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Chapter 2 Cabinet Installation
20
2.8 Layout of Cabinet
Besides the UPS cabinet, there are also battery cabinets, input/output distribution
cabinet and cabinet for bypass transformer. All these cabinets should be laid out
correctly. The layout of battery cabinet and UPS cabinet is shown below.
1. One UPS cabinet and one battery cabinet
If the required battery backup time is 15 – 16 minutes, one battery cabinet is
required to hold all the required batteries. There is no strict requirement for the
relative position of the UPS and the battery cabinet. Figure 2-11 shows this kind of
layout.
Capacity expansion must be considered into layout design.
Battery cabinet
UPS cabinet
Fig. 2-11 Layout 1
2. One UPS cabinet and several battery cabinets
More than one UPS cabinet should be used if the required backup time is more
than 30 minutes. Please refer to Chapter 9 for the relationship between the battery
backup time and the battery capacity.
The battery cabinets should be placed side-by-side and the UPS cabinet can be
placed on the left or right side, in front of or behind the battery cabinets. Be sure to
leave space for maintenance.