SQ, SQE - Grundfos
Contents
1. SS sewesw Fig 8 Fitting the cable guard to the pump suction strainer TMO2 9613 3504 TMO1 4427 0299 9 Piping The pump should only be gripped by the two flats at the top of the pump see fig 9 The pump can be installed vertically or horizontally During operation the pump must always be com pletely submerged in water When plastic pipe is used a stainless steel safety wire is recommended for lowering and lifting the pump Fasten the wire to the eyelet on the pump see fig 10 The threaded joints must be well cut and fit to gether tightly to ensure that they do not work loose gt TMO2 8739 0804 Fig 9 Gripping the pump 10 Installing the pump 5 Whenthe pump has been installed to the required depth the installation should be finished by 10 1 Installation depth means of a well seal f Note that the dynamic water level should always The dynamic water level should always be above the be above the pump Cus pump see fig 10 A 3 6 Loosen the safety wire so that it becomes un A Dynamic water level loaded and lock it to the well seal using a cable B Static water level clamp C Minimum 3 inch well diameter 7 Complete the electrical connections D Drawdown Note The pump must never be connected to a capaci E Installation depth below static water level tor or to another type of control box than CU 300 or Maximum 500 feet CU 301 Installation depths Maximum instal2. environment regulations dealing with the handling of hazardous materials must be observed When the pump is taken out of operation it must be ensured that no hazardous ma terial is left in the pump and in the riser pipe which can be injurious to persons and the environment 17 Disposal Disposal of this product or parts of it must be carried out according to the following guidelines 1 Use the local public or private waste collection ser vice 2 If such waste collection service does not exist or cannot handle the materials used in the product please deliver the product or any hazardous mate rials from it to your nearest Grundfos company or service center 13 18 Technical data Supply voltage 1x 90 120 V 10 6 50 60 Hz PE 1x 200 240 V 10 6 50 60 Hz PE Operation via generator Recommended generator output must be equal to P1 kW 50 and minimum P1 10 Starting current The motor starting current is equal to the highest value stated on the motor nameplate Starting Soft starting Run up time Maximum 2 seconds Motor protection The motor is protected against dry running overvolt age undervoltage overload and overtemperature Power factor PF 1 Service factor 0 5 hp 1 85 at 115 V 230 V 0 75 hp 2 05 at 230 V 1 0 hp 2 25 at 230 V 1 5hp 1 65 at 230 V Motor cable 3 Wire 14 AWG XLPE Length 5 feet Motor liquid Type SML 2 pH values 5to9 Liquid temper
3. Grundfos motor liquid SML 2 To refill the motor proceed as follows 1 Remove the cable guard and separate the pump end from the motor 2 Place the motor in vertical position with an incli nation of approximately 10 3 Remove the filling plug using a screwdriver or a similar tool 4 Inject motor liquid into the motor with a filling sy ringe or similar tool see fig 2 5 To allow possible air to escape move the motor from side to side and turn the shaft 6 Replace the filling plug and make sure it is tight 7 Assemble pump end and motor 8 Fitthe cable guard The pump is now ready for installation 2 y TMO2 9606 3504 Fig 2 Injecting motor liquid us 3 Installation positions 3 1 Positional requirements The pump is suitable for vertical as well as horizontal installation however the pump shaft must never fall below the horizontal plane see fig 3 If the pump is to be installed horizontally e g in a tank and there is a risk that the pump might be cov ered by mud it must be installed in a flow sleeve Allowed A Kot allowed TMO1 1375 4397 Fig 3 Pump position 4 Electrical connection 4 1 General The electrical connection should be carried out by an authorized electrician in accordance with local regula tions Before starting work on the pump
4. and clean or replace the valves as partly closed blocked necessary c The discharge pipe is partly choked Clean or replace the discharge pipe by impurities iron bacteria d The check valve of the pump is Pull the pump and clean or replace the blocked valve e The pump and the riser pipe are Pull the pump Check and clean or replace partly choked by impurities the pump if necessary Clean the pipes iron bacteria f The pump is defective Repair or replace the pump g Hole in discharge pipe Check and repair the piping h The riser pipe is defective Replace the riser pipe i Undervoltage has occurred Check the electricity supply 4 Frequent starts a The differential of the pressure Increase the differential However the stop 12 and stops switch between the start and stop pressures is too small pressure must not exceed the operating pressure of the pressure tank and the start pressure should be high enough to ensure sufficient water supply b The water level electrodes or level switches in the reservoir have not been installed correctly Adjust the intervals of the electrodes level switches to ensure suitable time between the cutting in and cutting out of the pump See installation and operating instructions for the automatic devices used If the intervals between start stop cannot be changed via the automatics the pump capacity may be reduced by throttling the discharge valve The check val
5. make sure that the electricity supply has been switched off and that it cannot be acciden tally switched on The pump must be grounded The pump must be connected to an exter nal mains switch The supply voltage rated maximum current and power factor PF appear on the motor nameplate The required voltage for Grundfos submersible MS 3 MSE 3 motors measured at the motor termi nals is 10 6 of the nominal voltage during con tinuous operation including variation in the supply voltage and losses in cables If the pump is connected to an installation where a Ground Fault circuit breaker GFI is used as additional protection this circuit breaker must trip out when ground fault currents with DC content pulsating DC occur Note The pump must never be connected to a capaci tor or to another type of control box than CU 300 or CU 301 Note The pump must never be connected to an exter nal frequency converter Supply voltage 1x 90 120 V or 1 x 200 240 V 10 6 50 60 Hz The current consumption can only be measured accu rately by means of a true RMS instrument If other in struments are used the value measured will differ from the actual value The SQE pumps can be connected to a CU 300 or CU 301 control box 4 2 Motor protection The motor has built in automatic thermal overload protection and requires no additional motor protec tion 4 3 Connection of motor The motor can be connected directly to th
6. 04 F 40 C If the pump is to be installed horizontally e g in a tank and there is a risk that the pump might be cov ered by mud it must be installed in a flow sleeve 2 5 Liquid temperatures cooling Figure 1 shows an SQ SQE pump installed in a well With the pump operating figure 1 illustrates the fol lowing Well diameter Pump diameter Temperature of pumped liquid Flow past the motor to the pump suction strainer Note The well diameter must be at least 3 inches If there is a risk that the motor will be covered with sediment it is recommended the pump be placed in a flow sleeve The motor should always be installed above the well screen J Iel 1 Well t diameter Pas Pump diameter Liquid temperature TMO1 0518 1297 Fig 1 Pump installed in well 2 6 Motor preparation Grundfos MS 3 and MSE 3 submersible motors have water lubricated slide bearings No additional lubrica tion is required The submersible motors are factory filled with a spe cial Grundfos motor liquid type SML 2 which will pro tect the motor liquid down to 4 F 20 C and prevent the growth of bacteria The level of motor liquid is im portant for the operating life of the bearings and con sequently the life of the motor 2 7 Refilling of motor liquid If for any reason the motor liquid has been drained or lost the motor must be refilled with
7. 6026030 39 U S A Canada Mexico GRUNDFOS Pumps Corporation GRUNDFOS Canada Inc Bombas GRUNDFOS de Mexico 17100 West 118th Terrace 2941 Brighton Road S A de CV Olathe Kansas 66061 Oakville Ontario Boulevard TLC No 15 Phone 1 913 227 3400 L6H 6C9 Parque Industrial Stiva Telefax 1 913 227 3500 Phone 1 905 829 9533 Aeropuerto Telefax 41 905 829 9512 Apodaca N L 66600 Mexico Phone 52 81 8144 4000 Telefax 52 81 8144 4010 Addresses revised 18 04 2002 Being responsible is our foundation BE THINK INNOVATE gt Thinking ahead makes it possible Innovation is the essence L SP TL 017 R 5 06 US PRINTED IN USA www grundfos com GRUNDFOS 2
8. All MSE 3 motors are factory set to detect dry running conditions However if the maximum pump speed setting is changed the dry running stop value must also be changed Please refer to either the CU 301 or CU 300 I amp O for instructions on this proce dure 12 8 Maintenance and service The pumps are normally maintenance free Deposits and wear may occur For that purpose ser vice kits and service tools are available from Grundfos The Grundfos Service Manual is available on request The pumps can be serviced at a Grundfos service cen ter 13 Assembly of pump and motor To assemble pump end and motor proceed as fol lows 1 Place the motor horizontally in a vice and tighten it see fig 12 2 Pull the pump shaft out to the position shown in fig 11 Y TMO2 8425 5203 Fig 11 Pump shaft position 3 Grease the motor shaft end with the grease sup plied with the motor 4 Screw the pump end on the motor 55 Nm Note The pump shaft must engage with the mo tor shaft A spanner may be used on the clamping faces of the pump end see fig 12 5 Fitthe cable guard as described in section 8 Use pump vice here d ae 6 14 TMO1 2854 3804 Fig 12 Pump in vice 0 5hp L 4 7 0 75 hp L 4 0 1 0hp L 2 6 1 5hp L 2 6 When pump end and motor have been assembled cor r
9. GRUNDFOS INSTRUCTIONS SO SOE US Installation and operating instructions xil c UL Dus LISTED UM BE THINK gt INNOVATE gt GRUNDFOS 21 LIMITED WARRANTY Products manufactured by GRUNDFOS PUMPS CORPORATION Grundfos are warranted to the original user only to be free of defects in material and workmanship for a period of 24 months from date of installation but not more than 30 months from date of manu facture Grundfos liability under this warranty shall be limited to repairing or replacing at Grundfos option without charge F O B Grundfos factory or authorized service station any product of Grundfos manufacture Grundfos will not be liable for any costs of removal installation transportation or any other charges which may arise in connec tion with a warranty claim Products which are sold but not manufactured by Grundfos are subject to the warranty provided by the manufacturer of said products and not by Grundfos warranty Grundfos will not be liable for damage or wear to products caused by abnormal operating conditions accident abuse misuse unauthorized alteration or repair or if the product was not installed in accordance with Grundfos printed installa tion and operating instructions To obtain service under this warranty the defective product must be returned to the distributor or dealer of Grundfos products from which it was purchased together with proof of purchase and install
10. ation date failure date and supporting installation data Unless otherwise provided the distributor or dealer will contact Grundfos or an autho rized service station for instructions Any defective product to be returned to Grundfos or a service station must be sent freight prepaid documentation supporting the warranty claim and or a Return Material Authorization must be included if so instructed GRUNDFOS WILL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES LOSSES OR EXPENSES ARISING FROM INSTALLATION USE OR ANY OTHER CAUSES THERE ARE NO EXPRESS OR IMPLIED WARRANTIES INCLUDING MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WHICH EXTEND BEYOND THOSE WARRANTIES DESCRIBED OR REFERRED TO ABOVE Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages and some jurisdictions do not allow limit actions on how long implied warran ties may last Therefore the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to jurisdiction SQ SOE Installation and Page 4 us operating instructions CONTENTS A General description Applications Preinstallation Well preparation Make sure you have the right pump Pumped liquid requirements Motor cooling requirements Liquid temperatures cooling Motor preparation Refilling of motor liquid Installation positions Positional
11. ature The temperature of the pumped liquid must not ex ceed 104 F Note If liquids with a viscosity higher than that of water are to be pumped please contact Grundfos Discharge port 5 SQ SQE 1 NPT 10 15 SQ SQE 1 NPT 22 30 SQ SQE 1 NPT Storage conditions Minimum ambient temperature 4 F Maximum ambient temperature 140 F Freeze protection Note The motor must not be stored without being filled with motor liquid If the pump has to be stored after use it must be stored on a frost free location or it must be ensured that the motor liquid is frost proof Operating conditions Minimum ambient liquid temperature 32 F Maximum ambient liquid temperature 104 F 14 Motor dimensions MS 3 and MSE 3 0 5 hp 20 9 length x 2 68 diameter 0 75 hp 20 9 length x 2 68 diameter 1 0 hp 22 3 length x 2 68 diameter 1 5 hp 22 3 length x 2 68 diameter Motor weights MS 3 and MSE 3 0 5 hp 6 0 Ibs 0 75 hp 7 1 Ibs 1 0 hp 8 2 lbs 1 5 hp 8 2 Ibs Pump end dimensions Pump diameter 2 68 Pump diameter incl cable guard 2 91 Pump end dimensions min and max 5SQ SQE 10 6 to 18 0 10 SQ SQE 10 6 to 14 8 15 SQ SQE 10 6 to 16 9 22 SQ SQE 10 6 to 16 9 30 SO SOE 10 6 to 13 7 Pump end weights min and max All SQ SQE models 2 2 Ibs to 3 5 Ibs Well diameter Minimum 3 Installation depth Maximum 500 feet below static water level Subject to alteration
12. d and bailed or blown free of cuttings and sand The construction of the Grundfos SQ SQE submersi bles makes them resistant to abrasion however no pump made of any material can forever withstand the destructive wear that occurs when constantly pump ing sandy water If this pump is used to replace an oil filled submers ible or oil lubricated line shaft turbine in an existing well the well must be blown or bailed clear of oil 2 2 Make sure you have the right pump Determine the maximum depth of the well and the drawdown level at the maximum pump capacity Pump selection and setting depth should be made based on this data 2 3 Pumped liquid requirements Submersible well pumps are designed for pumping clear cold water free of air or gases Decreased pump performance and life expectancy can occur if the wa ter is not clear cold or contains air or gases The water temperature should not exceed 104 F A check should be made to ensure that the installa tion depth of the pump will always be at least three feet below the maximum drawdown level of the well The bottom of the motor should never be installed lower than the top of the well screen or within five feet of the well bottom 2 4 Motor cooling requirements To ensure proper motor cooling refer to the table be low for minimum flow requirements Maximum liquid temperature Flow velocity past the motor 0 0 f s J free convection 86 F 30 C Min 0 5 f s 1
13. e main cir cuit breaker Start stop of the pump will typically be done via a pressure switch see fig 4 Note The pressure switch must be rated for the maxi mum amps of the specific pump Reduced risk of electric shock during opera tion of this pump requires the provision of acceptable grounding If the means of con nection to the supply connected box is otherthan grounded metal conduit ground the pump back to the service by connecting a copper conductor at least the size of the circuit supplying the pump Single phase 2 wire wiring diagram for Grundfos motors Quick disconnection o tet Pressure switch Black f Black Green st Pump and motor Q gt o 5 a 60 9 ToT or TM 2 2 Ya ER BARR BARR B 5 Ne Ge9 LOL PAN OO EE e E Ri E Fig 4 Wiring diagram Note The pump must never be connected to a capaci tor or to another type of control box than CU 300 or CU 301 5 Cable sizing Single phase 60 Hz maximum cable length motor service to entrance Motor rating Copper wire size Volts hp 14 12 10 8 6 4 2 0 00 115 0 5 65 100 160 260 410 660 1050 1680 230 0 5 300 480 760 1210 1930 3060 4870 230 0 75 190 300 470 750 1190 1890 3010 4800 230 1 0 140 220 350 560 890 1420 2260 3600 4540 230 1 5 130 210 330 520 830 1320 2110 3360 4230 6 Splicing the cable Splice the drop cable with the moto
14. ectly there must be no clearance between pump end and motor To disassemble reverse Drocedure 11 us 14 Troubleshooting Fault Cause Remedy 1 The pump does not run a The fuses are blown Replace the blown fuses If the new fuses blow too check the electrical installation and the drop cable Z The GFI circuit breaker has tripped Reset the circuit breaker No electricity supply Contact the electricity provider amp The motor protection has cut off the electricity supply due to overload Check for motor pump blockage e The drop cable is defective Repair or replace the pump cable f Overvoltage has occurred Check the electricity supply 2 Thepumprunsbut a The discharge valve is closed Open the valve gives no water b No water or too low water level in Increase the installation depth of the pump well throttle the pump or replace it with a smaller capacity model c The check valve is stuck in its closed Pull the pump and clean or replace the position valve d The suction strainer is closed Pull the pump and clean the strainer e The pump is defective Repair or replace the pump 3 The pumprunsat a The drawdown is larger than Increase the installation depth of the pump reduced capacity anticipated throttle the pump or replace it with a smaller capacity model b The valves in the discharge pipe are Check
15. inimum of four passes over each joint and overlap each pass approximately one inch to ensure a completely watertight seal Note Do not lower or lift the pump using the motor cable 7 Fitting the cable plug to the motor The cable plug supplied with the motor is factory greased Check that the plug is greased correctly see fig 5 gt Fig 5 Greasing of plug To fit the cable plug proceed as follows TMO2 9604 3504 1 Check that the cable is of the correct type cross section and length 2 Check that the mains on the location has correct connection to ground 3 Check that the motor socket is clean and dry 4 Press the cable plug onto the motor socket The plug will only fit one way see fig 6 5 Fit and tighten the four screws see fig 6 When the plug has been fitted there must not be a clearance between the motor and the cable plug Fig 6 Fitting the cable plug TMO2 9605 3504 8 Fitting the cable guard To fit the cable guard proceed as follows oF guard Place the cable guard in the groove in the cable Make sure that the motor lead lies flat in the cable plug The two flaps must engage with the upper edge of the pump sleeve see fig 7 Fig 7 Placing the cable guard 3 Fasten the cable guard to the pump suction strainer with the two self tapping screws sup plied see fig 8 Su
16. lation depth 500 feet below the static water level Minimum installation depth 1 75 feet below the dynamic water level B Vertical installation During start up and operation the pump must always be completely submerged in water Horizontal installation TI Iu D The pump must be installed at least 1 75 feet below ju the dynamic water level If there is a risk that the pump might be covered by mud the pump must always be placed in a flow sleeve Note Do not lower or lift the pump using the motor cable E 11 Generator operation It is safe to operate the SO SOE with a generator t E The generator must be sized 50 above the P1 input S power values of the pump See the following table 1 4 5 Motor Min Recommended C generator size generator output Busca fa hp w w Fig 10 Installation depth 0 5 1200 1500 0 75 1900 2500 Procedure To install the pump proceed as follows 1 0 2600 3200 1 Attach the enclosed data plate sticker at the well 15 2800 3500 head 2 Checkthe well for proper clearance The well must be at least 3 inches in diameter It is a good idea to check the well for clearance using a plumb ring 2 95 o x 10 in 3 Attach the first section of riser pipe to the pump 4 Lowerthe pump into the well Make sure the mo tor cable is not damaged when the pump is lifted or lowered into the well especially in 3 inch wells Note Do n
17. might be that the pump is pumping more water than the well can yield The pump must immediately be stopped and the fault corrected Note The pump s dry running protection is effective only within the recommended duty range of the pump Note Do not let the pump run against a closed dis charge valve for more than 5 minutes When the dis charge valve is closed there is no cooling flow and there is a risk of overheating in motor and pump 12 4 Built in protection The motor incorporates an electronic unit which pro tects the motor in various situations In case of overload the built in overload protection will stop the pump for 5 minutes After that period the pump will attempt to restart Ifthe pump has been stopped as a result of dry run ning it will start automatically after 5 minutes Ifthe pump is restarted and the well has not recov ered the pump will stop after 30 seconds 10 12 5 Resetting the pump Switch off the electricity supply for 1 minute The motor is protected against the following condi tions dryrunning voltage surges up to 6000 V In areas with high lightning intensity external lightning protection is required overvoltage undervoltage overload overtemperature 12 6 MS 3 motors Note All MS 3 motors are factory set to detect dry running conditions Check that the combination of pump and motor corre sponds to the data on page 39 12 7 MSE 3 motors Note
18. ot lower or lift the pump using the mo tor cable 12 Starting the pump forthe first time When the pump has been connected correctly the pump should be started with the discharge valve closed approximately one third Due to the soft start feature the pump takes approxi mately 2 seconds to develop full pressure 12 1 Motor cooling and other considerations Make sure the well is capable of yielding a mini mum quantity of water corresponding to the pump capacity Donotstart the pump until it is completely sub merged in the liquid Asthe valve is being opened the drawdown should be checked to ensure that the pump always re mains submerged Toensure the necessary cooling of the motor the pump should never be set so low that it gives no water If the flow rate suddenly falls the reason might be that the pump is pumping more water than the well can yield The pump must immediately be stopped and the fault corrected 12 2 Impurities in the water If there are impurities in the water the valve should be opened gradually as the water becomes clearer The pump should not be stopped until the water is clean otherwise the pump parts and the check valve may become clogged When the water is clean the valve should be fully opened 12 3 Minimum flow rate To ensure the necessary cooling of the motor the pump flow rate should never be set to a value lower than 0 2 gpm If the flow rate suddenly falls the reason
19. r cable If the splice is carefully made it will be as efficient as any other portion of the cable and will be completely watertight There are a number of cable splicing kits available to day epoxy filled rubber sealed etc Many perform well if the manufacturer s directions are followed carefully If one of these kits is not used we recom mend the following method for splicing the motor cable to the drop cable 1 Examine the motor cable and the drop cable care fully for damage 2 Cutthe motor leads off in a staggered manner 3 Cutthe ends of the drop cable so that the ends match up with the motor leads Be sure to match the colors 4 Strip back and strip off one inch of insulation from each lead making sure to scrape the wire bare to obtain a good connection Be careful not to damage the copper conductor when stripping off the insulation 5 Insert a properly sized Sta Kon type connector on each pair of leads again making sure that col ors are matched Using Sta Kon crimping pliers indent the lugs Be sure to squeeze down hard on the pliers partic ularly when using large cable 6 Forma piece of electrical putty tightly around each Sta Kon The putty should overlap on the insulation of the wire 7 Use a good quality tape such as 33 Scotch Water proof or Plymouth Rubber Company Slipknot Grey Wrap each wire and joint tightly for a distance of about 2 inches on each side of the joint Make a m
20. requirements Electrical connection General Motor protection Connection of motor Cable sizing Splicing the cable Fitting the cable plug to the motor Fitting the cable guard Piping Installing the pump Installation depth Generator operation Starting the pump for the first time Motor cooling and other considerations Impurities in the water Minimum flow rate Built in protection Resetting the pump MS 3 motors MSE 3 motors Maintenance and service Assembly of pump and motor Troubleshooting Instruments not allowed Checking of motor and cable Environment Disposal Technical data oa m OO WON NN AAAA OO nun HH Before beginning installation procedures cepted codes of good practice these installation and operating instruc tions should be studied carefully The in stallation and operation should also be in accordance with local regulations and ac 1 General description The SQ SQE is a 3 inch diameter submersible pump mainly designed for the pumping of raw water in do mestic water supply This manual is designed to assist in the proper set up installation and operation of these pumps 1 1 Applications Typical applications are residential housing small waterworks pressure boosting irrigation systems liquid transfer in tanks 2 Preinstallation 2 1 Well preparation If the pump is to be installed in a new well the well should be fully develope
21. s Pump models Power P5 Voltage Flow range Pump type hp V gpm Min well dia Disch 5SQ SQE 90 0 5 230 115 1 5 7 5 3 1 NPT 5SQ SQE 140 0 5 230 115 1 5 7 5 3 1 NPT 5SQ SQE 180 0 5 230 115 1 5 7 5 3 1 NPT 5SQ SQE 230 0 75 230 1 5 7 5 3 1 NPT 5SQ SQE 270 0 75 230 1 5 7 5 3 1 NPT 5SQ SQE 320 0 75 230 1 5 7 5 3 1 NPT 5SQ SQE 360 1 0 230 1 5 7 5 3 1 NPT 5SQ SQE 410 1 0 230 1 5 7 5 3 1 NPT 5SQ SQE 450 15 230 1 5 7 5 3 1 NPT 10SQ SQE 110 0 5 230 115 3 15 3 1 NPT 10SQ SQE 160 0 5 230 115 3 15 3 1 NPT 10SQ SQE 200 0 75 230 3 15 3 1 NPT 10SQ SQE 240 0 75 230 3 15 3 1 NPT 10SQ SQE 290 1 0 230 3 15 3 1 NPT 10SQ SQE 330 15 230 3 15 3 1 NPT 15SQ SQE 70 0 5 230 115 4 20 3 1 NPT 15SQ SQE 110 0 5 230 115 4 20 3 1 NPT 15SQ SQE 150 0 75 230 4 20 35 1 NPT 15SQ SQE 180 0 75 230 4 20 3 1 NPT 15SQ SQE 220 1 0 230 4 20 3 1 NPT 15SQ SQE 250 1 0 230 4 20 3 1 NPT 15SQ SQE 290 15 230 4 20 3 1 NPT 22SQ SQE 40 0 5 230 115 7 33 3 1 NPT 22SQ SQE 80 0 5 230 115 7 33 ES 1 NPT 22SQ SQE 120 0 75 230 7 33 3 1 NPT 22SQ SQE 160 1 0 230 7 33 3 1 NPT 22SQ SQE 190 1 0 230 7 33 3 1 NPT 22SQ SQE 220 15 230 7 33 3 1 NPT 30SQ SQE 40 0 5 230 115 8 42 3 1 NPT 30SQ SQE 90 0 75 230 8 42 3 1 NPT 30SQ SQE 130 1 0 230 8 42 3 1 NPT Accessories Product Part number CU 300 96422776 CU 301 96436754 Flow sleeve 96037505 Grease 96037562 Flow switch 96022967 Pressure transmitter 9
22. ve is leaking or stuck half open Pull the pump and clean or replace the check valve 2 The supply voltage is unstable Check the electricity supply 4e The motor temperature is too high Check the water temperature 14 1 Instruments not allowed Note The use ofthe following instruments is not al lowed during troubleshooting Insulation Resistance High voltage test test test AAA Fig 13 Instruments not allowed TMO1 2072 1098 Note When measuring use RMS instruments 15 Checking of motor and cable 1 Supply voltage Measure the voltage L1 RMS The voltage should when the motor is between phase and L2 loaded be within the range specified in sec Connect the voltmeter to the tion 4 Electrical connection terminals at the connections Large variations in supply voltage indicate poor electricity supply and the pump should be stopped until the problem has been cor rected N gt o 2 Measure the current RMS If the current exceeds the full load current while the pump is operating at there are the following possible faults a constant discharge head Poor connection in the leads possibly in if possible at the capacity the cable joint a eee ie motoris most Too low supply voltage see item 1 2 heavily loaded pp y votlage For maximum current see mo gt tor nameplate o Z 16 Environment During handling operation storage and transport all
Download Pdf Manuals
Related Search