The Chubb FSM-ES/FSM-S Fire System Monitoring Panels are designed to provide visual and audible indication of fire suppression system status, alarms, and faults in mobile and transportable equipment. These panels serve as both an indicator panel and a user interface, integrating features for system monitoring, testing, and control.
Function Description:
The FSM-S (Standard model) and FSM-ES (Engine Shutdown model) panels monitor the status of a fire suppression system. They receive inputs from pressure switches to detect low pressure conditions or system discharge. Upon detecting an alarm or discharge, the panels activate visual and audible indicators to alert the operator. The FSM-ES model includes additional functionality for engine shutdown, allowing for a controlled shutdown of equipment in the event of a fire.
Key functions include:
- System Status Indication: Visual LEDs for Power, Alarm, Discharged, Shutdown (FSM-ES only), and Low Pressure.
- Audible Alarm: A buzzer provides audible alerts for various conditions.
- Manual Controls: Buttons for DIM (LED brightness), TEST (LEDs and buzzer), RESET (after an event), and ACK (acknowledge/silence low pressure alarm).
- Engine Shutdown (FSM-ES only): Initiates a countdown timer for equipment shutdown upon alarm/discharge, with options for delay and manual extension.
- Pressure Monitoring: Inputs for low pressure and discharge pressure switches to detect system integrity and activation.
Important Technical Specifications:
- Operating Voltage: 8 to 35 volts (nominal 12 or 24 volts).
- Enclosure Rating: IP65 rated enclosure and IP69 rated Deutsch DT series connectors, ensuring protection against dust and water ingress.
- Buzzer Output: 85 dBA at 1 meter.
- LEDs: Ultrabrite mini LEDs for clear visual indication.
- Pressure Switches:
- Cylinder low pressure switch: 2-pole, N/C (Normally Closed) configuration.
- Discharge pressure switch: 2-pole, N/C (Normally Closed) configuration.
- Specified for Chubb PEFS systems: "Pressure Low" (1,200kPa setting, part number 87042) and "Discharge" (200kPa setting, part number 87041). Both have 1/8"NPT thread connection and IP65 rated Deutsch DTM series connectors.
- Engine Shutdown Relay (FSM-ES only): 3-pole output, clean contact, capable of switching 2A @ 30V DC. Selectable contacts (N/O or N/C, default N/O), latching.
- Engine Shutdown Delay Periods (FSM-ES only): Variable settings of 0, 15, 30 (default), and 60 seconds, configurable via internal dipswitches.
- Wiring: Recommended wire gauge size of 0.75mm (18 AWG) for 6 Amp capacity.
- Mounting: Secured using four mounting holes, suitable for bolts with thread diameter no greater than 4.5mm and head diameter no greater than 9.5mm.
- Compliance: AS 5062 compliant features.
Usage Features:
- Operator Visibility and Accessibility: Designed to be visible and accessible to the operator in their normal position.
- LED Brightness Control (DIM): Allows the operator to adjust the brightness of the LED indicators by holding down the 'DIM' button until the desired level is reached.
- System Test (TEST): Pressing and holding the 'TEST' button illuminates all LEDs and sounds the audible alarm, allowing for a quick system check.
- System Reset: After an alarm, discharge, or shutdown event, the panel can be reset by simultaneously pressing and holding the 'DIM' and 'TEST' buttons.
- Low Pressure Alarm Acknowledgment (ACK):
- FSM-ES: Press 'DELAY' and 'TEST' buttons simultaneously to silence the low pressure alarm for one hour.
- FSM-S: Press the dedicated 'ACK' button to silence the low pressure alarm for one hour.
- A confirmation of two short beeps indicates the alarm has been silenced.
- Engine Shutdown Delay (FSM-ES only):
- Allows the operator to safely bring equipment to rest before shutdown is activated.
- The 'DELAY' button can be pressed repetitively to restart the countdown timer or held indefinitely to pause it.
- Configurable delay periods (0, 15, 30, 60 seconds) to suit operational requirements.
- Clear Indication: Distinct visual and audible signals for different events (e.g., low pressure alarm sounds every 10 seconds, discharge alarm sounds once per second).
- Electromagnetic Compatibility: Input cables should be routed away from high RF energy sources to minimize interference.
Maintenance Features:
- Troubleshooting Guide: The manual provides detailed troubleshooting tables for common faults such as power supply failure, alarm conditions, and low pressure faults, including probable causes and corrective actions.
- Visual Inspection: Emphasizes visual inspection for loose connections, burned parts, or other visible damage as a first step in troubleshooting.
- Power Supply Checks: Recommends checking battery and line voltages as part of troubleshooting power-related issues.
- Commissioning: Requires a full commissioning test in accordance with AS5062-2006 to ensure correct installation and full functionality, with outcomes recorded in a commissioning report.
- Documentation: The manual serves as a comprehensive guide for installation, operation, and maintenance, intended for qualified, trained personnel.
- Feedback Mechanism: A feedback form is included for users to provide recommendations for improvement, facilitating continuous product development.
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