Grundfos MGE F Service Instructions Manual Download Page 32 | Manualshive

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Summary of Contents for MGE F

Page 1: ...MGE model F Service instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ...0 6 Emergency operation bypass 22 6 1 Establishing emergency operation 23 6 2 Re establishment of frequency converter operation 24 7 Drawings and diagrams 25 8 Tightening torques and lubrication 28 8 1 Tightening torques 28 8 2 Lubricating intervals and grease 28 9 Service tools 29 Read this document before starting service work on the product Installation and service work must comply with local r...

Page 3: ...e product make sure that the power supply is switched off and that it cannot be accidentally switched on Wait 30 minutes before doing any work inside the product Make sure that the mains cover is fitted in MGE F if you perform service work where fault finding with power on and or with connection to PC Tool Link is needed Turn off power and wait for the control box to be de energised before you che...

Page 4: ...6 7 8 9 10 11 12 13 14 15 16 17 19 20 21 22 18 Pos Description Pos Description 1 Type designation 12 Max supply current at min and max supply voltage 2 Product number 13 Supply voltage 3 Power factor 14 Rated power 4 Production code year week 15 Output frequency 5 Serial number 16 Output voltage 6 Weight 17 CE mark 7 Enclosure class according to IEC 34 5 18 VDE mark 8 Maximum ambient temperature 1...

Page 5: ...3500 3550 90 0 92 5 0 92 0 89 MG180MB2 48FF300 F1 4000 85903419 1000 40 60 UNIREX N3 ESSO 6310 C4 7310BE 15 Protector type PTC 160 C TP211 114 55 F 0931 TM04 2843 3208 Example MG E 160 M D 2 42 FF 300 F 1 Motor Grundfos Electronically controlled Frame size according to IEC centre line height of shaft of foot motor mm 160 180 Size of foot M L Length of stator core B D Number of poles 2 4 Diameter o...

Page 6: ...n the frame of the control panel See figs 5 and 6 Fig 5 Configuration label Fig 6 Position of configuration label If the terminal box is replaced or mounted on another motor it must be reconfigured Contact Grundfos Service 3 General description Fig 7 Block diagram showing the functional blocks of the frequency converter TM04 2305 2308 TM04 2400 2508 TM00 8679 4206 Inrush circuit RFI filter Rectifi...

Page 7: ...TE FOR FURTHER DATA 17 PT100 A 18 PT100 A 19 PT100 B 20 PT100 B STATUS LED 7 SENSOR INPUT 8 24V 9 GND 0 10V 0 4 20mA 1 DIGITAL INPUT 2 10 DIGITAL INPUT 3 11 DIGITAL INPUT 4 12 ANALOG OUTPUT 13 GND 14 SENSOR INPUT 2 15 24V 2 16 GND 0 10V 0 4 20mA A RS485 A Y RS485 GND B RS485 B 0 10V 0 4 20 mA 2 RUN STOP 3 GND 4 SETPOINT 5 10V 6 GND 10k PE 96348945 NC1 C1 NO1 SIGNAL RELAY MAX 250 V 2A AC1 MIN 5V 10...

Page 8: ...al block on the control board normally have the same functions as the indicator lights on the control panel See fig 14 Fig 14 Indicator lights inside the terminal box See section 4 6 Fault finding using the indicator lights on the control panel to get an overview of the meaning of the indicator lights TM02 8513 0304 TM03 0126 4104 WARNING Electric shock Death or serious personal injury Make sure t...

Page 9: ...ating instructions for MGE 160 and MGE 180 Start up installation and operating settings via the control panel or Grundfos GO Remote Check that the green indicator light on the control panel or inside the terminal box is on Check that the settings in Grundfos GO Remote match the pump application The menu displays are described in detail in the installation and operating instructions for MGE 160 and...

Page 10: ...minal box WARNING Electric shock Death or serious personal injury When making the wiring connections for PC Tool Link make sure that the power is switched off and wait 30 minutes Connect the cable through the cable glands and mount the cover before switching on the power Make sure that the mains cover is fitted in MGE F if you perform service work where fault finding with power on and or with conn...

Page 11: ...er supply Proceed to point b b Has the communication cable been disconnected YES NO Check the communication cable Contact Grundfos Service 2 The pump is running at maximum speed The sensor signal is outside the set signal range a Does the sensor setting correspond to the sensor type installed 0 10 V 0 20 mA 4 20 mA NO YES Correct the setting using Grundfos GO Remote or PC Tool E Products Proceed t...

Page 12: ...ox On Off Normal operation 1 The pump is running Normal operational state 2 The pump is not running Operational stop which may be caused by the flow switch connected the pump stop function a The flow switch is closed Is there 5 VDC across terminals 1 9 If an extended I O module is installed the flow switch may be connected to DI3 terminals 9 10 or DI4 terminals 9 11 NO YES Flow switch closed Pump ...

Page 13: ...d to the system pressure TM02 1604 0601 TM04 2072 1908 NO YES Connect the sensor signal correctly If the pump does not run correctly replace the I O module or the terminal box If the sensor is defective replace it Off Off The pump is not running 1 The power supply to the motor has been cut Re establish correct power supply 2 The control panel or one of the functional modules is defective Switch of...

Page 14: ... pump is OK Proceed to the next fault possibility 5 Other faults wrong terminal box wrong configuration fatal fault Replace the terminal box Reconfigure the terminal box Replace the terminal box Flashing 1 Hz Off Normal operational stop The pump has been stopped with the button with Grundfos GO Remote using the Grundfos GENIbus by the motor start stop function Input on terminal 2 3 is open Flashin...

Page 15: ...tor bearings Motor bearings need change service information W The motor has reached the number of operating hours for the bearing service life that is stated in the configuration Replace the bearings See section 5 2 Replacement of motor bearings 31 Replace varistor Motor varistor s need change service information W The varistor has been exposed to the allowable number of transients and needs repla...

Page 16: ...vice Fault in stator windings Contact Grundfos Service Terminal box defective Contact Grundfos Service 77 Duty standby Communication fault Twin pump communication fault W Communication between the two pumps which have been set to duty standby function has been interrupted Cause Power supply to standby pump has been cut Re establish the power supply Communication cable has been cut Check the commun...

Page 17: ... above 100 C The measured temperature can be read via PC Tool E products Cause Temperature sensor defective Contact Grundfos Service Continued overload Reduce the load The ambient temperature is too high or the cooling is insufficient Improve the cooling Incorrect configuration of the terminal box Contact Grundfos Service 148 DE bearing temperature high Motor drive end DE bearing temp warning limi...

Page 18: ...nsor 1 or 2 external setpoint the feedback signal The limit set has been exceeded either upwards or downwards Procedure 1 Using PC Tool E products check which function is being monitored 2 Check in the pump system whether the alarm or warning is real If it is real remedy the fault 3 If the alarm or warning seems to be wrong for the pump system troubleshoot according to the selected sensor using th...

Page 19: ...mmissioning service and maintenance of equipment systems and circuits may only be performed by Grundfos service technicians or a Grundfos Authorised Service Partner ASP who have attended training equivalent to Grundfos Electronics Service Expert GESE or similar Always observe local applicable safety regulation WARNING Electric shock Death or serious personal injury Due to the capacitors of MGE F t...

Page 20: ...ing end shield in the non drive end and the spring pos 158 7 Remove the screws pos 185 holding the bearing end shield in the drive end pos 156b 8 Carefully pull the bearing end shield in the drive end and the shaft rotor pos 172 out of the stator housing Take care not to damage the stator windings 9 Remove the three screws pos 182 holding the bearing cover pos 155a 10 Remove the bearing end shield...

Page 21: ...em to 8 Nm 6 Carefully move the bearing end shield in the drive end and the shaft rotor to their position inside the stator housing Take care not to damage the stator windings 7 Fasten the bearing end shield in the drive end with the screws pos 185 and cross tighten them to 27 Nm 8 Replace V ring pos 159e and O ring pos 157 in the bearing seat of the bearing end shield in the non drive end pos 156...

Page 22: ...he motor is only protected by its backup fuse Normal operation must therefore be re established as quickly as possible Wait 30 minutes before doing any work inside the product Before establishing emergency operation of the pump make sure that the motor is OK You may for instance meg the motor The starting current will increase when the frequency converter is bypassed WARNING Electric shock Death o...

Page 23: ...lar around the ends of the insulating hose in order to fasten it over the joint See figs 22 and 23 6 Briefly start the motor and observe the direction of rotation 7 If the motor s direction of rotation is wrong interchange two of the supply conductors phases 8 Put the terminal box cover pos 164 back on and fasten it with the four screws pos 166 Tighten the screws to 7 Nm TM07 6727 2520 TM03 9120 3...

Page 24: ...gain 3 Fit the motor conductors on the correct motor terminal Blue black to U1 W2 white grey to V1 U2 and orange yellow to W1 V2 Tighten them to 2 2 Nm 4 Fit the supply conductor to one of the supply terminals and tighten it to 2 2 Nm 5 Repeat steps 2 to 4 for the remaining two joints 6 Fit the cover over the motor terminals 7 Fit the cover over the supply terminals pos 284 and tighten the screw t...

Page 25: ...English GB 25 7 Drawings and diagrams The position numbers in fig 24 refer to the list on page 25 Fig 24 Exploded view MGE F TM04 5781 3909 ...

Page 26: ... ring drive end 165 Knock out cable entry 170a Nameplate 171 Key 172 Shaft with rotor 178 Screw terminal box 178a Lock washer D10 5 D16 x 1 A2 178b Nut M10 DIN 934 A2 waxed 182 Screw bearing cover 182a Screw bearing cover non drive end 184 Gasket drive end 185 Screw drive end 185a Screw non drive end 185b Nut drive end 185c Nut non drive end 186 Plug for drain hole 189 Eyebolt 191 Foot 192 Screw f...

Page 27: ...252 Cable entry block complete 253 Screw for cable entry block 259 Control panel 263 Functional module complete with plugs 264 Screw functional module 268 Earth screw 268a Earth clamp 269 Washer earth screw 273 Control board 274 Rectifier board 275 Inverter board 275a Screw for inverter board and rectifier board 276 Busbar 276a Nut for busbar 277 Insulation cover 277a Screw for insulation cover 27...

Page 28: ...nductors 2 2 268 Terminal for PE conductor 4 279b Terminal for varistor 1 5 276a Nuts for busbar 2 2 281a Screws for coil 4 275a Screws for rectifier board and inverter board 4 Screws for inverter and IGBT step 1 step 2 4 4 264 Screws for modules 2 2 5 Motor 152 Screws for fan cover 8 178 Screws for terminal box 27 182 Screws for bearing cover in the drive end 8 182a Screws for bearing cover in th...

Page 29: ...r B Puller C Slotted screwdriver D Torx screwdrivers set T20 T25 96884908 E Hexagon socket screwdriver 8 mm Pos Designation Supplementary information Product number F Torque screwdriver 1 6 Nm SV0438 G Torque wrench H Hexagon head driver I Hexagon socket J Torx bits set T20 T25 96884936 Pos Designation Supplementary information Product number K Digital multimeter type RMS with diode test function ...

Page 30: ...30 ...

Page 31: ...6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tālr 371 714 9640 7 149 641 Fakss 371 914 9646 Lithuania GRUNDFOS Pumps UAB Smolensko g 6 LT 03201 Vilnius Tel 370 52 395 430 Fax 370 52 395 431 Malaysia GRUNDFOS Pumps Sdn Bhd 7 Jalan Peguam ...

Page 32: ...displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2020 Grundfos Holding A S all rights reserved www grundfos com ...

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