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VERTICAL GRID DE FILTERS
O W N E R’ S M A N U A L
INSTALLATION, OPERATION & PARTS
MODELS
S7D75 S8D110
This manual should be furnished to
the end user of this filter; its use will
reduce service calls and chance of in-
jury and will lengthen filter life.
Sta-Rite Pool/Spa Group U.S. PATENT NO. 4995523 (Other patents pending)
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, St
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VERTICAL GRID DE FILTERS To avoId unneeded service calls, prevent possible injuries, and get the most out of your filter, READ THIS MANUAL CAREFULLY! The Sta-Rite System 3 Vertical Grid DE Filter: • Is designed to filter water for swimming pools. • Is an excellent performer; durable, reliable. Table of Contents Safety Instructions .......................................................................................3 General Information..........................................................
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READ AND FOLLOW SAFETY INSTRUCTIONS! This is the safety alert symbol. When you see this symbol on your filter or in this manual, look for one of the following signal words and be alert to the potential for personal injury. warns about hazards that will cause death, serious personal in- jury, or major property damage if ignored. warns about hazards that can cause death, serious personal in- jury, or major property damage if ignored. warns about hazards that will or can cause minor personal injury
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GENERAL INFORMATION • Clean a new pool as well as possible before filling pool and operating filter. Excess dirt and large particles of foreign matter in the system can cause seri- ous damage to the filter and pump. • With a diatomaceous earth (DE) filter system in place and operating cor- rectly, clean water is returned to the pool faster than pool water is being contaminated. A typical pool installation will require approximately one week to obtain and maintain the sparkle that your filter is
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INSTALLATION Installation of filter should only be done by qualified, licensed personnel. Filter mount must: • Provide weather and freezing protection. • Provide space and lighting for easy access for routine maintenance. (See Figure 1 and Table II, Page 6, for space requirements.) • Be on a reasonably level surface and provide adequate drainage. • Be as close to pool as possible to reduce line loss from pipe friction. Piping: • Piping must conform to local/state plumbing and sanitary codes. •
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SPECIFICATIONS D WATER OUTLET TO POOL A WATER INLET PUMPED FROM POOL E C Figure 2 – Filter Cycle B OUTLET 7.812(198.4) INLET WATER INLET 9.19(233.4) PUMPED FROM POOL 2" (51mm)Sta-Rite WASTE PORT TO Union Connections SEPARATION TANK FIGURE 1 – Dimensions in inches (mm) Figure 3 – Backwash Cycle TABLE II - SPACE REQUIREMENTS IN INCHES (MM) Model No. A B C* D E 1 1 S7D75 28 ⁄2(724) 42(1067) 7 36(914) 53 ⁄2(1359) 1 1 1 S8D110 32 ⁄2(826) 42 ⁄4(1074) 8 40(1020) 54 ⁄4(1378) 8.0 * Number of clamps. 6
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INITIAL START-UP Be sure pump is OFF before starting procedure. Do not operate these filters at more than 50 PSI (345 kPa) under any circumstances! To prevent serious damage to the element fabric, NEVER run you DE filter without a diatomaceous earth precoat! To avoid damage to internal filter components, never change Hazardous pressure. handle position on control valve while pump is running. Can cause severe injury or major 1. Make sure all clamps are in place and knobs are securely hand-tight
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FILTER DISASSEMBLY/ ASSEMBLY PROCEDURE To avoid equipment damage and personal injury, never change handle position on control valve while pump is running. BEFORE DISASSEMBLING FILTER: 1. STOP PUMP. 2. OPEN air release valve and drain fitting. 3. WAIT until all pressure is released and water drained from filter tank and system before loosening clamp knobs. Disassembly: 1. Backwash filter according to instructions under “Filter Backwash Procedure”, Page 9. 2. Stop pump. Hazardous pressure. 3. Open
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CLEANING THE FILTER 1 When to Clean: 5 4 NOTICE: If installation does not allow backwashing, use manual cleaning proce- dure regularly (see Page 10). 1. With a new filter: A. Record filter operating pressure at startup. When pressure reaches 15 PSI (103kPa) above startup operation pressure, stop pump for 15-30 3 6 seconds to allow filtering cake to release. B. Restart pump to form new cake. Pressure should now be less than 10 PSI (69kPa) above startup operating pressure. 7 2 C. If pressure is s
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9. If any DE remains on grids after backwashing, flush filter elements with garden hose to remove it. Be sure to comply with local code for waste DE disposal. 10. Follow instructions under 'Assembly', Page 8, to reassemble filter. 11. Follow 'Initial Start-up' procedure (Page 7, steps 4, 5, 6 and 7) to restart system. 12. Compare pressure reading on gauge with reading recorded after initial startup. The two readings should be very close; if not, do "Manual Filter Hazardous pressure. Can cause se
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collars may need to be cleaned before reassembly. 10. Follow filter assembly procedure, Page 8. To avoid severe injury or major property damage, exactly follow instructions under “Assembly” (Page 8)! 11. If unit is returning to service, see “Initial Startup”, Page 7. 12. If cleaning is part of seasonal shutdown, see “Winterizing”, Page 12. CHEMICAL CLEANING Hazardous pressure. PROCEDURE Can cause severe injury or major property damage Before Disassembling Filter: from tank blow up. 1. STOP P
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l2. If cleaning is part of seasonal shutdown, see “Winterizing”, Page 12. SYSTEM INSPECTION General: Wash outside of filter with a mild detergent and water. Rinse off with hose. NOTICE: DO NOT use solvents to clean filter; solvents may damage plastic components in system. NOTICE: Open air bleed valve and bleed all air from filter each time pump is stopped and restarted. Weekly Inspection: 1. Skimmer basket- remove debris. 2. Stop pump, release all pressure. Remove trap cover and basket, remove d
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TROUBLESHOOTING GUIDE 1. Short Cycle between backwashes: NOTICE: Time between backwashes will vary with each installation and be- tween different areas of the country. The following causes and remedies are for cycle times shorter than normal for your area. A. Chlorine residual too low; maintain proper residual (consult pool pro- fessional for recommendation). B. Flow rate too high; restrict flow to rated capacity of filter (see instruc- tion plate on filter or specifications on Page 6). C. Filte
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5 5 0 5 5 4 0 4 5 3 0 3 MODELS 2 21 1 3 S7D75 4 5 S8D110 6 8 7 9 20 10 19 17 11 18 12 14 13 16 14 1460 0497 15 REPAIR PARTS LIST Model No. Key Part No. Description S7D75 S8D110 12 Inch Gauge 33600-0023 33600-0023 2 Air Release Valve WC212-120P WC212-120P 3 Close Nipple 1/4 in. U37-16P U37-16P 4 Adapter Bushing 24900-0504 24900-0504 5 O-Ring 35505-1423 35505-1423 6 Upper Tank Shell Kit* 24851-9000 24851-9001 7 Filter Element Assembly 23900-1220 23900-1221 8 O-Ring U9-362 U9-362 9 Outlet Ass
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1 2 FILTER ELEMENT ASSEMBLY FOR S7D75 3 Key Part No. Part No. No. Description Used 23900-1220 4 5 1 Wing Nut 2 35402-0074 6 7 2 Air Bleed Assembly 1 24800-0120 8 9 3 Manifold 1 24800-0100 4 Covered Element 12-7/16" 1 23900-1171 5 Covered Element 13-13/16" 2 23900-1170 6 Covered Element 16-1/2" 2 23900-0033 7 Covered Element 15-3/16" 2 23900-1174 1063 0497 8 Covered Element 12-7/16" 2 23900-1175 10 9 Covered Element 9-11/16" 2 23900-1173 11 10 Element Grid Support 1 23900-0350 11 Rod 2 23900-0
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STA-RITE LIMITED WARRANTY Pumps, filters, skimmers, underwater lights (except bulbs), * Full warranty coverage is in effect for one year after instal- accessories and fittings manufactured by Sta-Rite are war- lation. The pro-rated warranty covers the tank only during ranted to be free of defects in material and workmanship for the 2nd through 10th year after installation. The amount cov- one (1) year from date of installation. ered decreases by 10% each year. (ie., 2nd year 90% covered, 3rd yea
