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123-652 Rev -
4.3
Relay Energized State
When the MSRS is operational and is in the shutdown state, all the relays should be in the energized state.
The N/C terminal is open.
The N/O and the COM terminals are connected.
4.4
Relay 20 Second Reset
Automatic reset timer functions are optional in the MSRS. Please contact Sea-Fire Marine for additional
information regarding the setting of the relay 20 second timer.
5
INSTALLATION CHECK
1.
Check that all the Machinery wires installed in the MSRS terminal blocks are correct and secure as described
above and from the machinery’s installation manuals.
2.
Apply power to the MSRS. The Green Power LED on the MSRS Unit and Display Panel should illuminate.
3.
Start vessel engine(s) and all other machinery connected to / controlled by the MSRS.
4.
Press the “
” Dimmer Button on the Display Panel and the Green Power LED intensity on the panel and the
MSRS Unit shall change. Press again to return to full brightness.
5.
Open the “PS1” circuit loop. The relays should energize, all connected machinery should shut down, the alarm
should sound and the red “PS1” LED on the MSRS Unit should illuminate as well as the red Discharge LED on the
Display Panel.
6.
Press the “SILENCE” button on the Display Panel or on the MSRS Unit to silence the alarm.
7.
With the PS1 circuit still open, put the MSRS into override by simultaneously pressing the “SILENCE” and the “
”
buttons on display panel.
a.
The connected machinery should be able to be restarted.
b.
The red Discharged LED on the Display Panel and the red PS1 LED on the MSRS unit will remain illuminated.
8.
Reset the unit by closing the PS1 circuit loop and simultaneously press the “SILENCE” and the “
” buttons.
9.
The Green power LED on display panel and MSRS Unit should be the only LEDs lit.
The PS2 circuit:
1.
If applicable, open “PS2” circuit. The alarm should sound and both the “PS2” LED on the MSRS Unit and the Second
Zone (Low Pressure, High Temp or Aux Discharge) LED on the Display Panel should illuminate. The Relays should
remain in the de-energized state.
2.
Reset the unit by closing the PS2 circuit and simultaneously press the “SILENCE” and the “
” buttons.
3.
The green POWER LED on the Display panel and the MSRS unit should be the only LEDs lit.
4.
Use one of the Display Panels in a multiple Display Panel chain to reset the MSRS unit.
Summary of Contents for 131-740
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