Liebert Hipulse D Ups Manual Jun 2026

The Liebert HiPulse D is a high-capacity, industrial-grade UPS designed to safeguard critical loads against power quality disturbances, including blackouts, sags, surges, and frequency fluctuations. Utilizing online double-conversion technology, it completely isolates the output load from raw utility power, delivering a clean, continuous sine wave. Key Performance Features

The Liebert Hipulse D is a robust solution for critical power needs, but it requires adherence to the procedures in its technical manual to operate effectively. For a copy of the manual, please visit the Vertiv Products Catalog or authorized Emerson Network Power partners.

: This advanced technical manual is strictly for qualified service personnel . It includes:

Verify via the LCD screen that the DC bus voltage has stabilized. Close the (external battery cabinet). liebert hipulse d ups manual

Verify HVAC operation in the battery room; check float charge voltage against manufacturer specs.

Allow the control logic to complete its self-test diagnostic routing.

Inspect air filters and clean or replace them to prevent thermal hotspots. Check the log for unacknowledged alarms. The Liebert HiPulse D is a high-capacity, industrial-grade

[ Utility Input ] | v +---------------+ | Rectifier | +---------------+ | +-------------> [ Battery Bank ] | | v v +---------------+ | | Inverter |<------------+ +---------------+ | v +---------------+ | Static Switch | +---------------+ | v [ Critical Load ] Rectifier / Charger

Verify all internal and external breakers (Input, Output, Bypass, Battery) are in the position. Close the main external utility feeder breaker.

The static switch will automatically transfer the load from the bypass line to the conditioned inverter output. Transferring to Maintenance Bypass To service the unit without interrupting the load: Ensure the inverter is synchronized with the bypass supply. For a copy of the manual, please visit

Liebert® - IntelliSlot™ RDU101™ Communications Card - Vertiv

For scheduled physical maintenance or repairs, operators manually actuate the internal maintenance bypass breaker. This safely isolates the inverter, rectifier, and control boards from high-voltage paths while keeping the critical facility load powered directly from the utility grid. 4. Installation and Wiring Guidelines