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STA-RITE PLD50 Owner's Manual

Modular de filter
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System 2
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
© 2003, Sta-Rite Industries
Modular DE Filter
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INSTALLATION, OPERATION & PARTS
MODELS
PLD50
Printed in U.S.A.
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2161 1295
PLD70
U.S. PATENT NO. 5190651 (Other patents pending)
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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.
S339 (Rev. 12/9/03)
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  Summary of Contents for STA-RITE PLD50

  • Page 1 U.S. PATENT NO. 5190651 (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 S339 (Rev. 12/9/03) © 2003, Sta-Rite Industries Printed in U.S.A.
  • Page 2: Table Of Contents

    • Release all air in system before testing. Hazardous Pressure! • 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). Can cause tank •...
  • Page 3: General Information

    Hazardous pressure. Open air release valve to vent all air from system before operating system. NEVER operate filter with air trapped inside. • The Sta-Rite modular DE filter is designed to filter water for swimming pools. On a new pool installation, we recommend: When to Clean the Filter 1.Disassemble the filter after the initial cleanup.
  • Page 4: Specifications

    Flow in Gallons Per Minute (LPM) 2148 1195 2496 0796 15" Dia. 2.25" (381 mm) PLD50 (57 mm) PLD70 FIGURE 1A – Dimensions in inches (mm) FIGURE 2 – Pressure Drop Curve Table 1 - Recommended DE Manufacturers Johns Manville Celite 545™...
  • Page 5: Installation

    • Support pipe independently to prevent strains on filter. • Fittings restrict flow; for best efficiency use fewest possible fittings. • For ease of maintenance, use Sta-Rite union couplings to connect the piping to the filter inlet and outlet ports.
  • Page 6: Initial Startup

    Latch 7. To prepare precoat slurry, mix diatomaceous earth (DE) and water. Use four pounds of DE for Model PLD70; use six pounds of DE for Model PLD50. DO NOT use more DE than recommended. NOTICE: Using more than the recommended amount of DE will clog the 2149 1195 filter.
  • Page 7 Disassembly: 1. Stop the pump. 2. Close isolation valves to prevent flooding. 3. Open air release valve on top of filter tank to release all pressure from inside of tank. NOTICE: Make sure that waste water disposal complies with local codes and ordinances.
  • Page 8: Module Cleaning Procedure

    MODULE CLEANING PROCEDURE When to Clean the Filter Risk of chemical burns. Do not attempt to acid clean the filter or The filter module should normally be cleaned when the pressure gauge reading module. If the filter requires acid cleaning, have a trained pool professional do increases 10 PSI over the start-up pressure the job.
  • Page 9: System Inspection/Winterizing

    SYSTEM INSPECTION General: Wash the outside of the filter with a mild detergent and water. Rinse off with a hose. NOTICE: DO NOT use solvents to clean the filter; solvents may damage plas- tic components in the system. NOTICE: Open the air bleed valve and bleed all air from the filter each time the pump is stopped and restarted.
  • Page 10: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. Short Cycle Time: C. Water is chemically out of balance; consult pool professional. NOTICE: Cycle Time will vary with each installation D. Excessive air in filter; non-precoated areas may and between different areas of the country. The follow- plug.
  • Page 11: Repair Parts List

    Adapter fitting 1 24900-0510 2” x 1-1/2” Pipe reducer** 2 U78-820P Pressure gauge*** 1 15060-0000T Air bleed assembly 1 24800-0122 Filter module (PLD50) 1 27002-0030S Filter module (PLD70) 1 27002-0036S Flapper valve 1 27001-0011 Spring check valve** 1 27001-0130S •...
  • Page 12: Warranty

    Product specific warranties: of installation The foregoing warranties relate to the original consumer pur- chaser (“Purchaser”) only. Sta-Rite shall have the option to re- HRPB, DEPB, System 3, System 2 and Posi-Clear pair or replace the defective product, at its sole discretion.

This manual is also suitable for:

Pld70System 2 pld50System 2 pld70