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Xylem Flygt 2075 Installation, Operation And Maintenance Manual Download Page 40

WS001800A

c) Pull off the impeller.
Use an impeller puller or pry off carefully with two strong screwdrivers or bars.

WS001805A

The upper diffuser can now be replaced.

Remove the impeller: Version code 590/690 ST

WARNING:

A worn impeller and/or pump housing can have very sharp edges. Wear protective gloves.

1. Lay the pump on its side.
2. Remove the screws and washers.

Maintenance

38

Flygt 2075 Installation, Operation, and Maintenance Manual

Summary of Contents for Flygt 2075

Page 1: ...Flygt 2075 Installation Operation and Maintenance Manual...

Page 2: ......

Page 3: ...n handling and storage 8 Handling at freezing temperature 8 Unit in as delivered condition 9 Lifting the unit out of liquid 9 Storage guidelines 9 Storage location 9 Long term storage 9 Product Descri...

Page 4: ...30 Remove the impeller Version code 324 30 Remove the impeller Version code 590 690 MT HT 33 Remove the impeller Version code 590 690 ST 38 Install the impeller 42 Adjust the impeller 44 Troubleshoot...

Page 5: ...ut safety messages It is extremely important that you read understand and follow the safety messages and regulations carefully before handling the product They are published to help prevent these haza...

Page 6: ...only under the conditions described in this manual The monitoring equipment incorporated in the product is correctly connected and in use All service and repair work is done by Xylem authorized person...

Page 7: ...o Trapped liquid can rapidly expand and result in a violent explosion and injury Never apply heat to impellers propellers or their retaining devices to aid in their removal Do not change the service a...

Page 8: ...emove contaminated clothing 2 Wash the skin with soap and water for at least 1 minute 3 Seek medical attention if necessary Ex approved products Follow these special handling instructions if you have...

Page 9: ...ve and applicable standards for example IEC EN 60079 14 Permitted liquid level for ATEX ATEX approved products must be fully submerged according to the ATEX approval Level sensing equipment must be in...

Page 10: ...NG Stay clear of suspended loads Observe accident prevention regulations in force Position and fastening The unit can be transported either horizontally or vertically Make sure that the unit is secure...

Page 11: ...internal cooling system are filled with a mixture of water and 30 glycol This mixture remains a flowing liquid at temperatures down to 13 C 9 F Below 13 C 9 F the viscosity increases such that the gly...

Page 12: ...and clean water Always follow the limits given in Application limits page 50 If there is a question regarding the intended use of the equipment please contact a local sales and service representative...

Page 13: ...res Version code 324 125 C 257 F Version code 590 and 690 MT HT 110 C 230 F Version code 590 and 690 ST 115 C 239 F The data plate The data plate is a metal label located on the main body of the produ...

Page 14: ...4 15 WS003972A 1 Approval 2 Approval authority and approval number 3 Approval for Class I 4 Approved drive unit 5 Stall time 6 Starting current Rated current 7 Duty class 8 Duty factor 9 Input power 1...

Page 15: ...2 Installation type 3 Sales code Product code The product code consists of nine characters divided into two parts This is an example of a product code and an explanation of its parts 3085 183 1 2 NP...

Page 16: ...debris from the inlet piping system before you install the pump Always check the impeller rotation before lowering the pump into the pumped liquid Sedimentation prevention In order to avoid sedimenta...

Page 17: ...hen the installation is made according to the dimensional drawing 1 Run the cable so that it has no sharp bends Make sure that it is not pinched and cannot be sucked into the pump inlet 2 Connect the...

Page 18: ...al requirements apply for electrical installation The supply authority must be notified before installing the pump if it will be connected to the public mains When the pump is connected to the public...

Page 19: ...Grounding Electrical Hazard You must earth ground all electrical equipment This applies to the pump equipment the driver and any monitoring equipment Test the earth ground lead to verify that it is co...

Page 20: ...d in the pump are properly connected to the terminal board 6 Install the cover 7 Fasten the screws on the entrance flange so that the cable insertion assembly bottoms out After you have connected the...

Page 21: ...regulator 6 Diode 18 Contactor start relay or thermal relay 7 Motor cable minimum 20 m 66 ft 19 Thermal detector in stator 8 Screen 20 Thermal detector in main bearing 9 Pump 21 Jumper 10 Crimp connec...

Page 22: ...Code Description GNYE Green Yellow RD Red GY Grey BU Blue YE Yellow Installation 20 Flygt 2075 Installation Operation and Maintenance Manual...

Page 23: ...tional ground Jumper Crimp connection Crimp isolation SYMBOLS AND DENOMINATIONS Connection plate W1 V1 U1 W2 V2 U2 2071 MAIN TERMINAL BOARD SENSOR TERMINALS Y STAR JUMPERS D DELTA JUMPERS T1 T2 3060 T...

Page 24: ...xA 3 S 4x0 5 4GA 2x1 5 GY BN BK GNYE WH RD BK GNYE A AWG 7 A AWG 3 2 1 GC T1 WH T2 WH OR BU YE MOTOR CABLE CONNECTION TO TERMINALBOARD 3 PH L3 L1 L2 L3 L1 L2 7GA 2x1 5 BK 3 BK 1 BK 2 BK 6 BK 4 BK 5 T1...

Page 25: ...e pump from above When started the pump will react in the opposite direction to the impeller rotation L2 L1 L2 L3 L3 L1 WS001397A Figure 6 Start reaction 4 If the impeller rotates in the wrong directi...

Page 26: ...t with the pumped or mixed liquid Electrical Hazard Risk of electrical shock This unit has not been investigated for use in swimming pools If used in connection with swimming pools special safety regu...

Page 27: ...e that the rotation of the impeller is correct For more information see Check the impeller rotation 1 Check the oil level in the oil housing 2 Remove the fuses or open the circuit breaker and check th...

Page 28: ...guidelines During maintenance and before reassembly always remember to perform these tasks Clean all parts thoroughly particularly O ring grooves Change all O rings gaskets and seal washers Lubricate...

Page 29: ...ach individual application It can include such things as impeller trimming wear part control and replacement control of zinc anodes and control of the stator Twice a year For warm media liquid applica...

Page 30: ...orm to the outside diameter of the cables 2 Cut off a piece of the cable so that the seal sleeve closes around a new position on the cable 3 Replace the seal sleeve if necessary Inspection chamber1 1...

Page 31: ...nge the oil A paraffin oil with viscosity close to ISO VG32 is recommended The pump is delivered from the factory with this type of oil In applications where poisonous properties are of less concern a...

Page 32: ...igure 9 Version code 324 WS001794A Figure 10 Version code 590 690 4 Put the oil screw back and tighten it Tightening torque 10 20 Nm 7 4 15 ft lbs 5 Version code 590 and 690 Put the lock washer and sc...

Page 33: ...S001786A c Remove the lower pump casing ST d Remove the spacer tubes MT HT 3 Remove the lower diffuser MT HT a Remove the nuts and washers b Remove the diffuser Maintenance Flygt 2075 Installation Ope...

Page 34: ...ng MT HT a Remove the nuts and washers b Remove the diffuser ring WS001784A 5 Remove the impeller a Remove the nuts Use pliers a screwdriver or similar Maintenance 32 Flygt 2075 Installation Operation...

Page 35: ...screwdrivers or bars WS001785A Remove the impeller Version code 590 690 MT HT WARNING A worn impeller and or pump housing can have very sharp edges Wear protective gloves 1 Lay the pump on its side 2...

Page 36: ...WS001818A b Remove the strainer WS001802A 3 Remove the lower diffuser a Knock back the folded washers Maintenance 34 Flygt 2075 Installation Operation and Maintenance Manual...

Page 37: ...WS001797A b Remove the nuts and washers WS001803A c Remove the diffuser WS001801A Maintenance Flygt 2075 Installation Operation and Maintenance Manual 35...

Page 38: ...ve the diffuser ring a Knock back the folded washer WS001796A b Remove the studs and the washers WS001804A c Remove the diffuser ring Maintenance 36 Flygt 2075 Installation Operation and Maintenance M...

Page 39: ...e impeller to prevent rotation Put one of the studs back to be used as a retaining pin Use pliers a screwdriver or similar WS001817A b Remove the impeller nut Maintenance Flygt 2075 Installation Opera...

Page 40: ...S001805A The upper diffuser can now be replaced Remove the impeller Version code 590 690 ST WARNING A worn impeller and or pump housing can have very sharp edges Wear protective gloves 1 Lay the pump...

Page 41: ...1816A 3 Put two M8 screws in the two threaded holes to press the cover off the pump housing WS001811A 4 Knock back the folded washer Maintenance Flygt 2075 Installation Operation and Maintenance Manua...

Page 42: ...mpeller a Lock the impeller to prevent rotation WS001813A b Remove the impeller screw c Remove the washer d Pull off the impeller Use an impeller puller Maintenance 40 Flygt 2075 Installation Operatio...

Page 43: ...WS001812A 6 Remove the nuts and washers WS001814A 7 Knock off the pump housing Use a plastic hammer Maintenance Flygt 2075 Installation Operation and Maintenance Manual 41...

Page 44: ...t be clean and free from burrs b Grease the end of the shaft and the impeller hub c Insert the key in the keyway of the shaft d Fit an appropriate number of adjusting washers on the shaft 2 Version co...

Page 45: ...90A 5 Check that the impeller can rotate easily 6 Version code 590 690 ST a Fold the washer over the nut WS001807A b Install the cover Maintenance Flygt 2075 Installation Operation and Maintenance Man...

Page 46: ...etely freely the friction will generate a lot of heat This can result in deformed wear parts a stuck impeller or damage to the pump The impeller clearance should be 0 2 0 3 mm 0 008 0 012 in when the...

Page 47: ...nst the diffuser 6 Back off all adjusting nuts another half turn counterclockwise The impeller clearance should be minimal when the impeller is tightened Use the adjusting washers to adjust the cleara...

Page 48: ...mpeller rotates freely The sensor indicators do not indicate an alarm The overload protection is not tripped If the problem still persists Contact the local sales and service representative The pump d...

Page 49: ...lace all defective items The stop level is set too low Raise the stop level If the problem persists contact the local sales and service representative Always state the serial number of your product se...

Page 50: ...in the stator is defective 1 Use an insulation tester With a 1000 V DC megger check that the insulation between the phases and between any phase and ground is 5 megohms 2 If the insulation is less Co...

Page 51: ...n correctly The impeller is difficult to rotate by hand Clean the impeller Clean out the sump Check that the impeller is properly trimmed The pipes are obstructed Clean out the pipes to ensure a free...

Page 52: ...pump For starting current see Motor data page 50 For other applications contact the local sales and service representative for information Motor data Feature Description Motor type Squirrel cage induc...

Page 53: ...0 12 59 400 12 50 440 11 56 500 9 4 46 550 8 4 55 3 phase 60 Hz Motor type 3 400 rpm Rated output 4 0 kW 5 4 hp Voltage V Rated current A Starting current A 200 17 73 220 15 82 230 15 58 400 8 3 37 44...

Page 54: ...5 35 1 500 5 6 28 550 5 2 31 1 000 2 9 14 Motor type 2 800 rpm Rated output 5 2 kW 7 0 hp Voltage V Rated current A Starting current A 220 19 3 99 380 11 2 57 400 10 6 27 415 10 2 27 440 9 7 28 5 500...

Page 55: ...65 mm 22 20 in 415 445 mm 16 30 17 50 in HT 565 mm 22 20 in 415 445 mm 16 30 17 50 in ST 575 mm 22 60 in 405 410 mm 15 90 16 10 in Table 4 Weight without motor cable MT HT 73 kg 161 lbs ST 90 kg 198 l...

Page 56: ...n 300 mm 11 81 in 380 mm 14 96 in Table 6 Weight without motor cable Version MT HT ST 2075 590 70 kg 154 32 lbs 70 kg 154 32 lbs 94 kg 207 23 lbs 2075 690 70 kg 154 32 lbs 70 kg 154 32 lbs 94 kg 207 2...

Page 57: ...10 20 30 40 50 60 70 80 0 2 4 6 MT HT ST MT 261 HT 263 ST 271 ST 272 ST 271 ST 272 HT 263 MT 261 HT 233 MT 231 HT 243 MT 241 HT 233 HT 243 MT 231 MT 241 WS006277A Technical Reference Flygt 2075 Instal...

Page 58: ...70 80 90 0 50 100 150 200 250 300 0 2 4 6 8 0 4 8 12 MT HT ST ST 272 MT 262 HT 264 ST 272 HT 264 MT 262 P2 hp kW H ft m HT 244 HT 234 MT 242 MT 232 HT 234 HT 244 MT 242 MT 232 Q l s usgpm WS006278A Te...

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Page 60: ...s factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise...

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