YAMIT E.L.I. AF800N Series, Service Maintenance Manual

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9. Appendixes
9.1 - Filtron 1-10 (AC/DC)
List of features
•The FILTRON 1-10 is a modular controller suitable for flushing 1 to 10 filters
•The FILTRON 1-10 is available in both DC or AC models
•The FILTRON 1-10 can be ordered with a built-in analog DP sensor that enables reading the
actual value as well as triggering the flushing cycle by a preset value.
•By detecting a maximum number of automatic repeating cycles, endless looping problems
are automatically eliminated.
•The FITRON 1-10 can also control a downstream pressure sustaining valve for the cases of
systems suffering from pressure shortage.
•The FILTRON 1-10 is equipped with a large customized LCD display and keyboard.
•The FILTRON 1-10 keeps track of all flushing cycles triggered by DP, by time and manually.
•The FILTRON 1-10 is suitable for gravel filters, disc filters and screen filters
•In the DC model – 4 standard “D” alkaline batteries or 12v DC from an external source
•In the AC model – built-in 110V or 220V power supply
The chain of editable fields
The existence of the DP SET-POINT field depends on whether the System contains a built-in
electronic DP or not.
Flush time
Defines the duration of the flushing time per station. The following options are selectable:
5- 20 sec. in steps of 1 sec.
20-55 sec. in steps of 5 sec.
1- 6 sec. in steps of 0.5 min
The DP set point
At this field the user defines the pressure difference between the filter’s inlet and outlet that
when reached, a flushing cycle will take place. This field is meaningless when there is no built
in electronic DP sensor included, therefore, the user is expected to define the DP set point to
be 00, as a result the actual DP value will appear as (--).
When the pressure is expressed in BAR the range of values is 0.1-2.0 BAR.
When the pressure is expressed in PSI the range of values is 1-3 PSI.
When the system does not include the built-in electronic DP sensor but uses instead and
external DP sensor, the flushing request signal arrives in the shape of a closed dry contact at
the appropriate input terminals.
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AF800N