Unit Lifting Points; Alternative Lifting Method - Trane CVHE Installation Instructions Manual

E-frame retrofit adaptive frequency drive
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Unit Lifting Points

Figure 5.
Unit lifting points and center of gravity
1.
Factory provided unit lift tabs.
2.
3.
AFDH E-Frame Unit front-to-rear center of gravity.
4.
Frequency drive module section of the cabinet assembly. Weight
of drive module can result in the unit attempting to lean to the right
as it is lifted if the rigging is not adjusted correctly.
AFDH-SVN02D-EN
Preferred Lifting Method
The preferred method for lifting an AFDH drive unit to
position it for installation, is to use an identical
individual hoisting device at each lift point.
Figure 6.
Preferred lifting method using two identical
individual hoists

Alternative Lifting Method

If it is only possible to use a single hoisting device to lift
an AFDH drive unit to position it for installation, a
spreader bar should be used to allow adjusting the
rigging as necessary to balance the unit around its
center-of-gravity to ensure full control of the unit
during lifting.
Figure 7.
Alternative lifting method using a single
hoist and spreader bar
Pre-Installation
15

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