Install the pump..........................14 Sedimentation prevention......................14 Discharge line requirements......................14 Fasteners............................15 Install with S-installation.........................15 Make the electrical connections......................16 General precautions........................16 Requirements..........................16 Cables..............................17 Earthing (Grounding)........................17 Earth (ground) conductor length....................17 Connect the motor cable to the pump..................17 Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 4
The pump delivers too little or no water..................48 Technical Reference..........................50 Application limits..........................50 Motor data............................50 Specific motor data: Version code 324 ..................50 Specific motor data: Version code 590/690 .................52 Dimensions and weights........................53 Performance curves..........................54 Flygt 2075 Installation, Operation, and Maintenance Manual...
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 2075 Installation, Operation, and Maintenance Manual...
Product warranty Coverage Xylem undertakes to remedy defects in products from Xylem under these conditions: • The faults are due to defects in design, materials, or workmanship. • The faults are reported to an local sales and service representative within the warranty period.
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 a Xylem representative before proceeding.
These are the personnel requirements for Ex-approved products in potentially explosive atmospheres: • All work on the product must be carried out by certified electricians and Xylem authorized mechanics. Special rules apply to installations in explosive atmospheres. • All users must know about the risks of electric current and the chemical and physical characteristics of the gas, the vapor, or both present in hazardous areas.
• 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.
• 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 2075 Installation, Operation, and Maintenance Manual...
• 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 2075 Installation, Operation, and Maintenance Manual...
The warm media (liquid) version has certain operational limitations, which are stated on a plate on the pump. For applicability, see Application limits (page 50). Particle size The pump can handle liquid containing particles that correspond to the holes in the strainer. Flygt 2075 Installation, Operation, and Maintenance Manual...
Curve code/Propeller code Serial number, see Product denomination (page 13) Product number Country of origin Additional information Phase; type of current; frequency Rated voltage Thermal protection Thermal class 10. Rated shaft power 11. International standard Flygt 2075 Installation, Operation, and Maintenance Manual...
13. Maximum ambient temperature 14. Serial number 15. ATEX marking Figure 2: EN WS001279B Approval Approval authority + approval number Approved for drive unit Stall time Starting current/Rated current Duty class Duty factor Flygt 2075 Installation, Operation, and Maintenance Manual...
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 2075 Installation, Operation, and Maintenance Manual...
For more permanent installations with a heavily contaminated pumped liquid, a settling pump-sump is recommended. Figure 4: Settling pump-sump Discharge line requirements The discharge line can be run vertically or horizontally, but must be without sharp bends. Flygt 2075 Installation, Operation, and Maintenance Manual...
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 23). Flygt 2075 Installation, Operation, and Maintenance Manual...
• 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 2075 Installation, Operation, and Maintenance Manual...
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 2075 Installation, Operation, and Maintenance Manual...
Page 20
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 separate fuse to protect any other automatic equipment. Flygt 2075 Installation, Operation, and Maintenance Manual...
Crimp isolation Leakage sensor Motor protector Stator leads (U1, U2, U5, U6, V1, V2, V5, V6, W1, W2, W5, W6, Z1, Z5, Z6) Color code standard Code Description Brown Black White Orange Green Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 22
Installation Code Description GNYE Green-Yellow Grey Blue Yellow Flygt 2075 Installation, Operation, and Maintenance Manual...
• If the motor has a 3-phase connection, then transpose two phase conductors and repeat this procedure from step 1. For 3-phase pumps with external starters or without built-in motor protection, the phases must be shifted on the output terminal of the starter. Flygt 2075 Installation, Operation, and Maintenance Manual...
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 2075 Installation, Operation, and Maintenance Manual...
Let the pump run for a while in clean water, or flush it through the discharge connection. Flygt 2075 Installation, Operation, and Maintenance Manual...
Regular inspection and service of the pump ensures more reliable operation. Service item Action Visible parts on Check that all screws, bolts, and nuts are properly tightened. the pump and Check the condition of lifting handles, eye bolts, ropes, chains, and wires. installation Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 30
Clean and adjust the equipment. 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 2075 Installation, Operation, and Maintenance Manual...
The oil housing may be pressurized. Hold a rag over the oil plug to prevent oil from spraying out. 4. Turn the pump so that the oil hole faces downwards and let the oil run out. Flygt 2075 Installation, Operation, and Maintenance Manual...
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 strainer: a) Remove the nuts (MT/HT) or screws (ST). Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 33
Remove the strainer. WS001786A 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. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 34
Maintenance 4. Remove the diffuser ring (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. Flygt 2075 Installation, Operation, and Maintenance Manual...
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. Remove the strainer: a) Remove the nuts and washers. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 36
Maintenance WS001818A b) Remove the strainer. WS001802A 3. Remove the lower diffuser: a) Knock back the folded washers. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 37
Maintenance WS001797A b) Remove the nuts and washers. WS001803A c) Remove the diffuser. WS001801A Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 38
Maintenance 4. Remove the diffuser ring: a) Knock back the folded washer. WS001796A b) Remove the studs and the washers. WS001804A c) Remove the diffuser ring: Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 39
5. Remove the impeller: a) Lock the 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. Flygt 2075 Installation, Operation, and Maintenance Manual...
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. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 41
Maintenance WS001816A 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. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 42
Maintenance WS001809A 5. Remove the impeller: 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. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 43
Maintenance WS001812A 6. Remove the nuts and washers. WS001814A 7. Knock off the pump housing. Use a plastic hammer. Flygt 2075 Installation, Operation, and Maintenance Manual...
Fit an appropriate number of adjusting washers on the shaft. 2. Version code 324, ST: Fit the lockwasher. 3. Fit the impeller onto the shaft. Check that the impeller is firmly seated. 4. Tighten the impeller nut. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 45
Maintenance WS001790A 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. Flygt 2075 Installation, Operation, and Maintenance Manual...
0.3 mm (0.01 in.). This is because the rubber lining swells slightly at high temperatures. 1. Version code 324: Install the diffuser ring. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 47
The impeller clearance should be minimal when the impeller is tightened. Use the adjusting washers to adjust the clearance. WS001806A 7. Check that the impeller can rotate easily. 8. Version code 590 and 690: Lock the nuts with tab washers. 9. Install the strainer. Flygt 2075 Installation, Operation, and Maintenance Manual...
• 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 2075 Installation, Operation, and Maintenance Manual...
• Whether the voltage drop in the line at the starting surge causes the contactor's self-holding malfunction. If the problem persists, contact the local sales and service representative. Always state the serial number of your product, see Product Description (page 10). Flygt 2075 Installation, Operation, and Maintenance Manual...
(page 10). The pump delivers too little or no water WARNING: Always disconnect and lock out power before servicing to prevent unexpected startup. Failure to do so could result in death or serious injury. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 51
• Depending on the installation type, add a means for priming the pump, such as a foot valve. If the problem persists, contact the local sales and service representative. Always state the serial number of your product, see Product Description (page 10). Flygt 2075 Installation, Operation, and Maintenance Manual...
±10%, provided that it does not run continuously at full load overheating Voltage imbalance tolerance Stator insulation class F (155°C [310°F]) Specific motor data: Version code 324 3-phase, 50 Hz Motor type: • 2,800 rpm • Rated output 3.7 kW (5.0 hp) Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 53
• Rated output 4.0 kW (5.4 hp) Voltage (V) Rated current (A) Starting current (A) Motor type: • 3,300 rpm • Rated output 6.6 kW (8.8 hp) Voltage (V) Rated current (A) Starting current (A) Flygt 2075 Installation, Operation, and Maintenance Manual...
415–445 mm (16.30–17.50 in.) 565 mm (22.20 in.) 415–445 mm (16.30–17.50 in.) 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) 90 kg (198 lbs) Flygt 2075 Installation, Operation, and Maintenance Manual...
70 kg (154.32 lbs) 94 kg (207.23 lbs) 2075.690 70 kg (154.32 lbs) 70 kg (154.32 lbs) 94 kg (207.23 lbs) Performance curves Test standard Pumps are tested in accordance with ISO 9906, HI level A. Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 57
HT 243 MT 231 MT 241 MT 261 HT 263 H [m] MT, HT, ST ST 271 ST 272 HT 263 HT 233 MT 231 MT 261 HT 243 MT 241 Q [l/s] Flygt 2075 Installation, Operation, and Maintenance Manual...
Page 60
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...