Liebert Hipulse D Ups Manual Link
Navigate the control panel display to command the system to . Verify the load is running on the static bypass line. Open the Battery Circuit Breaker . Turn off the Inverter via the control interface. Open the Input Breaker . Open the Output Breaker .
Remedy: Inspect the charging module. Disconnect the batteries if an extreme over-voltage condition threatens battery safety, and replace the faulty board. 6. Safety and Emergency Measures
Often includes an integrated or optional isolation transformer for superior electrical noise rejection. Core Components
System operating on Bypass or Battery; action may be required. liebert hipulse d ups manual
| Specification | Details | | :--- | :--- | | | Online Double-Conversion with IGBT PWM Inverter | | Input Voltage | 380/400/415V 3Ph +10 / -15% tolerance | | Input Frequency | 50 or 60 Hz ±5% | | Input Power Factor | 0.94 (with optional input filter) | | Output Voltage | Configurable (Commonly 380/400/415V 3Ph + Neutral) | | Output Voltage Stability | ±1% steady state, ±5% on 100% load step | | Output Frequency | 50 or 60 Hz ±1 Hz (synchronized with bypass) / ±0.1 Hz (free-running) | | Output Power Factor | 0.8 typical (configurable up to 1.0) | | Efficiency | >95% in normal mode; >97% in ECO mode | | Overload Capacity | 110% for 60 min / 125% for 10 min / 150% for 60 sec | | Fault Clearing (Inverter) | 150% for 1 min (3-phase) / 290% (single-phase) | | Static Bypass Overload | 10x nominal for 100ms / 14x nominal for 10ms | | Voltage Distortion | <1% with linear load; <3% (Ph/Ph) with 100% non-linear load |
Disclaimer: This guide acts as a generalized reference overview based on standard Liebert Hipulse D documentation. Always cross-reference instructions with the exact physical manual, revision number, and wiring diagrams shipped with your specific UPS serial number.
The unit is designed for indoor use only and must be kept away from flammable liquids, corrosive gases, and excessive condensation. Navigate the control panel display to command the system to
Safely open the AC input and battery breakers to de-energize the internal electronics. 5. Maintenance and Troubleshooting Routine Preventive Maintenance
The inverter utilizes pulse-width modulation (PWM) technology to convert DC power back into a clean, regulated AC sine wave. This ensures the output remains completely unaffected by utility frequency shifts, voltage sags, or harmonic distortion. Static Bypass Switch
Perform a controlled discharge or internal impedance test on individual cells to identify weak batteries before they fail during an outage. Turn off the Inverter via the control interface
Schedule a thermal scan (infrared) of all electrical connections to locate hot spots. Perform a controlled battery discharge test. Troubleshooting Common Alarms Alarm: "Mains Phase Reverse"
Close the to deliver conditioned power to the distribution panels. 4. Maintenance and Troubleshooting Protocol
Mistakes here can cause the UPS to reject the bypass or misreport battery runtime.
The red alarm light on the wall didn't just glow; it screamed. For Elias, the facility manager of the colossal NorthCrest Data Center, that solitary crimson LED was the stuff of nightmares.