Vertiv | Liebert PEX4 | User Manual 41
Installation
2.7. Lowering the Fan
Before commissioning, the EC fans of the downow unit must be lowered. The downow unit is equipped with
a lowering tool when it is shipped. The lowering tool that uses winch is shown in Figure 2-24. It includes hand
winch, hook, sling, handle, winch bracket and a L shaped lifting component.
No. Description No. Description
1 Winch bracket 4 Winch
2 Hook 5 Sling
3 Handle
Figure 2-24 Fan Elevator Assembly (Winch mode)
• Lowering Procedure:
1. Installing lift and lowering kit for EC fan: Open the unit maintenance cover, check the xing bolts (refer, total
2 PCS) of the L shaped lifting component to ensure that it is xed properly, and then install the xing bolts
(total 4 PCS) of the winch bracket, as shown in Figure 2-25.
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