Emerson 1000 User Manual

Page of 32
Installation
13
3.11 External Battery Cabinet Installation
Optional Liebert external battery cabinets may be connected to the UPS to provide additional battery 
run time. External battery cabinets are designed to be placed all on one side of the UPS or stacked 
beneath the UPS. The batteries have a maximum run time of three hours at full load.
1. Install the external battery cabinet in tower- or rack-configuration (see Figure 14 or 3.3 - Rack-
2. Connect the external battery cabinet cable to the rear of the external battery cabinet, then to the 
rear of the UPS (see Figure 15).
Figure 14 Install the external battery cabinet in tower installation
NOTICE
External battery cabinet power connectors are color-coded as noted in Table 1. Do not try to 
install external battery cabinets with connectors that are a different color from the battery 
connector on the UPS.
Table 1
Battery cabinet connector color key
UPS Model
Nominal System Voltage (connector color)
External Battery Cabine Model
PS1000RT3-120XR
PS1000RT3120XRW
24VDC (Red)
PSRT3-24VBXR
PS1500RT3-120XR
PS1500RT3120XRW
PS2200RT3-120XR
PS2200RT3120XRW
48VDC (Gray)
PSRT3-48VBXR
PS3000RT3-120XR
PS3000RT3120XRW
Connect the top of the UPS
to the top of the battery cabinet 
with the Battery UPS Tab and 
hardware
Connect tower stand and set 
the UPS and battery cabinet in 
them; check to ensure stability
If two or more battery cabinets are 
used in a tower setup, the tower stand 
must be extended with the spacers 
included with each battery cabinet.