Xtreme Power Conversion Corporation
TX91 3.8- 10kVA User’s Manual
Page 17
Uninterruptible Power Supply
3.1.5 Operating Mode/Descriptions
Operating mode/status
AC mode
Description
When the input voltage is within acceptable range, UPS will provide pure
and stable AC power to output. The UPS will also charge the battery at AC
mode.
LCD display
ECO mode
Description
When the input voltage is within voltage regulation range and ECO mode is
enabled, UPS will bypass voltage to output for energy saving.
LCD display
CVCF mode
Description
When input frequency is within 46 to 64Hz, the UPS can be set at a con
-
stant output frequency, 50 Hz or 60 Hz. The UPS will still charge battery
under this mode.
LCD display
Battery mode
Description
When the input voltage is beyond the acceptable range or there is input
power failure, UPS will backup power from battery and alarm will beep
every 4 seconds.
LCD display