Edwards EST 3-RS485A VICTÓRIA The air is filtered and

The air is filtered and passed into a detection chamber where light scattering technology detects the presence of very small amounts of smoke

Once the mounting plate is fixed

Operating instructions shall be in English lettering and the unit shall be constructed of extruded aluminium and fi nished in bright enamel paint to provide quick identifi cation

The DS9431 is used with the DS9400 FACPs

Output Voltage may be 25 or 70 VRMS

Edwards EST 3-RS485A VICTÓRIA The air is filtered andThe Network Communications card mounts to the back of the Central Processor Unit. The 3 RS485A card provides a Class A (Style 7) or Class B (Style 4) circuit for network communications signals and two additional Class A (Style 7) circuits for the digitized audio signals. The 3 RS485B card provides a Class B (Style 4) or Class A (Style 7) circuit for network communications signals and a second Class B (Style 4) circuit for the digitized audio signals.