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Fenwal 12-E27120-000-05 Detect‑A‑Fire 225 °F Open Rise

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Special Price $311.61 Regular Price $345.89
In stock
SKU
12-E27120-000-05
The Fenwal 12-E27120-000-05 Open Rise Fire Detector is a high temperature, fast response fire detection equipment used to prevent the fire from damaging the HVAC system. It works based on open rise temperature therefore it is capable of detecting a sharp rise in temperature in its environment. This kind of detector is especially useful for the areas with high heat loads, for example, around furnaces, boilers and other equipment using combustion. When the detector detects a sharp and considerable increase in temperature over the set limit of 225°F, it gives out an alarm to signal to the maintenance.
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Specifications

  • Type: Open Rise Fire Detector
  • Temperature Range: 225°F

Detect-A-Fire Fenwal 12-E27120-000-05

The Fenwal 12-E27120-000-05 is a Detect-A-Fire temperature sensor designed to detect overheat or fire conditions in various applications. It's a reliable and versatile device used in fire protection systems to activate alarms, suppression systems, or other safety measures when the temperature reaches a preset threshold. 

Key Features:

  • Rate-of-Rise Detection: This model uses a rate-of-rise detection mechanism, meaning it triggers an alarm when the temperature rises at an abnormally fast rate, even if the absolute temperature is not yet at the set point. This provides faster response times and helps prevent false alarms from temporary temperature fluctuations.
  • Open on Rise: Upon detecting a rapid temperature increase, the sensor's internal contact points open, interrupting a circuit and triggering the connected alarm or suppression system.
  • Adjustable Set Point: The temperature at which the sensor triggers can be adjusted within a specific range, allowing you to tailor it to the specific needs of your application.
  • Repeatability: The sensor is self-restoring, meaning it automatically resets after detecting an overheat and can be reused without replacing any parts.
  • Rugged Construction: The sensor is built with durable materials and robust engineering to withstand harsh environments and shock vibrations.
  • Compact Design: It is simple to install in different places across your system due to its compact size and lightweight design.

Benefits:

  • Early Fire Detection: The rate-of-rise detection technology helps identify potential fires early, allowing for quicker intervention and minimizing damage.
  • Enhanced Safety: The sensor plays a crucial role in activating alarms and suppression systems, protecting people and property from fire hazards.
  • Versatility: The adjustable set point and compact design make it suitable for various applications, including industrial settings, residential buildings, and commercial facilities.
  • Reliable and Durable: The self-restoring nature and robust construction ensure long-lasting performance and minimal maintenance needs.

Signs of a Faulty 12-E27120-000-05 Detect-A-Fire Fenwal

Identifying signs of a faulty Fenwal 12-E27120-000-05 Detect-A-Fire temperature sensor is crucial for ensuring the effectiveness of your fire protection system. Here are some red flags to watch out for:

Alarm Issues:

  • False Alarms: The sensor triggers the alarm even when there's no actual fire or rapid temperature increase, indicating potential malfunction or sensitivity issues.
  • No Alarms: The sensor doesn't trigger the alarm even when there's a genuine fire or rapid temperature rise, suggesting a failure in the detection or activation mechanism.
  • Intermittent Alarms: The sensor triggers the alarm sporadically or unreliably, making it difficult to determine if there's a real fire or a sensor malfunction.

Sensor Performance:

  • Physical Damage: Cracks, dents, or corrosion on the sensor body or contact points could affect its ability to detect temperature changes accurately.
  • Contamination: Dirt, dust, or other debris buildup on the sensor can interfere with its heat detection capabilities.
  • Loose Connections: Loose wiring or connections between the sensor and the alarm or control system can disrupt signal transmission and prevent proper operation.

Other Warning Signs:

  • Unusual Noises: Persistent buzzing, clicking, or other sounds coming from the sensor might indicate internal component issues.
  • Visible Spark or Glow: If you notice any visible sparks or glowing around the sensor, it could be a sign of a dangerous electrical fault and requires immediate attention.
  • Safety concerns: If you suspect a sensor malfunction, false alarms, or any other safety hazards related to your fire protection system, immediately contact a qualified technician.

Remember:

  • Do not attempt to diagnose or repair the Detect-A-Fir 12-E27120-000-05 yourself. Fire protection systems involve sensitive components and specialized knowledge, and improper handling can pose serious safety risks.
  • Always consult a qualified fire protection technician familiar with Detect-A-Fire sensors and fire alarm systems. They can safely diagnose the problem, determine the cause of the fault, and repair or replace the sensor as needed.

Additional Tips:

  • Regularly test your fire alarm system and individual sensors according to manufacturer recommendations and local regulations.
  • Keep the sensor clean and free of debris to ensure optimal performance.
  • Examine the sensor for physical damage or indications of aging.
  • Have a qualified technician perform maintenance checks on your fire protection system periodically.

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Customer Questions
What maintenance is required for the Fenwal 12-E27120-000-05 Detect-A-Fire?

Regularly inspect the Detect-A-Fire for dust, corrosion, or physical damage that may affect sensitivity. Ensure proper mounting and secure wiring connections. Test functionality periodically according to safety protocols. Keeping it clean and intact helps ensure accurate fire detection and safe operation.

What are common issues with the Fenwal 12-E27120-000-05 Detect-A-Fire?

  • Failure to activate at specified temperature threshold.
  • Corroded or loose electrical connections.
  • Mechanical damage affecting sensor response.
  • Inconsistent performance in high humidity or dusty conditions.

Installation Steps

Step 1: Disconnect power to the fire alarm or monitoring circuit before installation.

Step 2: Select a mounting location where heat buildup can be accurately detected and verify it meets system design requirements.

Step 3: Thread the detector into the approved mounting fitting or junction box and secure it firmly.

Step 4: Connect the detector leads to the control circuit according to the system wiring diagram.

Step 5: Restore power and perform a functional test to verify proper operation.

Step 6: Confirm all wiring is secure and the detector is free from obstructions that could affect heat sensing.