initialgas used. The only variation is in the orificesizes and component part numbers. Your authorized service provider will ensure thecorrect parts are used. LDVR Series Direct Vent Gas Fireplace Maintenance Burner and Burner Compartment It is important to keep the burner and the burnercompartment clean. At least once per year the logs and lava rock/ember material should be removed and the burner compartment vacuumed and wiped out. Removeand refit the logs as per the instructions in this manual. Always handle the logs with care as theyare fragile and may also be hot if thefireplace has been in use. FK24/FK12 Fan Assembly The fan unit requires periodic cleaning. At least once per month in the operating season open the lowerlouvre panels and wipe or vacuum the area around thefan to remove any build up of dust or lint. Brass Trim Clean the brass trim pieces using a soft cloth lightlydampened with lemon oil. Do not use water orhousehold cleaners on any brass components. Cleaning the StandingPilot Control System The burner and control system consist of: • burner • gas orifice • pilot assembly • thermopile • millivolt gas valve Most of these components may require only anoccasional checkup and cleaning and some may require adjustment. If repair is necessary, it should be performed by a qualified technician. 1. Turn off pilot light at gas valve. 2. Allow fireplace to cool if it has been operating. 3. Remove window frame assembly. (Refer to Window Frame Assembly Removal section.) 4. Remove logs. 5. Vacuum burner compartment especially around orifice primary air openings. 6. Visually inspect pilot. Brush or blow away any dust or lint accumulation. 7. Reinstall logs. 8. Ignite pilot - Refer to Lighting Instructions. 9. Reinstall window frame assembly. To obtain proper operation, it is imperative that the pilot and burner.s flame characteristics are steady, not lifting or floating. Typically, the top 3/8” to 1/2” of the thermopile should be engulfed in the pilot flame. (Refer to Page 25, Figure 47) To adjust pilot burner: (by qualified service technician) 1. Remove pilot adjustment cap 2. Adjust pilot screw to provide properly sized flame. 3. Replace pilot adjustment cap. The primary air shutter is set at factory and should only be adjusted, if necessary, by a qualified service technician. 10007317 31 32 LDVR Series Direct Vent Gas Fireplace 100073...

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