Fuji Electric PEN102J1C - Chapter 4 UPS Operation; Understanding UPS Operating Modes

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Chapter４
Operation
４-１ Mode
The UPS exists the following main seven operation mode, and displays
the status by LCD and LED of UPS. (Refer Chapter５)
Figure ４-1 Panel
４-１-１ On-Line
UPS obtains the electric power from a utility input. And UPS is outputs
through INV.
MODE LED lights, and "On-Line" is displayed in LCD for this period. Other
states can be displayed with the ▲ button/▼ button. The state display
displays the following. Input power(W), input current(A), input voltage(V),
input frequency(Hz), load percent(%), output power(W), output VA(VA),
output current(A), output voltage(V), output frequency(Hz), battery
voltage(V), battery capacity(%), and backup time。As for this display, any
mode is possible.
When the power failure occurs, UPS transfers the On-Battery mode.
When the UPS load exceeds 100%, it is shown for ALARM LED to light,
and to have exceeded the UPS capacity.
・UPS blinks(1s ON/OFF) ALARM LED when the utility input deviates from the
input range of the zero transfer, except for the On-Battery.
the input range of the zero transfer (Bypass available range)
Input voltage ：Rated voltage±1２％
Input frequency：±3Hz（Default）
＊I put frequency range is possible to change by setting of Chapter６.
・When the input deviates from the range of bypass available, if overload/internal
abnormality occurs, the output is cut.
・When the phase match cannot be done even within bypass available, the UPS
doesn't change to the by-pass operation. And output is cut.
・When the load is over 110%, the output is cut after transition to On-Bypass.
・When the load is over 150%, the output is cut.