Firex Fire Alarm Manual: A Comprehensive Guide
This manual details Firex alarm systems, covering installation, programming (FX Def2.1), testing, and troubleshooting – ensuring compliance with EN54 & BS5839 standards.
Firex fire alarm systems are designed to provide reliable life safety protection in residential and small commercial environments. These systems prioritize early detection of fire and carbon monoxide (CO), offering interconnected functionality for whole-property awareness. The FX Def2.1 programming facilities allow for customized cause-and-effect matrices, enabling advanced scenarios like phased and cascade evacuations, tailored to specific building layouts and occupancy needs.
Firex alarms adhere to stringent industry standards, including EN54 parts 2 and 4, and BS5839 Part 4, ensuring performance and dependability. Understanding the system’s capabilities, proper installation, and regular maintenance – as detailed in this manual – are crucial for optimal operation and adherence to CPD compliance requirements. This guide will empower users to effectively manage and maintain their Firex system.
Understanding Firex Alarm Components
Firex systems comprise several key components working in unison. Smoke alarms, utilizing photoelectric or ionization sensing, detect airborne particles. Carbon Monoxide (CO) detectors safeguard against the silent threat of CO poisoning, with programmed lifespans dictating replacement schedules. The alarm control panel serves as the system’s brain, interpreting sensor signals and initiating alerts.
Interconnect wiring – typically utilizing black, white, and a dedicated interconnect wire (yellow or red) – allows alarms to communicate. FX intelligent devices expand system capabilities, offering networkability and advanced features. Storage tank pump function LED indicators provide visual confirmation of pump status. Proper understanding of each component, and their interaction, is vital for effective system operation and troubleshooting, as outlined in the KF10 and KF20 user guides.

Installation and Wiring
Proper installation is crucial; connect black to black, white to white, and interconnect wires correctly, especially when integrating with existing 14/3 Romex systems.
Wiring Basics: Black, White, and Interconnect
Understanding Firex wiring is fundamental for a reliable system. Typically, black wires represent the hot or power supply, while white wires serve as the neutral connection. Always ensure a secure connection between these wires for consistent power delivery to the alarm components. The interconnect wire, often yellow or red, is vital for interconnected systems, allowing all alarms to activate simultaneously upon detection.
When connecting to existing wiring, carefully identify the corresponding wires. If using 14/3 Romex, the interconnect usually connects to the existing red wire. Turn the breaker off before making any connections to prevent electrical shock. Incorrect wiring can lead to system malfunction or false alarms, so double-check all connections before restoring power. Proper grounding is also essential for safety and optimal performance.
Connecting to Existing Systems (14/3 Romex)
Integrating Firex alarms with existing 14/3 Romex wiring requires careful attention. First, always disconnect power at the breaker before commencing any work. Identify the existing wires: black (hot), white (neutral), and red (typically the interconnect). The Firex alarm’s black wire connects to the existing black wire, and white to white, ensuring consistent power.
Crucially, the Firex interconnect wire (often yellow or red) should connect to the existing red wire in the 14/3 Romex. This enables interconnected functionality, triggering all alarms when one detects a threat. Verify secure connections and proper insulation. Home Depot stock can vary, so inspect units for freshness. Incorrect wiring can cause malfunctions; double-check before restoring power.
Boiler Flow Temperature Alarm Integration
Firex systems offer integration with boiler flow temperature monitoring, providing an additional layer of safety. The system automatically triggers an alarm if the boiler’s flow temperature exceeds a pre-set value, designated as ‘P 2’. This feature is vital for preventing overheating and potential hazards associated with boiler malfunctions.
Upon exceeding the P 2 threshold, the alarm controller initiates a start command to activate necessary equipment. This proactive response minimizes risks. The system’s advanced programming facilities, utilizing FX Def2.1, allow for customized temperature thresholds and alarm responses. Regular testing of this integration is crucial to ensure reliable operation and adherence to safety standards.

Programming and Configuration
Firex systems utilize FX Def2.1 for advanced cause-and-effect programming, enabling complex scenarios like phased and cascade evacuations with ease and precision.
FX Def2.1 Programming Facilities
The FX Def2.1 programming facilities represent a cornerstone of the Firex system’s flexibility and power. This interface allows for the creation of advanced and complex cause-and-effect matrices, moving beyond simple alarm responses to encompass sophisticated building safety protocols. Users can define precise actions triggered by various events, tailoring the system to the specific needs of a facility.
Crucially, FX Def2.1 facilitates the implementation of phased and cascade evacuation scenarios. This means that, instead of a building-wide alarm, specific zones can be alerted sequentially, minimizing disruption and ensuring a more orderly evacuation process. The system’s intuitive design simplifies the programming of these complex sequences, even for those without extensive technical expertise. It allows for detailed control over alarm activation, notification pathways, and system responses, enhancing overall safety and operational efficiency.
Advanced Cause and Effect Programming
Advanced cause and effect programming within the Firex system, enabled by FX Def2.1, allows for highly customized responses to fire events. Beyond basic alarm activation, this functionality permits intricate sequences, such as automatic door releases, HVAC system shutdown, and elevator recall – all triggered by specific detector inputs and pre-defined conditions.
The system’s programming interface enables users to define multiple layers of response, prioritizing safety and minimizing false alarms. For example, a delay can be programmed before a full evacuation is initiated, allowing for verification of the alarm source. Furthermore, the system supports complex logic, enabling responses based on multiple inputs and time-based events. This level of control ensures that the Firex system adapts precisely to the unique requirements of each protected premise, maximizing safety and operational efficiency.
Phased and Cascade Evacuation Scenarios
Firex systems, leveraging the FX Def2.1 programming facilities, excel in implementing sophisticated evacuation strategies. Phased evacuation divides a building into zones, activating alarms and initiating evacuation procedures only in the affected area, minimizing disruption. This targeted approach reduces panic and allows occupants in unaffected zones to continue normal activities.
Cascade evacuation builds upon this, sequentially activating zones based on fire spread or escalation. For instance, the immediate fire zone evacuates first, followed by adjacent zones if the threat persists. This tiered response optimizes evacuation speed and efficiency. Programming these scenarios involves defining zones, assigning detectors to each zone, and configuring the sequence of alarm activation and evacuation procedures. Careful planning and testing are crucial to ensure a safe and effective evacuation strategy tailored to the building’s layout and occupancy.

System Compatibility and Standards
Firex alarms meet EN54 parts 2 & 4, BS5839 Part 4, and CPD requirements, ensuring reliable performance and adherence to crucial safety regulations.
EN54 Parts 2 and 4 Compliance
Firex fire alarm systems demonstrate full compliance with EN54 Parts 2 and 4, representing a critical commitment to life safety within European standards. EN54 Part 2 specifically addresses the requirements for control and indicating equipment, ensuring reliable operation and clear signaling during emergencies. This includes aspects like power supply stability, fault indication, and overall system integrity.
Furthermore, EN54 Part 4 focuses on the performance of heat detectors, verifying their ability to accurately and consistently detect abnormal temperature rises. Meeting these standards signifies that Firex components have undergone rigorous testing and evaluation, guaranteeing their functionality and dependability in real-world fire scenarios. This adherence provides peace of mind, knowing the system will perform as expected when needed most, protecting lives and property.
BS5839 Part 4 Compliance
Firex fire alarm systems are designed and manufactured to fully comply with BS5839 Part 4, the British Standard for domestic fire detection and alarm systems. This standard provides recommendations for the installation, commissioning, and maintenance of systems within residential properties, ensuring optimal protection for occupants. BS5839 Part 4 categorizes systems based on their level of protection, from simple standalone alarms to sophisticated interconnected networks.
Firex systems meet the requirements for various categories, offering flexibility to suit different household needs. Compliance includes considerations for smoke detector placement, power supply requirements, and testing procedures. Adhering to BS5839 Part 4 demonstrates a commitment to providing reliable and effective fire protection, giving homeowners confidence in the system’s ability to safeguard their families and possessions.
CPD Compliance
Firex fire alarm systems demonstrate commitment to quality and safety through CPD (Construction Products Directive) compliance. This directive, now superseded by the CPR (Construction Products Regulation), ensured that construction products sold within the European Economic Area met harmonized standards. Firex products underwent rigorous testing and assessment to achieve CPD certification, verifying their performance and reliability.
CPD compliance covered aspects like reaction to fire, ensuring materials wouldn’t contribute excessively to fire growth or smoke production. While CPD has been replaced, the principles of rigorous testing and performance verification remain central to Firex’s manufacturing process under the CPR. This dedication to standards provides assurance to customers that Firex alarms are dependable and contribute to building safety, meeting essential regulatory requirements.

Testing and Maintenance
Regular testing of Firex alarms is crucial; test each unit post-installation and interconnected systems thoroughly. CO detectors have programmed lifespans requiring attention.
Initial Smoke Alarm Testing
Post-installation, rigorous testing of each smoke alarm is paramount to confirm correct functionality and proper installation. This initial assessment verifies the unit’s responsiveness to smoke or combustion particles, ensuring it activates the alarm sequence as designed.
To perform the test, utilize the test button located on the alarm housing. Press and hold this button until a loud, distinct alarm sound is emitted. This confirms the alarm’s internal circuitry and sounder are operational.
Crucially, observe the alarm’s indicator lights during testing; they should illuminate as expected, signaling the alarm’s activation. If the alarm fails to sound, or the indicator lights do not function correctly, investigate the wiring connections and power supply immediately. Refer to the installation guide for detailed troubleshooting steps.
Interconnected System Testing
When Firex alarms are interconnected, comprehensive system testing is essential after installation to guarantee coordinated operation. Triggering one alarm should immediately activate all connected units, providing a whole-house alert. Begin by activating a single alarm using its test button.
Listen carefully to confirm that all other interconnected alarms sound simultaneously. Observe the indicator lights on each unit; they should all illuminate, signifying a system-wide response. If any alarm fails to activate, systematically check the wiring connections between units.
Ensure the interconnect wiring (typically yellow or red) is secure and properly connected. A faulty connection can disrupt the entire system’s functionality. Repeat the test with different alarms to verify consistent performance throughout the network.
CO Detector Lifespan and Programming
Firex carbon monoxide (CO) detectors have a limited lifespan, typically around 5-7 years, after which their sensors can become unreliable. CO detectors are programmed to start beeping or shut down at a certain age, signaling the need for replacement. This is a crucial safety feature, as a failing detector may not provide adequate warning.
Some Firex models allow for programming to adjust sensitivity or silence nuisance alarms. However, never disable the CO detection function entirely. Regularly check the detector’s display or consult the user guide to determine its remaining lifespan.
Replace the CO detector immediately when it reaches its end-of-life date, even if it appears to be functioning correctly. Proper maintenance and timely replacement are vital for ensuring continuous CO protection.

Troubleshooting Common Issues
Address alarm sounds promptly; first, check for fire sources. False alarms require investigation, while proper testing ensures system functionality and reliable operation.
Alarm Sounds – Initial Response
Upon hearing an alarm, immediate action is crucial. The primary response should always be to investigate potential fire sources within the premises. Do not dismiss the alarm as a false trigger without thorough checking.
Ensure all occupants are aware of the alarm and begin evacuation procedures if a fire is suspected or confirmed. Familiarize yourself and your family with established emergency plans.
If no fire is detected, consider potential causes of false alarms, such as cooking fumes or steam. However, never disable the system without identifying the root cause. Document the incident and consult the manual for further troubleshooting steps. Remember, a functioning alarm system is vital for safety.
Identifying Fire Sources
When an alarm activates, systematically check potential fire origins. Begin with areas closest to the sounding device, expanding your search outwards. Look for visible smoke, flames, or unusual heat. Don’t overlook concealed spaces like attics, basements, or behind appliances.
Check kitchens for unattended cooking, electrical outlets for sparking or burning smells, and heating appliances for malfunctions. Be cautious when opening doors – feel for heat before entering.
If a fire is discovered, immediately activate the building’s fire alarm system (if not already active) and evacuate. Never attempt to extinguish a large fire yourself; prioritize safety and call emergency services promptly. Accurate source identification aids effective response.
Addressing False Alarms
False alarms are disruptive and can diminish response to genuine emergencies. Common causes include cooking fumes, steam, dust, or even insect activity near smoke detectors. Immediately identify the triggering event and ventilate the area if possible.
If caused by cooking or steam, improve ventilation during similar activities. Regularly clean detectors to remove dust and debris. Ensure detectors aren’t placed near bathrooms or kitchens without proper consideration.
CO detectors may signal a false alarm near fuel-burning appliances during initial use. If false alarms persist, consult a qualified technician to assess system programming and detector placement. Document all false alarm events to identify patterns.

Advanced Features
Firex systems offer networkability with intelligent devices and include storage tank pump function LED indicators, enhancing monitoring and control capabilities.
Networkability with FX Intelligent Devices
Firex alarm systems demonstrate exceptional networkability, seamlessly integrating with a comprehensive range of FX intelligent devices. This connectivity expands system functionality, allowing for sophisticated monitoring and control across an entire facility. Utilizing networked devices enables centralized management, providing real-time status updates and facilitating rapid response to alarm events.
The interconnected nature of these devices enhances diagnostic capabilities, simplifying troubleshooting and maintenance procedures. Advanced communication protocols ensure reliable data transmission, minimizing the risk of signal loss or interference. Furthermore, network integration supports phased and cascade evacuation scenarios, optimizing emergency response strategies. This feature, coupled with the FX Def2.1 programming facilities, allows for highly customized and effective fire safety solutions.
Storage Tank Pump Function LED Indicators
Firex systems offer integrated functionality for monitoring storage tank pumps, utilizing dedicated LED indicators to display operational status. These indicators provide immediate visual confirmation of pump activity, crucial for maintaining fuel supply during fire events. A lit indicator signifies the pump is actively running, ensuring continued water delivery for fire suppression systems.
This feature enhances system reliability and simplifies maintenance procedures, allowing technicians to quickly assess pump performance. The LED indicators are clearly labeled and easily accessible, promoting efficient troubleshooting. Proper pump operation is vital for effective fire protection, and these indicators offer a valuable layer of assurance. The alarm controller sends a start command to the pump based on pre-programmed cause and effect matrices.

Safety and Best Practices
Prioritize family safety by thoroughly understanding emergency procedures and regularly reviewing evacuation plans; familiarity is key during critical moments, ensuring a swift response.
Familiarizing Yourself with Emergency Procedures
Understanding your Firex system’s response is paramount. Know what each alarm signal signifies – smoke, carbon monoxide, or system fault. Practice evacuating your home swiftly and calmly, designating a safe meeting point outside. Ensure everyone, including children, knows the sound of the alarm and the escape route.
Regularly discuss and rehearse these procedures with all family members. Consider different scenarios, such as nighttime emergencies or blocked exits. Assign responsibilities, like assisting those with mobility issues. Remember, a well-rehearsed plan dramatically increases survival chances. Keep emergency contact numbers readily accessible and ensure everyone knows how to call for help. Prioritize a quick and orderly evacuation above all else.
Reviewing Emergency Plans with Family
Regular family meetings are crucial to reinforce the emergency plan. Discuss the primary and secondary escape routes from each room, emphasizing the importance of staying low to the ground during a fire. Practice using a home fire escape ladder if applicable. Ensure everyone understands their assigned roles, such as assisting younger children or elderly family members.
Review the location of the designated meeting point outside the home and emphasize the rule of not re-entering the building for any reason. Discuss potential obstacles to escape and how to overcome them. Regularly update the plan to reflect changes in household members or living arrangements. A practiced and understood plan is a life-saving asset.

Specific Firex Models
This section provides user guides for the KF10 and KF20 Firex alarms, detailing specific features, programming options, and troubleshooting steps for each model.
KF10 Fire Alarm User Guide
The KF10 Fire Alarm User Guide provides essential information for the proper installation, operation, and maintenance of this specific Firex model. It details the system’s capabilities, including its compatibility with interconnected systems and adherence to relevant safety standards; Users will find guidance on initial testing procedures, ensuring each alarm functions correctly post-installation.
Furthermore, the guide outlines the importance of regular system checks and addresses the lifespan considerations for CO detectors, including programming aspects related to their operational limits. It emphasizes the significance of understanding cause and effect programming, leveraging the FX Def2;1 facilities for customized emergency responses. The manual also covers basic troubleshooting steps to address common issues, promoting user self-sufficiency and system reliability. Download the complete 8-page, 6MB guide for comprehensive details.
KF20 Fire Alarm User Guide
The KF20 Fire Alarm User Guide serves as a crucial resource for owners and installers of this Firex model, detailing its features and operational procedures. It emphasizes the importance of correct wiring – black to black, white to white, and interconnects properly aligned – often utilizing 14/3 Romex for connections. The guide explains how the alarm controller initiates equipment start commands based on pre-programmed cause and effect interfaces.
Users will find information on boiler flow temperature alarm integration, triggered when temperatures exceed a set P2 value. It also highlights the significance of familiarizing oneself with emergency procedures and reviewing plans with family members. The guide, available as a free PDF download, covers 16 pages and 674KB of detailed instructions, ensuring safe and effective system operation and adherence to industry standards.

Differences Between Fire and Security Systems
Fire and security systems differ significantly, particularly in wiring configurations; fire systems prioritize life safety, while security focuses on property protection, demanding distinct approaches.
Wiring Differences: Fire vs. Security
Crucially, fire alarm wiring differs substantially from security system wiring. Fire systems, like Firex, often utilize a standardized color code – black for hot, white for neutral, and yellow or red for interconnect. When connecting to existing 14/3 Romex, ensure black-to-black, white-to-white, and the interconnect to the existing yellow wire, typically red.
Security systems, conversely, frequently employ different color schemes and wiring practices. Fire alarm circuits are designed for reliability and continuous operation, often requiring supervised loops to detect tampering or faults. Security systems prioritize intrusion detection and may utilize end-of-line resistors or other security measures. Understanding these distinctions is paramount for proper installation and functionality, ensuring life safety and system integrity.
Understanding System Specifics
Firex systems offer networkability with FX intelligent devices, expanding functionality and control. The FX Def2.1 programming facilities enable complex cause-and-effect programming, including phased and cascade evacuation scenarios, crucial for larger buildings. Boiler flow temperature alarms integrate seamlessly, triggering alerts if temperatures exceed pre-set values (P2).
Specific models, like KF10 and KF20, have unique user guides detailing their features. CO detectors have programmed lifespans, initiating beeping or shutdown upon reaching their end-of-life. Regular testing – initial and interconnected – is vital. Familiarize yourself with emergency procedures and review plans with family members for optimal safety and preparedness.