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Inverter Module Installation and Operation
3-8 TM-DIOP-01XN-01
Overload Protection
The inverter will deliver the rated load power continuously at the rated
ambient temperature. It will also reliably operate up to 1600 Watts
without further restriction on the maximum ambient temperature. The
internal temperatures of critical components monitored by the DSP will
determine operating time at this overload range. Beyond 1600 Watts, the
DSP computes the power and extrapolates the operating time at that
power level before shutting down. The maximum overload rating is
3000 Watts for 5 seconds. After each overload trip event, the inverter
re-starts after a 10-second pause. Should three such events occur within a
2-minute interval, the inverter shuts down permanently. Normal operation
can be restored by clearing the alarm (see “To Clear an Alarm” on
page 3–11) or using the front panel switch.
Figure 3-3
Overload curve
OVERLOAD OPERATION
0
500
1000
1500
2000
2500
3000
3500
0 5 10 15 20
Time (s)
Output Power (W)