Function Test Of Alarm System - Kongsberg SR Series Maintenance Manual

Maintenance manual

7.14 Function test of alarm system

Please follow below procedure in order to complete a function test of the applicable alarms on the
alarm system installed, either for frequency driven pumps (FCP), or a conventional driven pumps (PU).
Note there are 5 sec delay in the alarm system and if any alarm is present in the alarm system the auto
start/stop will not work, so please acc. all alarms on the alarm panel before you test the next alarm.
Overload alarm:
FCP systems: Indicate an overload of the current limit converter, class requirement is 200% for 1
minute; we do not recommend to test this. Disconnect the overload contact in motor controller or on
the frequency converter. See drawing for reference. The stand-by pump should start if not already
running.
PU systems: Push the test button on the overload relay in motor controller. The stand-by pump should
start if not already running.
Phase failure alarm:
Remove one of the fuses supplying the phase failure monitoring relay in the motor controller cabinet,
the stand-by pump should start if not already running.
Pw/Frequency failure:
Turn of main switch S1 in the motor controller or the circuit breaker from switch board. The stand-by
pump should start if not already running.
Power control failure alarm:
Set the S2 selector switch located on the outside of the motor controller cabinet to local control or
stop, the stand-by pump should start if not already running.
Low oil level alarm:
Disconnect the connection plug on top of the expansion tank.
The stand-by pump should start if not already running.
Hydraulic lock alarm:
FCP systems: Disconnect X1- 2 in the connection boxes on top of the valve, there are one alarm box for
each pump.
PU systems: Activate manual solenoid in either direction while the motor controller is in remote
control. Keep activated for more than 5 seconds.
The stand-by pump should start if not already running.
High oil temp:
Remove the plug on the temperature sensor. This alarm do not have auto start of the stand-by pump.
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