NOTE: We recommend using a duct lift or scissors lift when installing or removing the EC-fan
assemblies on top of the unit.
1. Disconnect the black-sleeved low-voltage harness and the green-sleeved high-voltage harness from the
junctionbox, Figure 11.5 below.
Figure 11.5 EC-fan junction boxes
Item Description
1 Junctionbox betweenfans1 and2 on2-and3-fanunit
2 Junctionbox for 1-or3-fanunit
2. Locate the 6 places where the EC-fanassembly attaches to the unit,
Figure 11.6 below, and remove the bolts, washers and spacers, Figure 11.7 onthe facing page.
Figure 11.6 Assembly in place on the unit
Item Description
1 Mountingholes
Vertiv | Liebert® CW™Installer/User Guide
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