Xylem FLYGT P7030 Series Installation, Operation And Maintenance Manual

Xylem FLYGT P7030 Series Installation, Operation And Maintenance Manual

Table of Contents

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Installation, Operation, and
Maintenance Manual
882901_15.0
P7030, P7035, P7040

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Summary of Contents for Xylem FLYGT P7030 Series

  • Page 1 Installation, Operation, and Maintenance Manual 882901_15.0 P7030, P7035, P7040...
  • Page 3: Table Of Contents

    Table of Contents Table of Contents 1 Introduction and Safety......................4 1.1 Introduction........................4 1.2 Safety terminology and symbols..................4 1.3 User safety........................5 1.4 Ex-approved products....................5 1.5 Special hazards......................7 1.5.1 Biological hazards....................7 1.5.2 Wash the skin and eyes..................7 1.6 Protecting the environment....................7 1.7 End of life product disposal...................
  • Page 4 Table of Contents 4.1.2 Falling........................26 4.2 Cables......................... 27 4.3 Requirements for the cable handling system.............. 29 4.4 Install the diffuser adapter................... 30 4.5 Install the pump......................32 4.6 Make the electrical connections.................. 37 4.6.1 General precautions....................37 4.6.2 Grounding (earthing) ....................38 4.6.3 Cable entry parts....................39 4.6.4 Prepare the SUBCAB ™...
  • Page 5 Table of Contents 7.3 The pump does not stop when a level sensor is used..........81 7.4 The pump starts-stops-starts in rapid sequence............81 7.5 The pump runs but the motor protection trips..............82 7.6 The pump delivers too little or no water...............83 8 Technical Reference......................
  • Page 6: Introduction And Safety

    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.
  • Page 7: User Safety

    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.
  • Page 8 • Do not modify the equipment without approval from an Ex-approved Xylem representative. • Only use original Xylem spare parts that are provided by an Ex-approved Xylem representative. • The thermal contacts that are fitted to the stator windings must be connected correctly to a separate motor control circuit and in use.
  • Page 9: Special Hazards

    • Clean-up of spills Exceptional sites CAUTION: Radiation Hazard Do NOT send the product to Xylem if it has been exposed to nuclear radiation, unless Xylem has been informed and appropriate actions have been agreed upon. 1.7 End of life product disposal Handle and dispose of all waste in compliance with local laws and regulations.
  • Page 10: Spare Parts

    1 Introduction and Safety To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate these items from other types of waste and recycle them responsibly to promote the sustainable reuse of material resources. Waste from electrical and electronic equipment can be returned to the producer or distributor.
  • Page 11: Transportation And Storage

    2 Transportation and Storage 2 Transportation and Storage 2.1 Examine the delivery 2.1.1 Examine the package 1. Examine the package for damaged or missing items upon delivery. 2. Record any damaged or missing items on the receipt and freight bill. 3.
  • Page 12: Temperature Ranges For Transportation, Handling And Storage

    • The minimum height between the lifting hook and the floor must be sufficient to lift the unit. Contact a Xylem representative for more information. • The lifting equipment must be able to hoist the unit straight up and down, preferably without the need for resetting the lifting hook.
  • Page 13: Storage Guidelines

    2 Transportation and Storage 2.4 Storage guidelines Storage location The product must be stored in a covered and dry location free from heat, dirt, and vibrations. NOTICE: Protect the product against humidity, heat sources, and mechanical damage. NOTICE: Do not place heavy weights on the packed product. Long-term storage If the unit is stored for more than six months, then the following apply: •...
  • Page 14: Product Description

    84. If there is a question regarding the intended use of the equipment, then contact a Xylem representative before proceeding. DANGER: Explosion/Fire Hazard Special rules apply to installations in explosive or flammable atmospheres. Do not install the product or any auxiliary equipment in an explosive zone unless it is rated explosion-proof or intrinsically-safe.
  • Page 15: Parts

    3 Product Description 3.3 Parts Figure 1: Section view, top view and exploded view of hydraulic parts. Position Part Description Terminal board Support bearing Two-row ball bearing Shaft Stainless steel, with an integrated rotor Rotor Main bearings Two-row angular contact ball bearing in O-arrangement Mechanical seals Inner and outer mechanical seals –...
  • Page 16: Monitoring Equipment

    • Modifications to the unit or installation should only be carried out after consulting with Xylem. • Original spare parts and accessories that are authorized by Xylem are essential for compliance. The use of other parts can invalidate any claims for warranty or compensation.
  • Page 17: Fls: Float Switch Sensor

    3 Product Description 1. Pump electronic module (PEM) 2. Combined power and signal cable 3. Base unit (BU) 4. Central unit (CU) 5. Human-machine interface FOP 402 Figure 2: MAS 801 MAS 801 features include the following: • Eight standard pump sensors ®...
  • Page 18: Bearing Temperature Measurement

    3 Product Description 3.5.4 Bearing temperature measurement Pt100 sensors monitor the bearing temperatures to protect the pump from the consequences of a bearing failure. Main bearing Main bearing temperature monitoring is standard in the MAS 711 and MAS 801. Support bearing Support bearing temperature monitoring is an option in the MAS 711 and MAS 801.
  • Page 19: Pump Current And Power Monitoring

    3 Product Description Table 4: Pt100 sensor Description Measured value Fault values The Pt100 sensor Resistance: > 200 ohm (approximate) can indicate is a resistor the following situations: • 100 ohm at 0ºC (32ºF) changing value • Broken sensor • 107.79 ohm at room temperature almost linearly with (20ºC, 68ºF) •...
  • Page 20: Mas 711

    3 Product Description • Analogue temperature sensor (Pt100) for support bearing temperature monitoring • Pump memory 3.6.1 MAS 711 With MAS 711, a base unit and a display unit are required for each pump. 1. Separate cables for signal and power 2.
  • Page 21: Stator Temperature Monitoring Methods

    3 Product Description Table 7: Pt100 sensor Description Measured value Fault values The Pt100 sensor Resistance: > 200 ohm (approx.) can indicate the is a resistor following situations: • 100 ohm at 0ºC (32ºF) changing value • Broken sensor • 107.79 ohm at room temperature almost linearly with (20ºC, 68ºF) •...
  • Page 22: Pump Memory

    3 Product Description By using an analogue sensor, two adjustable alarm limits can be used, one for warning (“B”- alarm) and one for pump stop (“A”-alarm). 3.6.4 Pump memory The pump memory is located inside the junction box of the pump. The memory is loaded with data from the factory, which is then uploaded to the MAS system at first start-up.
  • Page 23 3 Product Description Diffuser adapter The diffuser adapter is lowered into the column before the pump is installed. No fastening is needed. Pump Diameter of Existing Column, mm Adapter Part Number (in) 7030 800 (31.5) 769 73 21 700 (27.6) 769 73 20 7035 Long motor...
  • Page 24: The Data Plate

    3 Product Description 3.9 The data plate The data plate is a metal label that is located on the main body of the products. The data plate lists key product specifications. Specially approved products also have an approval plate. 1. Curve code or Propeller code 2.
  • Page 25 3 Product Description Pump Approval • IECEx scheme • IEC 60079-0:2011, IEC 60079-1:2014; IEC 80079-36:2016; IEC 80079-37:2016 • Ex db h IIB T3 Gb FM (FM Approvals) • Explosion proof for use in Class I, Div. 1, Group C and D •...
  • Page 26: Product Denomination

    3 Product Description 1. Temperature class 2. Maximum ambient temperature WS003973A CSA approval plate This illustration describes the CSA approval plate and the information that is contained in its fields. 1. Temperature class 3.12 Product denomination Reading instruction In this section, code characters are illustrated accordingly: X = letter Y = digit The different types of codes are marked up with a, b and c.
  • Page 27 3 Product Description Type of Callout Number Indication Production cycle Running number P7030, P7035, P7040 Installation, Operation, and Maintenance Manual...
  • Page 28: Installation

    4 Installation 4 Installation 4.1 Precautions Before starting work, make sure that the safety instructions have been read and understood. DANGER: Electrical Hazard Before starting work on the unit, make sure that the unit and the control panel are isolated from the power supply and cannot be energized.
  • Page 29: Cables

    4 Installation • Use appropriate personal protection equipment when working in or near open basins, shafts, or trenches. 1. Fall protection harness 2. Anchoring point • Make sure that all safety guards are in place and secure, and that there is a suitable barrier around the work area.
  • Page 30 4 Installation Figure 6: Kinked cable Figure 7: Pinched cable • If the outer jacket of the cable is damaged, then replace the cable. • The cable must not be damaged and must not have indentations or be embossed at the cable entry.
  • Page 31: Requirements For The Cable Handling System

    4 Installation 4.3 Requirements for the cable handling system Cable system overview When the pump is installed in a discharge tube, it is critically important that a correct cable support and protection system is used. Correct cable support is especially important with long cables and closed discharge tubes.
  • Page 32: Install The Diffuser Adapter

    Instructions for installing the Flygt Lift & Cable Handling System are given in the document "Installation, Operation and Maintenance, Flygt Lift & Cable Handling System". For more information, contact your local Xylem representative. 4.4 Install the diffuser adapter Necessary equipment: •...
  • Page 33 4 Installation This procedure is only required when a diffuser adapter is used to adapt a wider column pipe Column adapters to a more narrow pump. See on page 20. 1. Put the two lifting hooks through the triangular holes of the adapter, from the inside. 2.
  • Page 34: Install The Pump

    Install the pump. See on page 32. 4.5 Install the pump Consult the nearest Xylem representative regarding the following topics: • Sizing of the pump, piping station, and access frame • Choice of auxiliary equipment • Other aspects of installation DANGER: Explosion/Fire Hazard Special rules apply to installations in explosive or flammable atmospheres.
  • Page 35 4 Installation WARNING: Crush Hazard Make sure that the unit cannot roll or fall over and injure people or damage property. NOTICE: Do not run the pump dry. NOTICE: Never force piping to make a connection with a pump. The pump is usually installed in a vertical discharge tube on a pump seat, which is incorporated in the lower end of the tube.
  • Page 36 4 Installation 1. Discharge column 2. Antirotation gusset (stop vanes) 3. Pump seat 4. Anti-rotation device on hydraulic end Figure 9: Without adapter, with flange adapter, and with diffuser adapter When the pump is installed in a discharge tube, the following must be considered: •...
  • Page 37 4 Installation 5. After cable preparation, lower the pump into the pump column. Make sure that the pump does not tilt on the stop vanes, which are at the bottom of the column. Correct Incorrect 6. Lower the pump to its bottom position, at the same time carefully moving it back and forth between the nearest anti-rotation gusset.
  • Page 38 4 Installation Figure 10: Lower the pump while moving between anti-rotation gussets 7. Lift the pump slightly again, approximately 2–3 cm (1 in). Turn it counterclockwise until the anti-rotation device on the hydraulic end lands against the nearest adjacent vanes. Figure 11: Turn the pump until the anti-rotation device is in place.
  • Page 39: Make The Electrical Connections

    4 Installation Figure 12: Lower the pump to its final bottom position. A generic propeller pump is shown. 9. If the recommended cable handling system is used, then follow the instructions to finish the cable connection. See the document "Installation, Operation and Maintenance, Flygt Lift and Cable Handling System."...
  • Page 40: Grounding (Earthing)

    4 Installation WARNING: Crush Hazard Risk of automatic restart. CAUTION: Electrical Hazard Prevent cables from becoming sharply bent or damaged. NOTICE: Leakage into the electrical parts can cause damaged equipment or a blown fuse. Keep the cable ends dry at all times. Requirements These general requirements apply for the electrical installation: •...
  • Page 41: Cable Entry Parts

    4 Installation WARNING: Electrical Hazard Risk of electrical shock or burn. You must connect an additional ground- (earth-) fault protection device to the grounded (earthed) connectors if persons are likely to come into contact with liquids that are also in contact with the pump or pumped liquid. 4.6.3 Cable entry parts Position Part...
  • Page 42 4 Installation The prepared SUBCAB ™ cable The prepared screened SUBCAB ™ cable, without cable lugs 1. T1+T2 twisted pairs in control element 2. Drain wire in control element (tinned copper strands) with shrink tube 1. T1+T2 and T3+T4 twisted pairs in control element 3.
  • Page 43: Connect The Cables: Standard Pumps With Mas 801

    4 Installation Leave a short piece uncovered. d) Check that the connected ground (earth) conductor has sufficient slack. The conductor must stay connected even if the power conductors are pulled loose. 5. Prepare the power conductors: a) Remove the aluminum foil around each power conductor. b) Peel the insulation from each power conductor.
  • Page 44: Connect The Cables: Ex-Proof Pumps With Mas 801

    4 Installation 8. Install the entrance cover and the O-ring on the stator housing. 9. Fasten the screws on the entrance flange so that the cable insertion assembly bottoms out. 10. Connect the SUBCAB cable phase leads to the starter equipment according to the Power cable phase sequence diagram in on page 47.
  • Page 45 4 Installation For Ex-proof applications, the stator winding temperature sensors are not connected to terminals 51 and 63 on the PEM. They are connected to the T3 and T4 terminals on the separate plinth. NOTICE: Leakage into the electrical parts can cause damaged equipment or a blown fuse. Keep the end of the motor cable dry at all times.
  • Page 46 4 Installation 10. Connect the SUBCAB cable phase leads to the starter equipment according to the Power cable phase sequence diagram in on page 47. 11. Perform the system setup by using the Setup wizard and other commissioning procedures in the chapter “System Setup” in the SIO Manual for the MAS 801. 4.6.6.1 Terminals used in Ex applications For Ex applications, the stator winding temperature sensors are not connected to terminals 51 and 63 on the PEM.
  • Page 47: Connect The Cables: Pumps With Minicas Or Mas 711

    4 Installation Terminal Description Terminal Description 13, 14 Analog input 0/4 -20 mA, T3, T4 Temperature stator winding: +12 VDC, GND Thermal contact or thermistor, 4.6.7 Connect the cables: Pumps with MiniCAS or MAS 711 4.6.7.1 Connect the SUBCAB cable to the pump NOTICE: Leakage into the electrical parts can cause damaged equipment or a blown fuse.
  • Page 48 4 Installation 1. If thermal contacts are included in the pump installation, then connect the T1 and T2 control conductors to the MiniCAS II monitoring equipment. Twist the monitoring wires together. 2. If thermistors are included in the pump installation, and screened or auxiliary cable is used, then connect T1(1) and T2(2) to thermistor relay, and T3(3) and T4 (4) to MiniCAS II.
  • Page 49: Power Cable Phase Sequence

    4 Installation Item Description Connection Junction box leakage 12–lead sensor cable Stator winding 1, Pt100 12–lead sensor cable Vibration, VIS10 12–lead sensor cable Support bearing, Pt100 12–lead sensor cable Pump memory Power cable sensor leads Table 11: Pump memory Power Cable Lead Number Description Supply 12V + Supply, ground...
  • Page 50: Cable Bending Radius, Weight And Diameter

    4 Installation Item Description T2 cable lead (control element) control element. MAS 801: See the SIO manual for T1, T2, and drain wire connections. Screen (drain wire) Power cable to unit 4.6.9 Cable bending radius, weight and diameter ® Table 13: SUBCAB Cable Minimum bending Weight in kg/m...
  • Page 51 4 Installation 1. Stator leads 2. Terminal board 3. Power cable leads L1 L2 L3 T1 T2 T3 T4 4. Stator (internal connection illustrated) U1 V1 W1 W2 V2 U1 V1 W1 W2 U2 V2 U1 V1 W1 W2 U2 V2 L2 L3 1.
  • Page 52: Colors And Markings Of Leads

    4 Installation 4.7.1 Colors and markings of leads Motor Connection Colors and marking of the main leads Mains SUBCAB SUBCAB 7GX SUBCAB 4GX COLOR STANDARD STATOR LEADS SUBCAB AWG Screened Screenflex 7GX Screenflex 4GX BN = Brown U1,U5 = RD BK 1 BK = Black = GN...
  • Page 53 4 Installation Terminal clamps 6 stator leads Figure 16: Terminal clamps, 6 stator leads 6 leads One cable (left) and two cables (right) Y-connection. Applicable to: 4–50 mm Two cables One cable V1 U2 U1 W2 W1 V2 Figure 17: Y-connection, 4–50 mm One cable (left) and two cables (right) D-connection.
  • Page 54 4 Installation Only for one cable, Y- and D-connection. Applicable to: 70 mm One cable One cable Only applicable to 70 mm2 terminal clamp with one cable Figure 19: Y- and D-connection, 70 mm One cable (left) and two cables (right) D-connection. Applicable to: 95–120 mm One cable Two cables W2 V1 U2 W1 V2...
  • Page 55: Mas 711 Connections

    4 Installation 9 leads One cable (left) and two cables (right) Y-parallel connection. Not applicable with P7035 or P7040. One cable Two cables U1 U5 W1 W5 U2 V2 V1 V5 U2 V2 Figure 22: Y-parallel connection: P7030 only One cable (left) and two cables (right) Y-serial connection. Not applicable with P7035 or P7040.
  • Page 56: Sensor Connection: Minicas

    4 Installation 4.7.4 Sensor connection: MiniCAS Color and marking of control leads SUBCAB SUBCAB 4GX/7G and Control SUBCAB AWG Screened Screenflex WH T1 WH T1 WH T2 WH T2 WH T3 WH T4 Figure 25: Color and marking of control leads Color code standard on page 50.
  • Page 57 4 Installation FLS + Thermal detectors Max 12 V T1 Control leads WH/YE Mini T1/*OG/1 T2/*BU/2 WH/YE **T3 **T4 *SUBCAB AWG **Screened SUBCAB Figure 27: 1 FLS + thermal detectors FLS + FLS + Thermal detectors Max 12 V WH/YE WH/YE Control leads Mini...
  • Page 58 4 Installation FLS + Thermistor Control leads T1/1 Thermistor relay T2/2 BN/BU T3/3 Mini 12 V T4/4 BN/BU Figure 30: 1 FLS + thermistor FLS + FLS + Thermistor 12 V 12 V Control leads T1/1 Thermistor 2.5 V relay T2/2 Mini T3/3...
  • Page 59: Check The Impeller Rotation

    4 Installation Screened cables Screened SUBCAB - ground Functional ground Cable without sep. ground conductor T1/T2 & T3/T4 (if applicable) Twisted together Ground conductor is stranded ground cores shrink hose T1 T2 T3 T4 Bare wire GN/YE shrink hose Figure 33: Cable without separate ground conductor. Ground conductor is stranded ground cores. MiniCAS II 24 V AC/DC Pump contactor...
  • Page 60 4 Installation Direction of propeller rotation. Generic pump shown. Figure 34: Top view (A) and side view (B) 4. If the impeller/propeller rotates in the wrong direction, then check that the phase leads Power cable phase sequence are correctly connected. See on page 47.
  • Page 61: Operation

    5 Operation 5 Operation 5.1 Precautions Before taking the unit into operation, check the following: • All recommended safety devices are installed. • The cable and cable entry have not been damaged. • All debris and waste material has been removed. NOTICE: Never operate the pump with the discharge line blocked, or the discharge valve closed.
  • Page 62: Start The Pump

    5 Operation If multiple anodes were weighed, then use the anode which has lost the most weight for this calculation. 4. Calculate future replacement intervals so that they occur when the selected fraction of zinc is remaining. 5.3 Start the pump CAUTION: Crush Hazard The starting jerk can be powerful.
  • Page 63: Maintenance

    6 Maintenance 6 Maintenance 6.1 Precautions Before starting work, make sure that the safety instructions have been read and understood. DANGER: Crush Hazard Moving parts can entangle or crush. Always disconnect and lock out power before servicing to prevent unexpected startup. Failure to do so could result in death or serious injury. DANGER: Inhalation Hazard Before entering the work area, make sure that the atmosphere contains sufficient oxygen and no toxic gases.
  • Page 64: Falling

    6 Maintenance 6.1.2 Falling CAUTION: Fall Hazard Slips and falls can cause severe injuries. Watch your step. To minimize the risk of falling, observe the following: • Use appropriate personal protection equipment when working in or near open basins, shafts, or trenches. 1.
  • Page 65: Check The Temperature Sensors

    6 Maintenance Screws and nuts Table 15: Stainless steel, A2 and A4, torque Nm (lbf·ft) (0.74) (1.5) (2.2) (5.9) (11) (20) (48) (93.7) (162) (320) 70, 80 1240 (6.6) (16) (32) (56) (138) (268) (464) (915) — — (10) (25) (49) (84.8) (183)
  • Page 66: Check The Leakage Sensors

    6 Maintenance 1. Disconnect the sensor wires. 2. Measure the resistance to check the status of the sensor and wiring according to the Sensors values in on page 18. 3. Measure between each sensor lead to ground (earth) to establish that the resistance is infinite (or at least several Megaohm).
  • Page 67: Empty The Oil

    6 Maintenance 6.5.1 Empty the oil CAUTION: Compressed Gas Hazard Air inside the chamber may cause parts or liquid to be propelled with force. Be careful when opening. Allow the chamber to de-pressurize before removal of the plug. 1. Remove the outer screw and the inner screw of both oil plugs, and the inspection plug, on the hydraulic part.
  • Page 68: Fill With Oil

    6 Maintenance 6.5.2 Fill with oil The pump is delivered with a tasteless, odorless, medical white oil of paraffin type that fulfills FDA 172.878. Examples of suitable oil types are the following: ™ • Statoil MedicWay 32 ™ • BP Enerpar M 004 ™...
  • Page 69: Preparing For Work On The Hydraulic End

    6 Maintenance b) Remove the screws securing the rail under the terminal block and the PEM. c) Lift out the terminal block and the rail. 3. To remove the PEM, follow this procedure: a) Disconnect the communication terminals T1 and T2 from the PEM. b) Disconnect the control terminals on the PEM.
  • Page 70: Remove The Entrance Cover

    6 Maintenance 6.7.1 Remove the entrance cover 1. Remove the entrance cover screws. 2. Disconnect the cable leads. 3. Lift off the entrance cover. 6.7.2 Attach the assembly and dismantling stand Two lifting devices are required for this task. 1. Bolt the assembly/dismantling stand (605 70 00) in position. Secure it using the screws for the entrance cover.
  • Page 71: Replacing The Propeller

    6 Maintenance 2. Attach lifting straps as shown in the following figure, and lift the pump. 3. Place the drive unit upside down on the stand. 6.8 Replacing the propeller Required tools: • Stand 605 70 00 • 14 mm hexagon bit adapter with an extension bar •...
  • Page 72: Measure The Clearance

    6 Maintenance During this procedure the pump is upside down. The stand 605 70 00 is used to support the Preparing for pump in the upside down position. For instructions for attaching the stand, see work on the hydraulic end on page 67.
  • Page 73 6 Maintenance 1. Propeller 2. Pump housing 3. Critical clearance Figure 36: Critical clearance Pump Clearance threshold for efficiency drop, mm (in) 7030 1.3 (0.051) 7035 1.2 (0.047) 7040 1.6 (0.063) If the measured clearance is less than the threshold value given in the table above, then the rest of the steps in this section can be omitted.
  • Page 74: Remove The Propeller

    6 Maintenance Pump Wear measured, mm (in) Action 7035 0.3 (0.012) Replace the propeller 0.9 (0.035) Replace the bellmouth 7040 0.4 (0.016) Replace the propeller 1.2 (0.047) Replace the bellmouth 6.8.2 Remove the propeller CAUTION: Cutting Hazard Sharp edges. Wear protective clothing. 1.
  • Page 75: Install The Propeller

    6 Maintenance 3. Remove the propeller and the propeller sleeve. 6.8.3 Install the propeller 1. Prepare the shaft: a) Polish off any flaws by using a fine emery cloth. The end of the shaft must be clean and free from burrs. b) Coat the inner conic, the outer cylindrical surfaces, and the thread of the conical sleeve with a thin layer of grease.
  • Page 76 6 Maintenance b) Turn the adjustment screw 3/4 of a turn, so that it juts out from the sleeve approximately 1.5 mm (0.06 in). Use the trim tool. c) Fit the sleeve onto the shaft. d) Carefully fit the propeller to the shaft. Make sure that the sleeve and propeller are pushed on straight onto the shaft.
  • Page 77: Replace The Bellmouth

    6 Maintenance 4. Tighten the propeller screw. 5. Tighten the propeller screw a further 1/8 turn (45°). 6. Check that the propeller can rotate freely. 6.9 Replace the bellmouth 1. Remove the three hexagonal screws securing the bellmouth. If there are zinc anodes, then six hexagonal screws must be removed. 1.
  • Page 78: Replace The Zinc Anodes

    Type of Purpose Inspection interval maintenance Initial inspection A Xylem-authorized personnel checks the pump Within the first year of operation. condition. From the results, the personnel recommends the intervals for the periodical inspection and overhaul for the installation. P7030, P7035, P7040 Installation, Operation, and Maintenance Manual...
  • Page 79: Inspection

    6 Maintenance Type of Purpose Inspection interval maintenance Periodical The inspection prevents operational interruptions Up to 12,000 hours or three years, inspection and machine breakdowns. The measures to whichever comes first. increase performance and pump efficiency are Applies to normal applications and decided for each application.
  • Page 80: Major Overhaul

    6 Maintenance Service item Action Junction box 1. General: Check that it is clean and dry. If it is wet, then do the following: a. Check the cable entry. b. Replace the O-rings. New O-rings should be fitted to all O- ring seal joints opened during inspection.
  • Page 81 6 Maintenance Alarm source Action FLS10 1. Drain the fluid in the inspection chamber. 2. Check the oil level. Fill with new oil if necessary. Check the inspection chamber again after one week of operation. If leakage has occurred, then do the following: 1.
  • Page 82: Troubleshooting

    7 Troubleshooting 7 Troubleshooting 7.1 Electrical troubleshooting DANGER: Electrical Hazard Troubleshooting a live control panel exposes personnel to hazardous voltages. Electrical troubleshooting must be done by a qualified electrician. Follow these guidelines when troubleshooting: • Disconnect and lock out the power supply except when conducting checks that require voltage.
  • Page 83: The Pump Does Not Stop When A Level Sensor Is Used

    7 Troubleshooting Cause Remedy The installation is not receiving Check that: voltage. • The main power switch is on. • There is control voltage to the start equipment. • The fuses are intact. • There is voltage in all phases of the supply line. •...
  • Page 84: The Pump Runs But The Motor Protection Trips

    7 Troubleshooting Cause Remedy The self-holding function of the Check: contactor malfunctions. • The contactor connections. • The voltage in the control circuit in relation to the rated voltages on the coil. • The functioning of the stop-level regulator. • Whether the voltage drop in the line at the starting surge causes the contactor's self-holding malfunction.
  • Page 85: The Pump Delivers Too Little Or No Water

    7 Troubleshooting 7.6 The pump delivers too little or no water DANGER: Crush Hazard Moving parts can entangle or crush. Always disconnect and lock out power before servicing to prevent unexpected startup. Failure to do so could result in death or serious injury. NOTICE: Do NOT override the motor protection repeatedly if it has tripped.
  • Page 86: Technical Reference

    8 Technical Reference 8 Technical Reference 8.1 Application limits Data Description Liquid temperature Maximum 40°C (104°F) Depth of immersion Maximum 20 m (65 ft) pH of the pumped media 5.5–14 Liquid density 1100 kg/m³ (9.2 lb per US gal) maximum 8.2 Pt100 resistance This table shows the relationship between temperature (°C) and resistance (ohms).
  • Page 87 8 Technical Reference T, °C R, ohms T, °C R, ohms T, °C R, ohms T, °C R, ohms T, °C R, ohms 111.94 124.77 137.36 149.82 112.45 125.16 137.74 150.20 P7030, P7035, P7040 Installation, Operation, and Maintenance Manual...
  • Page 88 For more information on how Xylem can help you, go to www.xylem.com Xylem Water Solutions Global Visit our Web site for the latest version of this document...

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