Chapter 2 Installation 23
Liebert ITA 16kVA/20kVA User Manual
system and/or slave system for running in Normal or Bypass mode. The typical double bus system is shown in Figure
2-20.
Rectifier input
Rectifier input
Parallel
control
cable
UPS2
Bypass
Rectifier input
Bypass
LBS
STS
Load connection
UPS1
UPS2
UPS1
Rectifier input
Parallel
control
cable
Figure 2-20 Typical double bus system (with the STS and LBS)
2.10.2 External Protective Device
See
2.5 External Protective Device
.
2.10.3 Power Cables
See
2.6 Connecting Power Cables
.
2.10.4 LBS Control Cables
Just connect the LBS cables respectively to any two LBS ports (see Figure 1-2) of the two parallel systems.
