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Ascend Single Phase Charger Operation Manual
7.5.6. Charger Overload
If any charger module is in overload, the Charger Overload alarm will be activated. An alarm relay may
be configured for remote annunciation, under normal operation the alarm relay is energized.
7.5.7. DC Output Breaker Open
The DC Output breaker position is monitored to see if the charger output is not connected. The Main
display will indicate the DC output breaker position in the mimic screen. An alarm relay may be
configured for remote annunciation, under normal operation the alarm relay is energized when the
breaker is closed.
7.5.8. Charger Output Fuse Blown
If the output fuse opens, the Fuse Failure alarm will be activated. An alarm relay may be configured for
remote annunciation, under normal operation the alarm relay is energized.
7.5.9. Equalize Relay
An alarm relay may be configured for Equalize mode remote annunciation, under normal operation the
alarm relay is energized when the Equalize Mode.
7.5.10. Module Over temperature
If any charger module has an over temperature, the Module Over Temperature alarm will be displayed
on the alarm screen. An alarm relay may be configured for remote annunciation, under normal
operation the alarm relay is energized.
7.5.11. Relay Communications Failure
If the Display Control or Relay board does not receive a serial acknowledgement from each other for
more than 5 seconds a Relay communications failure alarm will occur. An alarm relay is provided remote
annunciation, under normal operation the alarm relay is energized.
7.5.12. Relay Configuration
Six additional alarm relays can be configured with alarm relay contacts. Go to Setup -> Adjustments ->
Relay Assignments to configure the alarm(s) relays. Relays K1 and K3 are fixed and cannot be changed.
Figure 26: Relay Assignments
95-100167, Rev A
38
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