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 junction box, Figure 10.7 below.
Figure 10.7 EC-fan junction boxes
Item Description
1 Junction box between fans 1 and 2 on2-and3-fan unit
2 Junction box for 1- or 3-fan unit
2. Locate the 6 places where the EC-fan assembly attaches to the unit,
Figure 10.8 below, and remove the bolts, washers and spacers, Figure 10.9 on the facing
page.
Figure 10.8 Assembly in place on the unit
Item Description
1 Mounting holes
Vertiv | Liebert® DSE™ Installer/User Guide
64
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