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AquaTools
293 Wright Street, Delavan, WI 53115
North America: 800-752-0183, FAX 800-582-2217
International: 262-728-5551, FAX: 262-728-4461, TELEX: ITT 4970245
© 2003, Printed in U.S.A.
DE FILTER
Model AT8230
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INSTALLATION, OPERATION & PARTS
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2161 1295NF
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.
AT339 (Rev. 1/30/03)
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Table of Contents
Related Manuals for AquaTools AT8230
Summary of Contents for AquaTools AT8230
- Page 1 DE FILTER Model AT8230 R ’ Ç 2161 1295NF Ñ INSTALLATION, OPERATION & PARTS 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.
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Page 2: Table Of Contents
Hazardous Pressure! • Release all air in system before testing. • Tighten AquaTools™ pump trap lids to 30 ft. lbs. (4.1 kg-cm) torque for testing. Can cause tank • Water pressure for test must be less than 25 PSI (172 kPa). -
Page 3: General Information
NEVER operate filter with air trapped inside. When to Clean the Filter • The AquaTools modular DE filter is designed to filter water for swimming The filter module should normally be pools. On a new pool installation, we recommend:... -
Page 4: Specifications
(38) (114) (151) (189) (227) (265) Ring Flow in Gallons Per Minute (LPM) 27.75" 2496 0796 AQ (705 mm) AT8230 Safety FIGURE 2 – Pressure Drop Curve Latch 18.58" Dia. (472 mm) Lower Inlet Outlet Tank 2" NPT 2" NPT... -
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 AquaTools™ union couplings to connect the pip- ing to the filter inlet and outlet ports. -
Page 6: Initial Startup
Posi-Lok™ ring or threads on lower tank shell as this may collect grit and make removal difficult. 7. To prepare precoat slurry, mix diatomaceous earth (DE) and water. Use six pounds of DE for Model AT8230. DO NOT use more DE than Latch recommended. - 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.
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Page 8: Module Cleaning Procedure
MODULE CLEANING PROCEDURE When to Clean the Filter Follow all steps in the “Disassembly” section of this manual. The filter module should normally be cleaned when the pressure gauge reading The filter module should be removed and cleaned when pressure rises more increases 10 PSI over the start-up pressure than 10 psi (69 kPa) above startup pressure. -
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: D. Excessive air in filter; non-precoated areas may plug. Vent air from tank and check for pump suc- NOTICE: CycleTime will vary with each installation tion pipe leaks. Clean air bleed filter in grid as- and between different areas of the country. -
Page 11: Repair Parts List
REPAIR PARTS Part Description Qty. Number Posi-Lok™ ring 1 27001-0054 Air release valve assembly 1 25010-0200 Tank shell upper half* 1 27001-0020S Tank O-ring*** 1 27001-0061S Tank shell lower half 1 27001-0009S Safety latch for ring 1 27001-0051 1-1/2” NPT plug 1 11201-0005B Adapter fitting 1 24900-0510... -
Page 12: Warranty
Retain Warranty Certificate (upper portion) in a safe and convenient location for your records. DETACH HERE: Fill out bottom portion completely and mail within 10 days of purchase/installation to: ▼ AquaTools, Attn: Warranty Dept., 293 Wright St., Delavan, WI 53115 Warranty Registration Card ■ ■...
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Questions and answers
I started my pool up and was having no issues at first. Now the de will not cling to the filter and the pressure drops in an hour. When we open it the de is still white and on the bottom. The filters look fine. We have two. No holes. Do they need to be cleaned differently. We always just rinse them. Both filters are doing this though.
Possible causes for the AquaTools AT8230 filter losing pressure and not retaining DE during pool startup include:
1. Improper or insufficient precoat – The filter requires 6 lbs. (2.7 kg) of DE for an adequate precoat.
2. Filter module is dirty or plugged – A clogged module can affect performance; it should be thoroughly cleaned.
3. Too much DE – Excess DE can clog the filter module.
4. Flow rate too high – Flow should be restricted to the rated capacity of the filter.
5. Use of incorrect chemicals with PHMB sanitizers – This may require replacing the filter module.
Each of these conditions can interfere with DE retention and proper pressure levels during startup.
This answer is automatically generated