City Series CC40EPV | 25installationCaution RequirementsThe top, back and sides of the fireplace are defined bystandoffs. The metal ends of the standoff may NOT berecessed into combustible construction.WARNINGFire hazard is an extreme riskif these clearances (air space) to combustible materials are notadhered to. It is of greatest importance that this fireplace and ventsystem be installed only in accordance with these instructions.Clearances CC40LE/CC40REThe clearances listed below are Minimum distances unless otherwise stated:A major cause of chimney related fires is failure to maintain required clearances (air space) to combustible materials. It is of the greatest importance that thisfireplace and vent system be installed only in accordance with these instructions.Note: CC40LE shown in illustration. Clearances will be the same for the CC40RE.Clearance: single sided Dimension Measured From:A: Mantel Height (min.) ** Top of Fireplace OpeningB: Opening Height 15-1/16" (382mm) Bottom/Top of Fireplace OpeningC: From Floor Min. 0" Bottom of Fireplace OpeningD: Sidewall (on one side) Min. 36" (914mm) Side of Fireplace OpeningE: Mantel Depth (Max.) ** Front of Fireplace OpeningF: Alcove Depth Min. 36" (914mm) Front of Fireplace OpeningG: Convection Air Outlet * Top of EnclosureH: Convection Air Outlet Opening Offset 0-3" (76mm) Max. offset from top of chase enclosureI: Chase Enclosure (Min.) 63" (1600mm) From Base of UnitHearth 0" No hearth required** See mantel clearances chart in this manual.Flue Clearances to CombustiblesHorizontal - Top 3"Horizontal - Side 2"Horizontal - Bottom 2"Vertical 2"Passing through wall/floor/ceiling - whenfirestop is used.1-1/2"Top ViewAlcoveThe HeatWave Duct Kit has differ-ent clearance and framing require-ments, check the HeatWave manualfor details.*A minimum of 120 squareinches of open area, notlower than 3" from top ofenclosure, required for allinstallationsHIAEBCGDFDFCC40 UNIT