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Xylem Flygt 2250 Installation, Operation And Maintenance Manual

Xylem Flygt 2250 Installation, Operation And Maintenance Manual

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Installation,
Operation, and
Maintenance Manual
Flygt 2250

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Summary of Contents for Xylem Flygt 2250

  • Page 1 Installation, Operation, and Maintenance Manual Flygt 2250...
  • Page 3: Table Of Contents

    Earth (ground) conductor length....................15 Connect the motor cable to the pump..................15 Cable charts............................17 Connection locations........................17 Color code standard........................18 View of terminal board and sensor connections................19 Motor cable, stator leads and thermal contacts connection to terminal board.....20 Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 4 The pump starts-stops-starts in rapid sequence................33 The pump runs but the motor protection trips................34 The pump delivers too little or no water..................34 Technical Reference..........................36 Application limits..........................36 Motor data............................36 Specific motor data...........................36 Dimensions and weights........................37 Performance curves..........................38 Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 5: Introduction And Safety

    A hazardous situation which, if not avoided, could result WARNING: in death or serious injury A hazardous situation which, if not avoided, could result CAUTION: in minor or moderate injury Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 6: Product Warranty

    • All service and repair work is done by Xylem-authorized personnel. • Genuine Xylem parts are used. • Only Ex-approved spare parts and accessories authorized by Xylem are used in Ex- approved products. Limitations The warranty does not cover defects caused by these situations: •...
  • Page 7: Spare Parts

    This includes any modification to the equipment or use of parts not provided by Xylem. If there is a question regarding the intended use of the equipment, please contact an Xylem representative before proceeding.
  • Page 8: Hazardous Liquids

    • Clean up all spills in accordance with safety and environmental procedures. • Report all environmental emissions to the appropriate authorities. WARNING: Do NOT send the product to the Xylem manufacturer if it has been contaminated by any nuclear radiation. Inform Xylem so that accurate actions can take place. Electrical installation For electrical installation recycling requirements, consult your local electric utility.
  • Page 9: Transportation And Storage

    • Do not attach sling ropes to shaft ends. Temperature ranges for transportation, handling and storage Handling at freezing temperature At temperatures below freezing, the product and all installation equipment, including the lifting gear, must be handled with extreme care. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 10: Unit In As-Delivered Condition

    • Before operating the unit after storage, it must be inspected with special attention to the seals and the cable entry. • The impeller/propeller must be rotated every other month to prevent the seals from sticking together. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 11: Product Description

    Application limits (page 36). If there is a question regarding the intended use of the equipment, please contact an Xylem representative before proceeding. WARNING: In explosive or flammable environments, only use Ex- or MSHA-approved pumps.
  • Page 12: The Data Plate

    The sales denomination consists of the four-digit sales code and two letters that indicate the hydraulic end and type of installation. This is an example of a sales denomination, and an explanation of its parts. NP 3085 Hydraulic part Installation type Sales code Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 13 The serial number is used for identification of an individual product, and is divided into four parts. This is an example of a serial number, and an explanation of its parts. NP 3085.183 - 951 0163 Product code Production year Production cycle Running number Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 14: Installation

    For more permanent installations with a heavily contaminated pumped liquid, a settling pump-sump is recommended. Figure 2: Settling pump-sump Discharge line requirements The discharge line can be run vertically or horizontally, but must be without sharp bends. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 15: Fasteners

    5. Connect the motor cable and the starter and monitoring equipment according to the separate instructions. Make sure that the impeller rotation is correct. For more information, see Check the impeller rotation (page 21). Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 16: Make The Electrical Connections

    • The fuse rating and the cables must be in accordance with the local rules and regulations. • If intermittent operation is prescribed, then the pump must be provided with monitoring equipment supporting such operation. • The thermal contacts/thermistors must be in use. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 17: Cables

    Connect the motor cable to the pump CAUTION: Leakage into the electrical parts can cause damaged equipment or a blown fuse. Keep the end of the motor cable above the liquid level. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 18 7. Fasten the nuts and the gland nut on the entrance flange so that the cable insertion assembly bottoms out. After you have connected the motor cable to the pump, connect the motor cable and the control cable to the starter equipment. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 19: Cable Charts

    Thermal detector in main bearing Pump Jumper Crimp connection Terminal board, terminal plate Crimp isolation Leakage sensor Motor protector Stator leads (U1, U2, U5, U6, V1, V2, V5, V6, W1, W2, W5, W6, Z1, Z5, Z6) Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 20: Color Code Standard

    Installation Color code standard Code Description Brown Black White Orange Green GNYE Green-Yellow Grey Blue Yellow Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 21: View Of Terminal Board And Sensor Connections

    MAX 10A, cos =1 MAX 2,5V THERMAL DETECTOR IN MAIN BEARING ALT. CONNECTION AT 2 LEADER PILOT CABLE THERMAL MAX 2,5V DETECTORS IN STATOR THERMAL D (DELTA) Y (STAR) DETECTOR IN JUMPERS JUMPERS MAIN BEARING Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 22: Motor Cable, Stator Leads And Thermal Contacts Connection To Terminal Board

    W1 W5 W1 V6 W1 W5 U2,U6 U6 V6 W6 W2 W6 V1,V5 U2 U6 V2,V6 U2 V2 W2 V2 V6 W1,W5 ALT. T1 W2,W6 ALT. T2 T1,T2 WH/YE ALT. T3, T4 ALT. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 23: Check The Impeller Rotation

    When started, the pump will react in the opposite direction to the impeller rotation. Figure 4: Start reaction 8. If the impeller rotates in the wrong direction, then transpose two phase leads and repeat this procedure from step 1. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 24: Operation

    Make sure that you understand the noise level requirements in the environment where the pump is installed. Failure to do so may result in hearing loss or violation of local laws. Start the pump Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 25: Clean The Pump

    Let the pump run for a while in clean water, or flush it through the discharge connection. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 26: Maintenance

    115 (84.8) 248 (183) 481 (355) — — Table 2: Steel, torque Nm (ft-lbs) Property class 2.9 (2.1) 5.7 (4.2) 9.8 (7.2) 24 (18) 47 (35) 81(60) 194 (143) 385 (285) 665 (490) 1310 (966.2) Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 27: Service

    Adjust and/or replace if necessary. Pipes, valves, Check for worn or damaged parts. and other Adjust and/or replace if necessary. peripheral equipment Pump casing and Check for worn or damaged parts. impeller Adjust and/or replace if necessary. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 28 If the resulting value is < 1 megohm, then contact an authorized service shop. Regardless of individual applications, the inspection chamber should not be inspected less frequently than the intervals for normal applications and operating conditions at media (liquid) temperatures <40°C (104°F). Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 29: Major Overhaul

    The oil housing may be pressurized. Hold a rag over the oil plug to prevent oil from spraying out. 3. Turn the pump so that the oil hole faces downwards and let the oil run out. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 30: Fill With Oil

    1. Prepare 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) Clean and oil all sealing surfaces and O-rings. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 31: Adjust The Impeller

    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 impeller is tightened. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 32: Replace The Diffuser

    Unscrew the nuts and remove the washers. b) Pull off the wear protection and the upper diffuser. c) Remove the O-ring. WS001834A 2. Clean the O-ring and its sealing surfaces carefully prior to installing the O-ring. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 33 Maintenance WS001832A 3. Install the upper diffuser by reassembling in the reverse order to disassembly. More extensive repairs require special tools and should be carried out by an authorized service technician. Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 34: Troubleshooting

    • All fuses have power and that they are securely fastened to the fuse holders. • The overload protection is not tripped. • The motor cable is not damaged. The impeller is stuck. Clean: Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 35: The Pump Does Not Stop When A Level Sensor Is Used

    • The impeller • The sump in order to prevent the impeller from clogging again. If the problem persists, contact the local Xylem service shop. Always state the serial number of your pump when you contact Xylem, see Product Description (page 9).
  • Page 36: The Pump Runs But The Motor Protection Trips

    There is a malfunction in the Replace the overload protection. overload protection. If the problem persists, contact the local Xylem service shop. Always state the serial number of your pump when you contact Xylem, see Product Description (page 9).
  • Page 37 • Depending on the installation type, add a means for priming the pump, such as a foot valve. If the problem persists, contact the local Xylem service shop. Always state the serial number of your pump when you contact Xylem, see Product Description (page 9).
  • Page 38: Technical Reference

    For specific weight, current, voltage, power rating, and speed of the pump, see the data plate on the pump. For starting current, see Motor data (page 36). For other applications, contact the nearest Xylem representative for information. Motor data Feature Description...
  • Page 39: Dimensions And Weights

    Starting current (A) 200 D 1,100 220 D 1,200 380 Y 440 Y 440 D 460 D 575 D Dimensions and weights Table 3: Dimensions 1,144 mm (45 in.) 771 mm (30.35 in.) Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 40: Performance Curves

    H [m] / [ft] H [m] 1000 2000 3000 4000 5000 Q [usgpm] / [l/s] 120 160 200 240 280 Figure 6: 60 Hz, 1,770 rpm Q [l/s] Figure 5: 50 Hz, 1,470 rpm Flygt 2250 Installation, Operation, and Maintenance Manual...
  • Page 42 For more information on how Xylem can help you, go to xyleminc.com Xylem Water Solutions AB Visit our Web site for the latest version of this document and more information Gesällvägen 33...

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2250.011

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