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Commissioning
Calibration
Page 28
6.3
Calibrating the UVC Sensor
DANGER
•
The UVC sensor must be calibrated correctly to ensure adequate treatment.
•
The water to be disinfected must be flowing through the radiation chamber during
calibration of the UVC sensor.
•
The sensor must always be calibrated with new lamps.
•
The lamp should be operated at full capacity during calibration of the sensor.
The safety and warning thresholds are not monitored during calibration. As a safety precaution,
calibration stops automatically after 5 minutes without saving the changes made. The display
indicates how much time remains.
Before commencing calibration, the sensor signal must be constant. A fluctuating sensor signal
means that the lamp is not yet warm enough (it takes 5 to 10 minutes to warm up).
6.3.1
Calibrating the Sensor
Use the CHANGE key to access the LAMP PERFORMANCE display.
If the maximum lamp performance has been set, calibration can commence. Otherwise, the
lamp performance should be increased to the maximum level as follows:
Press the ENTER key to confirm and ACCESS CODE REQUEST will be displayed.
Enter the access code and confirm it by pressing the ENTER key. LAMP PERFORMANCE
will reappear and the values that can be adjusted will flash.
Press the UP key to set the maximum lamp output.
Press the ENTER key to confirm this and the message "Data is being saved" will appear
briefly.
Wait until the sensor signal remains constant.
Use the CHANGE key to locate the SENSOR CALIBRATION display.
Press the ENTER key to confirm and ACCESS CODE REQUEST will be displayed.
Enter the access code and confirm it by pressing the ENTER key. SENSOR CALIBRATION
will reappear and the values that can be adjusted will flash.
Use the UP and DOWN keys to set the sensor value to 100 %.
Press ENTER to confirm this and the message "Data is being saved" will appear briefly. The
sensor is now calibrated.
Press the BACK key to exit the programming mode.
The Dulcodes UV disinfection system is now ready for operation.
NOTE
Please follow the separate operating instructions enclosed for special applications that
require the sensor signal to be displayed in W/m
of 100-200 hours. Therefore, the UVC sensor should be recalibrated approximately
200 hours after commissioning.
2
. All new UV lamps need a run-in period
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