O-ITF-07
Page
2
(C) INSTALLATION
(1)
An experienced, reliable rigger should be selected to handle the unloading and final placement of
the equipment. Handle equipment with care during installation to avoid damage due to twisting,
bouncing or tilting. Rigger should be advised that the unit contains delicate components and is
to be handled in upright position only. Avoid excessive stress to fans, shafts, bearings,
coil fin and tubes, dampers, isolators, filter accessories, humidifiers, piping, electrical, motors, drives,
access doors and insulation. This will save time and expense during start-up and initial service
warranty period.
(2)
Lifting brackets are provided on the sides of the unit and equal tension of cables at each bracket
is essential for weight distribution and safety. Rigging cables should be as long as the
longest unit piece dimension at corners to prevent stress on assembly.
(3)
Roof-curbs (where required) must be installed square and level. Curb should be field welded or
bolted to roof joists or deck field flashing and unit mounting to secure in place. Apply curb
gasket material (furnished with unit) to top of curb before unit mounting. Foundation for curb
must be adequate to support weight of unit without deflection to maintain spirit level of unit after
installation.
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