3. Operation
3.2 Advanced Operational Settings
Economy mode can be enabled (or disabled) through the included PowerAlert software or the optional
SNMPWEBCARD internal accessory card. The UPS system's yellow "BYPASS" LED will illuminate
continuously when economy mode is enabled. Refer to the PowerAlert or SNMPWEBCARD
documentation for more information.
On-line, double-conversion mode (default)
Typical line efficiency at full load: 88%
Output voltage range: ± 2% of nominal setting (100/110/115/120/127V)
Economy mode
Typical line efficiency at full load: 97%
Output voltage range: -12%/+10% of nominal setting (100/110/115/120/127V)
Frequency Conversion
The UPS system automatically selects 50 Hz or 60 Hz operation based on utility power conditions at
start-up and regulates output power within ± 0.05 Hz of the selected frequency. The UPS system also has
an advanced setting that allows continuous frequency conversion from 50 Hz to 60 Hz or from 60 Hz to
50 Hz. The advanced frequency conversion setting is accessible through the included PowerAlert software
or the optional SNMPWEBCARD internal accessory card. When continuous frequency conversion is
enabled, the maximum output capacity of the UPS system is derated by 25%.
3.3 Front Panel Indicator Lights
Note: All LEDs illuminate during a UPS system self-test.
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"ON LINE" LED: This green LED will illuminate continuously to indicate the
UPS system is operating normally in on-line mode (filtering and
resynthesizing AC line input to provide pure sine wave output). When this
LED is illuminated, the load level of the UPS system is displayed on the %
level LEDs (25%, 50%, 75%, 100%).
"LINE" LED: This green LED will illuminate continuously to indicate the
utility-supplied AC line voltage at the wall outlet is nominal. It will flash if
the line voltage is outside the nominal range (either too low or too high).
User action is not required when the LED flashes; the UPS system
continuously and automatically filters AC line power to provide equipment
with pure sine wave AC power, regardless of brownout or overvoltage
conditions. If this LED is off, then AC line voltage is not present (blackout)
or is at an extremely high voltage, and the UPS system will provide
connected equipment with power from its battery system.
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