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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.
Multiport Valve Settings
If your filter is equipped with a multiport valve, refer to
the information below.
Figure 6: Slide Valve in
“BACKWASH” position.
Handle is fully depressed
and locked with lock pin
assembly.
To Waste
Pump In
To Pool
Filter, In
Filter, Out
Figure 7: Slide Valve in
“FILTER” position. Handle
is fully extended and
locked with lock pin
assembly.
To Waste
Pump In
To Pool
Filter, In
Filter, Out
Figure 8: Multi-Port Valve dial. Stop pump before
changing position of valve handle.
BACKW
ASH
RECIRC.
RINSE
FIL
TER
W
ASTE
CLOSED
W
IN
TE
RIZ
E
Align
Tabs
Valve Setting
Purpose
FILTER
Normal filtration and vacuuming;
water goes through filter to pool.
WASTE
Lowers pool level or drains pool;
water bypasses filter, goes to waste.
CLOSED
Shuts off all flow to filter and pool.
BACKWASH
Reverses flow for cleaning; water
goes through filter to waste.
RECIRCULATE
Circulates pool water; bypasses filter.
RINSE
For initial startup, cleaning, and sand
bed leveling after backwash; water
goes through filter to waste.
WINTERIZE
Leaves all valve ports partially open
for winter storage.
Port
Part
Size
Number
Multi-port
2"
18201-0300
Plastic Slide
2"
14935-0300
TABLE V - STA-RITE VALVES FOR USE WITH
MODEL SR-300-2U AND SR-360-2U FILTERS
TABLE IV - MULTI-PORT VALVE SETTINGS
NOTICE:
Use of valves other than those listed above
could cause reversed water flow through filters and
damage to internal filter components.