The Zeta Fyreye MKII-AHR is an addressable rate-of-rise heat detector (EN 54-5 Class A1R) for Zeta's Fyreye MKII protocol systems. A thermistor arrangement senses a rapid rise in temperature and also gives a final fixed threshold alarm at 57°C. It suits areas where smoke detection is not appropriate.
Key features
- Rate of rise plus 57°C fixed heat threshold (Class A1R)
- Designed to meet EN 54 requirements; LPCB approved
- Lockable to base to prevent unauthorised removal
- Remote LED output; 8 LEDs for improved 360° visibility
- Compatible with all Fyreye MKII bases
- Addressed with DIP switches or hand-held programmer
Technical specifications
- Part number: 80-212
- Detector class: A1R, EN 54-5
- Operating voltage: 17 to 28 V DC
- Quiescent current: 500 µA; alarm current 5 mA at 24 V DC
- Alarm condition: rate of rise or fixed heat trigger at 57°C
- Coverage: 50 m²
- Operating temperature: -10 to +50°C
- IP rating: IP43
- Start-up time: 10 seconds
- Size with base: 100 x 49 mm
- Remote output: 5 mA at 24 V DC
