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Controller
Defaultsetting
Default setting
Default setting
Page 16
4.3.10
Setting the Wiper Interval
Wiper interval
x.xx h:min
When the system is in operation, a new wiper cycle is triggered after the wiper interval has
elapsed. The length of the interval will depend on the contamination level and the chemical
composition of the water to be treated. A wiper interval of one hour is ideal for the majority of
applications.
Significantly shorter wiper intervals are usually only required for sewage applications. However,
the wiper can be expected to wear out more quickly in these applications.
Please also refer to section 4.3.2, "Starting a Wiper Cycle".
2 h
4.3.11
Setting the Display range of the Trend Display
Display range
Trend display
100 day(s)
It is possible to set the length of time for which the sensor signal is recorded for the trend display.
The value (in days) is interpreted as a time window and ensures a continuous display: after the
preset period has elapsed, the oldest value is deleted and the new value displayed.
100 days
4.3.12
Sensor Signal Analogue Output: Setting the Output Signal
Analogue output
0 %
= 0 mA
120 %
= 20 mA
The UVC sensor signal can be recorded. The recorder should be connected to the standard
output of the control system.
The operator has a choice of output signal: 0-20 mA or 4-20 mA: 0 and 4 mA correspond to the
sensor signal 0 % (W/m
2
) and 20 mA can be assigned any value.
NOTE
The sensor signal value assigned to the 20 mA output is also the maximum value of the
trend display.
0 % = 0 mA
120 % = 20 mA
4.3.13
Setting the Maximum Operating Temperature
Operating
temperature = xx °C
(min. xx°C)
(max. xx°C)
If there is no flow through the system or it is too low, e.g. when the stop valve is closed, the
flushing valve is opened when the maximum water temperature is reached to prevent the system
from overheating.
If the maximum water temperature does not fall by approximately 5 °C during the maximum
flushing period (please refer to 4.3.14) and/or the water temperature increases to the maximum
level, the control system switches off the lamp and reports a fault.
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