Regency® P48-2 Zero Clearance Direct Vent Gas Fireplace 3TABLE OF CONTENTSOptional Bay Door .......................................................35Optional Bay Trim ........................................................35Bay Louvers ................................................................35Optional Finishing Trim ................................................36Double Screen Door ...................................................36Optional Remote Control .............................................37Optional Wall Switch ....................................................37Optional Wall Thermostat ...........................................37Wiring Diagrams .........................................................38Installing The Optional Fan..........................................40To Remove the Fan .............................................40OPERATING INSTRUCTIONSOperating Instructions .................................................41Shutdown Procedure ...................................................41First Fire ......................................................................41Lighting Procedure ......................................................41Aeration Adjustment ....................................................41Normal Operating Sounds of Gas Appliances .............42MAINTENANCEMaintenance Instructions ............................................43General Vent Maintenance ..........................................43Log Replacement ........................................................43Thermopile / Thermocouple.........................................43Glass Gasket ...............................................................43Gold-Plated Louvers & Trim ........................................43Door Glass ..................................................................44Glass Replacement .............................................44Bay Glass Replacement ......................................44Installing Valve.............................................................44Removing Valve...........................................................45PARTS LISTMain Assembly ............................................................46Burner & Log Assembly ...............................................48Flush Door & Louvers ..................................................49Bay Front & Louvers ....................................................50WARRANTYWarranty ......................................................................51SAFETY LABELCopy of Safety Decal .....................................................4REQUIREMENTSMA Code - CO Detector(for the State of Massachusetts only) ............................5INSTALLATIONImportant Message ......................................................6Before You Start ............................................................6General Safety Information ...........................................6Installation Checklist ......................................................6Manufactured Mobile Home Additional Requirements ..7Locating Your Gas Fireplace .........................................7Unit Specifications .........................................................7Heatwave Optional Duct System Kit .............................7Optional Heat Release Kit ............................................7Hearth ............................................................................7Clearances ....................................................................8Mantels ..........................................................................9Mantel Leg Clearances .................................................9Framing & Finishing ....................................................10Unit Assembly Prior To Installation .............................. 11Top Standoff Assembly ........................................ 11Top Facing Support and Side Nailing Strips ........ 11Venting Introduction ..................................................... 11Exterior Vent Termination Requirements .....................12Venting Arrangements ................................................13Horizontal Termination .........................................13Simpson Dura-vent Venting .................................14Simpson Dura-vent Venting Components List .....145” x 8” Rigid Pipe Cross Reference Chart ...................15Vertical Terminations...........................................21Unit Installation with Horizontal Termination ................23Unit Installation with Vertical Termination ....................24System Data ...............................................................26High Elevation .............................................................26Gas Line Installation ....................................................26Pilot Adjustment ...........................................................26Gas Pipe Pressure Testing ..........................................26S.I.T. Valve Description................................................26Conversion Kit from NG to LPG Part #372-969 .........27Brick Panels Installation ..............................................30Log Set Installation ......................................................31Standard Flush Door ...................................................34Flush Louvers ..............................................................34Optional Flush Trim .....................................................34