Thermador HMIB42WS Installation instructions - Page 13

Installation Instructions Installation Determine installation height 81/4" (209) 183/8" (467) 30" (762) min over a electric cooktop 30" (762) min over a gas cooktop The igure above indicates a typical installation of the hood. An optional chimney extension kit to reach 9'-12' (274 to 366 mm) may be purchased. Add or subtract chimney extensions as appropriate to accommodate ceiling height and recommended hood height. For gas cooktop & range installations: Mount the hood so the bottom is at least 30" (76.2 cm) above the cooking surface. For electric/induction cooktop & range installations: Mount the hood so the bottom is at least 30" (76.2 cm) above the cooking surface. NOTICE: The hood could incur some damage from heat if a THERMADOR MASTERPIECE® series cooktop is operated with multiple burners at high settings under a hood that is installed at minimum clearances. Ceiling support structures • This vent hood is heavy. Adequate structure and support must be provided in all types of installations. • At the hood location, install 2"x 4" cross framing between ceiling joists as shown (2"x 4" are required to support the weight of the hood). • Arrange cross framing in the ceiling to suit the existing structure. • Your ceiling joists will be like one of the following: Example A NOTE: Top view ceiling joists parallel to front of hood 101⁄16" (25.5 cm) install cross- framing symmetrically over duct/cooktop Centerline 16" (40.6 cm) joist spacing 7 1⁄16" (17.9cm) Ø 8 1⁄4" (21 cm) duct 2 x 4 cross framing NOTE: Top view ceiling joists parallel to front of hood 16" (40.6 cm) joist spacing Align duct to Hood front center of cooktop Cooktop outline Example B 101⁄16" (25.5 cm) install cross- framing symmetrically over duct/cooktop Centerline 7 1⁄16" (17.9cm) Ø 8 1⁄4" (21 cm) duct 2 x 4 cross framing Align duct to Hood front center of cooktop Cooktop outline NOTE: Top view ceiling joists parallel to front of hood Example C Centerline 101⁄16" (25.5 cm) install cross-framing symmetrically over duct/cooktop 2 x 4 cross framing 7 1⁄16" (17.9cm) Ø 8 1⁄4" (21 cm) duct Installation Instructions 16" (40.6 cm) joist spacing Hood front Align duct to center of cooktop Cooktop outline English | 13 |