Bosch DUH30252UC Installation Instructions - Page 9

6. For rectangular ducted discharge installations only (otherwise skip to next step) Attach exhaust adaptor/damper over knockout opening with two exhaust adaptor screws. Make sure damper pivot is nearest to top/back edge of hood. Remove tape from damper flap. Pivot Top/back edge Exhaust transition/damper NOTE: The exhaust adaptor/damper can be installed up to 1 inch on either side of the hood center to accommodate off-center ductwork. In extreme off-center installations, one end of the duct connector may need to be trimmed to clear the electrical cable clamp. 7. For round ducted discharge installations only Re-install the round transition with its screws. 7" Round Transition NOTE: The round transition can be installed up to 1 inch on either side of the hood center to accommodate off-center ductwork. In extreme offcenter installations, one end of the duct connector may need to be trimmed to clear the electrical cable clamp. 9