1. Introduction
This instruction manual provides essential information for the proper installation, operation, and maintenance of the FIRE-LITE ALARMS MMF-300 Addressable Monitor Module. The MMF-300 is designed to integrate conventional alarm initiating devices into an addressable fire alarm control panel (FACP) system. It features built-in type identification, allowing the control panel to automatically recognize it as a monitor module.
2. Safety Information
WARNING: Installation and servicing of this device must be performed by qualified personnel only. Adhere to all local and national electrical codes and standards.
- De-energize Unit: Always ensure the fire alarm control panel and associated circuits are completely de-energized before installing, servicing, or removing the MMF-300 module. Failure to do so may result in electrical shock, equipment damage, or false alarms.
- Proper Wiring: Use appropriate wire gauges and types as specified in the installation instructions and local codes. Incorrect wiring can compromise system integrity and safety.
- Environmental Conditions: Install the module in a dry, protected environment within its specified operating temperature and humidity ranges.
- System Testing: After installation or any service, thoroughly test the entire fire alarm system to ensure proper operation of all components, including the MMF-300 module.
Figure 2.1: Front view of the MMF-300 module cover. Note the "CAUTION DE-ENERGIZE UNIT PRIOR TO SERVICING" text printed on the cover, emphasizing safety during installation and maintenance.
3. Product Overview
The MMF-300 Addressable Monitor Module is a compact device designed to monitor a circuit of conventional alarm initiating devices, such as smoke detectors, heat detectors, or manual pull stations. It reports the status of these devices (normal, alarm, or trouble) to the fire alarm control panel using a single address on the Signaling Line Circuit (SLC).
Figure 3.1: Internal view of the MMF-300 module. This image displays the wiring terminals, the address rotary switches (TENS and ONES), and various product labels including the model number, UL listing, and manufacturer information.
Key Features:
- Built-in type identification for automatic recognition by the control panel.
- Single address reporting for a zone of conventional devices.
- Compact design for easy installation.
4. Setup and Installation
Follow these steps for proper installation of the MMF-300 module:
- Mounting: Securely mount the module in an appropriate electrical box or enclosure. Ensure the "TOP" indicator on the module's base is oriented correctly.
- Address Setting: Set the desired address for the module using the two rotary switches labeled "TENS" and "ONES" (refer to Figure 3.1). Consult your fire alarm control panel's manual for available addresses and programming procedures.
- Wiring: Connect the module to the Signaling Line Circuit (SLC) and the conventional initiating device circuit (IDC) as per the wiring diagram provided in your FACP manual and on the module itself.
Figure 4.1: Rear view of the MMF-300 module, illustrating the terminal block connections. Terminals T1 and T2 are typically for the SLC loop, while T6 through T9 are for the supervised initiating device circuit (IDC).
Wiring Connections (Refer to Figure 4.1):
- SLC (+) T2: Connect to the positive terminal of the SLC loop.
- SLC (-) T1: Connect to the negative terminal of the SLC loop.
- T6 SUP A/B (-), T7 SUP A/B (+), T8 SUP A (+), T9 SUP A (-): These terminals are for connecting the conventional initiating device circuit. Ensure proper polarity and supervision resistor placement as specified by the FACP manufacturer.
5. Operating Instructions
Once properly installed and addressed, the MMF-300 module operates automatically as part of the fire alarm system. It continuously monitors the connected conventional initiating device circuit for changes in status.
- Normal Operation: In a normal state, the module communicates its status to the FACP, indicating that the monitored circuit is intact and no alarm or trouble conditions are present.
- Alarm Condition: When an initiating device on the monitored circuit activates (e.g., a smoke detector goes into alarm), the MMF-300 detects this change and transmits an alarm signal to the FACP. The FACP will then initiate its programmed alarm responses.
- Trouble Condition: If a fault occurs on the monitored circuit (e.g., an open circuit, short circuit, or ground fault), the MMF-300 detects this trouble condition and transmits a trouble signal to the FACP. The FACP will then indicate a trouble condition for that specific module address.
6. Maintenance
Regular maintenance is crucial for the reliable operation of any fire alarm system component. The MMF-300 module requires minimal direct maintenance, but its associated wiring and connections should be inspected periodically.
- Visual Inspection: Periodically inspect the module for any signs of physical damage, corrosion, or loose connections.
- Connection Integrity: Ensure all wiring connections to the terminals are secure. Over time, vibrations or environmental changes can loosen terminal screws.
- System Testing: Follow the recommended testing schedule for your fire alarm system, which should include testing the functionality of all monitor modules and their connected devices.
- Cleaning: If necessary, gently clean the exterior of the module with a soft, dry cloth. Do not use abrasive cleaners or solvents.
7. Troubleshooting
If the MMF-300 module or its monitored circuit is not functioning as expected, consider the following troubleshooting steps:
- Module Trouble Indication: If the FACP indicates a trouble condition for the MMF-300's address, first verify that the module is correctly addressed and wired. Check for open circuits, short circuits, or ground faults on the initiating device circuit.
- No Communication: If the FACP does not recognize the module or shows a communication fault, ensure the SLC wiring is correctly connected to terminals T1 and T2, and that the SLC loop is active.
- Terminal Screw Issues: In rare cases, a terminal screw may strip during installation or re-tightening. If this occurs, carefully replace the terminal block if possible, or consult with a qualified technician for repair or module replacement.
- False Alarms/Troubles: Investigate the connected initiating devices and their wiring for potential issues that could cause intermittent false alarms or trouble signals.
If issues persist after performing these checks, contact qualified fire alarm service personnel.
8. Specifications
| Attribute | Value |
|---|---|
| Brand | FIRE-LITE ALARMS |
| Model Number | MMF-300 |
| Manufacturer | Fire Lite Alarms |
| Power Source | Corded Electric |
| Item Weight | 3.2 ounces (0.2 Pounds) |
| Product Dimensions | 5 x 5 x 1.5 inches |
| Alarm Type | Audible (Refers to system capability when connected) |
| UPC | 783863012433 |
9. Warranty and Support
For specific warranty information regarding the MMF-300 Addressable Monitor Module, please refer to the documentation provided with your purchase or contact the seller or manufacturer directly. Warranty terms typically cover defects in materials and workmanship under normal use.
For return information or technical support, please contact:
FIRE-LITE ALARMS INC.NORTHFORD, CT
U.S.A.
Always provide the model number (MMF-300) and any relevant serial numbers when seeking support.
