Fireclass 557.202.018FC ANN820 40-Way 20 x Red Yellow 20 x Green Yellow LED Module Fireclass 557.202.018FC ANN820 40-Way 20 x Red Yellow 20 x Green Yellow LED ModuleThe ANN820 is ideal for use as a status moduledisplay for sprinkler panels according to the EN 12845 2004 A22009 standard but has many other potential applications such as fire damper and fire door status monitoring.As a sprinkler status display the REDYELLOW LED would indicate a Water Flow Alarm Fault Indication respectively from a Sprinkler Flow Switch or Alarm Valve and the GREENYELLOW LED would indicate the status of an Alarm Valve. GREEN would indicate the Alarm Valve is open in service and YELLOW would indicate the Alarm Valve is closed or partly closed technical alarm.Key Features20 x RedYellow LEDs20 x GreenYellow LEDs GBP 383.03 1