STA-RITE VERTICAL GRID DE FILTERS S7D75 Owner's Manual
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STA-RITE VERTICAL GRID DE FILTERS S7D75 Owner's Manual

Sta-rite vertical grid de filters owner's manual
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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
VERTICAL GRID DE FILTERS
O
W
N
E
INSTALLATION, OPERATION & PARTS
S7D75
R '
S
M
A
N
MODELS
S8D110
Printed in U.S.A.
U
A
L
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.
U.S. PATENT NO. 4995523 (Other patents pending)
S284 (Rev. 4/20/04)

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Summary of Contents for STA-RITE VERTICAL GRID DE FILTERS S7D75

  • Page 1 VERTICAL GRID DE FILTERS 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 R ’ INSTALLATION, OPERATION & PARTS MODELS S7D75 S8D110...

  • Page 2: Table Of Contents

    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. •...

  • Page 3: Safety Instructions

    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.

  • Page 4: General Information

    Hazardous pressure. Can cause severe injury or major property damage from tank blow up. Release all pressure and read instructions before working on filter. 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.

  • Page 5: Installation

    TABLE I - Sta-Rite valves for use with DE filters Port Part Size Number Multi-port 2" 18201-0200* Plastic Slide 2" WC212-134P* * Recommended for best energy conservation. NOTICE: Use of valves other than those listed above could cause reversed water flow through filters and damage to internal fil- ter components.

  • Page 6: Specifications

    SPECIFICATIONS OUTLET 7.812(198.4) INLET 9.19(233.4) 2" (51mm)Sta-Rite Union Connections FIGURE 1 – Dimensions in inches (mm) S7D75 S8D110 10 20 30 40 50 60 70 80 90 100 110 120 Gallons Per Minute Pressure Drop Curve Figure 2 – Filter Cycle SEPARATION TANK Figure 3 –...

  • Page 7: Initial Startup

    Hazardous pressure. Can cause severe injury or major property damage from tank blow up. Release all pressure and read instructions before working on filter. 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!

  • Page 8: Filter Disassembly / Assembly

    FILTER DISASSEMBLY/ ASSEMBLY PROCEDURE handle position on control valve while pump is running. BEFORE DISASSEMBLING FILTER: Disassembly: Hazardous pressure. Can cause severe injury or major property damage from tank blow up. Release all pressure and read instructions before working on filter. Assembly: To avoid equipment damage and personal injury, never change 1.

  • Page 9: Cleaning The Filter

    FIGURE 4 - 21" Filter clamp tighten- ing sequence. FIGURE 5 - 25" Filter clamp tight- ening sequence. CLEANING THE FILTER When to Clean: NOTICE: If installation does not allow backwashing, use manual cleaning proce- dure regularly (see Page 10). 1.

  • Page 10: Manual Filter Cleaning Procedure

    Hazardous pressure. Can cause severe injury or major property damage from tank blow up. Release all pressure and read instructions before working on filter. Manifold Element Assembly O-Ring 1216 0497 Union Collar FIGURE 6 1215 0497 FIGURE 7 9. If any DE remains on grids after backwashing, flush filter elements with garden hose to remove it.

  • Page 11: Chemical Cleaning Procedure

    10. Follow filter assembly procedure, 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 Before Disassembling Filter: property damage from tank blow up.

  • Page 12: System Inspection/Winterizing

    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.

  • Page 13: Troubleshooting Guide

    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).

  • Page 14: Repair Parts List

    Part Description 2 Inch Gauge Air Release Valve Close Nipple 1/4 in. Adapter Bushing O-Ring Upper Tank Shell Kit* Filter Element Assembly O-Ring Outlet Assembly Inlet Assembly O-Ring 1-1/2" NPT Plug Adapter Fitting O-Ring Drain Plug Bulkhead Retaining Nut Clamp Assembly Clamp Bolt Lower Tank Shell Tank O-Ring...
  • Page 15 1063 0497 1064 0497 FILTER ELEMENT ASSEMBLY FOR S7D75 Part Description Wing Nut Air Bleed Assembly Manifold Covered Element 12-7/16" Covered Element 13-13/16" Covered Element 16-1/2" Covered Element 15-3/16" Covered Element 12-7/16" Covered Element 9-11/16" Element Grid Support FILTER ELEMENT ASSEMBLY FOR S8D110 Part Description Wing Nut...

  • Page 16: Warranty

    STA-RITE LIMITED WARRANTY Pumps, filters, skimmers, underwater lights (except bulbs), accessories and fittings manufactured by Sta-Rite are war- ranted to be free of defects in material and workmanship for one (1) year from date of installation. Product specific warranties: HRPB, DEPB, System 3, and PL – Tanks ..10 years Internal filter components and valves .

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S8d110

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