-23 - For more information, visit www.desatech.comSERVICE HINTSWhen Gas Pressure Is Too Low:• Pilot will not stay lit• Burner will have delayed ignition• Fireplace will not produce specified heat• Propane/LP gas supply may be lowWhen Gas Quality Is Bad:• Pilot will not stay lit• Burner will produce yellow flames and soot• Fireplace will backfire when litWIRING DIAGRAMSREPLACEMENT AND ACCESSORY PARTSLog Set: Front/Rear, and Top Logs (standard with all units).Pilot/Igniter Assembly: If in need of replacing, a qualifiedtechnician must replace it.Gas Control Valve: If in need of replacing, a qualifiedtechnician must replace it.Wall Switch: The Wall Switch, cover plate, and millivoltwires come standard with this appliance.Fan Kit: The Fan Kit is optional and may be installed at anytime. Installation instructions are included with the fan kit.Refractory Set: Sides, Front and Rear simulated brickrefractory may be purchased by individual part number ifreplacement is necessary.FOR PART NUMBERS SEE PAGE 27.• When ordering replacement or accessory items, pleasehave your appliance’s model and serial number ready.• The model and serial number for your particular appliancemay be found on the rating plate located inside theappliance.• Refer to the parts list and diagrams when orderingreplacement parts for your appliance.• Repair parts or accessory items may be bought from yourdistributor/dealer.• All product specifications are subject to change withoutnotice.NOTE: Use only original replacement parts. This will protectyour warranty coverage for parts replaced under warranty.Figure 60 BURNER REMOVALFigure 61 ELECTRONIC WIRING DIAGRAMFigure 62 OPTIONAL BLOWER WIRING DIAGRAM