System 2™ Modular DE Filter
O W N E R ’ S M A N U A L
RELEASE
OUTLET 
2161 1295
INSTALLATION, OPERATION & PARTS
MODELS
PLD50 PLD70
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This manual should be furnished to |
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the end user of this filter; its use will |
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reduce service calls and chance of in- |
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jury and will lengthen filter life. |
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Sta-Rite Pool/Spa Group |
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U.S. PATENT NO. 5190651 (Other patents pending) |
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293 Wright Street, Delavan, WI 53115 |
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International: 262-728-5551, FAX: 262-728-7550 |
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www.starite.com |
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Union City, TN • Delavan, WI • Mississauga, Ont. • Murrieta, CA |
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© 2003, Sta-Rite Industries |
Printed in U.S.A. |
S339 (Rev. 12/9/03) |
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E N G L I S H
F R A N
Ç
A
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E S P A
Ñ
O L
WARNING |
Hazardous Pressure! |
Can cause tank |
explosion. |
Do not connect filter to |
compressed air under any |
circumstances. |
Table of Contents |
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Safety Instructions ................................................................................................ |
2 |
General Information............................................................................................. |
3 |
Specifications....................................................................................................... |
4 |
Installation ........................................................................................................... |
5 |
Initial Startup ....................................................................................................... |
6 |
Filter Disassembly / Assembly........................................................................... |
6-7 |
Module Cleaning Procedure ................................................................................ |
8 |
Special Cleaning Instruction ............................................................................. |
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System Inspection/Winterizing ............................................................................. |
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Troubleshooting Guide....................................................................................... |
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Repair Parts List.................................................................................................. |
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Warranty............................................................................................................ |
12 |
READ AND FOLLOW SAFETY |
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INSTRUCTIONS! |
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This is the safety alert symbol. When you see this symbol on your filter or in |
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this manual, look for one of the following signal words and be alert to the |
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potential for personal injury. |
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warns about hazards that will cause death, serious personal injury, or major property damage if ignored.
warns about hazards that can cause death, serious personal injury, or major property damage if ignored.
warns about hazards that will or can cause minor personal injury or property damage if ignored.
NOTICE indicates special instructions not related to hazards.
Carefully read and follow all safety instructions in this manual and on equipment.
Keep safety labels in good condition; replace if missing or damaged.
Incorrectly installed or tested equipment may fail, causing severe injury or property damage. Read and follow instructions in owner's manual when installing and operating equipment. Have a trained pool professional perform all pressure tests.
1.Do not connect system to a city water system or other external source of pressurized water.
2.Use equipment only in a pool or spa installation.
3.Trapped air in system can cause explosion. BE SURE all air is out of system before operating or testing equipment.
Before pressure testing, make the following safety checks:
•Check all clamps, bolts, lids, lock rings and system accessories before testing.
•Release all air 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 than 100o F. (38o C).
•Limit test to 24 hours. After test, visually check system to be sure it is ready for operation. Remove pump trap lid and retighten hand tight only.
NOTICE: These parameters apply to Sta-Rite equipment only. For non-Sta-Rite equipment, consult equipment manufacturer.
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When to Clean the Filter
The filter module should normally be cleaned when the pressure gauge reading increases 10 PSI over the start-up pressure (record the start-up pressure under “Owner’s Information”, below, right).
In some pools, accessories such as fountains or pool cleaners may be noticeably affected by the normal decrease in flow as the filter becomes dirty. If so, clean the filter more frequently (that is, at a pressure increase of less than 10 PSI) in order to maintain the required flow.
WARNING
Risk of drowning and falls. Place equipment at least 4 feet from pool so that children cannot
climb over it into pool.
sss
Do not allow children to stand or play on filter or pump.
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 serious damage to the filter and pump.
•With a modular Diatomaceous Earth (DE) filter in place and operating correctly, 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 capable of giving you.
•Do not use more than the recommended amount of DE in your filter. Excess DE can cause a buildup of DE and “bridging” between the pleats which will plug the filter.
•Maximum pressure is 50 PSI (345 kPa). DO NOT connect the filter to a city water system or to an individual water well system.
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:
1.Disassemble the filter after the initial cleanup.
Hazardous pressure. To prevent severe injury or major property damage, exactly follow "Filter Disassembly/Assembly Procedure" on Pages 6 and 7.
2.Remove and hose down the element assembly to remove spent DE and contaminants.
•Maintain pool water pH between 7.2 and 7.6.
•Make sure that internal air bleed tube and filter are clean and installed properly at top of module before operating filter.
•Make sure that Posi-Lok™ Ring is securely locked in place before operating filter.
•Maintain pressure gauge in good working order. Replace a damaged gauge immediately.
•Cleaning interval is based on pressure rise, not on length of time filter is operated. Different water conditions will have different normal cleaning intervals.
•Check local codes for restrictions on waste water and DE disposal requirements.
NOTICE: Some pool disinfectants may clog filter module. To maximize module life and filter cycle time, closely follow disinfectant manufacturer’s instructions when cleaning pool or filter (see Page 8).
Owner’s Information
Serial Number ____________________________________________________
Dealer ___________________________________________________________
Dealer’s Telephone #_______________________________________________
Purchase Date ____________________________________________________
Installation Date ___________________________________________________
Pressure Gauge Reading at Startup ___________________________________
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SPECIFICATIONS
38.5" (978 mm) Minimum Service Height
Air Release Valve
(Pressure Gauge Behind)
Upper
Tank
Shell
Posi-Lok™
Ring
27.75"
(705 mm)
Safety |
Latch |
18.58" Dia. |
(472 mm) |
Lower |
Outlet |
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Inlet |
Tank |
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Shell |
2" NPT |
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2" NPT |
Drain |
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Plug |
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2148 1195 |
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15" Dia. |
2.25" |
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(381 mm) |
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(57 mm) |
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Filter |
Inlet |
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Outlet |
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IINLET |
Pump |
To Pool |
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From
Pool |
4085 1001 |
FIGURE 1B – Piping Connections
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9 |
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(kPa)Inch |
(62.1) |
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8 |
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(55.2) |
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inDropPressure SquareperPounds |
6 |
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(41.4) |
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4
(27.6)
2
(13.8)
10 |
20 |
30 |
40 |
50 |
60 |
70 |
(38) |
(76) |
(114) |
(151) |
(189) |
(227) |
(265) |
Flow in Gallons Per Minute (LPM)
2496 0796
PLD50
PLD70
FIGURE 1A – Dimensions in inches (mm) FIGURE 2 – Pressure Drop Curve
Table 1 - Recommended DE Manufacturers
Johns Manville |
Celite 545™ |
GREFCO, Inc. |
Decalite 4200™ |
Eagle-Picher Minerals, Inc. |
Celatom™ |
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Table 2 - Filter Specifications
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PLD50 |
PLD70 |
Filter Area sq. ft. (m2) |
30(2.8) |
36(3.3) |
Lbs. (kg) of DE Used |
6 lbs.(2.7 kg.) |
4 lbs.(1.8 kg.) |
Maximum Flow Rate gpm (L/m) |
60(227) |
70(265) |
Max. Operating Pressure psi (kPa) |
50(345) |
50(345) |
Max. Continuous Water Temperature F(C) |
104°(40°) |
104°(40°) |
One half pound of DE will fill a one pound coffee can.
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