^ Cut a 7 1/2" (190 mm) hole in the ceiling centered over the cooktop for the exhaust duct to pass through. The exhaust connection has a 6" (150 mm) diameter.
^ Hold the mounting plate up to the ceiling so that the orange arrow faces the front of the hood and aligns with the line drawn on the ceilling. ^ Mark the position of the four mounting bolts a for securing the mounting plate and determining the position of the hole the power cord b will pass through. Select the hole providing the shortest route for the power cable b to reach the power terminal located at the top of the hood�s chimney.