GRUNDFOS INSTRUCTIONSSP Installation and operating instructions Declaration of conformity Declaration of conformity EC declaration of conformity We, Grundfos, declare under our sole responsibility that the products SP, to which this declaration relates, are in conformity with these Council directives on the approximation of the laws of the EC member states: — Machinery Directive (2006/42/EC). Standard used: EN 809:1998 + A1:2009. — Low Voltage Directive (2006/95/EC). Applicable when the rated power is lower than 1.5 kW. Standards used: 60335-2-41:2003 + A1:2004 + A2:2010, except sections 25.1 and 25.8. — Ecodesign Directive (2009/125/EC). Water pumps: Commission Regulation No 547/2012. Applies only to water pumps marked with the minimum efficiency index MEI. See the pump nameplate. Bare shaft pump We, Grundfos, declare under our sole responsibility that the products SP, to which this declaration relates, are in conformity with these Council directives on the approximation of the laws of the EC member states: — Machinery Directive (2006/42/EC). Standard used: EN 809:1998 + A1:2009. — Ecodesign Directive (2009/125/EC). Water pumps: Commission Regulation No 547/2012. Applies only to water pumps marked with the minimum efficiency index MEI. See the pump nameplate. Before the pump is taken into operation, the complete machinery into which the pump is to be incorporated must be declared in accordance with all relevant regulations. Bjerringbro, 15th September 2012 Jan Strandgaard Technical Director Grundfos Holding A/S Poul Due Jensens Vej 7 8850 Bjerringbro, Denmark Person authorised to compile technical file and empowered to sign the EC declaration of conformity. 2 Maintenance and service 14 The pump should not be exposed to direct sunlight. note that the motor data may differ from 2. 11. 7. the rotating parts of the motor must 8.2 Motor protection 8 7. Introduction These instructions apply to Grundfos submersible pumps. Checking motor and cable 16 adequately supported. Applications If these instructions are not observed. 5. 5.1 Fitting the motor to the pump.English (GB) Installation and operating instructions English (GB) Original installation and operating instructions. Warning Prior to installation. Start-up and operation 14 Caution has been stored for more than one year before 8.1 Delivery 5. See section 5. types Grundfos MS/MMS or Page Franklin 4"-8".7 Connection of three-phase motors 10 7. it may lead Grundfos SP submersible pumps are designed for a wide range to electric shock with consequent risk of serious of water supply and liquid transfer applications.2 Storage 7. 4. dry and well ventilated 7. Electrical connection 7 When the pump part and motor are supplied as separate units 6. During storage.5 Pipe connection 7 6. Note and ensure safe operation. 1. CONTENTS type SP. or the motor liquid must be frost-proof.1 Delivery 3 The USB stick supplied with the product contains 3. frost-free location. 6.1 Checking the motor liquid 4 3. The pump can be installed Notes or instructions that make the job easier horizontally or vertically. Preparations before installation 4 5.4 Riser pipe 13 Motor: -20 °C to +70 °C.3 Lightning protection 9 The extra nameplate supplied with the pump 6. Symbols used in this document 3 If the pump is fitted with a motor of another motor make than Grundfos MS or MMS. supply of fresh water to private homes or waterworks. 6. Delivery and storage 3 3.6 Cable clips 13 room.2.5 Maximum installation depth below water level [m] 13 The motors must be stored in a closed. such as the personal injury or death. water If these safety instructions are not observed. If the pump has to be stored after use.2 Positional requirements 6 The pump should remain in the packing until it is 5. Introduction 3 the data stated in these instructions. 1. Symbols used in this document Fig. 7.2 Storage 3 Note installation and operating instructions in various 4. 6. Installation 12 3.1 Fitting the motor to the pump 12 Storage temperature 7.3 Pump/motor diameter 6 Caution placed in vertical position during installation. the shaft must be 7.2 Removing and fitting the cable guard 12 7. Delivery and storage 5. Installation and operation must comply with local regulations and accepted codes of good practice.3 Connecting the submersible drop cable 13 Pump: -20 °C to +60 °C. Warning 4. Disposal 16 pump. it must be stored on a it may result in personal injury. 1.2 Operation 14 be dismantled and checked before use. and various industrial jobs.7 Lowering the pump 13 If MMS motors are stored.1 Frequency converter operation 8 (long pumps).1 Pumped liquids 4 4.1 Frost protection If these safety instructions are not observed.6 Connection of single-phase motors 9 shocks.1 Start-up 14 installation. 3. with submersible motors.8 Installation depth 13 turned by hand at least once a month. 3 . If a motor 8. read these installation and TM00 1349 2495 operating instructions. 9. or vertically to prevent misalignment of the 12.2 Sound pressure level 4 3. 2. Fault finding 15 If the pump has been unpacked.5 Control of single-phase MS 402 motors 9 The pump should not be exposed to unnecessary impact and 6. 10. supply in horticulture and agriculture.4 Cable sizing 9 Note should be fixed at the installation site. drawdown of groundwater Caution it may result in malfunction or damage to the and pressure boosting.2 Positional requirements. equipment. Make sure that the pump cannot roll or fall over.4 Liquid temperatures/cooling 6 Handle the pump with care. fit the motor to the pump as described in section 6. 7. The pump must be installed so that the suction interconnector is completely submerged in the liquid. 1 Pump position during storage Warning 3. Applications 3 languages. the pump can be supported as shown in fig. it should be stored horizontally. 3.1 Checking the motor liquid The motors are factory-filled with a special non-poisonous liquid which is frost-proof down to -20 °C. 3. special Grundfos TM03 8129 0507 liquid must be used to refill the motor. temperatures/cooling.MS 4000 and MS 402 SP 30 < 70 5.1. See fig.1 Grundfos MS 4000 and MS 402 motors English (GB) Clean. Inject liquid into the motor with the filling syringe.0 Nm. thin. SP 77 < 70 • When pumps are delivered direct from Grundfos. the level has SP 95 < 70 already been checked. Remove the screw from the filling hole. and increase the risk of blocking. The filling hole for motor liquid is placed in the following positions: The maximum sand content of the water must not exceed • MS 4000: in the top of the motor. SP N. Use clean water. • MS 4000: 3. Inject liquid into the motor with the filling syringe. designed for liquids with higher aggressiveness than drinking Torques water. Sound pressure level of pumps The values apply to pumps submerged in water. Caution Otherwise clean water may be used for refilling (however. SP A R.0 Nm. Replace the screw in the filling hole and tighten securely The pump versions SP A N. When pumping liquids with a density higher than Caution that of water. 2. 4. 4. Pump type LpA [dB(A)] SP 1A < 70 SP 2A < 70 SP 3A < 70 TM00 6423 0606 SP 5A < 70 SP 8A < 70 SP 14A < 70 SP 17 < 70 Fig. Preparations before installation The submersible pump is now ready for installation. without external regulating valve. Sound pressure level of motors 2.MS6 and MS 6000 4 .1 Pumped liquids 5. Warning Before starting work on the product. see fig. 3. switch off the power supply. 3.2 Grundfos MS6 and MS 6000 motors SP 46 < 70 • If the motor is delivered from stock. 2. before changing the position of the pump. 4. See fig. SP 125 79 • Check the level in connection with service. 2 Motor position during filling .1. 5. SP 215 82 1. Fig. 3. pumped. 5. 45° If frost protection is required. The maximum liquid temperature appears from section 5.4 Liquid • MS 402: 2. see fig. Torque: 3. The filling screw must be at the highest point of the motor. SP 160 79 The filling hole for motor liquid is placed at the top of the motor. non-explosive liquids without solid particles or fibres. Replace the screw in the filling hole and tighten securely for these motors. If liquids with a viscosity higher than that of water are to be until the liquid runs back out of the filling hole. SP R and SPE are before changing the position of the pump.2 Sound pressure level MS 4000 MS 402 The sound pressure level has been measured in accordance with the rules laid down in the EC machinery directive 2006/42/EC. 3 Motor position during filling . The submersible pump is now ready for installation. outputs must be used. lower than 70 dB(A). 1. Remove the screw from the filling hole. motors with correspondingly higher 2. Make sure that the power supply cannot be accidentally switched on.0 Nm. Other motor makes: See installation and operating instructions 4. The filling screw must be at the highest point of the motor. The sound pressure level of Grundfos MS and MMS motors is 3. contact Grundfos. Refill liquid as described below. A larger sand content will reduce the life of the pump • MS 402: in the bottom of the motor. check the level of motor SP 60 < 70 liquid before fitting the motor to the pump. Position the submersible pump as shown in fig. 50 g/m3. never use distilled water). Check the level of motor liquid and refill if Note required. until the liquid runs back out of the filling hole. Position the submersible pump as shown in fig. 4 Franklin motors from 3 kW and up position (Franklin 4" and 6"). 6b) Franklin 6". 5.3 Grundfos MMS 6000. A 5.5.7. 6a) Franklin 4".25 . TM00 1354 5092 TM00 1353 5092 Fig. Caution Do not use motor liquid as it contains oil. If the filter is slotted. 2.1. measuring the distance from the bottom plate to the built-in rubber diaphragm. Pour tap water into the motor until the motor liquid inside the motor starts running out at A. MMS 10000 and MMS 12000 motors 6a 6b English (GB) 1.3 kW A 8 mm (fig. Place the motor at a 45 ° angle with the top of the motor upwards. 7 Position of filling valve Fig. 3. The distance can be measured by inserting a The submersible pump is now ready for installation. Refit the filter. Prise out the filter in front of the valve at the top of the motor using a screwdriver. Caution Take care not to damage the diaphragm. 4. Check the level of motor liquid in Franklin 4" and 6" motors by 5. 3 .1.5 Franklin motors.1. MMS 8000. TM03 0265 3605 2. See fig. unscrew. 45° Figure 7 shows the position of the filling valve. 6d) 5 . See fig. 5 Measuring the distance from bottom plate to diaphragm The table below shows the correct distance from the outside of the bottom plate to the diaphragm: Motor Dimension Distance Franklin 4". Fig. See fig.45 kW C1 35 mm (fig. 0.1. Remove any air in the motor by pressing the point of the filling syringe lightly against the valve. Remove the funnel and refit the plug A. 3. it may be damaged thus causing the valve to leak.22 kW C2 59 mm (fig. If the valve cone is depressed too far. 4 . 4 Motor position during filling . 7. rule or a small rod through the hole until it touches the diaphragm.MMS 4. Repeat the process of injecting liquid and releasing air until the liquid starts running out or the diaphragm is in its correct 5. lubricate the shaft seal by Caution TM00 6422 3695 adding a few drops of water and turning the shaft. Press the filling syringe against the valve and inject the liquid. The submersible pump is now ready for installation. 4 . 6 Franklin motors If the distance is not correct. Unscrew the plug A and place a funnel in the hole. Before fitting the motor to a pump after a long period of storage. Fig.5 kW B 16 mm (fig. 6c 6d 4. 6c) Franklin 6".5 Franklin motors Check the level of motor liquid in Franklin 8" motors as follows: 1. carry out an adjustment as described in section 5. 220 .2. 5. e.2.30 Franklin 30 °C 30 °C MMS 8000 22 . 8 Positional requirements MS 4000I* 0.1. The pump can for instance be built into a flow sleeve.15 m/s Flow sleeve Flow sleeve MS 6000I* recommended recommended If the pump is installed horizontally. Allowed Installation Motor Flow past Vertical Horizontal the motor Grundfos MS 402 40 °C 40 °C TM00 1355 5092 0.g. more than 10 times a day. The pump can operate at liquid temperatures between 40 °C and 60 °C (~105 °F and 140 °F) provided that all rubber parts are replaced every third year.4 Liquid temperatures/cooling English (GB) The maximum liquid temperature and the minimum flow velocity Warning past the motor appear from the table below. a flow sleeve must be installed. by installing a guard. Warning If the pump is used for pumping hot liquids (40 to 60 °C). Caution the pump must always be completely submerged in the liquid. 8.g.3 Pump/motor diameter We recommend to check the borehole with an inside calliper to ensure unobstructed passage. motor.50 m/s (~ 86 °F) (~ 86 °F) MMS 6000 3. e.15 m/s [kW] [kW] Grundfos (~ 77 °F) (~ 77 °F) MMS 30 °C 30 °C MS All All 0. around the for horizontal installation is shown in section 5. the coupling must be suitably to achieve proper motor cooling. we recommend to fit it in a flow sleeve.08 m/s 4" (~85 °F) (~85 °F) MMS 10000 75 . Grundfos 30 °C 30 °C 0.15 m/s MS 4000 (~ 105 °F) (~ 105 °F) Not allowed MS 6000 60 °C 60 °C Grundfos (~ 140 °F) (~ 140 °F) Fig. In cases where the stated flow velocity cannot be Caution Depending on motor type. the discharge port should motor. the pump can be installed either achieved.92 22 .15 m/s MS6T30 (~ 86 °F) (~ 86 °F) 5. such as sand. isolated from human touch. the suction interconnector of The maximum liquid temperature is 5 °C lower Note than the values stated in the above table.1 Maximum liquid temperature Out of consideration for the rubber parts in pump and motor. use a flow sleeve in order to ensure proper cooling of the If the pump is installed horizontally. 6 .4. make sure that persons cannot come into contact with the pump and the installation. See also the table below.92 0. 190 kW MMS 10000: The temperature is 10 °C lower. 37 kW MMS 6000. we recommend to incline the motor at least 15 ° above the horizontal plane in order to minimise wearing of the upthrust disc. never fall below the horizontal plane.170 MMS 12000 147 .30 3. 110 kW MMS 8000 and 170 kW MMS 10000: During operation. the liquid temperature must not exceed 40 °C (~105 °F).16 m/s 6" and 8" (~85 °F) (~85 °F) When Franklin 4" motors up to and including 2.170 75 .7 .0 m/s Output power Output power MS6T60 (~ 140 °F) (~ 140 °F) Motor 50 Hz 60 Hz 25 °C 25 °C 0. If the pump is to be installed in a position where it We recommend to install the motor above the well screen in order is accessible.2 Positional requirements 5. A complete list of motor types suitable If there is a risk of sediment build-up. vertically or horizontally. 5. Franklin 30 °C 30 °C 0. 5.7 .2 kW are started * At an ambient pressure of minimum 1 bar (1 MPa). in a tank.1 Motors suitable for horizontal installation Grundfos 60 °C 60 °C 1. See fig. rated maximum current and cos φ appear from the loose data plate which must be fitted close to the Fig. See fig. The required voltage quality for MS and MMS motors.5 Pipe connection English (GB) If noise may be transmitted to the building through the pipework. 9 Connection of capacitor installation site. a compression coupling should be used between the pump and the first pipe section. 3 = L3 Grey Red Warning 4 = PE Yellow/green Green The pump must be earthed. make sure that the power supply cannot be accidentally switched on.5. Warning Make sure that the plastic pipes are suitable for the actual liquid temperature and the pump pressure. 9. See section 11. If MS motors with a built-in temperature transmitter (Tempcon) Direct-on-line starting is therefore normally approved by the are not installed together with a MP 204 or similar Grundfos power supply company. When plastic pipes are used. motor protection. The motors are wound for direct-on-line starting or star-delta The pump must be connected to an external starting. is .1 second. measured at the motor terminals. 7 . Checking motor and cable. Note We recommend plastic pipes for 4" pumps only. When connecting plastic pipes. The supply voltage. the pump should be secured by an unloaded straining wire. The run-up time of the pump is only about 0. Electrical connection Warning During electrical installation. The capacitor must be connected to the two phases to which the temperature transmitter is connected. 6. we recommend to use plastic pipes. i. Check also that there is voltage symmetry in the power supply 1 = L1 Brown Black lines. 3 mm in all poles. item 2.e.47 μF capacitor approved for phase-phase operation (IEC 384-14) to meet the EC EMC directive (2004/108/EC). Warning TM00 7100 0696 The electrical installation should be carried out by an authorised person in accordance with local regulations. they must be connected to a 0.10 %/+ 6 % of the nominal voltage Colours of the leads during continuous operation (including variation in the supply Lead Flat cable Single leads voltage and losses in cables). and the starting current is between four and six times the mains switch with a minimum contact gap of rated current of the motor. same difference of voltage between the individual 2 = L2 Black Yellow phases. performance. For motors wound for star-delta starting. If an MS motor with temperature transmitter is Warning connected to a frequency converter. In connection transmitter. The highest permissible setting is the rated maximum current of the motor. require no additional motor protection. Caution transmitter will be inactive. the motor-protective circuit breaker should be set as above. During normal operating 650 V (peak value) between the supply terminals. but the maximum setting should be rated maximum current x 0. the motor warranty Caution The above disturbance can be abated by installing an RC filter will be invalidated.2.1 Single-phase motors Three-phase Grundfos motors can be connected to a frequency Single-phase MS 402 motors incorporate a thermal switch and converter. between the frequency converter and the motor. The motor should not run at a frequency higher 6. the motor-protective Possible increased acoustic noise from the motor can be abated circuit breaker should be set as follows: by installing an LC filter which will also eliminate voltage peaks 1.1 Grundfos motors 6.2 Three-phase motors than the rated frequency (50 or 60 Hz) during MS motors are available with or without a built-in temperature frequency converter operation. We recommend to protect other motors against voltage peaks higher than 850 V. 6. a fuse When the motor has been thermally switched off. incorporated in the transmitter will melt and the the motor terminals are still live. For further details.1.58.6 Frequency converter operation. or an MP 204 and contactor(s): motor is no longer ensured. • motors with a built-in and intact temperature transmitter To avoid damage to the pump part. the tripping time of the motor-protective circuit including 440 V (see motor nameplate) must be breaker must be less than 10 seconds at 5 times the rated protected against voltage peaks higher than maximum current of the motor. current of the motor. This means that the motor restart automatically. If a temperature transmitter is required.2 Motor protection English (GB) 6.3 Required settings of motor-protective circuit breaker MS 402 motors for supply voltages up to and For cold motors. it may expose the MMS motors have no built-in temperature transmitter. device can either be incorporated in a control box or be separate.1 Frequency converter operation 6. the motor must stop when the • motors without or with a defective temperature transmitter pump flow falls below 0. Slowly grade down the scale indicator until the motor trip point Grundfos. The Pt100 motor to detrimental voltage peaks. Warning 6. 6.7. contact your frequency converter supplier or 3. The highest permissible start-up time for star-delta starting or autotransformer starting is 2 seconds. In order to ensure optimum motor protection. • motors with or without a Pt100 sensor. See section 6. We recommend to install an LC filter when using a frequency 2. is reached. If this requirement is not met. Set the motor-protective circuit breaker to the rated maximum from the frequency converter. will operate like a motor without a temperature Single-phase MS 4000 motors must be protected. Start the pump and let it run for half an hour at normal converter. conditions the motor must be running at full speed in less than 3 seconds. Contact Grundfos or the motor manufacturer.2 Other motor makes than Grundfos 4. it will cannot be reactivated.2. Grundfos offers a Pt100 Franklin 4" PSC motors must be connected to a motor-protective sensor for the submersible motor.1 x nominal flow. circuit breaker. sensor is available as an accessory. A protective transmitter. The transmitter When the motor has cooled sufficiently. Depending on the frequency converter type.1. Caution with pump operation. 8 . Increase the setting by 5 %.2. never reduce the frequency (and consequently the speed) to such a level that The following motors must be protected by a motor-protective the necessary flow of cooling liquid past the circuit breaker with thermal relay. the compressor will run continuously once the motor protection has cut out the motor. TM00 1357 3605 825045 825017 6.5 Control of single-phase MS 402 motors English (GB) The installation can be fitted with a special overvoltage protective Warning device to protect the motor from voltage surges in the power supply lines when lightning strikes somewhere in the area. The overvoltage protective device will not. require no further lightning protection as they are highly insulated.4 Cable sizing TM00 1358 5092 Make sure that the submersible drop cable can withstand permanent submersion in the actual liquid and at the actual temperature. Allow for this.25 12. 0. The single-phase MS 402 motor incorporates See fig. The submersible drop cable should be sized to the rated The PSC motors are connected to the mains via an operating maximum current (I) of the motor.50 50 value (Is) of the cables. Black Black 6. L2 L when the motor forms part of a control system. 2.5 23 50 202 2. 9 . unless other special precautions have been taken.5 30 70 250 4 41 95 301 6 53 120 352 10 74 150 404 16 99 185 461 25 131 240 547 35 162 300 633 If Grundfos submersible drop cables are not used. 0.6.10 40 rated maximum current of the motor does not exceed the current 1. The overvoltage protective device should be connected to the installation as close as possible to the motor and always in accordance with local regulations. A special cable termination kit with a built-in overvoltage Yellow/green protective device is available for Grundfos 4" motors (product No 799911 or 799912). the cross-section should be selected on the basis of the current values of the actual cables. 11. however. See fig. * capacitor which should be sized for continuous operation.58 x the 1. 50 Hz submersible drop cables (i.5 the drop cable) at an ambient temperature of maximum 30 °C.6. Use the largest of the cross-sections found under items 1 and 2.6. protect the motor against a direct stroke of lightning. size the cables so that 0.1 2-wire motors Three-phase Single-phase MS 402 2-wire motors incorporate motor protection and a starter Fig. Contact Grundfos if the ambient temperature lies above 30 °C.6 Connection of single-phase motors 6. 11 2-wire motors The cross-section (q) of the cable should meet the following requirements: 6. however.37 16 When sizing the submersible drop cable. MS 402 motors. make sure that the rated 0. Ask Grundfos for lightning protective devices. Motor Capacitor * The table below specifies the current value of Grundfos [kW] [μF] 400 V. L3 N PE PE If a compressor is included in a control system together with an ochre filter. Fig.2 PSC motors 1.e. the maximum current tolerated by 0. Grundfos can supply submersible drop cables for a wide range of installations. however.55 20 maximum current does not exceed the current value (Is). The cross-section should be sufficient to make a voltage drop Select the correct capacitor size from the table below: over the cable acceptable.75 30 For star-delta starting. 10.3 Lightning protection 6.20 75 q Is q Is [mm2] [A] [mm2] [A] 1. 10 Fitting an overvoltage protective device device and can therefore be connected direct to the mains. motor protection which cuts out the motor in case of excessive winding temperatures while the L1 motor is still supplied with voltage. 2. 7.5. 12 PSC motors 4.franklin-electric. Start the pump and measure quantity of water and head. For electrical connection via the MP 204.7.com and fig. 3.0 hp) Black B SA-SPM 5 60 Hz Yellow/green PE 10 .1 Checking the direction of rotation Yellow/green The pump must not be started until the suction Brown Caution interconnector has been completely submerged in the liquid. 12. 3 PE U V W TM03 2099 3705 or 5 without motor protection. Fig. 2.3 3-wire motors MS 4000 3-wire motors should be connected to the mains via a Grundfos control box SA-SPM 2. 13. 3 or 5 incorporating motor protection. the electrical connection should be carried out as described below. check TM00 1359 5092 the direction of rotation: 1. Black Grey When the pump has been connected to the power supply.7 kW Y L1 Red R L2 L2 (~ 1. MS 402 3-wire motors incorporate motor protection and should be connected to the mains via a Grundfos control box SA-SPM 2.1 . The connection giving the larger See www. 13 Franklin motors 6. Stop the pump. quantity of water and the higher head is the correct one. Start the pump and measure quantity of water and head.5 . MS 402 PSC motors incorporate motor protection and should be 6. see the separate installation and operating instructions for this unit.direct-on-line starting Grey 1 N N Up to 0.2 Three-phase motors. 14 Grundfos motors . Stop the pump and interchange two phases. 5.direct-on-line starting L N The connection of Grundfos motors wound for direct-on-line starting appears from the table below and fig. Cable/connection Mains Grundfos 4" and 6" motors PE PE (yellow/green) Yellow/green C L1 U (brown) L2 V (black) Brown Black Grey L3 W (grey) TM00 1361 1200 Check the direction of rotation as described in section 6.7. When a conventional motor-protective circuit breaker is being used. Compare the two results.75 kW Brown 2 L L 50 Hz Black 3 SA-SPM 2 Yellow/green PE Grey 1 N N From 1.10 kW Brown 2 L L 50 Hz Black 3 SA-SPM 3 Yellow/green PE Yellow L1 1.1 Checking the direction of rotation.3.6. 14. English (GB) Three-phase motors must be protected. 6. The connection of MS 402 and MS 4000 motors appears from the M table below: 3 Motor Cable Control box Mains Fig. See section 6.2. M 1 PE L1 L2 L3 Fig.2 Grundfos motors .7 Connection of three-phase motors connected to the mains as shown in fig. 6. the frequency converter may cause increased acoustic noise from the motor.7. If direct-on-line starting is required.1 Checking the direction of rotation. connect the leads as shown in fig. contact your soft starter supplier or Grundfos. 15.1 Checking the direction of rotation. See fig.6. Then check the direction of rotation as described in section 6. 17 Unidentified cable marking/connection .7. Fig. proceed as follows: Motors wound for direct-on-line starting Connect the pump to the mains as is expected to be right. W2 U2 V2 TM03 2100 3705 PE U1 V1 W1 6.7. PE L1 L2 L3 To enable the monitoring of the motor Note temperature. Three-phase MS motors can be connected to a frequency converter. Furthermore. and name the lead sets for the individual windings accordingly: U1-U2. 15 Grundfos motors wound for star-delta starting For further details. This can be TM03 2101 3705 PE U1 V1 W1 abated by installing an LC filter between the frequency converter and the motor. Fig. it may W2 U2 V2 expose the motor to detrimental voltage peaks. V1-V2. 16 Grundfos motors wound for star-delta starting . 11 . W1-W2.1 Checking the direction of rotation.7. the motors should be 6. contact your frequency converter supplier or 3 Grundfos. Ramp times: Maximum 3 seconds for start and stop. 15. M For further details.7.direct-on-line starting 6. Depending on the type.motors wound for star-delta starting If star-delta starting is required. Then check the direction of rotation as described in section 6. Ramp times: Maximum 3 seconds.5 Soft starter We only recommend the use of soft starters which control the M voltage on all three phases and which are provided with a bypass 3 switch. 16.star-delta starting Motors wound for star-delta starting English (GB) The connection of Grundfos motors wound for star-delta starting Determine the windings of the motor by means of an ohmmeter appears from the table below and fig. 16. 17. we recommend to install a Pt100 sensor together with a PR 5714 relay. If direct-on-line starting is required. connect the leads as shown in fig.4 Connection in the case of unidentified cable marking/connection (Franklin motors) If it is unknown where the individual leads are to be connected to the mains in order to ensure the correct direction of rotation.6 Frequency converter operation connected as shown in fig. PE L1 L2 L3 Fig.7.3 Grundfos motors .7. Permissible frequency ranges: 30-50 Hz and 30-60 Hz. Connection Grundfos 6" motors PE Yellow/green U1 Brown V1 Black W1 Grey W2 Brown U2 Black TM00 1367 5092 V2 Grey Check the direction of rotation as described in section 6. 18 Lifting the pump into vertical position 7. See fig.2 Removing and fitting the cable guard If the cable guard is screwed on to the pump. See table below. Installation 3. 12 . 5. with more than 5 stages TM00 5259 2402 When fitting the motor to the pump part. 19 Motor in vertical position 3/8 UNF 18 1/2 UNF 50 M8 18 M12 70 M16 150 M20 280 Make sure that the pump chambers are aligned Caution when assembly has been completed. Use pipe clamps when handling the motor. cross-tighten the nuts to the following torques: Torque Staybolt diameter [Nm] Fig. English (GB) We recommend that you first fit a 50 cm long pipe to the pump to facilitate handling of the pump during installation. it should be removed and fitted by means of screws. 2.1 Fitting the motor to the pump When the pump part and the motor are supplied as separate units Fig. The bolts and nuts securing the straps to the pump must be cross-tightened to the following torques: Torque Bolt/nut [Nm] M8 18 M10 35 M12 45 M16 120 SP 215. fit the motor to the pump as follows: 1. 60 Hz. Make sure that the coupling between the pump Caution and motor engages properly. 20 Lifting the pump into position (long pumps). 19. 20. Place the motor in vertical position at the borehole seal. Place the pump part on top of the motor. 7. with more than 8 stages 150 SP 215. 4. TM05 1617 3311 TM02 5263 2502 Fig. Lift the pump to vertical position before removing Caution it from the wooden box. Lift the pump part by means of pipe clamps fitted to the extension pipe. 7. See fig. 50 Hz. Make sure that the pump chambers are aligned Caution when the cable guard has been fitted. Fit and tighten the nuts. MMS 6000: 10. See fig. Push the slit over the button and cut off the band. When plastic pipes are used. some slackness must be left straining wire to be fastened to the discharge chamber of the between each cable clip as plastic pipes expand when loaded. 7. Where large cable cross-sections are used. Grundfos MS 6000: 600. between the pump and the first pipe section. wind the band several times. See section 5. Lower the pump carefully into the borehole. For pumps fitted with plastic pipes.g. to the riser pipe of the pump. secure the pump by an unloaded Where plastic pipes are used. lubricate the rubber parts 1. the cable clips should be fitted above and below each joint. Grundfos supplies cable clip sets on request. Cut off the rubber band so that the piece with no slit becomes of the cable plug with non-conducting silicone paste. take the submersible drop cable and a water indicator hose. MMS 12000: 15. MS6: 6. 7. it tightly at least twice around the pipe.1 Grundfos motors Fit cable clips every 3 metres to fix the submersible drop cable and the straining wire. 23. when deciding on the installation depth of the pump. the installation should be finished by means of a borehole seal. Insert a button in the first slit. MS 6000: 4. 5. the expansion of the pipes when loaded should be Franklin motors: 350. Minimum inlet pressure is indicated in the NPSH curve for the Where flanged pipes are used. Grundfos MS 4000: 600. The thread on the first section of the riser pipe which is to be Fig.0. is used when the riser pipe is fitted to the pump.6 Cable clips English (GB) 7. we recommend to use plastic pipes. 7. Then wind If noise may be transmitted to the building through the pipework. a chain pipe wrench. to the borehole seal by means of wire locks.7 Lowering the pump We recommend to check the borehole by means of an inside calliper before lowering the pump to ensure unobstructed passage.5 Maximum installation depth below water level [m] See section 5. To facilitate the connection of the cable. MS 402: 2. 3. When the pump has been installed to the required depth. When flanged pipes are used. 13 .3.7. as long as possible. We recommend to install the pump so that the motor part is above the well screen in order to ensure optimum cooling.2 Positional When connecting plastic pipes. wire and the cable.5. 7. make sure that the cable socket is clean and dry.4 Liquid temperatures/cooling. pump. Wind the band once around the wire and the cable.0. Grundfos MMS: 600. 21. e. MMS 10000: 18. Note taken into consideration. 21 Fixing the straining wire The dynamic water level should always be above the suction interconnector of the pump. TM00 1368 2298 Do not lower or lift the pump by means of the Caution motor cable. 4. The threaded joints on the riser pipe must all be well cut and fit together to ensure that they do not work loose when subjected to torque reaction caused by the starting and stopping of the pump. The minimum safety margin should be 1 metre head.4 Riser pipe If a tool. MS 4000: 3. the pump must only be gripped by the pump TM00 1369 5092 discharge chamber. 22 Fitting the cable clips screwed into the pump should not be longer than the threads in the pump. Grundfos MS 402: 150. the flanges should be slotted to pump. it will be necessary to Note We recommend plastic pipes for 4" pumps only.3 Connecting the submersible drop cable 7. MMS 8000: 18. taking care not to damage the motor cable and the submersible drop cable.8 Installation depth Fig. Slacken the straining wire so that it becomes unloaded and lock it Grundfos MS6: 600. use a compression coupling requirements and fig. Before connecting the submersible drop cable to the motor. Tighten the screws holding the cable to these torques [Nm]: 2. 22. if fitted. if fitted. Position the wire alongside the submersible drop cable as shown in fig.0. The pumps can be serviced at a Grundfos service centre.2. MMS 6000 Maximum 15 per hour. as otherwise the Maximum 300 per day. gradually as the water becomes clearer. pump parts and the non-return valve may become blocked. Grundfos must be L2: Depth to dynamic water level. requirements and fig. MMS 8000 Maximum 10 per hour. it should be started with section 5. should be checked to ensure that the pump always remains Maximum 300 per day. the pump flow rate When the pump has been connected correctly and it is should never be set so low that the cooling requirements in submerged in the liquid to be pumped. L2 Minimum 1 per year is recommended. the discharge valve closed off to approx. submerged. Minimum 1 per year is recommended. Motor type Number of starts If there are impurities in the water. the valve should be opened Minimum 1 per year is recommended.1 Start-up To ensure the necessary cooling of the motor. This is the difference between the dynamic and Possible costs of returning the pump are paid by the customer. contacted with details about the pumped liquid.2. Maintenance and service All pumps are easy to service. we recommend to install the Grundfos MP 204 motor protector or some other type of dry-running protection. L4: Drawdown.4 Liquid temperatures/cooling cannot be met. MMS 12000 Maximum 5 per hour.2 Frequency of starts and stops Check the direction of rotation as described in section 6. If the pump can pump more than yielded by the well. 23. If no water level electrodes or level switches are installed.7. L1 Maximum 120 per day. Start-up and operation 8. Long time of operation with water containing air Caution may damage the pump and cause insufficient cooling of the motor.1 Checking the direction of rotation. 14 . Maximum 300 per day. L5: Installation depth. interconnector of the pump. We recommend minimum 1 metre. the static water levels. 9. 8. accept the pump for service. Franklin Maximum 100 per day. the drawdown of the water level MS 4000 Maximum 100 per hour. Maximum 240 per day. As the valve is being opened. L4 Minimum 1 per year is recommended. Minimum 1 per year is recommended. etc.1 Minimum flow rate 8. 23 Comparison of various water levels injurious to health or toxic.2 Positional Maximum 300 per day. before the pump is returned for service. MS 6000 Maximum 30 per hour.2 Operation English (GB) 8. The pump should not be MS 402 Maximum 100 per hour. If Grundfos is requested to service the pump. Otherwise Grundfos can refuse to L3: Depth to static water level. 1/3 of its maximum volume of water. See section 5. 8. TM00 1041 3695 Service kits and service tools are available from Grundfos. the pump will be classified as contaminated. stopped until the water is completely clean. Minimum 1 per year is recommended. Warning If a pump has been used for a liquid which is Fig. Minimum 1 per year is recommended. The dynamic water level should always be above the suction MS6 Maximum 30 per hour. the water level may be drawn down to the suction interconnector of the pump and the pump will then draw in air. L5 Maximum 190 per day. MMS 10000 Maximum 8 per hour. Minimum 1 per year is recommended. Minimum 1 per year is recommended. L1: Minimum installation depth below dynamic water level. L3 Maximum 360 per day. Contact the power supply company. check the water power supply to the pump due to low water level electrodes/level switch. 4. small. c) The valves in the discharge pipe are partly Clean or replace the valves. If the new ones blow too. If the voltage is okay. Increase the capacity of the by replacing or supplementing with another tank. Check the voltage if it trips again. d) The discharge pipe is partly blocked by Clean or replace the pipe.10. See item 3a. has tripped. d) The suction strainer is blocked. b) No water or too low water level in borehole. the electric installation and the submersible drop cable should be checked. Replace the pipe. cutting-out of the pump. d) The motor-protective circuit breaker has Reset the motor-protective circuit breaker tripped. e) The tank is too small. a) The fuses are blown. h) Leakage in the pipework. Check the diaphragm tank. The pump runs at a) The drawdown is larger than anticipated. Fault finding English (GB) Fault Cause Remedy 1. See installation and operating instructions for the electrodes/level switches. e) The motor-protective circuit Replace the motor-protective circuit breaker/contactor. f) Starter device is defective. b) The ELCB or the voltage-operated ELCB Cut in the circuit breaker. i) The riser pipe is defective. c) The non-return valve is leaking or stuck Pull out the pump and clean or replace the valve. Clean the pipes. Increase the installation depth of the pump. c) The non-return valve is stuck in closed Pull out the pump and clean or replace the valve. pump or install a pump with a smaller capacity. 15 . and the start pressure should be high enough to ensure sufficient water supply. f) The pump and the riser pipe are partly Pull out the pump and clean or replace it. Repair or replace the starter device. blocked by impurities (ochre).7. (automatically or possibly manually). the pump capacity may be reduced by throttling the discharge valve. The pump runs but gives a) The discharge valve is closed. impurities (ochre). g) The control circuit has been interrupted or is Check the electric installation. Adjust the tank precharge pressure in accordance with its installation and operating instructions. If the intervals between stop/start cannot be changed via the automatics. Repair or replace the pump. Replace the blown fuses. between the start and stop pressures is too exceed the operating pressure of the pressure tank. c) No power supply. breaker/contactor is defective. 2. The pump does not run. half-open. blocked. 3. Open the valve. d) The tank precharge pressure is too small. see items 1e to 1h.1 Checking the direction of rotation. Frequent starts and a) The differential of the pressure switch Increase the differential. g) The pump is defective. See section 6. defective. Repair or replace the pump. b) Wrong direction of rotation. e) The non-return valve of the pump is partly Pull out the pump and clean or replace the valve. Check and repair the pipework. e) The pump is defective. f) The diaphragm of the tank is defective. level. throttle the reduced capacity. no water. defective. If it is okay. Pull out the pump and clean the strainer. h) The dry-running protection has cut off the Check the water level. i) The pump/submersible drop cable is Repair or replace the pump/cable. position. The stop pressure must not stops. b) The water level electrodes or level switches Adjust the intervals of the electrodes/level switches to in the reservoir have not been installed ensure suitable time between the cutting-in and correctly. closed/blocked. 12. depending on the type of the pump should be stopped until the defect has been supply. motor cable and drop cable separately. see • The contacts of the motor-protective circuit breaker are nameplate. Use the public or private waste collection service. following possible faults: For maximum operating current. If this is not possible. 11. the difference between the current in the pump is operating at a constant the phase with the highest consumption and the current in the discharge head (if possible. remedied. be within the by means of a voltmeter. Measure the insulation resistance from Local regulations may specify other values for the insulation each phase to earth (frame). Connect the voltmeter to the terminals in TM00 1371 5092 the motor-protective circuit breaker. resistance. Supply voltage Measure the voltage between the phases The voltage should. • Damaged pump is causing the motor to be overloaded. See item 3. 2. Measure motor. see item 3. possibly in the cable joint. burnt. Current consumption Measure the amps of each phase while On three-phase motors. capacity where the motor is most heavily If so. 16 . range specified in section 6. See item 1. contact the nearest Grundfos company or service workshop. pull out the pump. Subject to alterations. Checking motor and cable English (GB) 1. or if the current exceeds the rated current. Insulation resistance Disconnect the submersible drop cable If the insulation resistance is less than 0. the pump from the motor-protective circuit breaker. Winding resistance Disconnect the submersible drop cable For three-phase motors. the leads of the drop cable. Measure the winding resistance between If the deviation is higher. should be pulled out for motor or cable repair. • The resistance value of the motor windings deviates too much (three-phase). Electrical connection. If this does not help. and the lowest value should not exceed 10 %. 2. when the motor is loaded. Make sure that the earth connection was TM00 1374 5092 made carefully. • Too high or too low supply voltage. there are the loaded). Replace the contacts or the control box for single-phase operation. • Poor connection in leads. TM00 1372 5092 Pull out the pump for overhaul. the deviation between the highest from the motor-protective circuit breaker. between phase and neutral or between Large variations in voltage indicate poor power supply. and two phases. On single-phase motors. at the phase with the lowest consumption should not exceed 5 %. 4. Disposal This product or parts of it must be disposed of in an environmentally sound way: 1. Note: The operating winding of single-phase 3-wire motors TM00 1373 5092 will assume the lowest resistance value. Items 3 and 4: Measurement is not necessary when the supply voltage and the current consumption are normal. 3. Move the phases in phase order to a more uniform load.5 MΩ. and repair or replace defective parts. • The motor windings are short-circuited or partly disjointed. See item 3. measure The motor may burn if there are larger variations in voltage. 3 SP A Fig. 1 Fig. 1 Fig. 2 17 .Appendix 1 Appendix SP A Fig. 2 TM00 1324 5092 Fig. 2 Fig. 3 TM00 1323 5092 Fig. 1 Fig. 1 Fig. 2 Fig. 1 Fig.SP 95 . 3 TM00 1326 5092 Fig. 3 SP 77 .SP 30 . 2 Fig. 1 Fig.SP 125 .Appendix SP 17 .SP 215 Fig. 2 Fig. 2 Fig. 2 Fig. 3 18 . 1 Fig.SP 60 Fig.SP 46 .SP 160 . 1 Fig. 3 Fig. 3 TM00 1325 5092 Fig. 2 Fig. KG Netherlands Phone: +886-4-2305 0868 Belgium Hilgestrasse 37-47 GRUNDFOS Netherlands Telefax: +886-4-2305 0878 N. 109544 Москва. GRUNDFOS Hungária Kft.hr 5-21-15.com/DK Deglava biznesa centrs Wilbart Ext.: +351-21-440 76 00 Phone: +44-1525-850000 Fax.A. +359 2 49 22 200 Tel.Усмана Носира 1-й 50/F Maxdo Center No. rue de Malacombe Glenmarie Industrial Park 431 24 Mölndal Australia F-38290 St.o. Kangnam-ku. 564 88 00 Телефон: (3712) 55-68-15 Shanghai 200336 Факс (+7) 495 737 75 36. Факс: +(37517) 233 97 69 Telefax: +0030-210-66 46 273 Albany. 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[email protected]. Athinon-Markopoulou Av.o. 6 Camino de la Fuentecilla. de Buenos Aires Pcia. United Kingdom Slatina District Thoraipakkam Rua Calvet de Magalhães. ул. New Zealand Turkey 220123.V. Box 71 GRUNDFOS Pumps NZ Ltd. yol 200. Shiagawa-ku.1592 Sofia Phone: +91-44 2496 6800 P-2770-153 Paço de Arcos Leighton Buzzard/Beds. Phone: +353-1-4089 800 39 тупик 5 Hongqiao development Zone Telefax: +353-1-4089 830 Тел. 241 GRUNDFOS Pumps Ltd. Bombas GRUNDFOS de Argentina S. Ltd.300 H-2045 Törökbálint.r. GRUNDFOS POMPA San.: +47-22 90 47 00 Тел.ro Telefax: +1-905 829 9512 GRUNDFOS (Ireland) Ltd.: +49 6135 75-0 Postbus 22015 GRUNDFOS (Thailand) Ltd.: +43-6246-883-0 e-mail: kundendienst@grundfos. Ground floor Norway E-mail: satis@grundfos. S. Phone: +81 35 448 1391 Phone: +65-6681 9688 Čajkovského 21 Telefax: +81 35 448 9619 Telefax: +65-6681 9689 779 00 Olomouc Phone: +420-585-716 111 Korea Slovenia Telefax: +420-585-716 299 GRUNDFOS Pumps Korea Ltd. GRUNDFOS AB Telefax: +54-3327 45 3190 Parc d’Activités de Chesnes 7 Jalan Peguam U1/25 Box 333 (Lunnagårdsgatan 6) 57.o. Tel. GRUNDFOS Bellux S.: +39-02-95838112 Dr. 5F. Phone: +0030-210-66 83 400 North Harbour Industrial Estate Ihsan dede Caddesi. Milutina Ivkovića 2a/29 GRUNDFOS CROATIA d. Korea Telefax: +386 1 568 0619 Martin Bachs Vej 3 Phone: +82-2-5317 600 E-mail:
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