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Xylem Flygt 2125, Installation, Operation And Maintenance Manual, Page: 32 / 62

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Xylem Flygt 2125 Installation, Operation And Maintenance Manual Download Page 32

4. Put the oil screw back and tighten it.

Tightening torque: 10–40 Nm (7.4–30 ft-lbs)

Replace the impeller

Remove the impeller

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 items in the illustrations:

a) Remove the nuts and the strainer.

WS001310A

b) Remove the nuts and the suction cover.

Maintenance

30

Flygt 2125 Installation, Operation, and Maintenance Manual

Summary of Contents for Flygt 2125

Page 1: ...Flygt 2125 Installation Operation and Maintenance Manual...

Page 2: ......

Page 3: ...ature ranges for transportation handling and storage 9 Handling at freezing temperature 9 Unit in as delivered condition 10 Lifting the unit out of liquid 10 Storage guidelines 10 Storage location 10...

Page 4: ...26 Torque values 26 Service 27 Inspection 27 Major overhaul 29 Change the oil 29 Empty the oil 29 Fill with oil 29 Replace the impeller 30 Remove the impeller 30 Install the impeller 32 Troubleshootin...

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: ...resentative When you install or maintain explosion proof products always comply with the directive and applicable standards for example IEC EN 60079 14 Permitted liquid level for ATEX ATEX approved pr...

Page 10: ...r an MSHA assigned identification number and be adequately protected by an automatic circuit interrupting device Special care must be taken in handling the cable to avoid mechanical damage and wear Op...

Page 11: ...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 12: ...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 13: ...limits given in Application limits page 38 If there is a question regarding the intended use of the equipment please contact a local sales and service representative before proceeding WARNING In explo...

Page 14: ...oval plate 2 13 12 14 22 21 20 17 18 19 16 15 9 10 11 8 7 6 5 4 3 1 23 24 WS006257A 1 Curve code Propeller code 2 Serial number see Product denomination page 14 3 Product number 4 Country of origin 5...

Page 15: ...itional information 13 Maximum ambient temperature 14 Serial number 15 ATEX marking Figure 2 EN WS001279B 2 1 8 7 6 3 4 5 9 10 11 12 13 1 Approval 2 Approval authority approval number 3 Approved for d...

Page 16: ...e 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 WS006262A 1 Sales denomination 2 Version Seri...

Page 17: ...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 18: ...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 19: ...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 20: ...le is jerked loose by mistake the earth ground conductor should be the last conductor to come loose from its terminal Make sure that the earth ground conductor is longer than the phase conductors This...

Page 21: ...Thermal contacts must never be exposed to voltages higher than 250 V breaking current maximum 6 A at a power factor 0 6 It is recommended that the thermal contacts are connected to 24 V over a separat...

Page 22: ...rimp isolation 23 Leakage sensor 12 Motor protector 24 Stator leads U1 U2 U5 U6 V1 V2 V5 V6 W1 W2 W5 W6 Z1 Z5 Z6 Color code standard Code Description BN Brown BK Black WH White OG Orange GN Green GNYE...

Page 23: ...320 2125 690 2125 690 TERMINAL BOARD D CONNECTION TERMINAL BOARD Y SERIAL CONNECTION L1 U1 U5 V1 V5 W1W5 Red Yellow Brown Red Yellow Brown L3 L2 U2 V2 W2 Green Blue Black U1 U5 V5 V1 W1 W5 U1 U5 V1 V5...

Page 24: ...W1 W1 W1 W1 W5 W W1 W5 6 leads Y 6 leads Y D STATOR LEADS AND THERMAL CONTACTS U2 W2 V2 W2 U2 V2 GC MOTOR CABLE CONNECTION TO TERMINALBOARD 3 PH 7GA 2x1 5 BK 3 BK 1 BK 2 BK 6 BK 4 BK 5 T1 WH T2 WH GNY...

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 5 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: ...er 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 that the impeller can be rotated fr...

Page 28: ...sembly always remember to perform these tasks Clean all parts thoroughly particularly O ring grooves Change all O rings gaskets and seal washers Lubricate all springs screws and O rings with grease Du...

Page 29: ...ce a year Major overhaul To secure a long operating lifetime for the product It includes replacement of key components and the measures taken during an inspection Every year under normal operating con...

Page 30: ...oil in the inspection chamber then check that the inner mechanical seal is not damaged If necessary contact an authorized service shop 5 If there is water in the inspection chamber then do the follow...

Page 31: ...ck the pump with supports to prevent it from rolling over 2 Remove the oil screw There are two oil screws Either screw can be used for drainage but it is easier to drain the oil if both oil screws are...

Page 32: ...er 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 items in the illustrations a Remove the nuts and the strainer WS...

Page 33: ...ts and the diffuser WS001313A 3 Remove the impeller a Lock the impeller to prevent rotation Use pliers a screwdriver or similar b Remove the impeller nut Maintenance Flygt 2125 Installation Operation...

Page 34: ...are the shaft a Polish off any flaws with a fine emery cloth The end of the shaft must be clean and free from burrs b Grease the end of the shaft c Insert the key in the keyway of the shaft d Fit an a...

Page 35: ...uction cover against the impeller The impeller clearance should be minimal when the impeller is tightened Use the inner nuts to adjust the clearance b Place the nuts on the studs Tighten the nuts even...

Page 36: ...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 37: ...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 38: ...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 39: ...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 40: ...and service representative for information Motor data Feature Description Motor type Squirrel cage induction motor Frequency 50 or 60 Hz Standard version 50 or 60 Hz MSHA version 60 Hz Supply 3 phase...

Page 41: ...Hz Motor type 3 465 rpm Rated output 9 7 kW 13 hp Voltage V Rated current A Starting current A 208 D 35 247 220 D 33 264 220 Y parallel 33 243 230 D 32 278 230 Y parallel 32 256 260 D 28 216 380 D 19...

Page 42: ...0 Y 6 2 49 Version code 320 3 phase 60 Hz Motor type 3 465 rpm Rated output 9 7 kW 13 hp Voltage V Rated current A Starting current A 220 Y parallel 33 243 230 Y parallel 32 256 260 D 28 216 380 D 19...

Page 43: ...40 D 15 121 500 D 12 98 550 D 11 80 660 Y 9 1 65 690 Y 8 9 69 1000 Y 6 2 49 Version code 690 3 phase 60 Hz Motor type 3 465 rpm Rated output 9 7 kW 13 hp Voltage V Rated current A Starting current A 2...

Page 44: ...ns and weights All measurements in the illustrations are in millimeters if not otherwise specified Figure 6 Version code 181 HT Technical Reference 42 Flygt 2125 Installation Operation and Maintenance...

Page 45: ...Figure 7 Version code 320 HT Technical Reference Flygt 2125 Installation Operation and Maintenance Manual 43...

Page 46: ...Figure 8 Version code 320 MT Technical Reference 44 Flygt 2125 Installation Operation and Maintenance Manual...

Page 47: ...Figure 9 Version code 051 HT Technical Reference Flygt 2125 Installation Operation and Maintenance Manual 45...

Page 48: ...Figure 10 Version code 690 SH Performance curves Test standard Pumps are tested in accordance with ISO 9906 HI level A Technical Reference 46 Flygt 2125 Installation Operation and Maintenance Manual...

Page 49: ...125 181 Q l s H m 2 P kW 0 2 4 6 8 10 12 14 16 0 10 20 30 40 50 60 70 4 6 8 HT 233 234 233 234 WS006279A Figure 11 50 Hz Technical Reference Flygt 2125 Installation Operation and Maintenance Manual 47...

Page 50: ...0 150 200 250 300 0 10 20 30 40 50 60 70 0 50 100 150 200 250 5 6 7 8 9 10 6 8 10 12 14 HT 234 234 P2 hp kW H ft m Q l s usgpm WS006280A Figure 12 60 Hz Technical Reference 48 Flygt 2125 Installation...

Page 51: ...2125 320 Q l s H m 2 P kW 0 2 4 6 8 10 12 14 16 18 0 10 20 30 40 50 60 5 6 7 8 HT 233 233 WS006281A Figure 13 HT 50 Hz Technical Reference Flygt 2125 Installation Operation and Maintenance Manual 49...

Page 52: ...00 250 300 350 0 10 20 30 40 50 60 70 0 50 100 150 200 250 6 8 10 6 8 10 12 14 16 HT 234 234 P2 hp kW H ft m Q l s usgpm WS006282A Figure 14 HT 60 Hz Technical Reference 50 Flygt 2125 Installation Ope...

Page 53: ...Q l s H m 2 P kW 0 10 20 30 40 50 0 5 10 15 20 25 7 0 7 5 8 0 8 5 9 0 MT 231 231 WS006283A Figure 15 MT 50 Hz Technical Reference Flygt 2125 Installation Operation and Maintenance Manual 51...

Page 54: ...0 500 600 700 800 900 0 5 10 15 20 25 30 0 20 40 60 80 100 9 10 11 11 12 13 14 15 16 MT P2 hp kW H ft m 232 232 Q l s usgpm WS006284A Figure 16 MT 60 Hz Technical Reference 52 Flygt 2125 Installation...

Page 55: ...25 690 Q l s H m 2 P kW 0 2 4 6 8 10 12 14 16 18 0 10 20 30 40 50 60 4 6 8 HT 233 233 234 234 WS006285A Figure 17 HT 50 Hz Technical Reference Flygt 2125 Installation Operation and Maintenance Manual...

Page 56: ...00 250 300 350 0 10 20 30 40 50 60 70 0 50 100 150 200 250 6 8 10 6 8 10 12 14 16 HT 234 234 P2 hp kW H ft m Q l s usgpm WS006286A Figure 18 HT 60 Hz Technical Reference 54 Flygt 2125 Installation Ope...

Page 57: ...Q l s H m 2 P kW 0 10 20 30 40 50 0 5 10 15 20 25 5 6 7 8 9 MT 232 232 231 231 WS006287A Figure 19 MT 50 Hz Technical Reference Flygt 2125 Installation Operation and Maintenance Manual 55...

Page 58: ...0 500 600 700 800 900 0 5 10 15 20 25 30 0 20 40 60 80 100 9 10 11 11 12 13 14 15 16 MT P2 hp kW H ft m 232 232 Q l s usgpm WS006288A Figure 20 MT 60 Hz Technical Reference 56 Flygt 2125 Installation...

Page 59: ...Q l s H m 2 P kW 0 2 4 6 8 10 12 14 16 0 10 20 30 40 50 60 70 80 8 9 10 ST 253 253 WS006289A Figure 21 ST Technical Reference Flygt 2125 Installation Operation and Maintenance Manual 57...

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Page 62: ...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 b...

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