FIRE DETECTION PANEL 20 ZONES FF-520

- Fully compliant with BS5839 Part 4. 
- Microprocessor based design. 
- Robust metal lid and metal back box. 
- Attractive easy-to-clean polycarbonate front label. 
- Four sounder circuits and head out (detector removed) fault indication provided as standard. 
- Expandable from 4 to 28 zones in 4 zone steps. 
- Heavy-duty base connections. 
- Ultra-bright, long-life LED indicators. 
- Built-in 24V power supply and battery charger. 
- End of line units included (one per zone). 
- Compatibility with virtually all known conventional smoke and heat detector ranges. 
- True three wire operation of sounder and detector circuits (Ov is common) for considerable cost savings on installation. 
- Separate indication of open circuit fault, short circuit fault, head out fault, sounder fault and battery/power supply fault. 
- Non-latching ‘class change’ sounder input, latching fire and non-latching fault outputs (available via optional MFPX expansion loom). 
- Fault buzzer mute facility. 
- Space available for the rated capacity of VRLA batteries. 
- Short circuit = fire facility (pre-1980 BS, no resistors in call points), selectable on a zone by zone basis for retro-installations. 
- Non-latching zones facility for cross connection to other panels. 
- True battery monitoring circuit. 
- Wide range of engineer facilities including one man detector test, sounder walk test, sounder isolate, sounder delay and auxiliary isolate. 
- Easy to follow installation instructions and log book. 
- Up to eight two-wire repeaters with full external control (except isolate) per system (requires one FF596T Repeater Transmitter PCB fitted at the main panel). 
- Multilingual variants available (subject to quantities).