Specifications include, but are not limited to: Maintenance Bypass Checks • Is there a wrap around maintenance bypass system? • Is the wrap around maintenance system "make before break"? • Is the maintenance bypass switch labeled? If not, inform customer • Does the MBP have a kirk key interlock? • Was the unit put into maintenance bypass during the last PM? • Ensure Input, Output and Bypass breakers are labeled. If not, inform customer Visual Checks • Record Ambient Air Temp • Verify panel lamps are operational • Verify panel meters/displays are operational • Verify cleanliness of air filter(s) • Verify condition of ventilating equipment • Verify that UPS EPO switch is covered • Verify that all other switches are covered • Record any broken switches • Record UPS date code • Record ages of fans • Record Air Filter size(s) and quantity (If applicable) • Verify cleanliness of UPS environment • Verify general UPS operation Power Checks (When accessible) • Verify and Record Input Voltage - All Phases • Verify and Record Output Voltage - All Phases • Verify and Record Bypass Voltage - All Phases • Verify and Record Bypass Voltage Difference - All Phases • Verify and Record Input Current - All Phases • Verify and Record Output Current - All Phases • Verify and Record Bypass Current - All Phases • Verify and Record Percent % Load on UPS - All Phases • Verify and Record Input Total Harmonic Distortion (Voltage) - All Phases • Verify and Record Output Total Harmonic Distortion (Voltage) - All Phases • Verify and Record AC Ripple Voltage on DC • Verify and Record AC Ripple Current on DC • Verify and Record Total DC Float Voltage
