4 Regency U31-3 Gas Fireplace InsertTABLE OF CONTENTSOPERATING INSTRUCTIONSOperating Instructions .............................................24Lighting Procedure ..................................................24Shutdown Procedure ...............................................25First Fire .............................................................25Automatic Convection Fan Operation......................25Normal Operating Sounds of Gas Appliances .........25Copy of Lighting Instruction Plate ............................27MAINTENANCEMaintenance ............................................................26Gold Plated Trim ...............................................26Log Replacement ..............................................26Glass Gasket ....................................................26Door Glass Replacement ..................................27Flush Glass Replacement .................................27Fan Maintenance .....................................................27PARTSParts List .............................................................28WARRANTYWarranty .............................................................35Unit Dimensions ........................................................3Safety Label...............................................................5INSTALLATIONFor Your Safety ..........................................................7Specifications ............................................................8Installation into a Solid Fuel Fireplace .......................8General Safety Information........................................8Installation Checklist ..................................................9Materials Required ...................................................9Minimum Fireplace Clearances .................................9Clearances to Combustibles......................................9Conversion to Propane Kit.......................................10Gas Connection .......................................................10High Elevation .........................................................10Draft Hood Connection ............................................10Venting .............................................................11Combustion & Ventilation ..................................11Gas Pressure Test ...................................................11Gas Insert Aeration System .....................................11Test for Flue Spillage ...............................................11Optional Brick Panel ...............................................12Log Installation ........................................................13Faceplate & Trim .....................................................16Glass Front InstallationStandard Flush Door (1 panel)..........................16Flush Louvers ...................................................17Wiring Diagram ........................................................18Full Screen Front .....................................................19Excalibur Surround ..................................................20Low Profile Faceplate Installation............................22Optional Wall Thermostat ........................................27Optional Remote Control ........................................27Final Check .............................................................27