Valve Positions Function
Valve Position
Function
FILTER
Normal Filtration and Vacuum
BACK WASH
Clean Filter by reversing the flow
RINSE
Use after backwash to flush dirt from valve
WASTE
By-passes filter, use to vacuum the waster for lowering water level
RECIRCULATE
By-passes filter for circulating water to pool
CLOSED
Shut off all flow to filter or pool
Function and Installation Scheme
I. Filtration of Medium (i.e. Water)
Pool => Pump => Valve (to filter) =>
filter => Valve (from filter) => Pool
II. Drainage of Pool with Pump
Pool => Pump => Valve => Canal
III. No Circulation
Do not operate pump.
Pool => Pump => Valve
IV. Cleaning of Filter Medium (i.e. Sand)
in upstream (reserved flow in filter)
Pool => Pump => Valve (from filter) =>
filter => Valve (to filter) => Waste
V. Recirculation of Fluid Without
Filter (by pass filter)
Pool => Pump => Valve => Pool
VI. Cleaning of Filter Medium (i.e. Sand)
after Backwash
Pool => Pump => Valve (to filter) => filter
=> Valve (from filter) => Waste
