VSD reassembly
1. Install VSD bracket assembly.
2. Lift the Variable Speed Drive and remove all packing material, for Variable Speed Drive weight
see Table 16. Carefully lower the Variable Speed Drive on to the supports on the condenser.
Fasten the VariableSpeed Drive to the condenser and to the motor terminal box duct. Make all
necessary connections for the VSD cooling loop to be complete.
The Variable Speed Drive is shipped with glycol in the cooling system. The Variable Speed Drive
coolant must be changed to the inhibitor provided with the shipped loose items prior to start-
ing the unit.
Figure 36: Variable speed drive bracket
Note: Approximate 1,000 lb.
Figure 37: Variable speed drive rigging
55Centrifugal Liquid Chillers
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