17
Changing Values
To change an adjustable value, first scroll to the appropriate menu screen using the
A
or
B
button.
Follow the directions below to modify the value.
1. 1.
The current selected value will show flashing blocks. Use the + or - keys to select another value if desired.
2. Press
OK
on the selected value. The value will change from flashing blocks to flashing numbers.
(Flashing blocks indicate the value is locked into memory. Flashing numbers indicates the value is unlocked
and can be changed.)
3. 3.
Press the + or - buttons to change the value.
(Holding the + or - button will allow the value to increase at a faster rate after the first 10 increments have
passed.)
4. 4.
When finished, press
OK
to save the change to memory. The value will return to flashing blocks.
5. 5.
Press the
OK
button a second time to save the value.
The following screens contain values that are operator adjustable. The controller’s factory preset values may not
be the final operating values. These values should be adjusted to meet the filters backflush requirements. Refer-
ence the filter manufacturer’s owners manual for additional information.
Backflush Interval: The user-defined interval at which the system will
initiate an automatic backflush cycle. The backflush Interval timer
resets after any backflush cycle occurs (by timer, PD gauge, or opera-
tor). This value is adjustable from 1 minute to 1000 hrs. Setting both
values to zero will turn off the backflush timer. It is recommended that
the operator adjust the backflush interval timer so that the system back-
flushes by the time before the pressure differential is reached. Factory
Preset value is 24 hours.
Backflush Duration: The time allotted for the actual backflushing of
the filter once the valves have been opened to the backflush position.
This time is set according to the type of filter and the nature of the
material being filtered. This value is adjustable from 1.0 to 600.0 sec-
onds. Factory Preset value is 180.0 seconds.
Backflush Duration
Seconds: 0180.0
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.
Backflush Interval
HOURS:MM 00024:00
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.
Adjustable Values
