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SYSTEM 3

HIGH RATE SAND FILTERS

O   W   N   E   R ’   S

M   A   N   U   A   L

INSTALLATION, OPERATION & PARTS

MODELS

S7S50              S8S70

Sta-Rite Pool/Spa Group

293 Wright Street, Delavan, WI 53115

International:

262-728-5551, FAX: 262-728-7550

www.starite.com

Union City, TN • Delavan, WI • Mississauga, Ont. • Murrieta, CA

© 2004, Sta-Rite Industries

Printed in U.S.A.

S282 

(Rev. 4/20/04)

This manual should be furnished to
the end user of this filter; its use will
reduce service calls and chance of 
injury and will lengthen filter life.

Summary of Contents for S7S50

Page 1: ...reet Delavan WI 53115 International 262 728 5551 FAX 262 728 7550 www starite com Union City TN Delavan WI Mississauga Ont Murrieta CA 2004 Sta Rite Industries Printed in U S A S282 Rev 4 20 04 This m...

Page 2: ...FOLLOW SAFETY INSTRUCTIONS This is the safety alert symbol When you see this symbol on your valve or in this manual look for one of the following signal words and be alert to the po tential for person...

Page 3: ...in system before testing Tighten Sta Rite pump trap lids to 30 ft lbs 4 1 kg cm torque for testing Water pressure for test must be less than 25 PSI 172 kPa Water temperature for test must be less tha...

Page 4: ...08 liters 40 800 Gal 154 428 liters Qty of Media Required Cu Ft 2 56 540cm3 3 84 960cm3 Weight Pounds 200 90 7 kg 300 136 kg Freeboard is the open space between the top of the sand bed and the tank ba...

Page 5: ...st efficiency use fewest possible fittings Keep piping tight and free of leaks pump suction line leaks may cause trapped air in filter tank or loss of prime at pump pump discharge line leaks may show...

Page 6: ...nside and check internal assembly Key No 8 Page 10 for broken or loose laterals Key No 8A Page 10 caused by shipping damage Replace if necessary 3 To eliminate stress on laterals Key No 8A fill tank h...

Page 7: ...lter in service Startup Slide Valve 1 With pump OFF raise handle to fully extended position 2 Open air release valve Key No 1 Page 10 3 Start pump circulating water backwards through filter to waste 4...

Page 8: ...ds through filter to waste 4 Close air release valve when a steady stream of water is expelled 5 Backwash until water runs clear 6 Stop pump lower handle completely to FILTER position and pin in place...

Page 9: ...ut of tank Figure 6 5 Twist lock new laterals into hub on new internal assembly Figure 7 6 Remove old O Rings on tank fittings Key Nos 19 and 20 and install new O Rings provided Be sure sealing area i...

Page 10: ...10 2859 0597 19 19a 20 13 12 14 15 12 16 8 9 10 11 7 0 5 1 0 1 5 2 0 25 30 3 5 4 0 4 5 5 0 5 5 6 0 3 2 1 4 5 6 17 18 21 22 16...

Page 11: ...tting 1 24900 0505 24900 0505 15 1 1 2 NPT Plug 1 27001 0022S 27001 0022S 16 O Ring 2 35505 1425 35505 1425 17 Tank Fitting 1 24900 0500 24900 0500 18 Tank Fitting 1 24900 0501 24900 0501 19 Clamp Ass...

Page 12: ...too large consult dealer for recommen dation 3 Low Flow Low Pressure A Pump too small consult dealer for recommendations B Plugged pump plugged line or plugged hair and lint trap clean thor oughly 4 P...

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Page 15: ...umer pur chaser Purchaser only Sta Rite shall have the option to re pair or replace the defective product at its sole discretion Purchasers must pay all labor and shipping charges necessary to replace...

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