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Submersible Vortex Sewage Pump

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Summary of content (16 pages)

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Submersible Vortex Sewage Pump Model DVFU, DVFMU Operating Instructions, Installation & Maintenance Manual Ebara Fluid Handling Ebara International Corporation
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Contents Section Page Safety Information and Introduction ......................................................................................2 Specifications ........................................................................................................................2 Pump Checks ........................................................................................................................
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Pump Checks 1. Check the following points upon receipt of your pump: (1) Check the name plate to confirm that it is the pump ordered. (2) Ensure that the pump voltage is the same as the power at your location. (3) Check oil level at oil plug. (4) Check that all plugs and fastening bolts are properly tightened. (5) Check that the pump has not been damaged and the cable glands and cables are in a satisfactory condition.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Installation 2. Pump Installation warning When lifting the pump, use appropriate crane (or hoist) and lift system, check position and tightness of lift system so that weight of the pump is not UNbaLaNCED. Failure to observe this precaution can result in serious accidents. Handle the cables very carefully.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Installation 3. Electrical Wiring: warning Check that the power is locked off and disconnected before working on pump. all electrical work should be performed by a qualified electrician and all national and local electrical codes must be observed. (1) Wiring a) Wire as indicated for the appropriate start system as shown in Fig. 3. b) Loose connections will stop the pump. Make sure all electrical connections are secure.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Installation (2) Cable a) Never let the end of the cable contact water b) If the cable is extended, do not immerse the splice in water. c) Fasten the cable to the discharge piping with tape or vinyl strips. d) Install the cable so that it will not overheat. Overheating is caused by coiling the cable and exposing it to direct sunlight. (3) Grounding as shown in Fig. 4 ground the green wire (label E).
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Maintenance and Service 1. Daily inspections: (1) Check current and ammeter fluctuation daily. If ammeter fluctuation is great, even though within the limits of pump rating, foreign matter may be clogging the pump. If the quantity of liquid discharged falls suddenly, foreign matter may be blocking the suction inlet. 2. regular inspections: (1) Monthly inspections Measure the insulation resistance.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Troubleshooting Caution all service should be done by factory trained or qualified personnel only. trouble Does not start. Starts, but immediately stops. Operates, but stops after a while. Does not pump. Inadequate volume.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance 2 to 5HP 924 811 1 200 811 2 838 120 6 817 120 5 115 4 115 3 830 849 2 801 876 802 814 849 1 909 120 4 193 2 115 2 111 120 3 193 1 816 120 1 120 2 115 1 005 174 039 117 001 021 080 125 PART NO.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance 71/2 to 10HP 838 1 924 1 811 1 120 6 200 811 2 924 2 838 2 115 4 115 5 849 2 817 876 120 5 814 115 3 830 801 849 1 802 909 120 4 115 2 120 3 193 2 816 193 1 120 2 111 005 115 1 114 039 001 080 021 174 125 120 1 117 PART NO.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance 15 to 30HP 838 1 924 1 811 1 200 115 5 120 7 811 924 838 2 2 2 115 6 817 120 6 115 4 814 849 2 830 876 801 849 1 802 120 5 909 115 3 120 3 120 4 193 2 816 2 111 816 1 115 2 114 193 1 120 1 120 2 115 1 174 005 117 039 021 001 125 PART NO.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Maintenance and Service 6. Disassembly and assembly: Caution all service should be done by factory trained or qualified personnel only. be sure to cut off power source before beginning disassembly.
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DVFU / DVFMU Ebara Submersible Sewage Pumps Operating, Installation, and Maintenance Leakage Detector 1. Construction: Each switch has a magnet-containing float which senses the liquid level and magnetically actuates a dry reed switch encapsulated within a stem. The switch opens on rise of liquid. 2. Specifications • apply to 2 to 10HP breaking Capacity : aC50Va, DC50W Lead Wire Float Body (Polypropylene) Max. breaking Current : aC0.5a, DC0.5a Max.
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Ebara Submersible Sewage Pumps DVFU / DVFMU Operating, Installation, and Maintenance all specifications subject to change without notice.
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Ebara Submersible Sewage Pumps DVFU / DVFMU Operating, Installation, and Maintenance IV. SHIPPING DATES/FORCE MAJEURE The time for shipment given herein is approximate and is estimated from the date of receipt of order with complete manufacturing information and approval of drawings as may be necessary.
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Contact your dealer or supplier for more information about other Ebara products: Ebara Fluid Handling 1651 Cedar Line Drive • rock Hill, SC 29730 (803) 327-5005 (t) • (803) 327-5097 (f) www.pumpsebara.