STA-RITE CLEAR-FLO SR-300-2U Installation, Operation & Parts page 7

4. Backwash until water runs clear (3-5 minutes). If you
have a 2-position slide valve, skip to Step 7.
5. Stop pump; set valve to 'RINSE' position.
6. Start pump; run pump for one minute.
7. Stop pump; set valve to 'FILTER' position.
8. Filter is now ready for service.
9. Record filter pressure gauge reading as a reference.
NOTICE: If there are leaks from beneath lid/clamp
area, STOP PUMP, release all pressure, remove clamp
and lid and clean sealing surfaces.
10. When pool is first filled, backwash once a day until
pool water is sparkling clear. After that, backwash
when pressure gauge shows 10 PSI (69 kPa) higher
than starting pressure.
To Waste
Filter, In
Pump In
Filter, Out
To Pool
Figure 6: Slide Valve in
"BACKWASH" position.
Handle is fully depressed
and locked with lock pin
assembly.
To Waste
Filter, In
Pump In
Filter, Out
To Pool
Figure 7: Slide Valve in
"FILTER" position. Handle
is fully extended and
locked with lock pin
assembly.
Multiport Valve Settings
If your filter is equipped with a multiport valve, refer to
the information below.
Align
Tabs
Figure 8: Multi-Port Valve dial. Stop pump before
changing position of valve handle.
TABLE IV - MULTI-PORT VALVE SETTINGS
Valve Setting
FILTER
WASTE
CLOSED
BACKWASH
RECIRCULATE
RINSE
WINTERIZE
TABLE V - STA-RITE VALVES FOR USE WITH
MODEL SR-300-2U AND SR-360-2U FILTERS
Port Part
Size Number
Multi-port
2" 18201-0300
Plastic Slide
2" 14935-0300
NOTICE: Use of valves other than those listed above
could cause reversed water flow through filters and
damage to internal filter components.
7
Purpose
Normal filtration and vacuuming;
water goes through filter to pool.
Lowers pool level or drains pool;
water bypasses filter, goes to waste.
Shuts off all flow to filter and pool.
Reverses flow for cleaning; water
goes through filter to waste.
Circulates pool water; bypasses filter.
For initial startup, cleaning, and sand
bed leveling after backwash; water
goes through filter to waste.
Leaves all valve ports partially open
for winter storage.