LiftMaster LM21XPBB: Extended Performance Fire Door Release
Garage Door Opener Guide
LiftMaster LM21XPBB Extended Performance Release Device
The LiftMaster LM21XPBB is an advanced fire door release device designed to enhance safety and reliability in commercial and industrial settings. This device ensures that fire doors operate effectively during emergencies, providing a critical component in fire protection systems. Its compliance with UL 864 Revision 9 standards underscores its adherence to stringent safety regulations.
Key Features of the LiftMaster LM21XPBB
- Extended Performance Release: Functions as a standalone fire alarm system, ensuring fire doors close automatically during emergencies.
- Internal Battery Backup System: Maintains operation during power outages, ensuring continuous fire door functionality.
- Programmable Delay Settings: Offers selectable delay times of 10, 20, 30, or 60 seconds before door release, allowing safe evacuation.
- Trouble and Alarm Relays: Facilitates communication with fire alarm control panels, integrating seamlessly into existing fire safety systems.
- Diagnostic LEDs: Provides visual indicators for system status and troubleshooting, simplifying maintenance.
- Audible Trouble Sounder: Alerts personnel to operational issues, ensuring prompt attention to system malfunctions.
- Testing Function: Allows routine fire door testing without activating the entire fire alarm system, ensuring compliance with safety protocols.
- UL 864 Revision 9 Compliance: Meets rigorous safety standards for fire detection and control equipment.
Technical Specifications
- Voltage Rating: 120VAC, 60Hz; 24VAC; 24VDC
- Standby Current: 0.06A (120VAC); 0.3A (24VAC); 0.2A (24VDC)
- Alarm Current: 0.6A (120VAC); 0.3A (24VAC); 0.25A (24VDC)
- Battery Rating: 12V 4.5Ah or 5.0Ah sealed lead-acid batteries (two required)
- Battery Standby Time: 72 hours for LM21XPBB; 24 hours for LM21XPBBVB
- Initiating Device: Maximum line impedance of 20 ohms; maximum current not to exceed 0.010A; maximum voltage 24VDC
- Common Alarm and Trouble Relays: 0.5A at 125VAC, 60Hz; 1A at 24VDC resistive load
- Auxiliary Power: 24VDC at 0.5A maximum
- Physical Dimensions: 9.7 inches (H) x 7.5 inches (W) x 5 inches (D)
- Weight: Approximately 18 lbs
Applications of the LiftMaster LM21XPBB
The LM21XPBB is suitable for various commercial and industrial settings where fire safety is paramount:
- Warehouses and storage facilities
- Manufacturing plants
- Commercial kitchens and food processing units
- Retail spaces and shopping centers
- Educational institutions and campuses
- Healthcare facilities and hospitals
- Parking garages and automotive service centers
Benefits of the LiftMaster LM21XPBB
- Enhanced Safety: Ensures fire doors close automatically during emergencies, reducing the risk of fire spread and protecting occupants and property.
- Regulatory Compliance: Meets industry standards, aiding in adherence to fire safety regulations and building codes.
- Reliability: Robust design and internal battery backup ensure dependable operation even during power failures.
- Ease of Integration: Compatible with various fire detection systems and door operators, facilitating seamless installation.
- Cost-Effective: Offers advanced features typically found in specialized fire door operators at a more accessible price point.
- User-Friendly Testing: Testing function allows for convenient system checks without disrupting normal operations.
Installation and Maintenance
Proper installation and regular maintenance are crucial for the optimal performance of the LM21XPBB:
- Professional Installation: Engage certified technicians to ensure correct setup and integration with existing fire safety systems.
- Regular Testing: Conduct periodic tests using the testing function to verify system readiness and functionality.
- Battery Maintenance: Check battery status regularly and replace as needed to maintain backup power capabilities.
- System Inspections: Schedule routine inspections to identify and address any potential issues promptly.
Why Choose the LiftMaster LM21XPBB?
The LiftMaster LM21XPBB stands out as a reliable and efficient solution for fire door automation. Its advanced features, compliance with safety standards, and ease of integration make it an excellent choice for enhancing fire safety measures in commercial and industrial environments. By ensuring prompt and controlled fire door closure during emergencies, the LM21XPBB plays a vital role in safeguarding lives and property.
Contact Us for Professional Installation
Enhance your facility’s fire safety with the LiftMaster LM21XPBB Extended Performance Release Device. For more information or to schedule a professional installation, contact us today. Our experienced team is ready to assist you in selecting and implementing the best fire safety solutions tailored to your specific needs.