Monogram ZV925 Installation Instructions Manual page 11

Installation Preparation
CONSTRUCT CEILING SUPPORT
CONTINUED
, Secure each 2 x 4 block with at least four (4), #10
wood screws, Y' long (not supplied). Use 8 wood
screws total for the two supports.
, The cross framing must be accurately aligned to
assure correct positioning of the hood.
, The cross framing must be level in all directions.
Check with a spirit level and adjust if necessarg.
IMPORTANT: The ceiling structure must be capable
of supporting the weight of the hood (approximatelg
200 pounds) and ang inadvertent user contact loads.
The hood support frame will be supported bg the
2 x 4 cross framing.
2 x 4 min.
cross framing
',xx\
ht
adjustment
screws
Ductwork for Installations Vented to the Outdoors
, Use the shortest and straightest duct route possible.
For sutisfuctorg performance, duct run should not
exceed 100 feet equivalent length for ang duct
configuration.
, Refer to "Duct Fittings" chart to compute the
maximum permissible length for duct runs to the
outdoors.
, This vent hood must use 8" round rigid duct.
, Install the house ductwork to run horizontollg
between ceiling joists or straight up through the
roof.
/
_::::::_ Ceiling joist
i
, /
/ /
8"
Duct
Vent straight up
through the ceiling
Finish the Ceiling
, Finish the ceiling surface. Be sure to mark location
of the ceiling joists and cross framing. Check to be
sure the ceiling is level; use shims if necessarg.
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