Regency Horizon ® HZ54E-10 Gas Fireplace | 13|13installationFRAMING & FINISHING1) Frame in the enclosure for the unit with framing material.IMPORTANT: Header must be metal stud. All other framing may be of combustible type such as 2x4 / 2x6 framing materials.Note: When constructing the framed opening, please ensure there is access to install the gas lines when the unit is installed.2) For exterior walls, insulate the enclosure to the same degree as the rest of the house, apply vapour barrier and drywall, as per local installation codes.(Do not insulate the fireplace itself.)WARNING: Failure to insulate and add vapor barriers to the inside of the exterior wall will result in operational and performance problems in-cluding, but not limited to: excessive condensation on glass doors, poor flame package, carbon, blue flames etc. These are not product relatedissues.3) The unit does not have to be completely enclosed in a chase. You must maintain clearances from the vent to combustible materials: See "Clearances"section. Combustible materials can be laid against the side and back standoffs and the stove base.4) When finishing around the faceplate, if material such as brick, stone, etc. extend past the faceplate depth due to the finished material exceeding 3-1/8" -the minimum opening dimensions noted below must be adhered to, this is to ensure removal of the faceplate.For material such as brick, stone, etc that extends 3-1/8" or less , theminimum opening dimensions noted below must be adhered to whenfinishing around the unit. This is to ensure the removal of the faceplateand for the safe operation of this appliance.52-7/8 ”22-5/8”Unit shown without faceplate for Illustrative purposes onlyImportant:Determine the nailing strip position by determing the facing material being used.Examples:1/2" non-combustible wall board for clean finish = 2-5/8" adjustment.1/2" non-combustible wall board + 1/2" tile = 1" of finished material= 2-1/8" adjustment.Note:Depending on the material used for finishing, the nailing strips must be set ac-cordingly so that the finished material is always at the 3-1/8" edge of the flange.NOTE: The Verona Glass Surround (not shown) opening needs to be 60-1/16" W x 28 5/8" HFaceplate and Door Frame-Perfect Edge Design