Structure and function 3Setup25Building Technologies A6V10334410_h_en_--Fire Safety 2015-09-29Display Designation FunctionOperating indication The green LED lights up permanently: When the power supply is connectedBlowing-out indicator 1 The yellow LED lights up permanently: When the blowing-out process is activatedThe yellow LED flashes: Once the blowing-out process has been activated until the normal operating statusis achieved (lasts up to 2 minutes)Indication of faults The yellow LED flashes: When there is a technical fault When the housing cover is openedAirflow indicator The current airflow is indicated by an LED in the airflow indicator (bar graph indicator).a) LED yellow If a yellow LED lights up, the airflow has increased. As the deviation increases, the light moves upwards.If the topmost LED flashes, the airflow has exceeded the upper limit and the alarm delaytime has expired.Example: There may be a leak in the pipe system.b) LED green One of the green LEDs lights up.The airflow is normal.c) LED yellow If a yellow LED lights up, the airflow is too low. As the deviation increases, the indicator moves downwards.If the bottommost LED flashes, the airflow has fallen below the lower limit and the alarmdelay time has expired.Example: Some of the aspirating holes in the pipe system may be blocked.
