WARNING! When installing the battery temperature sensor, turn off the UPS. During installation, be sure not
to touch the battery terminals, exposed copper bars and components.
To Install the battery temperature sensor, follow the steps below:
1. Power down the UPS completely.
2. Turn OFF the load.
3. Wait for the UPS indicators to turn off.
All the UPS indicators turns off.
4. Wait for five minutes to completely discharge the internal DC bus capacitors of the UPS.
5. Connect one end of the network cable with shielded RJ-45 port to the battery temperature sensor and plug the
other end into the J2 dry contact port on the UPS bypass.
NOTE: The temperature sensor can be connected in series with a maximum of 20 sensors and a maximum distance of
50 m.
6. Route the power cables and other cables separately to avoid the EMI generation from the cables.
9.2.2 Battery ground fault kit
Vertiv™ Liebert® APM2 UPS has an optional battery ground fault detector kit, it helps to detect and remove battery ground
fault to ensure reliable system operation.
When a battery ground fault is detected, the indicator alarms ON the UPS display panel.
The battery ground fault detector kit includes a mutual inductor and a PCB, to be installed in the Battery Circuit Breaker
(BCB) box. For the installation and connection of the battery ground fault detector, refer to Battery Ground Fault Detector
(Optional) on page139.
9.2.3 Seismic Anchor Kit
Liebert® APM2 UPS has an optional seismic anchor kits. It helps to avoid and reduce the damage to UPS caused by
earthquake or vibration in the earthquake prone areas.
See Table 9.2 below for dimensions of the seismic anchor kit.
Item Width (mm) Length (mm)
Seismic anchor 60 585
Table 9.2 Dimensions and Content of the Seismic Anchor Kit
Fix the UPS onto the concrete floor.
WARNING! Execute the installation according to the instructions. Failure to do so can cause personnel injury
or damage to the UPS and seismic anchor kits.
Preparation
1. Prepare the installation tools, including a cross head screwdriver, a torque spanner and an adjustable spanner.
2. Check that all installation materials are present and complete, including:
156 Proprietary and Confidential ©2023 Vertiv Group Corp.
9 Vertiv™ Liebert® APM2 Option
Configurations
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual
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