Vertiv | Liebert PEX4 | User Manual
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Installation
2.7. Lowering the Fan
Before commissioning, the EC fans of the downflow unit must be lowered. The downflow unit is equipped with
a lowering tool when it is shipped. The lowering tool that uses winch is shown in
. 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 fixing bolts (refer, total
2 PCS) of the L shaped lifting component to ensure that it is fixed properly, and then install the fixing bolts
(total 4 PCS) of the winch bracket, as shown in
.