Checking The Sensor; Function; Settings - Franke AQUA421 Notice De Montage Et De Mise En Service

10. Checking the sensor

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In the first 4 minutes after the radar sensor is started up, the LED indicates the
response of the radar sensor (flashing or steady).
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If the sensor needs to be checked again, the power pack and control unit must be
disconnected for at least 20 seconds.
10.1 Connect the control unit to the power pack.
• The LED gives 6 quick flashes and 1 long one.
10.2 Move your hand directly in front of the radar sensor.
• The LED on the control unit lights up.
10.3 Withdraw your hand from the radar sensor after 5 seconds.
• The LED is off.
• Roughly 8 seconds after the end of the detected motion, the solenoid valve is
opened for the duration of the set flush time.

11. Function

11.1 Use the urinal.
• The water flows shortly after the urinal is used.
• The water flow stops automatically once the preset flush time has expired.
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The flush time is adjustable from 4-15 seconds (see
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If the total flush time is longer than 6 seconds there is a pause during the flush of
2 seconds to ensure the odour trap works.

12. Settings

Default settings
Sensitivity: high
Mode: normal
Flush time: 4 seconds
Set the sensitivity
S1 on: Sensitivity high
S1 off: Sensitivity low
Set the mode
S2 on: Immunity mode
S2 off: Normal mode
Set flush time
S3 left: Flush time 4 sec
S3 right flush time 15 sec
Chapter 12.).
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