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Switching to Normal Operation (from Mechanical Bypass)
CAUTION!
Never attempt to switch the UPS back to normal operation until it has
been verified that there are no internal faults.
◆
Turn ON the output breaker.
◆
Turn ON the input breaker.
The UPS is powered from the static bypass instead of the maintenance bypass,
and the bypass LED will illuminate.
◆
Turn OFF the maintenance bypass breaker. The output is then supplied by
the static bypass in the UPS.
◆
Close the maintenance switch cover. The rectifier will operate normally after
30 seconds. If the inverter is functioning normally, the system will transfer
from bypass mode to normal mode.
4.2.4 Cold Start Procedure
CAUTION!
Follow this procedure for when AC input power is not present, but
batteries are in good working condition.
◆
Set the battery breaker to “ON” for long backup time models.
◆
Turn ON the power switch (power will feed the auxiliary power board).
◆
Turn ON the output breaker.
◆
Press the cold start button.
The rectifier starts operation and 30 seconds later, the inverter starts, and
the battery LED illuminates.
Содержание Tri-Athlon ATWN-10003-02
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