Liebert GXTRT Series Installation and User Manual
1-3 kVA UPS
Page 15
9/2005
Emerson Network Power
Installation
2.4.2 Installing Power Module Plus Battery Module
Use the following steps to install the standard UPS systems that contain a power module and a
battery module (i.e., GXT2000-RT plus GXT2000-BAT; and GXT3000-RT plus GXT3000-BAT).
1. Take out a pair of brackets respectively delivered with the power module and battery module,
use step 1 in section 2.4.1 to fit the brackets onto both sides of the two modules.
2. Use step 2 in section 2.4.1 to install the power module and battery module on the rack one
by one, with the power module in the lower position to facilitate cable connection, as shown in
Figure 2-8.
Figure 2-8 Installing modules
2.5 Cable Connection
2.5.1 Connecting Battery Cable
Battery cable connection is required for long back-up time UPS systems and standard UPS
systems that contain a power module and a battery module.
Power module plus battery module system
Take out the battery connection cable delivered with the battery module, plug one end of the
cable into the external battery socket on the rear panel of the power module, and the other end
into any battery socket on the rear panel of the battery module.
Long back-up time system
Warning
1. Batteries have represent a potentially dangerous source of energy. Only professionals shall make
battery cable connection for long back-up time UPS systems.
2. The external battery voltage must comply with the power module’s requirements on external
battery voltage (see section 5.2).
Use the following steps to connect the battery cable for the long back-up time UPS.
1. Open the battery breaker.
2. Take out the battery cable delivered with the power module, (a plug at one end and three OT
terminals at the other).
3. Connect the three OT terminals respectively labeled “+”, “-” and “G” to the battery’s positive
terminal, negative terminal and the PE terminal of the battery cabinet (refer to the Battery
Cabinet User Manual) respectively.
4. Plug the battery cable into the external battery socket on the rear panel of the power module.
