Arkal Spin Klin - Operation; Description of the Backwashing Process

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Operation
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backwash valves into the Spin Klin filters.
The water then passes through the filter elements to the outlet manifold for consumer use.
Description of the Backwashing Process
1. The controller transmits an electrical command to the first solenoid according to either differential
pressure or time.
2. The solenoid then sends a pressure command to the backwash valve, moving it from the
filtration mode to the backwash mode.
3. Filter #1 is then backwashed with water from the outlet manifold that has been filtered by the
other filters in the system. Contaminated water and impurities flow out through the drain
manifold.
4. On completion of the allotted backwashing time, the controller releases the backwash command,
and filter #1 returns to the filtration mode.
5. Filter #2 then enters the backwash mode, and the process is repeated until all the filters in the
system have been backwashed.
6. After all the filters have been backwashed the system returns to the filtration mode, until the next
backwash cycle.