
Introduction
1.4Outside Enclosure Overview
The Liebert AC4 controller board comes in an enclosure that is
Figure 1 Liebert AC4 enclosure—external features
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| LCD for configuration |
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| and operation |
The enclosure |
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has knockouts |
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and access slots |
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on top and |
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| Key lock | ||
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bottom for |
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cables and wires. |
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The enclosure must be secured to a wall, either
2.0Installation. Knockouts and access slots on the top and bottom allow easy connection of wires and cables (see 3.0 Wiring and Connections) with either mounting type.
Figure 2 Liebert AC4 enclosure—internal features
Back of LCD
Controller Board
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| Knockouts and |
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| access slots |
Ground wire |
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for LCD |
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Liebert® AC4™ | 2 |