If you need help tracking down a specific technical document or resolving an active system fault, please share: The of your HiPulse D unit.
Verify that all external input, output, and bypass circuit breakers are open. liebert hipulse d ups manual
Navigate to Control → Battery Test → Calibration Test . The UPS will discharge batteries to 1.67V per cell (for lead-acid). This test cannot be stopped manually. If you need help tracking down a specific
Preventive maintenance is mandatory for a UPS of this class. The manual details: The UPS will discharge batteries to 1
Check utility bypass frequency. The system will safely inhibit transfer to bypass during this alarm. Prolonged utility outage or failed battery blocks.
Warning: Only qualified electrical personnel should operate or service the Liebert HiPulse D. High voltages present inside the enclosure pose fatal shock hazards. Start-Up Procedure (From Total Shutdown)
Maintain at least 800mm of clearance at the front of the unit and 500mm at the top for proper ventilation exhaust and service access.