Pentair EQ SERIES User's Manual
Contents
1. 16 35 8 FLANGE 19 00 21 5 11 62 8 H Y 83 ALL DIMENSIONS ARE IN INCHES EQ Series Pump Installation and User s Guide NOTES Pentair Pool Products Because reliability matters most P N 350061 1 24 062. 16 Section 8 Replacement Parts erii prier ria eh E Ee REN ER TRE Y ARE YT RGE 17 Section 9 Pump Technical 18 Pump Curves 18 Engineering Specifications e 19 Dimensional 20 EQ Series Pump Installation and User s Guide IMPORTANT SAFETY PRECAUTIONS Important Notice This guide provides installation and operation instructions for the EQ Series Pump Consult Pentair Water with any questions regarding this equipment Attention Installer This guide 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 after installation or left on or near the pump Attention User This manual contains important information that will help you in operating and maintaining this pump Please retain it for future reference WARNING Before installing this product read and follow all warning notices and instructions which are included Failure to follow safety warnings and instructions can result in severe injury death or property damage Call 800 831 7133 for additional free copies of these instructions Consumer Information and Safety The EQ Series pumps are designed and manufactured to provide many years of safe and
3. Dimensional Data 500 MOUNTING HOLES 3 50 DIMB DIMA 14 0 MAX _ 16 35 0 8 X 5 8 11 X 1 DP FOR 6 STD FLANGE DIM C 08 1 5 94 FASTENERS AND O RING ARE INCLUDED WITH PENTAIR POOL PRODUCTS EQ 6 X 6 STRAINER TO CONNECT STRAINER DIRECTLY TO EQ SERIES PUMP IF PUMP IS TO BE INSTALLED WITHOUT STRAINER MAKE BOTH CONNECTIONS PER NOTE 1 USE ANSI CLASS 150 PLASTIC FLANGE AND 1 8 THICK CLASS 150 FULL FLANGE GASKET TO MAKE CONNECTION THIS DIAMETER FITS INSIDE 6 SCH 40 PIPE DO NOT USE SCH 80 PIPE AS FINAL PIPE SIZE WHEN MAKING THIS FLANGE CONNECTION 500 MOUNTING HOLES See SECTION 9 PUMP TECHNICAL DATA Engineering Specifications on page 19 for pump dimensions FASTENERS AND O RING ARE INCLUDED WITH PENTAIR POOL PRODUCTS EQ 6 X 6 STRAINER TO CONNECT STRAINER DIRECTLY TO EQ SERIES PUMP IF PUMP IS TO BE INSTALLED WITHOUT STRAINER MAKE BOTH CONNECTIONS PER NOTE 1 USE ANSI CLASS 150 PLASTIC FLANGE AND 1 8 THICK CLASS 150 FULL FLANGE GASKET TO MAKE CONNECTION r DIM D DIM B
4. Pentair 001 Products Because reliability matters most EQ SERIES High Performance Commercial Pump Installation and User s Guide IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS Customer Service If you have questions about ordering Pentair replacement parts and pool products please use the following contact information Customer Service 8 A M to 5 P M Eastern and Pacific Times Phone 800 831 7133 Fax 800 284 4151 Technical Support Sanford North Carolina 8 A M to 5 P M Eastern Time Phone 919 566 8000 Fax 919 566 8920 Moorpark California 8 A M to 5 P M Pacific Time Phone 805 553 5000 Ext 6312 Fax 805 553 5515 Web site visit www pentairpool com to find information about Pentair products 2005 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 CA 93021 805 553 5000 Trademarks and Disclaimers The Pentair Pool Products logo and EQ Series are registered trademarks of Pentair Water Pool and Spa Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Pentair Water Pool and Spa Inc disclaims any proprietary interest in trademarks and trade names other than its own P N 350061 Rev E
5. amps phase HP and code Most pump models may be field connected so that they can operate on two different voltage circuits Use extreme care in reviewing the motor wiring diagrams and always verify the voltage ofthe electrical supply circuit 3 Carefully review the electrical supply circuit to ensure that it is adequate to meet the pump requirements identified on the motor nameplate An electrical code letter is identified on the motor nameplate that identifies the load characteristics of the motor EQ Series Pump Installation and User s Guide Electrical Requirements and Field Wiring cont d CAUTION Some single phase pumps may contain an internal thermal protector designed to temporarily stop the pump if the motor exceeds a preset temperature The pump will automatically restart when the motor temperature falls to a preset limit Always disconnect power before working on the pump to eliminate the possibility that the pump could start unexpectedly Three phase pumps do not contain an internal thermal protector and must be externally protected by an appropriately sized protective device commonly referred to as a starter Improper sizing of the starter can result in the motor being destroyed or in frequent tripping of the starter 4 Itisimportant that all portions ofthe electrical circuit including the conductors that connect the electrical panel to the pump motor are properly sized based on the nameplate information on the pump 5
6. 1 24 06 Table of Contents Important Aurelio qr i Section 1 Introduction siccccsccsicsstscececctescecacsexdececcsvedscavecucsdacsdicensdeveassseesecedsoueseecuueeseseensecese 1 EQ Series Pump 1 General 2 Section 2 Installati n mT 3 Installing the EQ Series 3 Mechanical Installation Ennn nennen 3 Pressure Testing 5 Section 3 Electrical Requirements 7 Electrical Requirements and Field Wiring 7 Section 4 Initial Operation of Pump 9 Priming the EO Series neues 9 Section 5 Maintenant eissi enii dea aaan ea aeaa 11 Cleaning the Strainer 11 Preventative 12 Section 6 Servicing M 13 SS cp 14 ASSEM DIINO D S 15 Section 7 Troubleshooting A EOD
7. 16 oection 7 Troubleshooting Use the following troubleshooting information to resolve possible problems with your EQ Series pump WARNING RISK OF ELECTRICAL SHOCK OR ELECTROCUTION Improperly installation will 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 1 If you are familiar with your pool filtering system and or heater sj Do NOT attempt to adjust or service without consulting your dealer or a qualified pool technician b Read the entire Installation amp User s Guide before attempting to use service or adjust the pool filtering system or heater Note Turn off power to unit prior to attempting service or repair Problems and Corrective Actions Problem Corrective Action Pump Will Not Prime No water in Strainer Pot Lid is not tight Damaged lid O Ring Water level below Skimmer Strainer or Skimmer Basket clogged Closed Valve in Piping System Air leak in Suction Line Pump installed more than 10 ft above Water Level or otherwise too high for Hydraulic Conditions of Pool Plumbing System Pump Shaft rotating in wrong direction Low Flow High Filter Pressure Filter is dirty Restriction in Filter Line Low Flow LowFilter Pressure Strainer or Skimmer Basket clogged Clogged Impeller Air leak in Suction Line Restriction in Suction Line Cavitation NPSHA less than NP
8. EQW 500 EQW 300 0 o o N 1 NI QV3H SINVNAG 79101 0 H31VM 40 14 NI QV3H 1VLOL LLLLLELLLDLLL LLLI al 2 H31VM 40 59313 30 EQ Series Pump Installation and User s Guide 19 Engineering Specifications we ETE TESESESXES 14 340026 PUVPEQABOO 1PH6 x 4 115 230 38 19 13 18 16 340027 PJVP EQWQ0 3PHG x4 17 340028 PUMP EMBO 1PH6 x4 340030 PUMP ESOO 1PH6 x4 PUMP E0500 3PH6 x 4 m zs 75 2 wr 245 183 10 208230480 224327 8 251 13 1393 mme ome umen er m T m Toe a purmmmrsunr ef are m mens Fw 75 mens m ns 0 190080 mast 1895 RAPEXG SHERLP Ri GNE 75 19090 999 29 1893 135 This value may vary slightly depending upon motor manufacturer and motor design type SAVE THESE INSTRUCTIONS EQ Series Pump Installation and User s Guide 20
9. may beto ensure thatthe piping system with its many bonded joints is leak free Piping systems typically have a higher pressure capability than the other system components such as the pump or filter Do not pressure test the pump unless the code specifically requires this 2 Verify that each component in the system is designed to meet the local code test pressure Most components should be marked with a maximum operating pressure If a component is not marked consult the Owner s Instructions that came with the component or consult the manufacturer 3 Verify that the pressure test will be conducted within the operating temperature listed on the components that make up the circulation system If no maximum operating temperature is listed then it may be necessary to review the owner s manual or contact the manufacturer for this information It is common practice for plastic components to be pressure rated at 72 degrees F and then derated for temperatures greater than this 4 Use only ahigh quality pressure gage that is certified to be accurate for the pressure for which the test is going to be conducted Do notrely the pressure gage included with the filtration system as it may not be sufficiently accurate to conduct a pressure test for the system Please note that the pressure in the system will vary depending on where the pressure is taken due to the weight of the water 5 Ensure that all air will be evacuated from the system when the water pre
10. pump with performance like this for pool and water applications EQ Series Pump Patent Pending EQ Series Pump Installation and User s Guide General Features EQ Series Energy Efficient and Quiet Designed in every detail for maximum efficiency The only non corrosive all plastic pump designed exclusively for the commercial pool and water applica tions market The EQ impeller features an exclusive design that provides true breakthrough performance Lower load due to efficient impeller design means longer motor life Cam and Ramp lid design with clear lid for added convenience in servicing Additional Features Closed coupled for quiet stable flow operation Lightweight 6 suction and 4 discharge with strainer pot Closed impeller for longer motor life Heat resistant seal operates at up to 150 Fahrenheit Bolt on strainer pot Easy one man installation Self priming pump NSF Listed Models available for water feature applications EQ Series Pump Installation and User s Guide Section 2 Installation The following general information describes how to install the EQ Series pump Note Before installing this product read and follow all warning notices and instructions starting on page ii Installing the EQ Series Pump Only a qualified service person should install the EQ Series pump Mechanical Installation and Pressure Testing Mechanical Installation Carefully remove the pump unit and strain
11. remove or tighten bolts when the system is pressurized These actions can result in a separation or failure of system components This instantaneous release of energy can cause components to be accelerated to high velocities and to travel distances of 100 feet or more These components could cause severe personal injury or death if they were to strike a person It is normal for the test pressure to drift down slightly during the first few minutes as the circulation system expands under pressure Ifthe system pressure continues to fall then bleed offthe remaining water pressure in the circulation system and inspect the system for leaks Look for water on the floor and feel around joints for moisture Ensure the system is not under pressure before attempting any system adjustments or repairs Repeat the pressurization sequence once the system leaks have been corrected EQ Series Pump Installation and User s Guide Section 3 Electrical Requirements This section describes how to secure and wire the EQ pump Electrical Requirements and Field Wiring NOTE Do not install the pump motor within 5 feet of the inside walls of the pool wall unless the pump bears the UL listing mark UL listed pumps may be installed within 5 feet of the inside walls of a swimming pool spa or hot tub only if a solid copper bonding conductor not smaller than No 8 AWG is connected from a bonding lug wire connector on the motor to all metal parts of the swimming pool
12. to be installed without a strainer pot plumbing suction inlets must prevent debris larger than in diameter from being drawn into the pump Pumps installed with the specially designed strainer pot assembly are self priming at heights up to 10 feet depending on the specific installation EQ Series Pump Installation and User s Guide Section 1 Introduction EQ Series High Performance Commercial Pump Overview The EQ Series pumps deliver extraordinary performance in every key aspect They re built to last of course and are also built to be incredibly efficient quiet lightweight and corrosion resistant All ofthis adds up to a pump that is highly cost effective and suited for a wide range of commercial water applications Atthe heart ofthe EQ s extraordinary performance 1 its unique impeller design It provides two significant benefits First it means more efficient performance the EQ pump moves more water more quickly than comparable pumps And secondly it means the pump s motor doesn t have to work as hard and as a result runs cooler and lasts considerably longer What s more the Pentair EQ pump has been through a rigorous design development and testing program so you know it s built to handle the toughest commercial applications for years to come Available in single and three phase 50 and 60 Hz models the EQ sets the new standard for performance in pumps No one else in the industry has made a plastic injection molded
13. Following the National Electrical Code and any local electrical codes connect the grounding conductor and electrical supply conductors to the motor Ensure that the pump is properly grounded per the above codes utilizing the grounding screw identified in the terminal box of the pump motor 6 Itwill be necessary to confirm that the rotation ofthe motor is in the correct direction on all three phase pump units and on certain single phase pump units Check wiring diagram to determine if motor can be field wired to rotate in both directions Checking rotation by energizing the pump for one second and then watching the rotation through the back ofthe motor as it coasts to a stop Ensure that the rotation matches the direction arrow on the pump Operating a pump with the incorrect rotation can cause many problems including poor priming diminished water flow excessive noise overloading of the motor and premature failure of the pump CAUTION Always fill the pump with water before energizing the pump motor Operating the pump without water can damage the pump seal within a few seconds EQ Series Pump Installation and User s Guide oection 4 Initial Operation of Pump This section describes how to prime the EQ pump WARNING Do not operate the pump until you have read and understand clearly all the operating instructions and warning messages for all equipment that is a part of the pool circulating system The following instructions are intend
14. Q Series Pump Installation and User s Guide 15 Assembly 1 Ensure that the two 6 2 in long screws 11 with washers 12 are properly inserted into the bottom of the motor adaptor 7 before attaching the motor adaptor 7 to the new motor 1 2 Properly orient the motor adaptor 7 to the motor 1 and secure in place using the four screws 10 and washers 8 9 3 Insert the two dowel pins 26 into the motor adaptor 7 Install the stationary ring ofthe mechanical seal 14 into the seal plate bore Ensure that it is fully inserted into the bore with the white surface facing you CAUTION The mechanical seal is a highly engineered component that must be carefully handled The contact faces are manufactured to extremely precise tolerances These faces must be free of all surface dust and debris Always wash your hands before handling the mechanical seal Avoid touching the contact faces except for when pressing the seal ring into the bore Lubricate the rubber portion with a slight amount of soapy water if required to insert it into the bore Do not use silicone or other lubricants as this can contaminate the seal face Rinse the seal face if required after assembly to free it of any dirt or debris 5 Properly orient the seal plate 13 slip it onto the two dowel pins 26 and secure to the motor adaptor 7 by tapping it toward the motor adaptor 7 until there is no clearance between the two parts 6 Slip the spring portio
15. SHR Pump Shaft rotating in wrong direction Motor Does Not Turn Power Switch is off Circuit Breaker has tripped Thermal Protector has tripped Pump is in OFF mode of Timer Motor Shaft is locked by bad Bearing Impeller is jammed Motor Over Heating Electrical Supply Connections are incorrect Wiring to Pump is undersized Inadequate Voltage supplied to Site Ventilation is inadequate for Motor Voltage differential between legs of 3 Phase Circuit gt 5 Pump Shaft rotating in wrong direction High Pitch OR Growling Noise Air Leak in Suction Line coming from WET END of Pump Cavitation NPSHA less than NPSHR A Valve Elbow or Tee is located too close to the Suction Inlet of the Pump Pump Shaft rotating in wrong direction EQ Series Pump Installation and User s Guide 17 Section 8 Illustrated Parts A Motor Shaft Key comes w Motor Item 1 Parts 1 357071 Motor 15 HP 3 Phase EQ1500 60 Hz 1 357070 Motor 10 HP 3 Phase EQ1000 60 Hz 1 357069 Motor 7 3 Phase EQ750 60 Hz 1 357066 Motor 72 HP 1 Phase EQ750 60 Hz 1 357068 Motor 5 HP 3 Phase EQ500 60 Hz 1 357065 Motor 5 HP 1 Phase EQ500 60 Hz 1 357067 Motor 3 HP 3 Phase EQW300 60 Hz 1 357064 Motor 3 HP 1 Phase EQW300 60 Hz 1 350158 Motor 5 HP 3 Phase EQW500 60 Hz 1 350159 Motor 5 HP 1 Phase EQW500 60 Hz 1 350112 Motor Expln PF 10 HP 3 Phase EQK1000 50 Hz 1 350113 Motor Expln PF 772 HP 3 Pha
16. adequately supported pipe can cause excessive loads to be transmitted to the pump resulting in a structural failure of the pump that could result in flooding and property damage EQ Series Pump Installation and User s Guide Pressure Testing Certain local codes require that the circulation system be pressure tested with a proof pressure before being commissioned into service or before allowing construction to progress to the next stage WARNING Improperly pressure testing a circulation system can involve significant risk of property damage severe personal injury or death Circulation systems store energy when pressure tested due to the elastic nature of the materials used in construction and due to the compressibility of air that may be contained in the system The instructions below should be considered a guide only Each installation should be considered a unique situation that should be carefully investigated for risk WARNING Never test this equipment with air pressure even if specified by the local code Even low levels of air pressure result in tremendous storage of energy that can instantaneously be released if a system failure occurs This instantaneous release of energy can cause failed components to be accelerated to high velocities and to travel distances of 100 feet or more These components could cause severe personal injury or death if they were to strike a person 1 Understandthe local code The intent ofthe code
17. ed as a guide for initially operating the pump in a general pool installation however each installation may have unique conditions where the starting procedure could be different Failure to follow all operating instructions and warning messages can result in property damage or severe personal injury or death Relieve any pressure that may be trapped in the circulation system 2 Openallairrelief devices on any equipment in the system 3 Openthe appropriate valves on the suction and discharge plumbing If the pump is installed below the water level of the pool water will flow into the pump If the pump is installed above the water level it will be necessary to fill the strainer pot with water up to the suction pipe connection A WARNING The strainer pot may be at a pressure that is higher or lower than the atmospheric pressure Always open the drain plug on the strainer pot and allow for the pressure to equalize before removing the locking ring Attempting to remove the locking ring before the pressure is equalized may result in a rapid exchange of pressure This instantaneous release of energy can cause components to be accelerated to high velocities and to travel distances of 100 feet or more These components could cause severe personal injury or death if they were to strike a person 4 Stand clear of all equipment and energize the pump 5 The pump will experience a temporary unstable condition as water and air flow through the pump Duri
18. er pot assembly if included from its shipping package 2 Thepump will perform best when the suction and return head losses Total Dynamic Head TDH ofthe pool system have been carefully determined and the correct pump model selected to fit these requirements pump should be selected to operate near the center of its Performance Curve with as high an efficiency as possible Itis also important that the Net Positive Suction Head Available be greater than the Net Positive Suction Head Required NPSHR at the design flow rate 3 Ifit is not possible to determine accurate suction and discharge head losses Total Dynamic Head TDH conservative plumbing practices should be strictly adhered to This would include installing the pump as close to the pool as possible and at approximately the same level as the pool water level See page iv General Installation Information regarding whena strainer pot assembly is required Use large diameter pipe especially on the suction line to keep flow velocities at or below 6 feet per second fps Flow velocities in the return plumbing should not exceed 10 fps Also keep elbows and tees to a minimum Installations where the pump is going to be installed more that 10 feet below or 5 feet above the pool water level must be evaluated by an experienced professional to ensure that the pump will function correctly 4 Asolidflatfoundation should be provided to support the pump The area should be well dra
19. he diffuser screws 20 are fully tightened 11 Lubricate the diffuser O Ring 21 and the larger seal plate O Ring 28 with silicone lubricant or Murphy Oil Soap This will allow the O Rings to slip into place without getting pinched Ensure that the big seal plate O Ring 28 is properly seated on the large diameter of the seal plate 13 12 Carefully slip the motor end assembly into the housing 22 pushing it forward as far as possible until the large seal plate O Ring 28 comes into contact with the housing 22 Insert the four 6 in long screws 11 through the housing 22 and secure the assembly in place using the washers 12 and nuts 23 Gradually tighten each of the four screws a few turns in a crossing pattern to ensure that the motor assembly is properly centered to the housing Do not over tighten these screws CAUTION Failure to follow the above assembly procedures could cause the impeller to bind once the pump is fully assembled It is possible to remove the strainer basket reach through the strainer pot and spin the impeller to verify that it will rotate freely A bound impeller may cause the motor to not start or cause the motor to draw excessive amps 13 Secure the motor 1 to the motor supports 2 14 Reconnect the ground and supply conductors 15 Readandfollow the instructions under Section4 Initial Operation of Pump before putting the pump back into service EQ Series Pump Installation and User s Guide
20. ined so that the pump motor will not be flooded under any circumstances Ensure that adequate space and lighting around the pump is provided for routine maintenance activities NOTE Do not install the pump motor within 5 feet of the inside walls of the pool wall unless the pump bears the UL listing mark UL listed pumps may be installed within 5 feet ofthe inside walls of a swimming pool spa or hot tub only if a solid copper bonding conductor not smaller than No 8 AWG is connected from a bonding lug wire connector on the motor to all metal parts ofthe swimming pool spa or hottub structure and to all electrical equipment metal conduit and metal piping within 5 feet of the inside walls of the swimming pool spa or hot tub 5 Itis good practice for most installations to install a valve on both the suction and return line so that the pump can be isolated for routine maintenance However a valve elbow or tee installed in the suction line should be no closer to the front of the pump than 5 times the suction line pipe diameter i e 6 in pipe requires a 30 in straight run in front ofthe suction inlet ofthe pump EQ Series Pump Installation and User s Guide Mechanical Installation cont d 6 Assemble the strainer pot assembly if included to the pump Be sure to install the O Ring included with the strainer pot assembly over the protruding plastic ring on the front of the pump housing before mounting the strainer pot Properly posit
21. ing noisy 4 Observe the temperature of the motor The motor is designed to carry the pump load without building up excessive heat An increase in normal operating temperatures may indicate a potential problem A thermocouple placed at the motor ventilation discharge opening may be used to monitor motor temperature It normally takes about 1 hour for the motor temperature to stabilize See Section 7 Troubleshooting Record any flow and pressure readings on the circulation system meters and gages See Section 7 Troubleshooting Record supply voltage and amps Supply voltage can change throughout the day depending on other electrical loads in the area Changes in supply voltage will affect the amp draw and water output of the pump Inspect the floor around the pump to ensure there are no indications of leaks Address leaks immediately A mechanical seal leak is indicated by water dripping between the motor and the motor adaptor A mechanical seal leak can result in a failed motor bearing Inspect the exterior pump components for any sign ofa structural failure Most structural failures will start with a hairline crack that originates from a corner where two different shapes intersect Verify that the support brackets or hangars for the suction and discharge piping are continuing to fully support the weight of the piping EQ Series Pump Installation and User s Guide 13 Section 6 Servicing WARNING Risk of electrical shock e
22. ion the strainer pot to the housing and secure in place using the 8 large flange bolts and washers included with the strainer pot assembly These bolts should not be over tightened as this could damage the pump Proper technique is to lightly snug each bolt with a wrench A squealing sound during tightening of the bolts indicates that the bolts are being excessively tightened 7 Placethepump inits final location and ensure that the mating flanges of the suction and discharge piping are in line and parallel to the flanges on the pump Resolve any problems with misalignment before bolting the flanges to the pump 8 The pump may be secured to bolts buried in the concrete by using the holes on the outside of the motor supports 70 DURO NITRILE OR EPDM 1 8 THICK GASKET Figure 1 5 8 ID X 1 5 16 MIN OD FLAT WASHER P N 356766 HEX HEAD CAP SCREW 5 8 11 X 3 1 4 LG P N 356789 P N 356788 HEX NUT 5 8 11 6 ANSI CLASS 150 FLANGE 5 8 ID X 1 5 16 MIN OD FLAT WASHER INCLUDED WITH STRAINER POT SUCTION CONNECTION WITH STRAINER POT Figure 2 70 DURO NITRILE OR EPDM 1 8 THICK GASKET 5 8 ID X 1 5 16 MIN OD FLAT WASHER HEX HEAD CAP SCREW 5 8 11 X 2 1 4 LG SUCTION CONNECTION WITHOUT STRAINER POT 6 ANSI CLASS 150 FLANGE 9 Ensure that the flange gasket is properly positioned between the suction flange of the pump and the flange of the suction piping Use only high quality rubber full diame
23. l function appropriately with the pump under a wide variety of operating conditions If you choose to use another replacement motor it is important that the frame type the HP the service factor the voltage the phase and the motor speed match exactly to that listed on the original motor Slight differences in these parameters can cause the motor to not fit the pump correctly or cause the motor to fail prematurely EQ Series Pump Installation and User s Guide 14 Disassembly 1 Ensure the electric supply circuit is disconnected and is properly tagged and locked out 2 Disconnect the supply conductors and the ground conductor from the motor 1 if the motor is being replaced Close any valves required to prevent flooding when the pump is disassembled Review the parts breakdown in Section 8 to understand how the pump components are assembled together Remove the pump housing 22 drain plug 24 and allow the pump to completely drain Remove the four 5 8 in hex nuts 23 that secure the motor end assembly to the front housing 22 pU SIE Wes gt Ifthe motor support 2 is bolted to a permanent surface it will be necessary to remove the screws 6 that are securing the motor to the motor support 2 to allow for removal of the motor end assembly 8 Grasp the motor end assembly and pull backwards It may be necessary to wiggle the motor assembly from side to side to break free the O Ring seals inside the pump 9 Pull the mo
24. lectrocution This pool pump must be installed by a licensed or certified electrician or a qualified pool serviceman in accordance with the National Electrical Code and applicable local codes and S ordinances Improper installation will 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 Always disconnect power to the pool pump at the circuit breaker before servicing the pump Ensure that the disconnected circuit is locked out or properly tagged so that it cannot be switched on while you are working on the pump Failure to do so could result in death or serious injury to serviceman pool users or others due to electric shock Read all servicing instructions before working on the pump The pump is designed to allow for quick servicing ofany moving parts without disturbing the plumbing connections The pump can be serviced with the common tools that are in nearly every service persons toolbox The following sequential instructions are for a complete disassembly in order to replace a failed motor The same instructions may be used to perform a partial disassembly to replace any internal component but following all steps will not be required CAUTION It is recommended that you replace the motor with the Pentair replacement motor as identified in Section 8 This motor has been thoroughly tested to ensure that it wil
25. n Information WARNING Pumps improperly sized or installed or used in applications other than for which the pump was intended can result in severe personal injury or death These risks may include but not be limited to electric shock fire flooding suction entrapment or severe injury or property damage caused by a structural failure of the pump or other system component WARNING The pump can produce high levels of suction within the suction side of the plumbing system These high levels of suction can pose a risk if a person comes within the close proximity of the suction openings A person can be seriously injured by this high level of vacuum or may become trapped and drown It is absolutely critical that the suction plumbing be installed in accordance y with the latest national and local codes for swimming pools e These instructions contain information for a variety of pump models and therefore some instructions may not apply to a specific model All models are intended for use in swimming pool applications The pump will function correctly only if it is properly sized to the specific application and properly installed The pump is available with or without a specially designed strainer pot assembly If a suction strainer pot assembly is to be provided it should comply with NSF 50 standards Pumps without the strainer pot assembly are not self priming and must be installed so that the pump is always flooded with water Ifthe pump is
26. n of the mechanical seal 14 over the motor shaft being certain that the hard black contact surface 1s facing the white surface of the stationary seal ring Use a small amount of soapy water if required to lubricate the rubber of the mechanical seal 14 so that it slips easily over the shaft 7 Install the shaft key Ninto the shaft of the motor and then install the impeller 15 over the shaft It will be necessary to align the keyway in the impeller 15 with the key N Push the impeller 15 as far as possible onto the motor shaft 1 8 Install the socket head screw 16 with washers 4 5 to secure the impeller 15 It is important that the screw 16 be tightened securely and that the impeller 15 is fully seated 9 Apply a light film of silicone grease to the inside diameter of the brass bushing inside the diffuser 17 This film willassistin properly centering the diffuser bushing to the impeller 15 and will reduce the friction should the parts contact during motor start up DO NOT USE ANY OTHER TYPES OF LUBRICANTS 10 Install the diffuser 17 over the impeller 15 and secure with the four screws 20 but only hand tight The diffuser 17 has clearance around the four screws 20 that will allow adjustment ofthe fit ofthe diffuser 17 around impeller 15 nose Rotate impeller 15 by hand to ensure thatit is free to turn and slowly tighten each of the four screws 20 Verify that the impeller 15 is free to turn once t
27. nents could cause severe personal injury or death if they were to strike a person A WARNING Due to the potential risk that can be involved it is recommended that the pressure test be kept to the minimum time required by the local code Do not allow people to work around the system when the circulation system is under pressure test Post appropriate warning signs and establish a barrier around the pressurized equipment If the equipment is located in an equipment room lock the door and post a warning sign Never attempt to adjust any closures or lids or attempt to remove or tighten bolts when the system is pressurized These actions can result in a separation or failure of system components This instantaneous release of energy can cause components to be accelerated to high velocities and to travel distances of 100 feet or more These components could cause severe personal injury or death if they were to strike a person A CAUTION This pump is for use with permanently installed pools and may also be used with hot tubs and spas if so marked Do not use with storable pools A permanently installed pool is constructed in or on the ground or in a building such that it cannot be readily disassembled for storage A storable pool is constructed so that it may be readily disassembled for storage and reassembled to its original integrity EQ Series Pump Installation and User s Guide IMPORTANT SAFETY PRECAUTIONS continued General Installatio
28. ng this unstable condition the pump may be noisy and produce erratic flow If the pump is below or at water level this temporary unstable condition should last only a few seconds 6 Ifthe pump is installed above the pool water level then the pump must remove the air from the suction piping This phase ofpump operation is referred to as priming Pumps that are labeled self priming have demonstrated in atest laboratory that they can prime when installed 10 feet above the pool water level ina time not exceeding 45 minutes Exception Models EQW300 1PH and EQW300 3 PH may require up to hour and 15 minutes to prime to 10 feet Disconnect power to the pump if it does not prime within the time indicated A pump that will not prime usually indicates a system problem such as an air leak on the suction side of the pump A WARNING DO NOT open the strainer pot if pump fails to prime or if pump has been operating without water in the strainer pot Pumps operated in these circumstances may experience a build up of vapor pressure and may contain scalding hot water Opening the pump may cause serious personal injury In order to avoid personal injury make sure the strainer pot temperature has cooled to room temperature Carefully remove the drain plug on the strainer pot and allow the pressure to equalize before removing the locking ring 7 101 important that once the pump has primed and is operating in a stable manner that the voltage be measured at the pump
29. onditions where the starting procedure could be different Failure to follow all operating instructions and warning messages can result in property damage or severe personal injury or death WARNING reduce the risk of injury do not permit children to use this product unless they are closely supervised at all times EQ Series Pump Installation and User s Guide IMPORTANT SAFETY PRECAUTIONS continued WARNING Never exceed the maximum operating pressure or temperature limits of the system components Pumps installed with the EQ Strainer Pot Assembly should not be tested at a pressure that exceeds the value written on the EQ Strainer Pot See the Owner s Manual that accompanies that product for more instructions Ensure that pressures higher than those required in the pressure test cannot inadvertently be applied to the circulation system This may require the use of a pressure regulator between the water supply and the circulation system Changes in temperature or barometric pressure can cause the internal test pressure to increase or decrease over time once the system is isolated A pressure relief device should be installed that would prevent the pressure from exceeding the intended test pressure Exceeding these limits could result in a component failing under pressure This instantaneous release of energy can cause failed components to be accelerated to high velocities and to travel distances of 100 feet or more These compo
30. ould prevent the pressure from exceeding the intended test pressure Exceeding these limits could result in a component failing under pressure This instantaneous release of energy can cause failed components to be accelerated to high velocities and to travel distances of 100 feet or more These components could cause severe personal injury or death if they were to strike a person Slowly apply the water pressure and allow the water to flow out all ofthe openings intended for air to escape Close the openings beginning at the lowest level first and progressing to the highest level Do not close any opening until you are sure that air is completely out of that part of the system Allow the pressure to slowly build once all ofthe air openings are closed Close the valve between the water supply and circulation system to isolate the system from the supply pressure Monitor the system pressure for a few minutes to ensure that it is stabilized WARNING Due to the potential risk that can be involved it is recommended that the pressure test be kept to the 10 11 12 13 minimum time required by the local code Do not allow people to work around the system when the circulation system is under pressure test Post appropriate warning signs and establish a barrier around the pressurized equipment If the equipment is located in an equipment room lock the door and post a warning sign Never attempt to adjust any closures or lids or attempt to
31. p components Cleaners may contain chemicals that could damage or weaken pump components causing them to fail and allowing an instantaneous release of energy This instantaneous release of energy can cause components to be accelerated to high velocities and to travel distances of 100 feet or more These components could cause severe personal injury or death if they were to strike a person EQ Series Pump Installation and User s Guide 12 Preventative Maintenance It may be possible to extend the life ofthe pump and to prevent a pump down situation by implementing a preventative maintenance program This may be done by periodically performing a list of activities and recording certain information to be able to spot potential problems before they become serious It is recommended that these activities be performed after the filter cleaning procedure so that the information will be taken from the same baseline each time or part ofthe following activities could provide the foundation for a preventative maintenance program 1 Recordthetimeittakes for the pump to prime and come toa stable operating condition Increased priming times can indicate a problem See Section 7 Troubleshooting 2 Observe the sound coming from the pump housing substantial change in sound from inside the pump is a clue that something in the circulation system has changed 3 Observe the sound coming from the motor Motor bearings rarely fail without first becom
32. peller Assy EQ750 Impeller Assy EQ1000 Impeller Assy EQW300 EQ1500 Impeller Assy EQW500 Screw 3 8 16 x 1 Sckt Hd Cap 18 8 s s Diffuser EQ500 Diffuser EQ750 EQ1000 Diffuser EQW300 EQ1500 Diffuser EQW500 Washer Flat 1 4 300 s s qty 4 Washer Split Lock 1 4 18 8 s s qty 4 Screw 1 4 20 x 172 Hx Cap 18 8 s s EQ500 EQ750 EQ1000 qty 4 Screw 1 4 20 x 1 74 Hx Hd Cap 18 8 s s EQW300 EQ1500 qty 4 O ring Diffuser 3 16 x 4 7 8 Housing EQ Series Nut 5 8 11 Hx Brass qty 4 Drain Plug O ring Drain Plug Pin Dowel 5 16 x 1 18 8 s s qty 2 Label Directional Arrow O ring Seal Plate 3 8 x 11 dia Strainer Pot Complete EQ 6 x 6 EQ Series Pump Installation and User s Guide Section 9 Pump Technical Data Pump Curves 18 09 15 05 EQK1000 50HZ_ EQK750 50HZ EQK750 50HZ N EQK500 50HZ CIT FLOW RATE IN U S GPM Era EQ SERIES CUBIC METERS PER HOUR FLOW RATE IN U S GPM CUBIC METERS PER HOUR SERIES EQK300 50HZ PENTAIR POOL PRODUCTS INC 60HZ PUMP PERFORMANCE CURVES PENTAIR POOL PRODUCTS INC 50HZ PUMP PERFORMANCE CURVES
33. reliable service when installed operated and maintained according to the information in this manual and the installation codes referred to in later sections Throughout the manual safety warnings and cautions are identified by the 4A symbol Be sure to read and comply with all of the warnings and cautions A DANGER Risk of electrical shock or electrocution This pool pump must be installed by a licensed or certified electrician or a qualified pool serviceman in accordance with the National Electrical Code and all applicable local codes and ordinances Improper installation will 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 Always disconnect power to the pool pump at the circuit breaker before servicing the pump Ensure that the disconnected circuit is locked out or properly tagged so that it cannot be switched on while you are working on the pump Failure to do so could result in serious injury or death to serviceman pool users or others due to electric shock A WARNING not operate the pump until you have read and understand clearly all the operating instructions and warning messages for all equipment that is a part of the pool circulating system The following instructions are intended as a guide for initially operating the pump in a general pool installation however each installation may have unique c
34. se EQK1000 50 Hz 1 350153 Motor 10 HP 3 Phase EQK1000 50 Hz 1 350154 Motor 7 HP Phase EQK750 50 Hz 1 350155 Motor 5 HP 3 Phase EQK500 50 Hz 1 350156 Motor 3 HP 3 Phase EQK300 50 Hz 2 356713 Support Motor qty 2 3 356712 Support Adapter Motor EQW300 EQ500 EQ750 3PH aty 2 4 072184 Washer Flat 3 8 ID x 7 8 OD 05 Thk 18 8 s s qty 5 amp qty 9 5 98220600 Washer Split Lock 3 8 18 8 s s qty 5 amp qty 9 6 A135 Screw 3 8 16 x 74 Hx Hd Cap 18 8 s s EQ750 1PH EQ1000 EQ1500 aty 4 6 350073 Screw 3 8 16 x 172 Hx Hd Cap 18 8 s s EQ300 EQ500 EQ750 3PH qty 4 7 356790 Adapter Motor EQ Series 8 075842 Washer Flat 2 ID x 14 OD 125 Thk 300 s s qty 4 9 350063 Washer Split Lock 1 2 18 8 s s qty 4 10 354290 Screw 3 8 16 x 1 Hx Hd Cap 18 8 s s EQ300 EQ500 EQ750 3PH 4 4 5 Qty is only used on models EQ750 1PH EQ1000 EQ1500 EQK750 and EQK1000 075843 356710 356789 356795 071725 350030 350029 350028 350027 350070 071037 350032 350033 356735 357273 51008500 072172 350035 356797 350037 356755 356776 154699 192115 350060 350072 356780 340013 Screw 1 2 13 x 174 Hx Hd Cap 18 8 5 5 EQ750 1PH EQ1000 EQ1500 qty 4 Screw 5 8 11 x 6 Hx Hd Cap 18 8 s s qty 4 Washer Flat 11 16 ID x 1 5 16 OD 078 Thk 300 s s aty 8 Seal Plate EQ Series Seal Set Impeller Assy EQ500 Im
35. spa or hot tub structure and to all electrical equipment metal conduit and metal piping within 5 feet of the inside walls of the swimming pool spa or hot tub A CAUTION This pump is for use with permanently installed pools and may also be used with hot tubs and spas if so marked Do not use with storable pools A permanently installed pool is constructed in or on the ground or in a building such that it cannot be readily disassembled for storage A storable pool is constructed so that it may be readily disassembled for storage and reassembled to its original integrity A WARNING Risk of electrical shock or electrocution This pool pump must be installed by a licensed or electrician or a qualified pool serviceman in accordance with the National Electrical Code and all applicable local codes and ordinances K Improper installation will 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 Always disconnect power to the pool pump at the circuit breaker before servicing the pump Failure to do so could result in death or serious injury to serviceman pool users or others due to electric shock 1 Ensure that the electrical service is disconnected properly tagged and locked out before working on the pump 2 Carefully review the motor label Take note ofthe important nameplate information such as volts
36. ssure is applied to the system This will require that all air bleeders on any equipment are open It also may be necessary to remove some lids or covers on system equipment such as the pump strainer lid to prevent air from being trapped in the system In addition there may be other areas of the circulation system where air may be trapped Do not connect water pressure to the system until you are certain that air will be totally evacuated 6 Determine the appropriate location in the system to apply the test water pressure Consider the place in the system that will best ensure that all air will be displaced when water is introduced EQ Series Pump Installation and User s Guide Pressure Testing cont d WARNING Never exceed the maximum operating pressure or temperature limits of the system components 9 Pumps installed with the EQ Strainer Pot Assembly should not be tested at a pressure that exceeds the value written on the EQ Strainer Pot See the Owner s Manual that accompanies that product for more instructions Ensure that pressures higher than those required in the pressure test cannot inadvertently be applied to the circulation system This may require the use of a pressure regulator between the water supply and the circulation system Changes in temperature or barometric pressure can cause the internal test pressure to increase or decrease over time once the system is isolated A pressure relief device should be installed that w
37. ter flange gaskets with holes for the bolts to pass through It may be necessary to hold the gasket in place with either silicone or two or three drops of a cyanoacrylate super glue material Do not use any other grease or glue as they may contain chemicals that could attack the plastic material Install the flange bolts hand tight on the suction side of the pump A CAUTION On installations where the pump is installed without a strainer pot use only 6 in Schedule 40 PVC pipe when making the final flange connection Do NOT use Schedule 80 Pipe as this can cause interference with the pump housing A CAUTION Use large diameter flat washers between the hex nut and the pump flanges to properly distribute the clamping forces on the flange Tighten the flanges to 20 ft lb unless otherwise specified by the flange manufacturer If it is not possible to use a torque wrench then care should be taken not to over tighten the flange bolts Failure to follow the above instructions can result in damaging the pump flange 10 Properly insert the flange gasket on the discharge port of the pump Install the flange bolts hand tight on the discharge flange connection 11 Inspect both the suction and flange connection to ensure alignment remains acceptable Take any corrective action before tightening the flange bolts to the required torque A CAUTION Suction and discharge piping must be supported by an appropriate system of supports or hangers In
38. the pressure is equalized may result in a rapid exchange of pressure This instantaneous release of energy can cause components to be accelerated to high velocities and to travel distances of 100 feet or more These components could cause severe personal injury or death if they were to strike a person WARNING If the pump has been energized for a period greater than 45 minutes without water flowing through the pump for any reason the water in the strainer pot may be hot Attempting to remove the locking ring without removing the drain plug in the pot and allowing the pressure to equalize may result in the hot water rapidly escaping and causing severe personal injury 5 Open the drain plug in the strainer pot and allow the pressure to completely stabilize 6 Remove the locking ring and the clear lid from the strainer pot 7 Remove basket and dispose of debris Use a water hose and soft brush to remove debris blocking the openings in the basket if required 8 Replace the basket making sure it is properly oriented 9 Replace the lid by aligning the four tabs with the tabs on the strainer pot and making sure the O ring is clean and is properly located in the groove of the lid 10 Secure the lid in place by tightening the locking ring hand tight only Do not over tighten the locking ring as that will make removal difficult A WARNING It is recommended that only water and a soft cloth be used to clean the lid and other pum
39. tor end assembly free of the housing 22 so that there is adequate access to the internal components If desired the supply conductors can be disconnected and the motor end assembly can be taken to a workbench for easier service 10 Remove the four screws 20 with washers 18 19 that secure the diffuser 17 to the seal plate 13 11 Hold the impeller 15 nose and remove the screw 16 and washers 4 5 that secure the impeller 15 12 The impeller 15 is also secured to the shaft by a parallel key The impeller 15 can be freed from the shaft and key by grasping the outside ofthe impeller 15 and pulling the impeller 15 away from the motor 1 It is good practice to inspect impeller 15 to ensure that the vane passageways are open and that no vanes have been substantially broken or worn 13 Removing the impeller 15 will expose the two pieces ofthe mechanical seal 14 It will not be necessary to further disassemble the pump if only a seal replacement is required 14 Thesealplate 13 is attached to the motor adaptor 7 by two dowel pins 26 The seal plate 13 can be freed from these dowel pins 26 by grasping the outside ofthe seal plate 13 and pulling way from the motor wiggling it from side to side if required 15 Remove the four screws 10 with washers 8 9 that secure the motor adaptor 7 to the motor 1 These components could cause severe personal injury or death if they were to strike a person E
40. when first put into service If the electrical supply circuit is inadequate a voltage drop may occur when the pump is operating under load The pump will operate most efficiently when operated at the nameplate voltage Operating the pump at more than 10 above or below the voltage listed on the nameplate could result in the pump not operating properly and may damage the pump motor EQ Series Pump Installation and User s Guide 10 EQ Series Pump Installation and User s Guide 11 Section 5 Maintenance Cleaning of the Strainer Basket 1 Thepumpis designedto be maintenance free with the exception ofrequiring a periodic cleaning ofthe strainer basket 2 Aroutine inspection should be done by visually looking through strainer lid for debris while the pump is in operation The strainer basket should be cleaned when approximately 25 blocked Allowing the strainer basket to become excessively blocked will diminish water flow reduce pump efficiency cause cavitation and may damage the basket or other pump components 3 Disconnect power to the pump before cleaning the basket 4 Close isolation valves on the suction and discharge lines if necessary to prevent flooding WARNING The strainer pot may be at a pressure that is higher or lower than the atmospheric pressure Always open the drain plug on the strainer pot and allow for the pressure to equalize before removing the locking ring Attempting to remove the locking ring before
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