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8 EN
INSTALLATION
The hood can be installed in the following ways: top air outlet, bottom air outlet, rear air outlet. Once the desired configuration has been chosen
(see the diagrams below) it will be necessary to provide an opening in the wall where to house the built-in hood body case. Besides the air
ducting pipes, basing on the chosen configuration, the hood has to be electrically connected, and an additional connection raceway between
the hood installation area and the lighting area has to be provided.
HOOD INSTALLATION SCHEME
RECESSED HOUSING LOWER BORDER SHALL BE INSTALLED AT THE MINIMUM DISTANCE OF 7-3/32 IN. ABOVE THE COOKING
SURFACE.
• Basing on the following scheme prepare the opening H for housing the built-in hood body case. In case of the bottom air outlet
configuration consider that the holes for electrical connection have to be made up on the left side (position U).
• Concerning the ductrun consider the figures in the following scheme bearing in mind that the rear hole P serves only for the rear
air outlet-configuration.
CALCULATE THE DUCTRUN LENGTH
The ductwork length should not exceed 35 equivalent feet for 3 1/4" X 10" duct, or 55 equivalent feet for 9" or 10" round duct. Calculate the
length of the ductwork by adding the equivalent feet listed in FIGURE 1 for each piece of duct in the complete system. An example is given in
FIGURE 2. For best results, use no more than three 90° elbows. Make sure that there is a minimum of 24" of straight duct between elbows if
more than one is used. Do not install two elbows together. Round duct is recommended instead of rectangular duct especially if elbows are
needed. For internal blower models, rectangular duct should be transitioned to 9" round as soon as possible.
45° Elbow 5.0 feet
90° Elbow 7.0 feet
90° Flat Elbow 12.0 feet
Wall Cap 0.0 feet
FIGURE 1
9 Feet Straight Duct 9.0 feet
2 - 90° Elbows 14.0 feet
Wall Cap 0.0 feet
Total System 23.0 feet
FIGURE 2
10
U
H
7/8
3-11/32
P