Product Description
The AJAX#82203 Ajax FireProtect 2 AC (Heat/Smoke/CO) Jeweller White/Black is a professional wireless mains-powered fire and life safety detector designed to provide comprehensive protection against smoke, heat, and carbon monoxide hazards. Equipped with a double-spectrum optical smoke sensor, Class A1R heat sensor, long-life chemical CO sensor, and Ajax Jeweller encrypted communication technology, this advanced detector delivers rapid hazard detection, intelligent alarm verification, and dependable operation. Featuring mains power with built-in battery backup, interconnected alarm functionality, and a powerful 85dB siren, FireProtect 2 AC is ideal for residential, commercial, and industrial environments throughout Australia and New Zealand.
What's Included in the Box
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FireProtect 2 AC (Heat/Smoke/CO) Jeweller
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SmartBracket Mounting Panel
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WAGO 221 3-Conductor Terminals (2 pcs. pre-installed)
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Installation Kit
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Quick Start Guide

Main Features
Triple Protection Technology
The AJAX#82203 combines three critical life safety sensors in one device:
Providing comprehensive fire and life safety monitoring.
Advanced Smoke Detection
The detector uses a double-spectrum optical smoke sensor designed to:
The patented smoke chamber protects against:
For long-term reliability.
Professional Heat Detection
The integrated heat sensor complies with:
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EN 54-5
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BS 5446-2
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Class A1R standards
Alarm conditions include:
Carbon Monoxide Detection
The chemical CO sensor continuously monitors carbon monoxide levels.
Alarm thresholds:
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Over 50 ppm within 90 minutes
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Over 100 ppm within 40 minutes
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Over 300 ppm within 3 minutes
Providing early warning against potentially life-threatening CO exposure.
10-Year Carbon Monoxide Sensor
The CO sensor is designed to provide:
After 10 years, detector replacement is recommended.
Jeweller Wireless Communication Technology
Ajax Jeweller technology delivers:
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Two-way communication
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Dynamic encryption
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Device authentication
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Instant notifications
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Remote configuration
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Anti-jamming protection
Wireless communication range:
Built-In 85 dB Siren
The integrated buzzer provides:
Ensuring occupants are alerted immediately during emergencies.
Interconnected Alarm Functionality
Supports:
When one detector triggers, all compatible FireProtect 2 detectors can activate simultaneously, improving building-wide evacuation response.
LED Status Indicators
Three-colour LED indicators provide instant status feedback.
Green LED
Yellow LED
Red LED
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Fire alarm indication
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CO alarm indication
One-Touch Testing & Alarm Silencing
The front panel button enables:
For convenient system maintenance.
Mains Power with Backup Battery
Primary power:
Backup power:
Ensuring continuous operation during power outages.
Anti-Sabotage Protection
Advanced security features include:
Providing dependable protection against interference and tampering.
SKU
AJAX#82203
Detailed Specifications
| Specification |
Details |
| Product Code |
AJAX#82203 |
| Product Name |
FireProtect 2 AC (Heat/Smoke/CO) Jeweller |
| Device Type |
Wireless Mains-Powered Heat, Smoke & CO Detector |
| Communication Technology |
Jeweller |
| Wireless Range |
Up to 1,700 m |
| Smoke Sensor Type |
Double-Spectrum Optical Sensor |
| Heat Detection Standard |
Class A1R |
| High Temperature Alarm |
Above 64°C |
| Temperature Rise Alarm |
Above 10°C per Minute |
| CO Sensor Type |
Chemical CO Sensor |
| CO Sensor Service Life |
10 Years |
| CO Alarm Thresholds |
50 ppm, 100 ppm, 300 ppm |
| Built-In Siren |
Yes |
| Siren Volume |
85 dB at 3 m |
| Interconnected Alarm Support |
Yes |
| Fallback Interconnection |
Yes |
| LED Indicators |
Green, Yellow, Red |
| Tamper Alarm |
Yes |
| Device Authentication |
Yes |
| Communication Loss Detection |
Within 15 Minutes |
| Main Power Supply |
110–240V AC, 50/60Hz |
| Backup Battery |
CR-2/3AZ Lithium Battery |
| Power Consumption |
Up to 2W |
| Operating Temperature |
0°C to +50°C |
| Operating Humidity |
Up to 80% |
| Dimensions |
122 × 122 × 54 mm |
| Weight |
318 g |
| Installation Environment |
Indoor |
| Available Colours |
White, Black |
| Warranty |
24 Months |
Warranty Information
24-Month Manufacturer Warranty
The Ajax FireProtect 2 AC (Heat/Smoke/CO) Jeweller is covered by a full 24-month manufacturer warranty.
About Ajax Systems
Ajax Systems is a globally recognised leader in security and life safety technology. Ajax products are trusted worldwide for their innovative engineering, encrypted communication protocols, intelligent automation features, and professional-grade reliability.

Practical Use Scenarios
Residential Fire & Life Safety
Ideal for:
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Houses
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Apartments
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Townhouses
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Multi-storey homes
Providing comprehensive protection against smoke, heat, and carbon monoxide hazards.
Commercial Properties
Suitable for:
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Offices
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Retail stores
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Hospitality venues
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Medical centres
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Educational facilities
Delivering professional fire detection and occupant safety.
Multi-Room Fire Alarm Systems
The interconnected alarm feature ensures rapid building-wide notification during emergencies.
Mains-Powered Installations
Perfect for locations requiring:
Datasheets & Resources
Available resources include:
Excellence for the Australian and New Zealand Market
The AJAX#82203 Ajax FireProtect 2 AC (Heat/Smoke/CO) Jeweller White/Black has been engineered to provide superior fire and life safety protection for Australian and New Zealand residential and commercial installations. Combining advanced smoke, heat, and carbon monoxide detection with mains-powered reliability and backup battery protection, it delivers dependable performance in critical situations.
Key benefits include:
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Genuine Ajax Systems product
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Smoke, heat and CO detection
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Double-spectrum optical smoke sensor
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Class A1R heat detection
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Chemical carbon monoxide sensor
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10-year CO sensor lifespan
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85 dB built-in siren
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Jeweller encrypted communication
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Up to 1,700m wireless range
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Mains-powered operation
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Integrated backup battery
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Interconnected alarm functionality
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Fallback alarm support
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Tamper protection
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Device authentication
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Available in White and Black
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Professional-grade life safety solution
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24-month manufacturer warranty
FAQs
What is AJAX#82203 used for?
The AJAX#82203 provides smoke, heat, and carbon monoxide detection for residential and commercial fire safety applications.
Does AJAX#82203 require mains power?
Yes. AJAX#82203 operates primarily from a 110–240V AC mains supply and includes a backup battery.
Does AJAX#82203 detect carbon monoxide?
Yes. AJAX#82203 includes a dedicated chemical CO sensor with a 10-year service life.
What smoke sensor does AJAX#82203 use?
AJAX#82203 uses a double-spectrum optical smoke sensor that detects smoke particles while resisting false alarms caused by water vapour.
What is the wireless communication range of AJAX#82203?
AJAX#82203 supports wireless communication distances of up to 1,700 metres in open-space conditions.
Does AJAX#82203 support interconnected alarms?
Yes. AJAX#82203 supports both primary and fallback interconnected fire alarm functionality.
How loud is the siren on AJAX#82203?
The built-in siren on AJAX#82203 produces 85 dB at a distance of 3 metres.
Is AJAX#82203 suitable for commercial buildings?
Yes. AJAX#82203 is suitable for offices, retail stores, hospitality venues, healthcare facilities, and other commercial environments.
What colours are available for AJAX#82203?
AJAX#82203 is available in White and Black.
Does AJAX#82203 include a warranty?
Yes. AJAX#82203 includes a 24-month manufacturer warranty.