EN54 FireProtect (Heat) Jeweller User Manual
Updated June 30, 2025 | Revision 1
Product Overview
The EN54 FireProtect (Heat) Jeweller is a wireless addressable point heat detector that complies with EN 54-5 requirements for Class A1, B, and C heat detectors with rate-of-rise (R) and static (S) response types. It is designed to detect dangerous temperatures and operates as part of an Ajax system, communicating with control and indicating equipment (CIE) via the secure Jeweller radio protocol. The communication range with the CIE can extend up to 1,700 meters in open spaces.
Functional Elements
The detector features a front panel, LED indicators (green, yellow, red), a hole for a special tool to unlock the device, a SmartBracket mounting panel with fixing points, a battery compartment, a lock for securing the device, a tamper button, a QR code with the device ID for adding to the CIE, a power button, and thermistors for detecting dangerous temperatures.
Key Components:
- 1. Front panel
- 2. LED indicators
- 3. Unlock hole
- 4. SmartBracket mounting panel
- 5. Fixing points
- 6. Alignment guide on SmartBracket
- 7. Battery compartment lids
- 8. Device lock
- 9. Tamper button
- 10. Device ID QR code
- 11. Power button
- 12. Thermistors
Compatible CIEs and Range Extenders
The device requires an Ajax CIE with an up-to-date OS Malevich version. Compatibility can be checked via the provided link.
Operating Principle
The EN54 FireProtect (Heat) Jeweller is a wireless fire detector with a heat sensor designed for indoor use. It operates 24/7, regardless of the system's security mode. Powered by pre-installed batteries, it monitors its operational state and reports any faults. The tamper button is triggered if an attempt is made to remove the device from its mounting panel.
Heat Sensor
Two built-in thermistors detect rapid temperature rises or temperatures exceeding a threshold. The detector triggers an alarm based on the detected temperature rise or static temperature, with response times and threshold compliance adhering to EN 54-5 standards. Available heat sensor modes include A1, A1R, A1S, B, BR, BS, C, CR, CS, and Fixed temperature settings ranging from +45°C to +85°C (default +60°C).
Jeweller Data Transfer Protocols
Jeweller is a wireless protocol enabling fast and reliable two-way communication between the CIE and devices, transmitting commands, alarms, and events. Ajax systems can transmit alarms to the Ajax PRO Desktop app and monitoring stations using various protocols like SurGard (Contact ID) and SIA (DC-09). Events transmitted include fire alarms, heat sensor faults, low battery, tamper alarms, and communication loss/recovery. The addressability of Ajax devices provides detailed information to monitoring stations, including device type, name, fire zone, and location.
Selecting the Installation Site
The detector is for indoor installation only. Local fire safety regulations should be followed. Key factors for site selection include Jeweller signal strength, distance to the CIE, and the presence of signal obstacles. A Jeweller signal strength test should be performed before final installation, aiming for a three-bar signal strength as per EN 54 requirements. Poor signal strength may necessitate relocating the device or using a range extender.
Where Not to Install the Device
- Outdoors
- In areas with temperatures or humidity outside permissible limits
- In places with fast air circulation (near fans, vents, open windows/doors)
- Opposite objects with rapidly changing temperatures (heaters)
- In room corners
- In bathrooms or showers with rapid temperature changes
- Near lighting fixtures or decorations that obstruct air circulation
- On surfaces with significantly different temperatures than the surroundings (e.g., skylights)
- In areas with low or unstable Jeweller signal strength
- Closer than 1 meter to the CIE or radio signal range extender
Installation
Installation should be performed by a professional. The process involves removing the SmartBracket, temporarily securing it, adding the detector to the CIE, placing the device on the SmartBracket, running functionality tests, permanently fixing the SmartBracket with screws, and optionally securing the device with a lock. The SmartBracket allows for up to 90° rotation of the detector.
Adding to the System
Ensure the CIE and device operate on the same radio frequency. Before adding, install an Ajax app, log in, create a space, add a virtual room, and a compatible CIE. The space should be disarmed, and the CIE should not be updating. Adding is done via the Ajax app by scanning the device's QR code or entering the ID. Assign a name, fire zone, and virtual room, and specify the location. Power on the device by holding the power button for 3 seconds. The device works with only one CIE at a time.
Functionality Testing
The Jeweller signal strength test in the Ajax app helps determine the signal strength and stability between the CIE and the device. Access the test via the device settings in the app. The test results are indicated by LED colors: green for 3 bars (excellent), yellow for 2 bars (good), red for 1 bar (low), and rapidly flashing red for 0 bars (no signal).
Icons
Icons in the Ajax app provide information on the detector's status:
- Signal Strength: Three bars indicate excellent signal strength; one bar indicates low signal strength.
- Battery Charge: Indicates the battery level (OK, Low, Error).
- Range Extender: Shows if the device is operating via a range extender.
- Temperature Icons: Indicate rapid temperature rise or exceeding of the temperature threshold.
- Fault Icon: Indicates a device fault.
- Disabled Icon: Shows if the device is disabled.
- Offline: Indicates loss of connection with the CIE.
- Not Transferred: Indicates the device has not been transferred to a new CIE.
States
Device states provide information on the detector's operating parameters:
- Alarm: Indicates a detected fire.
- Data Import: Shows errors during data transfer to a new CIE.
- Fault: Indicates a device fault, with details available in the app.
- Disabled: Shows if the device or its functions are deactivated.
- Temperature: Displays the current air temperature, highlighted in red when rising.
- Jeweller Signal Strength: Shows the signal strength between the device and CIE/range extender.
- Connection via Jeweller: Indicates the connection status (Online/Offline).
: Shows the connection state with a range extender.- Battery Charge: Reports the battery charge level (OK, Low, Error).
- Lid: Indicates the status of the tamper button (Open/Closed).
- Temperature Threshold: Shows if a temperature threshold has been exceeded (Not exceeded/Alarm).
- Rapid Temperature Rise: Indicates if a rapid temperature rise has been detected (Not detected/Alarm).
- Fire Zone: Displays the assigned fire zone.
- Room: Displays the assigned virtual room.
- Location: Provides a detailed device location description.
- Firmware: Shows the device firmware version.
- Device ID: The unique identifier of the detector.
- Device No.: The number of the device loop.
Settings
Device settings can be adjusted via the Ajax app:
- Name: Change the device's display name.
- Fire zone: Assign the device to a specific fire zone.
- Room: Assign the device to a virtual room.
- Location: Provide a detailed location description.
- Heat sensor mode: Select the appropriate heat sensor mode (A1, A1R, A1S, B, BR, BS, C, CR, CS, Fixed temperature).
- Jeweller signal strength test: Initiate a test to check signal strength.
- User guide: Access the user manual within the app.
- Device disablement: Temporarily deactivate the device.
- Delete device: Unpair and remove the device from the system.
Indication
LED indicators on the EN54 FireProtect (Heat) Jeweller provide visual feedback:
- Alarm: Red LED flashes.
- Turning on: Green, yellow, and red LEDs light up in sequence.
- Turning off: Green, yellow, and red LEDs light up simultaneously and go off in reverse order.
- Adding to CIE: Green LED is permanently on.
- Removed from CIE: Green LED flashes 6 times.
- Battery low: Yellow LED flashes constantly.
- Tamper alarm: Yellow LED lights up for 1 second when removed; green LED lights up for 1 second when installed.
- Jeweller signal strength test: LED color indicates signal strength (green for 3 bars, yellow for 2, red for 1, flashing red for 0).
Faults
Faults are indicated by a fault counter on the device icon in the Ajax app and highlighted in yellow in the device states. Common faults include:
- Tamper button triggered (device removed or integrity compromised).
- No connection with CIE or range extender via Jeweller.
- Low device battery.
- Hardware fault within the device.
Maintenance
Regularly check device operation and clean the enclosure with a soft, dry cloth. Avoid using solvents. The pre-installed batteries provide up to 6 years of operation. Replace batteries promptly when notified of low charge, using recommended Huiderui CR123A batteries. Ensure correct battery polarity and run a functionality test after replacement.
Technical Specifications
Detailed technical specifications and compliance with standards are available.
Warranty
Ajax Systems Manufacturing LLC provides a 2-year warranty for its products. For technical issues, contact Ajax Technical Support first.
Contact Technical Support
Contact details for technical support via email and Telegram are provided.