Liebert AC4 User Manual

1.4 Outside Enclosure Overview
The Liebert AC4 controller board comes in an enclosure that is 2-3/4" deep and has a built-in liquid
crystal display (LCD) and a key lock, as shown in Figure 1.1 below. The enclosure is made of metal to
accommodate secure conduit fittings and protect components against environmental debris.
Figure 1.1 Liebert AC4 enclosure—external features
The enclosure must be secured to a wall, either flush-mounted or recessed in the wall, as described in
Installation on page15. Knockouts and access slots on the top and bottom allow easy connection of wires
and cables (see Wiring and Connections on page21) with either mounting type.
Figure 1.2 Liebert AC4 enclosure—internal features
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Liebert AC4 Specifications

General

Brand	Liebert
Model	AC4
Category	Control Unit
Language	English