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Machinery Shutdown Restart
System (MSRS)
Installation Instructions
Owner's Manual
PN: 131-740 (4 Relay Circuits), PN: 131-745 (6 Relay Circuits), and PN: 131-750 (8 Relay Circuits)
Warning: This Sea-Fire Machinery Shutdown Restart System has been designed and tested for use with Sea-Fire automatic and manual
Fire Suppression Systems. Installation must be accomplished by or under the supervision of a qualified marine electrician who is familiar
with American Boat and Yacht Council (ABYC) or other recognized and accepted marine standards and practices.
Caution: Do not install this device in fuel storage compartments. See the installation section of this manual for further details.
Read this manual thoroughly and comply with all instructions, warnings, and cautions prior to installation.
THIS MANUAL IS AN INTEGRAL PART OF THE SYSTEM AND AS SUCH, THE SYSTEM MUST BE INSTALLED AND MAINTAINED
ACCORDINGLY.
RETAIN THIS MANUAL FOR REFERENCE
SEA-FIRE MARINE – USA
SEA-FIRE EUROPE, LTD
Baltimore, Maryland
Hampshire, United Kingdom
Your Onboard Safe Choice
www.sea-fire.com
www.sea-fire.co.uk
A Division of Metalcraft, Inc.
123-652 REV -
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Summary of Contents for Sea-Fire 131-740
- Page 1 PN: 131-740 (4 Relay Circuits), PN: 131-745 (6 Relay Circuits), and PN: 131-750 (8 Relay Circuits) Warning: This Sea-Fire Machinery Shutdown Restart System has been designed and tested for use with Sea-Fire automatic and manual Fire Suppression Systems. Installation must be accomplished by or under the supervision of a qualified marine electrician who is familiar with American Boat and Yacht Council (ABYC) or other recognized and accepted marine standards and practices.
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Page 2: General Specifications
Optional Time Delay reset function OPERATION The Machinery Shutdown Restart unit is a low voltage microcontroller unit designed to integrate with the Sea-Fire Fire Suppression System to shut down the engine(s), blower(s), generator(s), damper(s) and other machinery in the protected space should fire or extreme overheating cause the Sea-Fire automatic Fire suppression system to discharge. - Page 3 If there is a High-Temperature, Low-Pressure or an Auxiliary Discharge sensor switch connected to the PS2 terminals, when the sensor switch opens, the alarm activates and both the PS2 LED on the unit and the Second Zone LED on the Display Panel illuminate.
- Page 4 3.3.1 ELECTRICAL INPUT/OUTPUT CONNECTIONS VIN1 + VIN1 - VIN2 + VIN2 - VIN3 + VIN3 - DISPLAY PANEL Figure 2: Input/output Terminal Block 3.3.1.1 MSRS Pressure Switch (PS1) Terminals 1 and 2 connection Install one of the wires from the Cylinder Low-Pressure Switch or from the Discharge Pressure Switch to the terminals marked “1”...
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Page 5: Relay Operation
Compatible Display Panels: “Fire Suppression System Monitor and Engine Shutdown Control” Part Number Display Panel indicators and shape 131-460 Power and Discharge Indication, Rectangle 131-461 Power and Discharge Indication, Round 131-462 Power, Discharge, and High Temp Indication, Rectangle 131-463 Power, Discharge, and High Temp Indication, Round 131-464 Power, Discharge, and Aux Zone Indication, Rectangle 131-465... -
Page 6: Installation Check
The N/O and the COM terminals are connected. 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. INSTALLATION CHECK 1. -
Page 7: Troubleshooting Guide
Check the CAT-5 cable and clean from the Display Panel. the CAT-5 jack. Replace Display Panel. Note: If discharge occurs, contact SEA-FIRE Customer Support for assistance in locating an approved filling location. Page 7 of 11 123-652 Rev -... - Page 8 Page 8 of 11 123-652 Rev -...
- Page 9 Page 9 of 11 123-652 Rev -...
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Page 10: Owner's Record
Manufacturer of Quality Fire, Suppression and Detection Systems This manual will be revise frequently to keep up-to-date with new changes and development. “Sea-Fire Marine, an ISO 9001 registered company, is fully committed to exceeding our Customer’s expectations.” Page 10 of 11... - Page 11 Page 11 of 11 123- 652 Rev -...
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