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PENTAIR POOL PRODUCTS
THS SERIES FILTER
OWNER’S/OPERATOR’S MANUAL
TANKS ONLY
This manual covers the following filter tanks:
THS3461
THS3484
THS4272
THS4284
THS4296
WARNING: This manual contains critical safety information that must be furnished to the end
user. Failure to read and follow the instructions could result in serious personal injury and/or
major property damage.
Pentair Pool Products
1620 Hawkins Ave.
Sanford, NC 27330
Phone:
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TABLE OF CONTENTS 1.0 Basic Principles of Operation 3 1.1 Filtration - How Your Filter Works 3 1.2 Backwash 4 2.0 Installation and Assembly 5 2.1 Receiving and Inspecting 5 2.2 Locating the Filter 5 2.3 Setting Anchor Bolts 6 2.4 Install All Piping 7 2.5 Inspection of Components 7 2.6 Pressure Test System 8 2.7 Media Installation 9 3.0 Start-up and Operation 9 3.1 Backwash System 9 3.2 Return Filters to Normal Filtration Mode 9 4.0 Maintenance 10 4.1 Periodic Bac
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Thank you for purchasing your new high rate sand filter from Paragon Aquatics. Your new filter vessel is the best that money can buy, with its ability to operate for years with a minimum amount of maintenance, as well as having excellent resistance to corrosion due to its all fiberglass construction. In this manual you will learn the basic principles on how your new filter operates, as well as how to install, operate, and maintain it. We suggest reading this manual through once to fam
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The pressure in the filter will increase and the flow of water through the filter will diminish as dirt accumulates in the filter. Eventually, the filter will become obstructed enough with dirt that it will become necessary to backwash the filter. Please note that a filter removes suspended matter but it does not sanitize the pool. The pool water must be sanitized and the water must be chemically balanced for optimum water clarity. Your filtration system should be designed to meet
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2.0 Installation and Assembly If you have purchased the vessel(s) with the optional face piping kit, please refer to documentation provided with the face piping kit. 2.1 Receiving and Inspecting • Upon receipt of filter(s), check the filter pallet(s) and auxiliary cartons for any evidence of damage due to rough handling in shipment. If the filter(s) or any filter components are damaged, NOTIFY FREIGHT CARRIER IMMEDIATELY. • Verify that you have all equipment contained on the Pac
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Figure 1 "A" "B" "C-C" Model (in.) (in.) (in.) THS3461 39 THS3484 THS4272 66 THS4284 46 1/4 THS4296 • Ensure that the tank(s) are level, both across each pipe connection and from the influent pipe to the effluent pipe. For two tank systems, make sure the tanks are level to each other. If adjustments need to be made, loosen the nut underneath the saddles and adjust the saddle placement as needed. Be sure to tig
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2.4 Install All Piping NOTE: Unless the optional piping kit was purchased from the filter manufacturer, which provides the valves and piping to facilitate proper backwash and filtration operation, the filter manufacturer cannot accept responsibility for the design, installation, and operation of same. If an optional face piping kit was purchased, please refer to the appropriate manual provided with the kit for installation instructions. • Install all piping to provide proper fil
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• Check effluent piping grooved coupling connection to make sure it has not become loose during shipping. If the coupling bolts have become loose, tighten them. • Make sure automatic air relief is attached properly. This mechanism assists in bleeding off air, which may become trapped in the top of the tank. It is located on the effluent pipe near the top of the tank, and should be installed with the screen pointing up. Automatic Air 2.6 Pressure Test System Reli
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2.7 Media Installation • Consult Appendix B for media specifications. • Partially fill the tank with water. This will help prevent damage to the internal piping when installing the gravel. • Install the gravel media. This layer should reach to the top of the effluent laterals and be level. • Install the sand media. This layer should reach to approximately the centerline of the tank. The sand bed should be level and smooth. See pictures at Above: Sandbed should right
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• Verify pressure differential through the vessels is within an acceptable range. Refer to Appendix A for pressure drops through the tanks only. Please be aware that depending on where the pressure readings are taken from and the design of piping system, the pressure drops through the system will be greater than what is shown in Appendix A. Please consult the water circulation system designer for more details. • Note the pressure differential over the now clean filter system. If the
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When backwashing, it is important that there is: • Sufficient Backwash Time. It is recommended to backwash each tank for at least 5 minutes • Sufficient Backwash Flow Rate. The flow going through the tank in backwash 2 mode must be in the range of 15 to 20 GPM/ft in order to accomplish an adequate backwash. NOTE: It may be necessary in some instances to backwash the tanks more than once to achieve a clean sand bed. It is recommended that the influent and effluent pressures b
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• Inspect tanks for leaks. The system should be inspected periodically for leaking around the influent/effluent piping penetrations, drain port, manual air relief fitting, and on the outside shell of the tanks. A quick visual sight inspection is all that is needed to accomplish this. In the unlikely event that a leak is attributed to the vessel, consult the equipment supplier before proceeding with any tank repairs. Unauthorized repair attempts may void the factory warranty. • Take no
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4.3 Installation/Removal of Manway Cover NOTE: It is important that the manway yokes never be removed during operation of the tanks. The tanks should be drained before removing manway cover. 4.3.1 Removal: *Manway cover may differ from picture below • Drain the tanks. See section 4.2 for instructions. • Remove one yoke bolt and yoke. This will require a 1 1/8” wrench. Loosen the second bolt, but do not remove the second yoke. • Remove cover from tank. Rotate rema
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• Filters need to be moved from their current location. While these tanks are designed to withstand internal pressure, they are not designed to be transported with the added weight of the media inside of them. It is therefore necessary to remove as much media as possible before relocating the filters. • Inspections/repairs need to be made to inside of tank or internal components. In order to reach certain components or areas of the tank, the sand has to be partially or removed. These
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APPENDIX APPENDIX A PRESSURE DIFFERENTIAL CURVES APPENDIX B MEDIA REQUIREMENTS APPENDIX C TROUBLE SHOOTING APPENDIX D BACKWASH LOG APPENDIX E GENERAL TANK SPECIFICATIONS APPENDIX F TANK PARTS Tank Owner’s Manual
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APPENDIX A Clean Filter Pressure Drop 3.5 3 2.5 2 THS 34xx THS 42xx 1.5 1 0.5 0 0 5 10 15 20 25 GPM/sq.ft Clean Filter Pressure Drops 2.5 2 THS 4296 THS 4284 1.5 THS 4272 1 THS 3484 THS 3461 0.5 0 0 200 400 600 GPM NOTE: 1. The charts are based on using NSF approved #20 sand in the filters. Variation in sand media may affect pressure differential values. 2. These charts are for pressure drop through the tanks only. Depending on the location of the pressure gauges, th
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APPENDIX B Total Media Gravel Media Freeboard Sand Bed Gravel Filter Area Sand Media 3 Requirement Filter Model Height Depth Depth (Ft ) 2 3 (Ft ) (Ft ) 3 (in.) (in.) (in.) (Ft ) (Optional) 16.6 11.1 5.5 THS3461 13.5 (1660 lbs.) (1110 lbs.) (550 lbs.) 7 1/2 11 8 5/16 23.5 9.1 14.4 THS3484 19.0 (1440 lbs.) (2350 lbs.) (910 lbs.
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APPENDIX C Problem Possible Cause Solution Maintain pool chemistry. Consult pool service technician 1. Water chemistry not in balance Verify media size with media vendor. Consult Appendix B of this manual for proper media sizing. If the media is the incorrect size, replace with proper media. 2. Incorrect media installed The tank(s) may not have been backwashed enough upon initial start-up. Repeat the backwash procedure for initial start-up (see Start-up and Operation section). 3.
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APPENDIX D Pressures for Pressures for P Dirty Filter P Clean Filter ∆ ∆ Dirty Filter Backwashed Filter =(Influent - Effluent) =(Influent - Effluent) (Psi) (Psi) (Psi) (Psi) Date Time Influent Effluent Influent Effluent Start-up Start-up n/a n/a n/a 1. After performing the backwash for the initial start up, and returning the filter to normal operation, record the clean filter influent and effluent pressures into the first line of the chart a
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APPENDIX E Tank Owner’s Manual Pg. 20 of 23 9/26/05 Rev. D
