Tripp Lite SU120KX2 Online Normal Mode Parallel UPS-MUS, Battery Backup Mode Parallel UPS-MUS

17 – Operating Modes (continued)

7-5 Online (Normal) Mode (Parallel UPS—MUS)

Parallel configuration provides UPS system redundancy or

2 increased total capacity. Under parallel configuration, the total load is shared by 2 to 4 UPS systems. If one of the UPS systems malfunctions, the total connected equipment load is supported by the remaining UPS systems. If the total load exceeds the capacity of the remaining UPS systems, the MUS

3 will switch all UPS units to auto bypass mode.

The diagram illustrates the on-line mode for a 2x MUS.

4

7-6 Battery Backup Mode (Parallel UPS—MUS)

Similar to battery backup mode for a single UPS system

5 (Section 7-2), except the total connected equipment load is shared by the parallel UPS systems (2 to 4).

The diagram illustrates the battery backup mode for a 2x MUS.

6

7

7-7 Auto Bypass Mode (Parallel UPS—MUS)

8

9

10

11

12

13

14

Similar to auto bypass mode for a single UPS system

(Section 7-3), except with parallel UPS systems (2 to 4). The diagram illustrates the auto bypass mode for a 2x MUS.

18

12-212-93-3141.indb 18 12/28/2012 11:17:28 AM