Liebert UPS System - Manual (Page 25)

Chapter 2 Cabinet Installation
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Input cable
Battery cable
Output cable
Signal cable
Fig. 2-9 UPS top cable output
2.7 Ventilation
The cooling air comes into the UPS from the bottom and the fan circulates the cool
air inside the UPS. The air is expelled out of the UPS from the back.
Table 2-3 shows the relationship between the power consumed and air intake.
The rear clearance required by the UPS is 500 mm. The front clearance required is
1 m for the convenient of door opening and maintenance, shown in Figure 2-10.
Battery cabinet
UPS cabinet
bottom board
Fig. 2-10 Relative position of cabinet