W415-1720 / C / 10.27.17EN16installation4.2 typical chimney installation39.12* The first flue offset closest to the top of the appliance must be aminimum distance of 12” (304.8mm) from the top of the appliance.A. Move the appliance into position. Try to center the exhaustflue of the appliance, midpoint between two joists to preventhaving to cut them. Use a plumb bob to line up the centre.B. Cut and frame an opening in the ceiling to provide aminimum clearance of 2” (50.8mm) between the outside ofthe chimney and any combustible material. DO NOT FILLTHIS SPACE WITH ANY TYPE OF MATERIAL! Nail headersbetween the joists for extra support. Firestop spacers mustbe placed on each framed opening in any floor or ceilingthat the chimney passes through.C. Hold a plumb bob from the underside of the roof todetermine where the opening in the roof should be.Cut and frame the roof opening maintaining proper2” (50.8mm) clearances.NOTE: 30° or 45° offsets may be installed back to back.HEADERSFIRESTOP SPACER -UNDERSIDE OF JOIST15 FT(4.6m)MINIMUM34 FT(10.4m)MAXIMUMRAIN CAP RAIN CAPRAIN CAPSTORM COLLARROOF FLASHINGSTORM COLLARROOF FLASHINGSTORM COLLARROOF FLASHINGATTIC INSULATIONSHIELDATTIC INSULATIONSHIELD ATTIC INSULATIONSHIELDCEILING RADIATIONSHIELDOFFSETSUPPORTOFFSETSUPPORTFIRESTOP FIRESTOP12” (30.5cm)MIN*15 FT(4.6m)MINIMUM34 FT(10.4m)MAXIMUM12” (30.5cm)MIN*15 FT(4.6m)MINIMUM34 FT(10.4m)MAXIMUMSTRAIGHT CHIMNEY SINGLE OFF-SET CHIMNEY DOUBLE OFF-SET CHIMNEY2" (50.8mm)Min.Typical Roof Joist FramingTypical Joist Framing2" (50.8mm)Min.2" (50.8mm)Min.2" (50.8mm)Min.30° or 45° offsets may be installed back to back, see “offset chimney installation” section.note:When installing chimney with an anchor plate smaller than 12” (30.5cm) x 12” (30.5cm), an AP8 kit mustbe installed.note:When installing 8” air cooled chimney, an NZAC8KT must be installed (see “air cooled chimney installation”section).note:(8” solid packed or air cooled chimney)