Caution for Use
vii
The allowable voltage between the input electric cable of the UPS and the
ground is 230 VAC.
If applying the voltage of more than 230 VAC, the filter circuit of the input part may be
damaged.
The input surge voltage capacity of the UPS is 5kV peak (1.2
50µs).
However, if the model of the UPS is " -UC" , it is 2kV peak (1.2
50µs).
If applying the surge voltage of more than 5kV peak (2kV peak in case of "-UC"), the
filter circuit of the input part may be damaged.
The input voltage of the UPS is 85 to 138 VAC.
When input voltage is different from the rated specification (200 VAC, etc.), install a
transformer at the outside of the UPS to convert voltage. If applying the voltage that
exceeds the input voltage range, the UPS may be damaged.
The input voltage of the UPS should be within the rated input voltage
range of the connection device.
During the bypass operation, the input voltage of the UPS is outputted to the connection
device as the output voltage as it is. If applying the voltage that exceeds the rated voltage
range of the connection device, the connection device may be damaged.
Do not apply the single-line grounding at the output side.
It is not insulated between the input and output of the UPS. Therefore, do not apply the
single-line grounding at the output side.
There is the fear of causing the trouble by the noise or the failure.
When connecting the UPS to a three-phase power supply system, be sure
to connect the grounding phase of the three-phase power supply system
to the electrode of a grounding side of the AC input of the UPS.
If connecting the UPS to an ungrounded power source, there is the fear of causing the
malfunction.
When using a generator temporarily during the rolling blackouts, use a
generator satisfying the following specification.
If connecting a generator not satisfying the following specification to the input part of
the UPS, there is the fear of causing the malfunction or damage of the UPS.
Voltage variation: 85 to 138 VAC
Frequency variation: within ±5% of the rated frequency (1Hz/sec.)
Voltage waveform distortion: within 5%
Voltage zero-cross condition: Zero-cross must not occur more than twice per
cycle.
Summary of Contents for M-UPS050AD1B
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