Admiral S20 Skimmer Owner`s Manual
Contents
1. i 3 500 7 4 4 3 5 5 4 000 8 l I 4 500 9 4 5 3 5 6 7 5 000 10 6 5 500 11 5 5 6 6 6 6 000 12 5 G Table 1 Suction Pipe Sizing by Surface Area of Pool and Rated flow Figure 7 Multi Skimmer Installation l A Capacity of Skimmers with pipe sizing Note multiple main drains Admiral S 20 Automatic Skimmer Installation Guide Skimmer Layout and Suction Line Sizing NOTE In any installation there should be at least two main drains at least three feet apart in addition to any skimmers installed A pool may use more than two but should never have less than two main drains NOTICE Installation must comply with all applicable codes including NSF Standard 50 if required Equalizer lines may be required on public pool or commercial pool installations 1 Use one skimmer per 500 square feet of pool surface area Suction line sizes are based ona water velocity of less than seven feet per second Since building codes vary check your local building code before installing pool and skimmers 2 Suction line sizes for each section of piping must allow for the total number of skimmers feeding that section of the line Suction line sizing in Chart allows for this 3 566 Figures 5 and 7 Pages 2 and 4 for piping layout See Table Page 4 for suction pipe sizing 4 For good hydraulic balance divide skimmers as equally as possi2. 98202900S crew sealing 98207200S crew sealing 98203000S crew 85008400 Screw kit XLG WM 85008500 S crew kit 10 hole pattern 85008600 S crew kit 10 hole pattern extra long 85008700 Screw kit standard 12 hole pattern 85008800 S crew kit standard 12 hole pattern extra long 85014500 Basket stubbv 85015100 0O ring skimmer bottom 355330 O ring equalizer 85016600Rubber stopper flap weir 85007430Lock down lid 9 in beige 85017900Ring seat 9 in beige 98213000Screw 8 32 x 5 8 in commercial lid 98208500Washer gum commercial lid 85014700Handle basket 85007200Angle bracket 85012800Track VF skimmer 85014200Trimmer equalizer 506162 Equalizer Valve Assembly Admiral S 20 Automatic Skimmer Installation Guide 4 Parts List continued SHORT THROAT LONG THROAT OUTSIDE MOUNT SHORT THROAT WIDE THROAT OUTSIDE MOUNT GUNITE THROAT D D SHORT THROAT g LONG THROAT 13 5 WIDE THROAT 13 5 Multi Skimmer Installation and Pipe Sizing Acceptable Flow Rate 10 60 GPM 3 Pool No of Surface Area Skimmers Skimmer Rated Flow GPM porto oon A 3 In Square Ft Req 30 35 40 45 50 60 Up to 600 1 2 2 i Main Drain l 1 000 2 De 2 2 21 i I 1 500 3 2 3 5 5 4 4 000 Sq Ft Pool Minimum 2 000 4 3 4 4 4 4 8 Skimmers 3 Apart 2 500 5 4 4 seat BAEN l l 3 000 6 4 4 4 4 5 Main Drain
3. be replaced within seven 7 years from installation or earlier if the cover becomes damaged in any way MA WARNING An ANSI ASME A112 19 8a approved anti entrapment drain cover must be used for each drain Pools and spas Should utilize two drains per pump Ifa drain cover becomes loose broken oris missing close the pool or spa immediately and shut off the pump until an approved anti entrapment drain cover is properly installed with the supplied stainless steel screws Only the supplied 316 stainless steel screws should be used with the drain cover Substitute screws such as masonry screws Sheet rock screws or other types of screws should never be used Screws put into the frame anywhere except in the original screw holes will not hold and will allow the drain cover to come off the main drain causing an entrapment hazard including possible limb and body entrapment or evisceration disembowelment If the screw holes of the frame are stripped or the brass inserts are missing loose or damaged replace the frame DO NOT DRILL NEW SCREW HOLES INTHE FRAME AS THIS WILL DAMAGE AND WEAKENTHE FRAME aA IMPORTANT NOTICE NA Attention Installer This manual contains important information about the installation operation and safe use of this product This information should be given to the owner and or operator of this equipment A WARNING Before installing this product read and follow all warning notices and instructions which are included Failure
4. gt PENTAIR ADMIRAL S 20 AUTOMATIC SKIMMER INSTALLATION GUIDE IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS Contents IMPORTANT WARNING AND SAFETY INSTRUCTIONS een ET eet EN ke 0 4 101140 0 OO gt cc apiece crest at EE ER Public Pool Models MAME vase Removing the Skimmer Lid Parts ITE Multi Skimmer Installation and Pipe Sizing Skimmer Lavout and Line Sizing Installation Technical Support Time 8 A M to 7 30 ET Phone 800 831 7133 Fax 800 284 4151 Web sites http www pentairpool com and staritepool com READ THEN KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE P N 99120000 Rev G 7 2014 IMPORTANT WARNINGS AND SAFETY INSTRUCTIONS MA WARNING INSTALLERS POOL OPERATORS AND POOL OWNERS MUST READTHESE WARNINGS AND ALL INSTRUCTIONS BEFORE USING THIS PRODUCT DANGER SERIOUS BODILY INJ URY OR DEATH CAN RESULT IFTHIS PRODUCT IS NOT INSTALLED AND USED CORRECTLY AWARNING FOR USE WITH MULTIPLE SUBMERGED SUCTION OUTLETS OR A SINGLE SUBMERGED SUCTION OUTLET IF ONLY A SINGLE SUCTION OUTLET OR MAIN DRAIN EXISTS A SAFETY VACUUM RELEASE SYSTEM SVRS SUCH AS THE PENTAIR WATER POOL AND SPA INTELLIFLO VS SVRS PUMP GRAVITY DRAINAGE SYSTEM AN AUTOMATIC SHUT OFF SYSTEM OR A SUCTION LIMITING VENT SYSTEM MUST BE USED A WARNING IMPROPER INSTALLATION OR USE OF THIS PRODUCT MAY PRESENT A RISK OF HAIR OR B
5. pump suction to equalizer or main drain line and preventing loss of prime in pump Seal normally remains until pump stops when float valve will rise If pump starts again before stoppage is cleared float will close again and remain closed until pump stops blockage is cleared or pool water level returns to normal Hazardous Suction Risk of hair or body entrapment drowning or disembowelment Wall fitting on equalizer line must be non entrapping of hair or body and must conform to ANSI ASME A112 19 8 requirements A check valve is required when skimmer is installed with equalizer Check valve is not used when skimmer is installed without equalizer Figure 4 Typical residential installation without float valve Use with at least two main drains Admiral S 20 Automatic Skimmer Installation Guide NOTICE The equalizer is an emergency bypass intended to prevent damage to the pump when pool water level is low or skimmer basket is blocked Do not allow flow through equalizer for extended time periods Equalizer If flow over weir is restricted Float valve closes diverting pump suction to equalizer or main drain line and preventing loss of prime in pump Seal normally remains until pump stops when float valve will rise If pump starts again before stoppage is cleared float will close again and remain closed until pump stops blockage is cleared or pool water level returns to normal MAINTENANCE At least 4 times P
6. ODY ENTRAPMENT AND DROWNING INSTALL THIS EQUIPMENT IN ACCORDANCE WITH THE INSTRUCTIONS PROVIDED USE ONLY WITH THE COMPONENTS AND MOUNTING HARDWARE PROVIDED FAILURE TO FOLLOW THESE INSTRUCTIONS AND OR USE WITH COMPONENTS NOT PROVIDED BY PENTAIR POOL PRODUCTS AND INTENDED TO BE USED WITH THIS PRODUCT MAY RESULT IN IMPROPER POSITIONING OR FUNCTIONING OF DRAIN COVER AND MAY CAUSE SEVERE PERSONAL INJ URY OR DEATH YEN 7N l SUCTION ENTRAPMENT HAZARD Pool and spa pumps produce high levels of suction which can pose extreme danger if a person comes in close proximity to an open pool or Spa drain or if a drain cover is loose cracked broken or missing 4 Pool and spa pumps move large volumes of water which can pose extreme danger if a person s hair comes in close proximity to a drain that is not the proper size for the pump or pumps Suction entrapment dangers include Hair Entanglement When the hair tangles or knots in the drain cover trapping the swimmer underwater This hazard is present when the flow rating of the cover is too small for the pump or pumps Limb Entrapment When a limb is sucked or inserted into an opening resulting in a mechanical bind or swelling This hazard is present when a drain cover is missing broken loose cracked or not properly secured Body Entrapment When a portion of the body is held against the drain cover trapping the swimmer underwater This hazard is present when the drain cover is m
7. ble between the main branches of the piping layout 5 Forlong pipe runs in which friction can reduce flow and pressure refer to your friction flow chart for proper pipe sizes 6 When planning location of skimmers on one and two skimmer outdoor pools locate skimmers so that the prevailing wind blows into the skimmers INSTALLATION Concrete See Figure 8 for basic dimensions NOTICE Skimmer MUST be surrounded by at least 4 of structural concrete in a monolithic pour using a cold joint as shown in installation drawings Line Connections and Testing Connect pump inlet line to rear port in bottom manifold Figure 8 Skimmer is ABS plastic manifold connections are 1 1 2 or 2 threaded or 1 1 2 slip For threaded connections do not use pipe dope to seal joint use RTV Silastic 732 preferred Teflon tape or Plasto J oint Stik For slip connections apply PVC primer to PVC pipe only Then apply ABS to PVC solvent cement to both pipe and slip connections Consult dealer for correct solvent cement for pipe used Assemble joint per cement manufacturer s instructions Allow at least 3 hours before pressure testing Plastic cements and primers can be flammable poisonous or both Closely follow cement manufacturer s instructions when using plastic cement In residential installations where equalizers are not required and where the main drain lines do not connect to the skimmer equalizer port low water levels in the pool s
8. ipe Diameter 6 Pump Suction Main Drains Weir Periodically check weir for free operation Replace if damaged or worn Strainer Basket Check strainer basket every few days for accumulated leaves debris etc Empty basket as required Reset float valve if it closed Float Valve Periodically check that float valve is operating freely and is not waterlogged For residential pools If necessary tighten trimmer plate pivot screw to maintain desired flow balance Check Valve Public Pool Models Inspect for wear or deterioration Make sure that screw is tight in check valve body If you can detect flow through equalizer with float valve open replace check valve Equalizer Wall Fittings Periodically check that wall fittings are correctly installed and that covers are tight to fittings Water Level Maintain water level at least 1 inch to 2 inch above bottom of skimmer opening for proper operation Adjust trimmer plate if necessary Make sure set screw is tight Winterizing Drain pool until level is below skimmer inlet Remove cover basket and float Plug both bottom ports with standard 1 inch or 2 inch pipe plugs Cover skimmer to prevent rainwater or snow accumulation Falling and tripping hazard Skimmer grate may deteriorate with prolonged use Cover must be flush with pool spa or hot tub deck level Skimmer is made of impact and weather resistant materials but extended use 5 7 years may lead to reduced s
9. issing broken or the cover flow rating is not high enough for the pump or pumps Evisceration Disembowelment When a person sits on an open pool particularly a child wading pool or spa outlet and suction is applied directly to the intestines causing severe intestinal damage This hazard is present when the drain cover is missing loose cracked or not properly secured Mechanical Entrapment When jewelry swimsuit hair decorations finger toe or knuckle is caught in an opening of an outlet or drain cover This hazard is present when the drain cover is missing broken loose cracked or not properly secured AWARNING Use these fittings only with a pumping system rated for the corresponding flow or less for two 2 inch plumbing FAILURE TO DO SO CAN RESULT IN HAIR OR BODY ENTRAPMENT WHICH CAN CAUSE SEVERE PERSONAL INJ URY OR DEATH If in doubt about the rating of your system consult a qualified pool or spa professional Admiral S 20 Automatic Skimmer Installation Guide IMPORTANT WARNINGS AND SAFETY INSTRUCTIONS IMPORTANT NOTICE Regularly ins pect all drain covers for cracks damage and advanced weathering If a drain cover becomes loose cracked damaged broken or is missing close the pool or spa immediately post a notice and keep the pool or spa closed until an appropriate VGB 2008 certified drain cover is properly installed Drain covers deteriorate over time due to exposure to sunlight and pool chemicals This drain cover must
10. oping or through skimmer throat and attach the vacuum hose directly to the vacuum plate Follow instructions in vacuum attachment or filter owner s manual for vacuuming operation After vacuuming remove hose and vacuum plate unplug equalizer port and reinstall check valve float basket and cover Be sure cover is solidly in the frame to prevent accidentally dislodging it Fasten cover with screws provided if children use pool Check Valve Public Pool Models Check valve is threaded into equalizer inlet port in skimmer When closed check valve prevents flow through equalizer line If flow through skimmer decreases enough to let float valve drop check valve opens to allow flow to pump from main drain equalizer line which prevents starving the pump Use Pentair Check Valve P N 506162 Inspect equalizer regularly During normal operation with float valve open the skimmer check valve prevents detectable flow through the equalizer wall fitting There should be no flow through the wall fitting unless the skimmer float valve is closed If you can feel suction into the equalizer wall fitting while the float valve is in normal or up position the check valve is leaking replace it NOTICE The skimmer check valve is factory pre set and not adjustable If check valve appears worn or deteriorated or if spring tension is loose do not try to fix it replace the check valve Equalizer If flow over weir is restricted Float valve closes diverting
11. pa or hot tub or clogged skimmer baskets may damage the pump due to loss of prime if skimmer sucks air or cavitation if skimmer clogs Air pulled in by skimmer s can be trapped in filter tanks which may be a safety hazard If skimmer regularly vortexes or sucks air raise water level or contact your pool service representative for advice CONCRETE pi 27 Top View 1 Vertical adjustment of frame to accommodate for misaligned pump suction a pump suction Alternate Line from Main Drain Section View Install an equalizer fitting thatconforms to ANSIASME A112 19 8 Note To prevent entrapment cover must fit tightly onto fitting Front View Figure 8 Admiral 5 20 Skimmer Installation Illustration Admiral S 20 Automatic Skimmer Installation Guide gt PENTAIR 1620 HAWKINS AVE SANFORD NC 27330 e 919 566 8000 10951 WEST LOS ANGELES AVE MOORPARK CA 93021 e 805 553 5000 www pentairpool com All Pentair trademarks and logos are owned by Pentair or by one of its global affilliates Pentair Aquatic Systems Admiral are trademarks and or registered trademarks of Pentair Water Pool and Spa Inc and or its affiliated companies in the United States and or other countries Unless expressly noted names and brands of third parties that may be used in this document are not used to indicate an affiliation or endorsement between the owners of these names and brands and Pentair Wa
12. ter Pool and Spa Inc Those names and brands may be the trademarks or registered trademarks of those third parties Because we are continuously improving our products and services Pentair reserves the right to change specifications without prior notice Pentair is an equal opportunity employer 2015 Pentair Water Pool and Spa Inc All rights reserved This document is subject to change without notice P N 99120000 REV G 2 2015
13. to follow safety warnings and instructions can resultin severe injury death or property damage Call 800 831 7133 for additional free copies of these instructions Itis absolutely critical thatthe suction plumbing be installed in accordance with the latest national and local codes for swimming pools A DANGER A pool spa pump produces high levels of suction which can pose extreme danger if a person comes in close proximity to an open pool or spa drain ora loose or broken drain cover or grate If you have any questions about installation or maintenance of this drain cover please contact your pool professional Never attemptto alter or repair the cover or frame on your own For more information about the Virginia Graeme Baker Pool and Spa Safety Act contact the Consumer ProductSafety Commission at 301 504 7908 or visitwww cpsc gov NOTE Always turn off all power to the pool pump before installing the cover or working on any suction outlet Admiral S 20 Automatic Skimmer Installation Guide Keep the skimmer lid properly secured at all times Failure to keep the lid secured can cause the lid to become dislodged when stepped on resulting in risk of serious injury Replace the skimmer lid if itis worn or damaged Failure to replace a worn or damaged skimmer lid can cause the lid to break when stepped on resulting in risk of serious injury Hazardous Suction Risk of hair or body entrapment drowning or disembowelment Wall fi
14. trength Regularly check condition of skimmer cover Look for cracks chips deterioration of plastic etc If any sign of damage or deterioration is found Trimmer Plate to Balance Flow To Pump Suction 991 0694 Figure 5 Typical residential installation with float valve Use with at least two main drains Removing the Skimmer Lid To remove the skimmer lid insert vour index finaer into the slots in the skimmer lid and press the tabs toward the center of the lid while lifting the lid see Figure 6 Parts List Admiral S 20 Automatic Skimmer Product Number Description 85004200Frame sealing liner standard hole pattern 85001600Gasket set liner standard hole pattern 45118100 Disk Logo 85000400Lid ring seat complete 85007600Frame sealing liner wide throat 85007700Gasket sealing liner wide throat 2 85007400Lock down lid 85000600Ring seat only 9 in diameter 85017500Pivot tab for flap weir 85002200Equalizer tube silicon rubber 85002400Trimmer valve plate residential 98204400Screw for trimmer plate 10 24 x 1 2 in 85002600Vari flo control insert only thermoplastic 85002000Ball valve assembly complete 85001500Weir flap molded R38013B Floating weir circular 85014500Basket tapered R38013A Basket 85000300Frame liner 10 hole pattern 81111800 Gasket set Lg 10 hole pattern w dbl wall 81111700Gasket set Lg 10 hole pattern w o dbl wall 85015200 Equalizer assembly NOT SHOWN
15. tting on equalizer line must be lt non entrapping of hair or body and must conform to ANSI ASME A112 19 8 Note Skimmer is not equivalent to a main drain All pools spas and hot tubs must have at least two main drains besides skimmer s CAUTION Blocking pump suction can cause pressure surges and water hammer which can damage pump or piping and may cause flooding OPERATION Pump suction pulls water through skimmer Water flow into skimmer carries floating leaves bugs etc into skimmer where they are trapped in skimmer basket Dust body oils etc go on through to be removed by pool filter Floating weir in skimmer opening enhances surface flow and skimming action Operation Water level Keep pool spa or hot tub water level at least 1 inch to 2 inch above bottom of skimmer opening for proper operation Float Valve Float valve protects pump from loss of prime if skimmer clogs or flow through skimmer is restricted Trimmer valve plate on bottom of float valve balances flow between skimmer and main drains Note Place Float Valve into bottom of skimmer Press to seat the o ring in place Flow adjustment Balance flow between skimmer and main drain a Skimmers without float Adjust shut off valves in pump suction line from skimmer and pool main drain line See Figure 1 below b Skimmers with float If skimmer is equipped with float valve adjust trimmer plate on bottom of float To reach trimmer plate remove co
16. ver basket and float valve See Figure 2 below Swing trimmer plate to one side to increase trimmer port size more flow through skimmer less flow through main drains reduce port size for less flow through skimmer and more flow through main drains Sweeping pool For installation without equalizer line hold weir up to starve skimmer of water and close float valve This directs all flow through main drains To return to normal skimming operation turn pump off 10 15 seconds allowing skimmer to fill and float valve to return to open position Skimmer will now operate normally as long as pool water level is high enough to allow normal flow over weir Typical Public Pool Skimmer Installation with Equalizer Line Installed To Pump Suction Figure 1 Normal operation float valve open check valve shut From Equalizer Outlet Figure 2 Equalizer operation float valve shut check valve open Vacuum X Plate To Pump Equalizer or Suction i i Main Drain To Pump Port Suction Equalizer Line 55 1022 0694 Figure 3 Vacuuming pool float and check valves removed equalizer check valve port plugged Admiral S 20 Automatic Skimmer Installation Guide 2 Vacuuming pool Figure 5 Remove cover basket and float valve and check valve if skimmer has them Plug equalizer inlet Replace basket and place vacuum plate on top of basket Fill the vacuum hose with water bring it in over c
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