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Be careful to install the provided neoprene
isolator according to the following figure
prior to setting the unit on the curb.
Where the supply or warm air duct
passes through a combustible roof, a
clearance of 1 inch must be
maintained between the outside
edges of the duct and combustible
material in accordance with National
Fire Protection Association Standard
No. 90A. Provide flashings or
enclosure between structure and roof
and all joints must be sealed with
mastic roofing to ensure a watertight
Neoprene isolator for unit vibration
isolation is provided in the cabinet and
must be installed according to installation
manual.