EC65A, EC75A
Contents
1. ISOSING Rev A Pomona CA Clemmons NC Nashville TN www haywardpool com Page 7 of 12 SERVICE amp REPAIRS Consult your local authorized Hayward Perflex dealer or service center No returns may be made directly to the factory without the expressed written authorization of Hayward Pool Products Inc ALGAE CONTROL Algae is a form of plant life which can vary in size from a few thousandihs of an inch to the size of a small tree Of the many forms of algae those most frequently found in swimming pool water are microscopic in size and green in color Algae readily grows in sunlight and can under favorable conditions quickly overgrow a swimming pool turning it completely green in just a few hours On the other hand swimming pool water can be kept unfavorable to algae growth simply by maintaining a chlorine level of at least 0 5 ppm in the water at all times The chlorine level should be checked at least once a day using a Suitable test kit ISOSING Rev A If an algae condition develops and the pool water blooms green superchlorination of the pool will be necessary to clear it Add unstabilized granular chlorine or liquid chlorine Follow chemical manufacturer s recommendation for superchlorination The algae will quickly become inactive and can then be removed by the filter Live algae on the other hand multiplies so fast that the filter cannot keep up with its growth rate In an active algae situation it m2. installed Suction outlets in the same plane i e floor or wall must be installed a minimum of three feet 3 1 meter apart as measured from near point to near point o Dual suction fittings shall be placed in such locations and distances to avoid dual blockage by a user Dual suction fittings shall not be located on seating areas or on the backrest for such seating areas Never use Pool or Spa if any suction outlet component is damaged broken cracked missing or not securely attached Replace damaged broken cracked missing or not securely attached suction outlet components immediately In addition two or more suction outlets per pump installed in accordance with latest NSPI AF Standards and CPSC guidelines follow all National State and Local codes applicable o Installation of a vacuum release or vent system which relieves entrapping suction is recommended WARNING Failure to remove pressure test plugs and or plugs used in winterization of the pool spa from the suction outlets can result in an increase potential for suction entrapment as described above J N WARNING Failure to keep suction outlet components clear of debris such as leaves dirt hair paper and other material can result in an increase potential for suction entrapment as described above J N WARNING Suction outlet components have a finite life the cover grate should be inspected frequently and replaced at least every ten years or if fou
3. apply Hayward shall not be responsible for cartage removal and or reinstallation labor or any other such costs incurred in obtaining warranty replacements The Hayward Pool Products warranty does not apply to components manufactured by others For such products the warranty established by the respective manufacturer will apply Some states do not allow a limitation on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to State Hayward Pool Products Inc 620 Division Street Elizabeth NJ 07207 Supersedes all previous publications USE ONLY HAYWARD GENUINE REPLACEMENT PARTS se Pomona CA Clemmons NC Nashville TN oe HAYWARD Poo Products www haywardpool com a A Hayward Industries Inc Company Page 11 of 12 ISOSING Rev A Get the Scoop on Achieving Optimum D E Filter Performance with Hayward s D E Pre Measure Scoop With Hayward s D E Pre Measure Scoop you can now accurately measure and add the correct amount of diatomaceous earth powder to your pool filter ensuring optimum performance and crystal clear sparkling water Hayward s D E Pre Measure Scoop is the only scoop that provides an exact measure of 1 Ib or 1 2 lb of D E Needless guesswork is eliminated Adding D E is accurate easy a
4. 22A Vent Valve With O Ring 1 4 ECX11194AT Filter Head with Vent Valve 1 5 ECX100Z9 Roll Pin 1 6 ECX4236A Bump Shoulder bolt Kit 1 7 Nut in bolt Kit 8 ECX1040 Bump Handle Assy w pins bolt amp nut 1 9 ECX1037B Bump Handle Grip 1 10 ECX1642A Tank Bolt Set Screw and Nut 15 11 ECX1077 1 4 x 1 1 16 OD Flat washer 30 12 ECX1230 Decal O peration Instructions 1 13 SPX1500NYA Tube Sheet Screw 16 14 ECX1110 Bump Shaft 1 15 ECX9611246 O ring 3 16 ECX1014 Retainer 2 17 ECX1011 Thrust Washer 2 ECX1014A Shaft kit Includes 15 16 17 1 18 ECX1104 Tube Sheet Top 1 19 ECX1105 Diaphragm Gasket 1 20 ECX1103 Tube Sheet Bottom 1 21 SPX1500Y1 Tube Sheet Nut 16 22a ECX1031 Flex Tube Assembly 13 3 8 EC 65 120 22b ECX1032 Flex Tube Assembly 16 1 4 EC75 120 23 ECX1642215 4 20 x 1 3 4 Hex head Bolt 16 24 SP0723 Ball Type Drain Valve with Nipple 1 25 ECX4220A Elbow Assy w Check Valve 1 26 ECX4077B1 Check Valve 1 27 SPX1500W O ring 1 28a ECX27091 Pressure Gauge 1 28b ECX12866 Gauge Port Adapter 1 28c ECX1287 Adapter O ring 1 29 ECX11184AT Filter Body w Internal Elbow 1 30 Super Super II or Tri Star pump 1 31 SPX1485C Gasket 1 32 SPX1485B Pump Discharge Elbow 1 33 SPX1425Z6 0 Ring 1 34 SPX1485A Union Ball End 1 35 SPX1480C Union Nut 1 36 ECX1263 Platform Base 1 37 ECX1275 Pump Mounting Screw 2 38 EC1161 Washer 2 ECX12515 Flex Tube Nest EC65 ECX125175 Flex Tube Nest EC75 Includes 13thru 22
5. IS65ING HAYWARD Poo Products i One source Every pool OWNER S MANUAL INSTALLATION OPERATION amp PARTS MODELS EC65A EC75A PERFLEX SERIES Extended Cycle Basic FILTER Units Basic safety precautions should always be followed including the following Failure to follow instructions can cause severe injury and or death AN This is the safety alert symbol When you see this symbol on your equipment or in this manual look for one of the following signal words and be alert to the potential for personal injury AN WARNING warns about hazards that could cause serious personal injury death or major property damage and 1f ignored presents a potential hazard A CAUTION warns about hazards that will or can cause minor or moderate personal injury and or property damage and if ignored presents a potential hazard It can also make consumers aware of actions that are unpredictable and unsafe The NOTICE label indicates special instructions that are important but not related to hazards SAVE THIS INSTRUCTION MANUAL USE ONLY HAYWARD GENUINE REPLACEMENT PARTS e Pomona CA Clemmons NC Nashville TN R HAYWARD Poo Products www haywardpool com a A Hayward Industries Inc Company Page 2 of 12 ISOSING Rev A THIS PAGE IS INTENDED TO BE BLANK USE ONLY HAYWARD GENUINE REPLACEMENT PARTS EN E Pomona CA Clemmons NC Nashville TN i HAYWARD Poo Products www haywardpool com mee A Hayward Industries Inc Company P
6. Pool Products 620 Division Street Elizabeth NJ 07207 Attn Warranty Dept H A WA R D Please Print Clearly Warranty Registration Card Name Purchased Date Address Purchased from City State Zip Company name E mail Address_ S S o Address Phone No City State Zip Product Model Number o o Z o Please send me more information on these other products from Hayward Product Serial No O Pump O Filter CO Automatic Pool Cleaner O Light O New Installation O Replacement O Chlorinator O Skimmer O Heater L Heat Pump Type of In Ground Pool CO Salt Chlorine Generator L Controls O Vinyl O Fiberglass LI Gunite May we contact you for future product promotions and offerings LJ Yes LJ No Size of Pool Hayward Pool Products 2007 REGISTER YOUR WARRANTY ON LINE AT WWW HAYWARDNET COM All rights reserved USE ONLY HAYWARD GENUINE REPLACEMENT PARTS ry AYWARD Pomona CA Clemmons NC Nashville TN Pool Products www haywardpool com _ a ie Hayward Industries Inc Company Page 12 of 12 ISOSING Rev A THIS PAGE IS INTENDED TO BE BLANK USE ONLY HAYWARD GENUINE REPLACEMENT PARTS EN E Pomona CA Clemmons NC Nashville TN i HAYWARD Poo Products www haywardpool com mee A Hayward Industries Inc Company
7. RTS Pomona CA Clemmons NC Nashville TN www haywardpool com Page 8 of 12 ISOSING Rev A PROBLEM PROBABLE CAUSE REMEDY 1 D E coated with normal accumulation of pool 1 Bump dirt algae etc 2 Bump Drain Recharge Running at high 2 Overcharge of D E 3 Change to larger size fitting pressures 3 Restriction in return line caused by small 4 Open valve eyeball fitting 4 Partially closed valve on return line Drop off of return flow 1 D E coated with normal accumulation of pool dirt algae etc 2 Pump strainer basket clogged 3 Skimmer basket clogged 4 Pump impeller vanes clogged 5 Air leak on suction side of pump 6 Electric motor running less than maximum R P M under speed 1 Bump 2 Clean 3 Clean 4 Cleaning with a stiff wire thru the pump strainer opening will usually work Alternate would be to disassemble and clean 5 Check cover gasket hand knobs hose clamps etc Replace or tighten as necessary 6 Consult pump and motor trouble shooting guide NOTE Most motor problems are due to 1 Undersized or improper wiring 2 Power cut backs or a combination of both Short cycles 1 D E loaded to capacity with pool dirt algae etc 2 Bumping incorrectly 3 Bump handle bent 4 Pump output exceeds design flow rate of filter 5 Presence of algae 1 Bump Drain Recharge 2 Slow down stroke brisk upstroke Repeat 6 times 3 Check and straighten or replace 4 C
8. This equipment was inspected before shipment from our plant To original purchasers of this equipment Hayward Pool Products Inc 620 Division Street Elizabeth New Jersey warrants its products free from defects in materials and workmanship for a period of ONE 1 year from the date of purchase Parts which fail or become defective during the warranty period except as a result of freezing negligence improper installation use or care shall be repaired or replaced at our option without charge within 90 days of the receipt of defective product barring unforeseen delays To obtain warranty replacements or repair defective components or parts should be returned transportation paid to the place of purchase or to the nearest authorized Hayward service center For further Hayward dealer or service center information contact Hayward customer service department No returns may be made directly to the factory without the express written authorization of Hayward Pool Products Inc To original purchasers of this equipment Hayward Pool Products Inc warrants its vacuum release systems to be free from defects in materials and workmanship for a period of ONE 1 year from the date of purchase Filters which become defective during the warranty period except as a result of freezing negligence improper installation use or care shall be repaired or replaced at our option without charge All other conditions and terms of the standard warranty
9. age 3 of 12 ISOSING Rev A A WARNING Read and follow all instructions in this owner s manual and on the equipment Failure to follow instructions can cause severe injury and or death WARNING Suction Entrapment Hazard Suction in suction outlets and or suction outlet covers which are damaged broken cracked missing or unsecured can cause severe injury and or death due to the following entrapment hazards Hair Entrapment Hair can become entangled in suction outlet cover Limb Entrapment A limb inserted into an opening of a suction outlet sump or suction outlet cover that is damaged broken cracked missing or not securely attached can result in a mechanical bind or swelling of the limb Body Suction Entrapment A negative pressure applied to a large portion of the body or limbs can result in an entrapment Evisceration Disembowelment A negative pressure applied directly to the intestines through an unprotected suction outlet sump or suction outlet cover which is damaged broken cracked missing or unsecured can result in evisceration disembowelment Mechanical Entrapment There is potential for jewelry swimsuit hair decorations finger toe or knuckle to be caught in an opening of a suction outlet cover resulting in mechanical entrapment J N WARNING To Reduce the risk of Entrapment Hazards o When outlets are small enough to be blocked by a person a minimum of two functioning suction outlets per pump must be
10. ay be necessary to regenerate the Perflex filter as frequently as every 2 to 3 hours When correctly used commercial algaecides are effective against algae though algaecides should be used in conjunction with and not as a substitute for regular chlorination or superchlorination Maintaining a chlorine level of at least 0 5 ppm in the pool water at all times is the most effective way to prevent algae growth in swimming pools POOL CHEMISTRY GUIDELINES ACTION REQUIRED TO CORRECT POOL CHEMISTRY SUGGESTED POOL CHEMISTRY LEVELS TO RAISE TO LOWER pH 7 2to7 6 Add Soda Ash Add Muriatic Acid or Sodium Bisulphate TOTAL ALKALINITY 100 to 130 pom Add Sodium Bicarbonate Add Muriatic Acid CHLORINE UNSTABILIZED 0 3 to 1 0 ppm Add Chlorine Chemical No action chlorine will naturally dissipate CHLORINE STABILIZED 1 0 to 3 0 pom Add Chlorine Chemical No action chlorine will naturally dissipate CHLORINE STABILIZER Cyanuric Acid 40 to 70 ppm Add Stabilizer Dilution partially drain amp refill pool with water that has not been treated with Cyanuric Acid PRODUCT REGISTRATION Retain for Your Records DATE OF INSTALLATION PURCHASED FROM MODEL SERIAL NUMBER A Retain this Warranty Certificate in a safe and convenient location for your records HAYWARD Poo Products a A Hayward Industries Inc Company USE ONLY HAYWARD GENUINE REPLACEMENT PA
11. ce Flex Tube D E leaking to 2 Rip or hole in diaphragm gasket 2 Replace gasket pool via the 3 Worn or loose fitting diaphragm gasket 3 Replace gasket etnines chemicals fed thru suction lines may shorten life of this part 4 Tighten bolts 4 Loose bolts on tube nest plates 1 Caking of D E under tube sheet Sometimes 1 Bump Drain Recharge more caused by accumulation of sun tan oils hair or often and reduce the use of oils floating particles that bind together in a clay Hard bumping like form 2 Bump Drain Recharge with 2 Qverloaded with D E Sometimes happens proper amount of D E when last charge of dirty D E was not properly 3 Bump more frequently drained 3 Filter runs too long between bumping D E leaking Filter check valve worn or stuck open Clean and or replace back to pool via skimmer or main drain Very short cycles when vacuuming Normal if pool contains 1 Very dirty water 2 Presence of live vigorously growing algae Presence of alum or floccing agents which will clog filter 1 Bump Drain Recharge more often 2 Add enough chlorine to control this growth then vacuum 3 Vacuum so as to by pass filter Avoid using floccing agents HAYWARD Poo Products USE ONLY HAYWARD GENUINE REPLACEMENT PARTS a A Hayward Industries Inc Company Pomona CA Clemmons NC Nashville TN www haywardpool com Page 10 of 12 ISOSING Rev A HAYWARD LIMITED WARRANTY
12. e whether the pump will be located above or below the normal pool water line If the pump is going above the water line a self priming centrifugal pump must be used Self priming pumps can lift water from a lower level and prime automatically There is another type of pump simply called the centrifugal Unlike self priming centrifugals which can lift water from a lower level a centrifugal must be located below the water line for dependable priming Select a pump with an output rating of between 30 and 100 GPM 114 380 LPM VENT VALVE 4 SYSTEM LOCATION 1 Though the system is designed for outdoor use it is advisable to protect electrical components from the weather Select a well drained area one that will not flood when it rains 2 For best pump performance locate the system above the pool water line a Super Pump Super II pump Max Flo or TriStar pump is required and can be raised two feet above the water line i HAYWARD Pool Products in A Hayward Industries Inc Company 3 Set the mounting platform level Keep the filter bump handle drain outlet and pressure gauge accessible for convenient operation There is an alternate bump handle location on the other side of the filter outlet Instructions for changing the handle position are covered later 4 Position the system so that the filter tank can drain by gravity PLUMBING amp INSTALLATION 1 Use 1 1 2 I D flexible plastic pipe or hose joined
13. heck GPM LPM output Regulate pump GPM LPM output to max filter GPM LPM rating 5 Super chlorinate Bump Drain Recharge as needed Short cycles even after proper bumping draining and recharging Contaminated clogged Flex Tube braids Caused by a Natural accumulation of chemical deposits accelerated if chemicals are fed thru skimmer b Running D E charge too long with excessive amount of live algae present in pool c Operating filter without D E d Operating too long without D E after starting pump D E must be added as soon as filter is full of water and pump is putting out a steady stream Clean Tube Nest Detergent Cleaning Remove tube nest and hose down with forceful stream of clean water Soak tube nest in strong solution of laundry detergent such as Cheer and warm water Hose down again a b Chemical Cleaning This requires use of water and muriatic acid solution or filter HAYWARD Poo Products USE ONLY HAYWARD GENUINE REPLACEMENT PARTS a A Hayward Industries Inc Company Pomona CA Clemmons NC Nashville TN www haywardpool com Page 9 of 12 ISOSING Rev A cleaner type preparations to IMPORTANT Testing a new pool plumbing chemically dissolve system without adding D E will cause this contaminates Consult your type of clogging pool dealer for chemical cleaning instructions 1 Opening or tear in one or more Flex Tubes 1 Repla
14. how to bond pump Also contact a licensed electrician for information on local electrical codes for bonding requirements The Hayward Perflex is a high performance swimming pool filter The EC65AC filter it has an output rating of 3 240 gallons 12 2 KL per hour The EC75AC filter it has an output rating of 4800 gallons 18 0 KL per hour Manufactured from durable corrosion proof materials the filter can be combined on a strong molded mounting base The filters are designed for continuous operation for installation up to 2 feet above the pool water line It may be used on fresh or salt water swimming pools The Perflex filter uses diatomite filter powder commonly called D E D E is the most efficient dirt remover Known It is normally fed into the system through the skimmer when the filter is initially started then drained from the filter when it can no longer efficiently remove dirt from the water Through the Perflex s exclusive BUMP action the D E is periodically regenerated and the filter cycle extended without changing the powder When the filter powder is totally used the BUMP action makes it possible to drain the used diatomite without backwashing or dismantling the filter PUMP SELECTION To power your Perflex filter select a continuous duty pump designed for swimming pool service The pump mounting bracket EC65BLP and hardware purchased separately for the filter will readily accept most units It is important to determin
15. into the system through the skimmer as fast as the plumbing will take it Note and record the pressure gauge reading after the diatomite has been added This is the precoat pressure FILTERING Filtration starts as soon as the filter has been precoated As the filter removes dirt from the pool water the accumulated dirt causes a resistance to flow As a result the gauge pressure will rise and the flow will decrease When the pressure rises 7 10 psi 49 70 Bar above the precoat pressure regenerate the filter REGENERATION Extending the Cycle Stop the pump Move the bump handle down slowly then up briskly Repeat 3 times Restart the pump and filtration will resume at near the original flow and pressure After each regeneration and until the filter is cleaned there may be a slight increase in the starting pressure This is the result of dirt accumulating within the filter and is completely normal CLEANING Cleaning is recommended when the gauge pressure rises more than 10 psi 70 Bar in less than a 24 hour period or when cloudy water returns to the pool for more than 30 seconds after regeneration To clean first stop the pump then move the bump handle down slowly then up briskly Repeat 8 times Open the vent valve under bump cover open the filter drain Note if the filter is installed below the pool water line close the suction and return valves and HAYWARD Poo Products in A Hayward Industries Inc Compa
16. mp fully open filter manual air relief valve Do not close filter manual air relief valve until a steady stream of water not air or air and water is discharged A 1 WARNING Separation Hazard Failure to follow safety and operation instructions could result in violent separation of pump and or filter components Strainer cover must be properly secured to pump housing with strainer cover lock ring Before servicing pool and spa circulation system filters manual air relief valve must be in open position Do not operate pool and spa circulation system if a system component is not assembled properly damaged or missing J N WARNING Electrical Ground motor before connecting to electrical power supply Failure to ground pump motor can cause serious or fatal electrical shock hazard gt AN WARNING Do NOT ground to a gas supply line USE ONLY HAYWARD GENUINE REPLACEMENT PARTS eases Pomona CA Clemmons NC Nashville TN ee HAYWARD Poo Products www haywardpool com WARNING bn A Hayward Industries Inc Company Page 4 of 12 Ay Fi A ISOSING Rev A AN WARNING To avoid dangerous or fatal electrical shock turn OFF power to motor before working on electrical connections AN WARNING Failure to bond pump to pool structure will increase risk for electrocution and could result in injury or death To reduce the risk of electric shock see installation instructions and consult a professional electrician on
17. nd fast all with no mess The D E Pre Measure Scoop doubles as a broadcaster for distributing granular chlorine to your pool It can also be used for scooping out those hard to remove final gallons of water from your spa Plus there are hundreds of other uses Hayward s D E Pre Measure Scoop is available at your pool dealer Just look for the bright orange display Watch it on Video Now that you ve got the filter that provides the cleanest clearest pool water Get the video that keeps maintenance at a minimum and pool enjoyment at a maximum That s right Hayward Pool Products has an easy stress free way for you to learn about how to operate and maintain your Perflex filter by video The new twelve minute Perflex video includes easy to follow how to s on achieving and maintaining proper pool water chemistry initial start up and operation of your Perflex fitter cleaning your Perflex plus vacuuming preventative maintenance and winterizing Perflex the video It keeps maintenance at a minimum and pool equipment at a maximum Just order Operation and Maintenance Video Part Number EC OM Video 90 and include your check or money order for 9 95 2 50 for shipping and handling and mail to Hayward Pool Products Inc 620 Division Street Elizabeth NJ 07207 Attn Marketing Communications E HERE Fill out completely and mail within 10 days of purchase installation or REGISTER ONLINE AT WWW HAYWARDNET COM Mailto Hayward
18. nd to be damaged broken cracked missing or not securely attached A ms CAUTION Components such as the filtration system pumps and heater must be positioned so as to prevent their being used as means of access to the pool by young children IN WARNING Never operate or test the circulation system at more than 40 PSI N CAUTION All electrical wiring MUST be performed by a qualified professional and MUST conform to local codes and regulations Pan Pa WARNING Never change the filter control valve position while the pump is running M 3 WARNING Hazardous Pressure Pool and spa water circulation systems operate under hazardous pressure during start Y 4 up normal operation and after pump shut off Stand clear of circulation system equipment during pump start up Failure to follow VA safety and operation instructions could result in violent separation of the pump housing and cover and or filter housing and clamp due to pressure in the system which could cause property damage severe personal injury or death Before servicing pool and spa water circulation system all system and pump controls must be in off position and filter manual air relief valve must be in open position Before starting system pump all system valves must be set in a position to allow system water to return back to the pool Do not change filter control valve position while system pump is running Before starting system pu
19. ny ISOSING Rev A allow water and dirt to empty completely After the filter has drained and with the drain still open run the pump for a few seconds to flush out any dirt remaining in the bottom of the filter Note If the filter is installed below the pool water line opening the suction valve for a few seconds with the pump off will adequately flush the unit Close the filter drain and the vent valve Open the suction and return valves when used Start the pump and let the filter fill with water and repeat the CLEANING procedure This completes the cleaning phase The filter is now ready for recharging Proceed as in STARTING THE FILTER and PRECOATING VACUUMING Vacuuming can be performed directly into the filter whenever needed For fastest results regenerate the filter before and after each vacuuming operation TO CHANGE BUMP HANDLE POSITION 1 Remove the bump handle grip Push in tab at base of handle Carefully pry the bump cover from the retaining groove and slide the cover off the handle 2 Using a drift or 10 penny nail tap the pivot pin out of the filter head anchor point freeing the end of the handle Rotate the bump handle to the alternate position and align the handle and the head anchor holes Tap the pivot pin in place 3 Reinstall the bump cover and grip PREVENTIVE MAINTENANCE While Perflex filters are basically resistant to the difficulties often encountered as a result of chemical build
20. ump instruction booklet for pump information USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona CA Clemmons NC Nashville TN www haywardpool com Page 5 of 12 BEFORE STARTING THE FILTER 1 Obtain a supply of operating chemicals D E and a pool test kit Use only the swimming pool grades of D E such as CELATOM Eagle Picher Industries Inc AQUA CEL Johns Manville Products Corporation DICALITE 4200 Grefco Inc WITCO Witco Corporation 2 Superchlorinate the pool water by adding unstabilized granular or liquid chlorine Stabilized forms of chlorine are recommended for normal daily use after the initial clean up of the water Follow chemical manufacturer s recommendations for superchlorination and daily use STARTING THE FILTER Close the filter drain and the vent valve CAUTION All suction and discharge valves must be open when starting the pump Failure to do so could cause severe personal injury and or property damage Prime and start the pump following the manufacturer s instructions Air trapped in the system will automatically vent to the pool When there is a steady flow of water returning to the pool the filter is ready for precoating DO NOT operate the filter for more than one minute without the precoat charge PRECOATING For the EC65A Scoop 6 Ibs 2 7 kgs of diatomite into the system through the skimmer as fast as the plumbing will take it For the EC75A Scoop 7 lbs 3 2 kgs of diatomite
21. up in swimming pools it is important to keep in mind that the mineral content in a pool increases every day as a result of the chemicals and the normal water evaporation process If the concentration of minerals is allowed to get too high the minerals will form deposits on the Flex Tubes inside the filter and will eventually result in shortened filter cycles To guard against this a yearly chemical cleaning soaking of the Flex Tube assembly is suggested Use commercially available 20 muriatic acid added to water in 1 to 1 ratio or use other commercial filter element cleaner mixed according to the package instructions Use a plastic container CAUTION WHEN HANDLING CLEANING AGENTS AS THEY CAN BE HARMFUL TO THE EYES SKIN AND CLOTHING After cleaning thoroughly flush all affected parts with cold water Always wear gloves and eye protection 6 when handling cleaning agents WINTERIZING In areas where sub freezing temperatures can be expected the filter should be drained and removed from its operating location and stored indoors Prior to removal cycle the filter as described under CLEANING USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona CA Clemmons NC Nashville TN www haywardpool com Page 6 of 12 REF NO NO PART NO DESCRIPTION REQ 1 ECX11206 Bump Mechanism Cover 1 2 ECX1019 Cover Screw 1981 and Prior 2 3 ECX13
22. with insert fittings and stainless steel clamps If rigid return piping is used installation of a piping union is recommended for ease of future servicing 2 All plumbing connections on the system are 1 1 2 N P T When making connections use plastic male end adapters Apply three turns of Teflon tape or plastic pipe sealant compatible with ABS to the male threads Screw the fitting into the thread hand tight then using a wrench tighten one more full turn Additional tightening is unnecessary and could result in damage to components 3 Tighten pump base mounting bolts if loose Securely hand tighten the union nut between the filter and pump 5 Connect the pool suction plumbing between the skimmer pool outlet and the pump 6 Connect the pool return inlet plumbing If the pressure gauge is not installed apply Teflon tape to the gauge threads and carefully screw the gauge into the threaded hole in the side of the filter body 8 A drain plug with gasket is furnished with each filter and is all that is needed for complete filter draining If desired however drain piping may be extended from the filter by using the optional Drain Valve Kit Model SP0723 and an appropriate length of 1 1 2 pipe Piping must slope away from the filter so the tank can drain by gravity 9 All electrical connections should be made in accordance with applicable electrical codes 10 Check for joint leaks before operating system 11 Refer to p
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