System Alarms - Eaton APS12-300 Series Installation And Operation Manual

System Alarms

Equipment Required:
dc load bank

dc power supply

Test Test procedure

For all alarms check the following where applicable:
General notes about

alarm testing





Reducing the alarm recognition time will reduce the alarm
testing time.

There may be more than 1 method to perform the
following alarm tests.

Increase the Low Float Threshold to just below the float
Low Float
voltage.
Note 1

Reduce the system voltage by heating the battery
temperature sensor
- or -

Disconnect the battery from the system.

Start a Battery Test.

The system voltage will fall.

Ensure alarm operates.

Test as for the Low Float test.
Low Load
Note that the Low Load Threshold is lower than the Low Float
threshold.

Ensure alarm operates.

Set the system Float Voltage above the High Float Threshold.
High Float
- or -
Note 1

Reduce the High Float Threshold and increase the system
voltage by starting an Equalize.
- or -

Reduce the High Float Threshold and increase the system
voltage by cooling the battery temperature sensor.

Ensure alarm operates.

Increase the system voltage.
High Load

Test as for the High Float test.


Ensure alarm operates.

Turn off a rectifier ac MCB (if fitted).
Rectifier Fail

The rectifier will turn off.

Ensure alarm operates.

Turn off the ac MCBs to 2 rectifiers (if fitted).
Multiple rectifier fail

The rectifiers will turn off.

Ensure alarm operates.

Remove a rectifier from the system.
Rectifier comms lost

Ensure alarm operates.
SC200 or SC100 LED status.
SC200 or SC100 display indication.
DCTools/Web alarm indication
Remote alarm indication (PowerManagerII, SNMP
traps, and so on)
Digital outputs (relays).
Note the High Load Threshold is higher than the
High Float Threshold
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IPN 997-00012-49G
Adjustment
May 2013
Commissioning
99