Xtreme Power Conversion Corporation
P90g User’s Manual
Page 28
Uninterruptible Power Supply
Frequency Converter
Mode (Rack)
When input frequency is
within 40Hz to 70 Hz, the
UPS can be set at a constant
output frequency, 50 Hz
or 60 Hz. The UPS will still
charge battery in this mode.
Static bypass circuit is dis
-
abled in this mode.
Battery Mode
When the input voltage is be
-
yond the acceptable range or
there is a power failure and
alarm is sounding every 4
seconds, the UPS will provide
backup power from battery.
Bypass Mode
When input voltage is within
acceptable range but UPS
is overloaded, the UPS will
enter bypass mode or bypass
mode can be set by the front
panel. Alarm is sounding
every 10 seconds.
Standby Mode
UPS is powered off without
output power, but the bat
-
tery is still being charged.
Fault Mode
The UPS is in fault mode
when no output power is
supplied from the UPS and
the fault icon flashes on the
LCD display, although the in
-
formation from the UPS can
be displayed on the screen.
