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This will operate as follows, when the level rises on the upstream side
and/or the level on the downstream side falls, resulting in a differential of
0.14m, (anywhere within the working span), indicating that the screen is
blocked, relay 1 will come on and operate the rake. Once the level on the
inflow has decreased and the differential level falls to 0.03m relay 1 will
switch off the rake.
Should the level on the upstream side rise, for any reason, to a level of
2.38m, relay 2 will operate to give a high alarm, once the level has fallen
back to 2.24m the alarm will go off. A falling level in the downstream side,
for any reason, will operate relay 3 at 0.28m giving an alarm for low level,
once the level has risen again to a value of 0.42 m relay 3 will reset.
To program the Advanced 5 for Example 2 Differential Control by using
the Quick Setup menu proceed as follows.
Access the Program Mode
Key in the passcode 1997 and press ENTER
At the Quick Setup menu press ENTER and as prompted, by the questions,
select the relevant option and ENTER.
Programming is now complete and the unit can be returned to the run mode,
press CANCEL until Run Mode? Is displayed on the LCD press ENTER,
and the Advanced 5 will return to the Run Mode.
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