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Class II plenum fans that are stacked on another section may
be lifted using the methods shown in the following figures. The
shipping brackets must remain in place and be tight in order to
lift using this method .
Figure 6
supplied eye bolts that are screwed into factory installed hex
AVK fasteners in the main channels supporting the fan .
7
shows a direct-drive fan with field supplied eye bolts on the
motor end and straps around the spring bracket on the inlet
end . When factory installed hex AVK fasteners are installed,
they should be used for lifting . When they are not installed, it is
acceptable to lift from the shipping brackets on the fan .
8
shows dual fans being lifted in a similar manner as the single
direct-drive fan . An eight point lift must be used for dual fans
to make sure both fans are supported properly and the cabinet
structure does not become overloaded along the center .
If the fan section is connected to another section such as a
plenum or access section, then DO NOT attempt to lift both
sections using just the fan section . The other section(s) must
be supported separately using straps .
Figure 6: Belt-Drive Class II Plenum Fan Stacked Unit
www.DaikinApplied.com
shows a belt-drive fan with field
Figure
Figure
Figure 7: Direct-Drive Class II Plenum Fan Stacked Unit
Figure 8: Direct-Drive Class II Dual Plenum Fan Stacked
Unit
7
IM 672-11 • VISION AIR HANDLING UNIT
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