EasyClean D.E. Element Filter Installation and User`s Guide
Contents
1. positioned and lubricated with a silicone base lubricant 5 Reinstall the valve stem and cover assembly with a downward and clockwise motion until it snaps into position VALVE STEM AND COVER ASSEMBLY LOCKING TAB O RINGS FILTER Figure 3 TANK DE Element Filter Installation and User s Guide Winterizing the System ACAUTION Allowing water to freeze in the system will damage the system and cause potential water damage flooding and potential property damage 1 In areas that have freezing winter temperatures the pool equipment must be winterized to protect it from damage 2 Open the High Flow manual relief valve Remove the drain port cap at the bottom of the filter IMPORTANT NOTE Remove drain port cap for draining water from filter Leave the drain port cap off and store it during the time the system is shut down Drain all appropriate system piping 5 It is recommended that the pump and filter be covered with a tarpaulin or plastic sheet to inhibit deterioration from the weather DO NOT wrap the pump motor with plastic 6 In installations where the pump cannot be drained a 40 Propylene Glycol 60 water solution will protect to 50 F 45 5 C Note Do not use anti freeze solutions except Propylene Glycol as other anti freeze are highly toxic and will damage the pump Technical Data and Replacement Parts Note Please see the provided insert sheet for Technical Da2. service professional in accordance with the National Electrical Code and all applicable local codes and ordinances Improper installation may create an electrical hazard which could result in death or serious injury to pool users installers or others due to electrical shock and may also cause damage to property A WARNING Pumps are not a substitute for properly installed and secured pool drain covers An ANSI ASME A112 19 8 approved anti entrapment drain cover must be used for each drain Pools and spas should utilize a minimum of two drains per pump If a drain cover becomes loose broken is missing close the pool spa immediately and shut off the pump until an approved anti entrapment drain cover is properly installed with the manufacturer s supplied screws For information about the Virginia Graeme Baker Pool and Spa Safety Act contact the Consumer Product Safety Commission at 301 504 7908 or visit www cpsc gov Important Note Always turn off all power to the pool pump before installing the cover or working on any suction outlet DE Element Filter Installation and User s Guide Section 1 Filter Overview Your high rate Diatomaceous Earth DE filter is designed to filter out particles as small as five microns to produce clear sparkling water The DE filter element life will vary with pool conditions such as bather load wind dust etc Water enters the filter through the inlet port at the bot
3. controls Then turn motor shaft with your fingers If it turns freely then the pump must be disassembled and the impeller checked to see if it is clogged If it is not frozen or clogged then there is an obstruction in the line between the pool and the pump D The pressure gauge is an important part of the filter system It is your primary indicator of how the system is operating Maintain your pressure gauge in good working order Check the operation of your pressure gauge in the following manner 1 The pressure gauge should go to zero 0 when the system is turned off and pressure is relieved 2 The pressure gauge should indicate pressure when the system is operating 3 The pressure gauge should be readable and not damaged in any way 4 Replace the pressure gauge if it is not meeting the requirements of items D 1 through D 3 of this section above DE Element Filter Installation and User s Guide eui uonons ui uedo 0 exseq awws ueejo pue ejquiessesiq Joules Ul Ajoedeo 19u1seH 991AJ6S jood 10 jood si sugep Ie pun ueso JO uedo peAouuai s pun ueso UeI9IUU29 BOIAJOS Jood 10 1e eep JO 104 uiejs s und jueujej
4. feed ratios DO NOT increase pump size this will increase the flow rate through the system and may exceed the maximum flow rate stated on the drain cover A WARNING For filters intended for use in other than single family dwellings a clearly labeled emergency switch shall be provided as part of the installation A WARNING The switch shall be readily accessible to the occupants and shall be installed at least 5 feet 1 52 m away adjacent to and within sight of the filter DE Element Filter Installation and User s Guide WARNINGS AND IMPORTANT SAFETY PRECAUTIONS High Pressure from the Filter can cause severe injury or major property damage due to tank separation Release all pressure and read instructions before working on the DE element filter If the Lock Ring is adjusted under pressure the tank can separate causing serious injury or major property damage ADANGER BEFORE WORKING ON FILTER 1 Stop pump 2 Open air relief valve 3 Release all pressure from system RISK OF ELECTRICAL SHOCK OR ELECTROCUTION ADANGER PUMPS REQUIRE HIGH VOLTAGE WHICH CAN SHOCK BURN OR CAUSE DEATH BEFORE WORKING ON PUMP Always disconnect power to the pool pump at the circuit breaker from the pump before servicing the pump Failure to do so could result in death or serious injury to service person pool users or others due to electric shock A WARNING A pool or spa pump must be installed by a qualified pool and spa
5. information about the installation operation and safe use of this DE element filter This Guide should be given to the owner and or operator of this equipment Before installing this product read and follow all warning notices and instructions in this Guide Failure to follow warnings and instructions can result in severe injury death or property damage Call 800 831 7133 for additional free copies of these instructions Please refer to www pentair com for more information related to this product Water temperature in excess of 100 F 37 7 C may be hazardous to your health Prolonged immersion in hot water may induce hyperthermia Hyperthermia occurs when the internal temperature of the body reaches a level several degrees above normal body temperature of 98 6 F 37 C Effects of hyperthermia include 1 Unawareness of impending danger 2 Failure to perceive heat 3 Failure to recognize the need to leave the spa 4 Physical inability to exit the spa 5 Fetal damage in pregnant women 6 Unconsciousness resulting in danger of drowning The use of alcohol drugs or medication can greatly increase the risk of fatal hyperthermia in hot tubs and spas To reduce the risk of injury do not permit children to use or operate this DE element filter amp waRNING A WARNING When setting up pool water turnovers or flow rates the operator must consider local codes governing turnover as well as disinfectant
6. so that the piping connections and drain port are convenient and accessible for servicing and winterizing 5 Install electrical controls e g on off switches timers control systems etc at least five 5 feet from the filter This will allow you enough room to stand clear of the filter during system start up 6 Provide sufficient clearance around the filter to permit visual verification that the lock ring is properly installed see Figure 1 7 Provide sufficient space above the filter to remove the filter lid or for cleaning and servicing This distance will vary with the model of filter you are using See Table 1 below for the required vertical clearance Risk of electrical shock or electrocution Position the filter and High Flow manual air relief valve to safely direct water drainage and purged air or water Water discharged from an improperly positioned filter or valve can create an electrical hazard that can cause severe personal injury as well as damage property Table 1 Model Size Required vertical clearance ECDE60 15sq ft ECDE90 30 Sq ft 68in DE Element Filter Installation and User s Guide 8 When installing the High Flow manual air relief valve use the O ring only there is no need for thread sealing compounds Position the filter to safely direct water drainage Rotate the High Flow manual air relief valve to safely direct purged air or water Water discharged from an im
7. ATTEMPT TO OVER TIGHTENED THE LOCK RING AFTER LOCK RING HAS HIT THE STOPS ON THE BODY Any time the filter tank is opened and or element assembly is removed be sure to generously coat the O ring with silicone lubricant before reassembling the unit DO NOT USE PETROLEUM BASED LUBRICANTS BECAUSE THEY HAVE A DETERIORATING EFFECT ON RUBBER 12 Replace drain cap and reinstall air relief valve drain hose if used REPLACING FILTER ELEMENT Element life will vary with pool conditions such as bather load wind dust etc You can expect an average media life of three years under normal conditions To replace the element follow Cleaning The Filter instructions on page 10 CLEANING THE HIGH FLOW MANUAL AIR RELIEF VALVE Turn the pump off and shut off any automatic controls to ensure that the system is not inadvertently started during servicing 2 OPEN THE HIGH FLOW MANUAL AIR RELIEF VALVE UNTIL IT SNAPS INTO THE FULL OPEN POSITION THEN WAIT UNTIL ALL PRESSURE IS RELIEVED 3 With the relief valve attached to the filter tank pull out the locking tabs and remove the valve stem and cover assembly with a counterclockwise and lifting motion see Figure 3 on page 12 DE Element Filter Installation and User s Guide 4 Clean debris from the valve stem and body Verify that the filter tank s air passage is open by inserting a 5 16 drill bit through the valve body Verify that the O rings are in good condition properly
8. Guide FILTER RESTART THIS FILTER OPERATES UNDER HIGH PRESSURE WHEN ANY PART OF THE CIRCULATING SYSTEM e g LOCK RING PUMP FILTER VALVES ETC IS SERVICED AIR CAN ENTER THE SYSTEM AND BECOME PRESSURIZED PRESSURIZED AIR CAN CAUSE THE LID TO SEPARATE WHICH CAN RESULT IN SEVERE INJURY DEATH OR PROPERTY DAMAGE TO AVOID THIS POTENTIAL HAZARD FOLLOW THESE INSTRUCTIONS 1 Open the High Flow manual air relief valve until it snaps into the full open position this only requires a quarter turn counterclockwise Opening this valve rapidly releases air trapped in the filter Stand clear of the filter tank then start the pump 3 Close the High Flow manual air relief valve after a steady stream of water appears 4 The system is not working properly if either of the following conditions occur a A solid stream of water does not appear within 30 seconds after the pump s inlet basket fills with water b The pressure gauge indicates pressure before water outflow appears If either condition exists shut off the pump immediately open valves in the water return line to relieve pressure and clean the air relief valve see Cleaning the High Flow Manual Air Relief Valve on page 11 If the problem persists call Technical Support 1 800 831 7133 for assistance The following information should be read carefully since it outlines the proper manner of care and operation for your filter system As a result
9. Pentair Water Pool and Spa DE Element Filter Installation and User s Guide IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS Technical Support Sanford North Carolina 8 A M to 5 P M ET Moorpark California 8 A M to 5 PT Phone 800 831 7133 Fax 800 284 4151 Web sites visit www pentairpool com and staritepool com Contents Warnings and Important Safety i Section 1 Filter Overview Section 2 Installation Section 3 Operation and Maintenance Initial Start t tenter inet chi snc 6 Lock ring Installatiohi cicer ener trente rente nt nter krass 8 alid ipe 9 Cleaning the Eo Sp esos 10 Replacing Filter Element eese enne 11 Cleaning the High Flow Manual Air Relief Valve 11 Winterizing the System essuie praece acme eee 13 Technical Data and Replacement Parts 13 Section 4 Troubleshooting eeeeeeeeeeeeeeeeenn eterne nnnm tn tnnnatnnnt 14 2009 Pentair Water Pool and Spa Inc All rights reserved This document is subject to change without notice 1620 Hawkins Ave Sanford NC 27330 919 566 8000 10951 West Los Angeles Ave Moorpark 93021 805 553 5000 Pentair Water Pool and Spa an
10. can only be removed with Baqua Clean If TSP or any TSP type cleaner is used prior to stripping the film the cleaner and the gray film will combine to form a gum like substance Once this occurs the substance cannot be removed from the media and the filter media must be replaced 3 Remove hair and lint strainer pot lid and clean basket Replace basket and secure lid Disconnect air relief drain hose if installed 5 Remove locking ring by depressing safety latches on both sides of ring and rotate counterclockwise then remove tank lid 6 Remove the DE Cartridge style element assembly by placing hands in lifting handles and pulling straight up on the element assembly 7 Using a garden hose with a nozzle direct water spray at the element to dislodge and wash away accumulated foreign matter 8 Clean and remove debris from inside the filter tank and from O ring and O ring groove on tank body 9 Replacethecleanelementassembly into the filter tank body making sure itis fully seated Align the arrow on the handle frame with inlet portof filter DE Element Filter Installation and User s Guide 11 10 Replace the tank lid onto the tank body making sure it is fully and firmly seated on the tank body 11 Place lock ring over tank lid and centering the lock ring on the threads of the tank body turn the lock ring clockwise until the safety latches click and the lock ring hits the stops on the body DO NOT
11. d High Flow are registered trademarks and or trademarks of Pentair Water Pool and Spa Inc and or its affiliated companies in the United States and or other countries Baquacil and Baqua are registered trademarks of Arch Chemicals Inc Unless noted names and brands of others that may be used in this document are not used to indicate an affiliation or endorsement between the proprietors of these names and brands and Pentair Water Pool and Spa Inc Those names and brands may be the trademarks or registered trademarks of those parties or others P N 196042 Rev A 12 07 09 DE Element Filter Installation and User s Guide WARNINGS AND IMPORTANT SAFETY PRECAUTIONS SERIOUS BODILY INJURY OR DEATH RESULT IF THIS FILTER IS NOT INSTALLED AND USED CORRECTLY ADANGER INSTALLERS POOL OPERATORS AND POOL OWNERS MUST READ THESE WARNINGS AND ALL INSTRUCTIONS BEFORE USING THIS DE ELEMENT FILTER This filter is intended for use in swimming pool applications A WARNING Most states and local codes regulate the construction installation and operation of public pools and spas and the construction of residential pools and spas It is important to comply with these codes many of which directly regulate the installation and use of this product Consult your local building and health codes for more information IMPORTANT NOTICE Attention Installer This Installation and R User s Guide Guide contains important
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13. empt to as semble disassemble or adjust the filter lock ring while there is any pressure in the filter 2 certain the O ring is in position in the lower tank half Place the filter lid over the lower tank half Making sure it is fully and firmly seated on the tank half see Figure 2 on page 8 This filter operates under pressure With the lock ring and lid installed properly and operated without air in 9 the system this filter will operate in a safe manner Air A entering the filter and the lock ring or lid not installed l 2 correctly can cause the lid to separate which could cause serious personal injury and or property damage THIS FILTER OPERATES UNDER HIGH PRESSURE WHEN ANY PART OF THE CIRCULATING SYSTEM e g LOCK RING PUMP FILTER VALVES ETC IS SERVICED AIR CAN ENTER THE SYSTEM AND BECOME PRESSURIZED inde PRESSURIZED AIR CAN CAUSE THE LID TO SEPARATE WHICH CAN RESULT IN SEVERE INJURY DEATH OR PROPERTY DAMAGE TO AVOID THIS POTENTIAL HAZARD FOLLOW THESE INSTRUCTIONS 3 Placelock ring overtank lid and centering the lock ring on threads ofthe tank body turn the lockring clockwise until the safety latches click and the lock ring hits the stops on the body DO NOT ATTEMPT TO OVER TIGHTEN Filter Tank Top Lock Ring THE LOCK RING AFTER a LOCK RING HAS HIT THE Body STOPS ON THE BODY 4 Proceed to Filter Restart on page 9 Figure 2 DE Element Filter Installation and User s
14. ing the filter and 2 23 the lock ring or lid not installed correctly can cause the lid to separate which could cause serious personal injury and or property damage AWARNING DO NOT attempt to disassemble or adjust the filter unless you fully understand it s operation Serious injury or death can occur if the equipment is improperly handled Consult a pool service professional for maintenance and service assistance 1 Be sure all connections have been made and are secure Make sure the hair and lint pot of the pump is filled with water FAILURE TO FILL THE HAIR AND LINT POT WITH WATER WILL RESULT IN DAMAGE TO THE PUMP AND PUMP SEAL 3 OPEN THE HIGH FLOW MANUAL AIR RELIEF VALVE UNTIL IT SNAPS INTO THE FULL OPEN POSITION THIS ONLY REQUIRES TURN COUNTERCLOCKWISE DE Element Filter Installation and User s Guide 4 STAND CLEAR OF THE FILTER Start the pump allowing the filter tank to fill with water Close the High Flow manual air relief valve after a steady stream of water appears 5 Remove the skimmer lid put the recommended amount of diatomaceous earth D E into the skimmer The D E will be drawn into the filter and deposited evenly upon the element cartridge Now the filter is providing the pool with bright clean water NOTE DO NOT OPERATE FILTER WITHOUT D E CHARGE FOR MORE THAN TWO MINUTES DO NOT USE MORE THAN THE RECOMMENDED AMOUNT OF D E IN YOUR FILTER REGENERATIVE D E RECOMMEDATION The amou
15. lief or Pressure Regulator in the circulation system for the lowest working pressure of any of the components in the system DE Element Filter Installation and User s Guide 12 Use sealant on all tapered male connections of pipes and fittings Use only sealant compounds suited for plastic pipe Support pipe to prevent strains on filter pump or valve DO NOT USE PETROLEUM BASED PRODUCTS 13 Install pressure gauge in 1 4 NPT port located in the tank lid 14 Never store pool chemicals within ten 10 feet of your pool filter or pump Pool chemicals should always be stored in a cool dry well ventilated area AWARNING Chemical fumes and or spills can cause serious corrosion to the filter and pump structural components Structurally weakened components can cause filter pump or valve attachments to separate and could cause serious bodily injury or property damage A waRNING The system s centrifugal pump operates with electrical voltage and can generate both vacuum and pressure in the water system When properly wired and plumbed this pump will operate in a safe manner High voltage can cause serious or fatal injury Always install a suitable GFCI at the power source of this unit as an added safety precaution Article 681 31 of the NEC requires that a GFCI be used if this pump is used with a storable pool 15 Avoid over tightening the pipe threads when connecting fittings to the pump or filter Proper procedure is to app
16. ly a pipe sealant to the thread and then install hand tight plus one turn DO NOT OVER TIGHTEN DE Element Filter Installation and User s Guide 6 Section 3 Operation and Maintenance Initial Start Up 1 This filter operates under pressure When the lock ring is installed properly and operated without air in the water system this filter will operate in a safe manner 2 The maximum working pressure of this filter is 50 psi Never subject this filter to pressure in excess of this amount even when conducting hydrostatic pressure tests Pressures above 50 psi can cause the lid to separate which can result in severe injury death or property damage When performing hydrostatic pressure tests or when testing for external leaks of the completed filtration and plumbing system insure that the Maximum Pressure that the filtration system will be subjected to DOES NOT EXCEED THE MAXIMUM WORKING PRESSURE OF ANY OF THE COMPONENTS CONTAINED WITHIN THE SYSTEM In most cases the maximum pressure will be stated on each component of the system If you are not sure what the system pressure will be install an ASME approved automatic Pressure Relief or Pressure Regulator in the circulation system for the lowest working pressure of any of the components in the system IW Wels 8 This filter operates under pressure With the lock ring and lid da installed properly and operated without air in the system this filter will operate in a safe manner Air enter
17. nt of D E should be between one 1 and two 2 pounds for each 10 square feet of filter area or MODEL Pounds of D E ECDE60 15 ECDE90 3 0 6 Your filter has now started its filter cycle You should check that the water is returning to the pool and take note of the operating pressure 7 Check the system for water leaks If a leak is found shut off pump before correcting leak 8 The pressure gauge is the primary indicator of how the filter is operating Maintain your pressure gauge in good working order 9 Clean your filter when pressure reads between 8 10 psi higher than the original starting pressure Your filter pressure reading will increase as it removes dirt from your pool However this buildup of pressure will vary due to different bathing loads temperature weather conditions etc a MY ORIGINAL STARTING PRESSURE IS psi pounds per square inch I SHOULD CLEAN THE FILTER DE ELEMENT AT psi DE Element Filter Installation and User s Guide 8 LOCK RING INSTALLATION These instructions MUST BE FOLLOWED EXACTLY to prevent the lid from separating during system restart or later operation 1 Perform the following steps before working on any part of the circulating system e g lock ring pump filter valves etc a Turn the pump off and shut off any automatic controls to ensure that the system is not inadvertently started during servicing Open the air relief valve c Wait until all pressure is relieved Never att
18. of following these instructions and taking the necessary preventative care you can expect maximum efficiency and life from your filtration system DE Element Filter Installation and User s Guide 10 ACAUTION Please heed all manufacturers posted instructions warnings and cautions when using Baquacil amp or Baqua Clean CLEANING THE FILTER 1 Turn the pump off shut off any automatic controls to ensure that the system is not inadvertently started during servicing 2 Open the filter High Flow manual air relief valve and the waste drain valve or cap if your system has one NOTE Special care must be taken when cleaning the filter element used in a swimming pool or spa using Baquacil as a sanitizer Because of the way Baquacil works the filter media must be cleaned more thoroughly and more frequently than in a chlorine system If extreme care is not taken to completely remove all residue from the filter element a buildup will occur This buildup will significantly shorten the life of the filter element Baquacil is a mild coagulant which combines bacterial cells as well as other small particles contributed by the environment bathers etc into particles large enough to be trapped by the filter In comparison with all other trapped contaminants in a typical pool or spa the amount of bacterial cells that are deposited on the filter is minimal The resulting deposit is a gray sticky film which
19. properly positioned filter or valve can create an electrical hazard as well as damage property 9 Make all plumbing connections in accordance with local plumbing and building codes Filter plumbing connections are provided with an O ring seal Use only a silicone base lubricant on the O rings Do not use pipe joint compound glue or solvent on the bulkhead connections 10 The base of this filter is provided with two 2 mounting bosses for the purpose of anchoring the filter to the concrete 11 The maximum working pressure of this filter is 50 psi Never subject this filter to pressure in excess of this amount even when conducting hydrostatic pressure tests Pressures above 50 psi can cause the lid to separate which can result in severe injury death or property damage When performing hydrostatic pressure tests or when testing for external leaks of the completed filtration and plumbing system insure that the Maximum Pressure that the filtration system will be subjected to DOES NOT EXCEED THE MAXIMUM WORKING PRESSURE OF ANY OF THE COMPONENTS CONTAINED WITHIN THE SYSTEM In most cases the maximum pressure will be stated on each component of the system High Pressure Improper tank lid and lock ring assembly could cause the lid to separate and cause serious injury and or major 1 property damage pw lt If doubt exists as to the pressure to which the system will be subjected install an ASME approved automatic Pressure Re
20. r a period of time dirt will accumulate in the filter element causing a resistance to the flow of water through the filter This resistance results in a diminished flow of water and a rise in the pressure of the filter Eventually the filter element will have removed so much dirt and the filter pressure risen to such a point that it will be necessary to clean your filter DE Element Filter Installation and User s Guide 2 The filter s function is to remove suspended matter from the water It does not sanitize the water For sparkling clear water the water must be sanitized as well as balanced Pool chemistry is a specialized area and you should consult your local pool service specialist for specific details In general proper pool sanitation requires a free chlorine level of 1 to 2 PPM and a pH range of 7 2 to 7 6 Your filtration system should be designed to meet your local health codes As a minimum you must be sure that your system will turnover the total volume of water in your pool at least twice in a twenty four hour period AWARNING Failure to operate your filter system or inadequate filtration can cause poor water clarity obstructing visibility in your pool Poor water clarity may obscure objects in the water which while swimming and diving could cause serious personal injury or death Never swim in a pool with poor water clarity Section 2 Installation 1 Read and understand all instructions before attempting to in
21. stall operate or maintain your pump and DE filter system 2 Provide space and lighting for routine maintenance access Locate the system close to the pool Install electrical controls e g on off switches timers control systems etc at least five 5 feet from the filter This will allow you enough room to stand clear of the filter during system start up 3 Remove all individual components from carton and inspect for any visible damage If carton or parts are damaged contact seller or freight company WALL OR STRUCTURE 6 MINIMUM SPACE 6 MINIMUM SPACE WALL OR STRUCTURE Figure 1 DE Element Filter Installation and User s Guide A WARNING Blockage of suction fittings can cause serious or fatal injury due to drowning To reduce the risk of injury do not permit children to use this product A WARNING Never work on the pump while it is running or power is still connected High voltage can cause serious or fatal injury A suitable ground fault interrupter GFCI should always be installed at the power supply source of this unit Be sure to ground the motor before connecting to electrical AC power supply Failure to ground the motor can cause serious or fatal electrical shock hazard DO NOT ground to a gas supply pipe line 4 The filter should be mounted on a level concrete slab Position the filter so that the instructions warnings and pressure gauge are visible to the operator Also position the filter
22. ta and Replacement Parts information specific to your Filter DE Element Filter Installation and User s Guide 14 Section 4 Troubleshooting A Air entering your filter is dangerous and can cause the lid to separate Correct any conditions in your filtration system that allows air to enter the system 1 Some common ways to identify air entering the system a Low water level in pool or spa skimmer is starving for water with pump running Add water to pool or spa b Air bubbles or low water level in pump hair and lint pot are caused by low water level clogged skimmer basket split suction cleaner hose leak in pump hair and lint pot lid or leak in pump suction line c Air bubbles coming out of water return lines into pool or spa with pump running see items 1 a and 1 b of this section d Airis discharged from the air relief valve on top of the filter when the valve is opened with the pump running see items 1 a and 1 b of this section above B Until the water initially put into the pool has been completely filtered short filter cycles in between cleanings are normal In most cases pool owners are dismayed by the undesirable color and appearance of water in a newly filled pool Plaster dust can be responsible for short filter cycles requiring frequent cleaning C If pressure drops on gauge check skimmer basket and pump basket first for debris If the baskets are clean shut off power to pump and turn off any automatic
23. tom of the filter and is distributed evenly across the DE filter element The dirt is removed by the element and the clean water flows through the outlet port at the bottom of the tank The clean water is then returned to the pool through the piping or hoses This filter operates under high pressure When any part of the circulating system e g clamp pump filter valves etc is serviced air can enter the system and become pressurized Pressurized air can cause the lid or lock ring to separate which may result in serious injury death or property damage To avoid this potential hazard follow these instructions 1 Before the assembly disassembly or adjustment of the lid or lock ring or any other service of the circulating system a Turn the pump off and shut off any automatic controls to ensure the system is not inadvertently started during the servicing b Open manual air relief valve c Wait until all pressure is relieved pressure gauge must read zero 0 2 Whenever installing the filter lock ring follow the filter lid and lock ring installation instructions exactly 3 Once service on the circulating system is complete follow system restart instructions exactly 4 Maintain circulation system properly Replace worn or damaged parts immediately e g lock ring pressure gauge relief valve o rings etc 5 Be sure that the filter is properly mounted and positioned according to instructions provided Afte
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