Vertiv Liebert MCM080 - 4.2.1 Electrical Field Connection Descriptions

4.2.1 Electrical Field Connection Descriptions
Figure 4.8 Typical connections, Premium Efficiency Control
Key Electrical Details—Typical Connections, PremiumEfficiency Control
Source: DPN002169, Rev. 7 and DPN002374, Rev. 6. The following numbered items correspond to the
callouts in Figure 4.8 above.
1. Three-Phase Electrical Service—Terminals are on the top of the disconnect switch for one-fan
and two-fan units. Terminals are on the bottom of the disconnect switch for three-fan and four-
fan units. Three-phase service not by Vertiv™. See NOTICE on page43.
2. Earth Ground—Field lug terminal for earth ground connection. Ground terminal strip for fan
motor ground connection.
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