Xylem e-MPA Скачать руководство пользователя страница 9 | Manualshive

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1.5.2 Standby pumps

Make sure that sufficient stand-by pumps are kept ready for use in plants where the failure
of a pump can endanger human life, damage property, or result in high costs. Make sure
that regular inspections are carried out to make sure that such pumps are always ready for
use.

1 Introduction and Safety

e-MPA, e-MPR, e-MPD Horizontal Multistage Pump INSTRUCTION MANUAL

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Содержание e-MPA

Страница 1: ...INSTRUCTION MANUAL P7000005 e MPA e MPR e MPD Horizontal Multistage Pump ...

Страница 2: ......

Страница 3: ...n 13 3 5 Material 13 3 6 Mechanical seal 14 3 7 Application limits 14 4 Installation 17 4 1 Facility requirements 17 4 1 1 Pump location 17 4 1 2 Piping requirements 19 4 2 Electrical requirements 20 4 3 Install the pump 21 4 3 1 Mechanical installation 21 4 4 Install the coupling 23 4 4 1 Recommended torque values 24 4 5 Coupling alignment 24 4 6 Connect the power supply 26 5 Commissioning Startu...

Страница 4: ...a varying time after 33 7 6 The electric pump starts but the system s general protection is activated 33 7 7 The electric pump starts but the system s residual current device RCD is activated 33 7 8 The pump runs but delivers too little or no liquid 33 7 9 The electric pump stops and then rotates in the wrong direction 34 7 10 The pump starts up too frequently 34 7 11 The pump vibrates and generat...

Страница 5: ...erminology and symbols Hazard levels Hazard level Indication DANGER A hazardous situation which if not avoided will result in death or serious injury WARNING A hazardous situation which if not avoided could result in death or serious injury CAUTION A hazardous situation which if not avoided could result in minor or moderate injury NOTICE A potential situation which if not avoided could result in u...

Страница 6: ... burn injuries Safety equipment Use safety equipment according to the company regulations Use this safety equipment within the work area Hard hat Safety goggles preferably with side shields Protective shoes Protective gloves Gas mask Hearing protection First aid kit Safety devices NOTICE Never operate a unit unless safety devices are installed Also see specific information about safety devices in ...

Страница 7: ...ssure of the pump Do not open any vent or drain valve or remove any plugs while the system is pressurized Make sure that the pump is isolated from the system and that pressure is relieved before you disassemble the pump remove plugs or disconnect piping Never operate a pump without a properly installed coupling guard 1 3 1 Wash the skin and eyes Follow these procedures for chemicals or hazardous f...

Страница 8: ...Pumps including stand by pumps 2 3 4 5 6 7 8 9 10 Impeller first stage 1 1 2 2 2 3 30 Impeller series i 1 i 1 i 1 2 i 1 2 i 1 3 i 1 30 Wear ring first stage 2 2 2 4 4 6 30 Wear ring series 2 i 1 2 i 1 2 i 1 4 i 1 4 i 1 6 1 i 30 Diffuser i 2 i 2 i 2 i i 3i 2 15 Shaft with keys nuts 1 1 2 2 2 3 30 Ball bearing 1 1 2 2 2 3 30 Plain bearing 1 1 2 2 2 3 30 Balance Drum 1 1 2 2 2 3 30 Joints for pump ho...

Страница 9: ...nts where the failure of a pump can endanger human life damage property or result in high costs Make sure that regular inspections are carried out to make sure that such pumps are always ready for use 1 Introduction and Safety e MPA e MPR e MPD Horizontal Multistage Pump INSTRUCTION MANUAL 7 ...

Страница 10: ...entative 2 2 Transportation guidelines Precautions WARNING Observe accident prevention regulations in force Crush hazard The unit and the components can be heavy Use proper lifting methods and wear steel toed shoes at all times Check the gross weight that is indicated on the package in order to select proper lifting equipment Position and fastening Keep the pump pump unit in the same position in w...

Страница 11: ... storage If the unit is stored for more than 6 months these requirements apply Store in a covered and dry location Store the unit free from heat dirt and vibrations Rotate the shaft by hand several times at least every three months Refer to the drive unit and coupling manufacturers for their long term storage procedures For questions about possible long term storage treatment services please conta...

Страница 12: ...Ambient temperature The product must be stored at an ambient temperature from 23 F to 104 F 5 C to 40 C 2 Transportation and Storage 10 e MPA e MPR e MPD Horizontal Multistage Pump INSTRUCTION MANUAL ...

Страница 13: ...nkler systems Heating systems Snow making applications Nanofiltrations Boiler feed Improper use WARNING Improper use of the pump may create dangerous conditions and cause personal injury and damage to property An improper use of the product leads to the loss of the warranty Examples of improper use Liquids not compatible with the pump construction materials Hazardous liquids such as toxic explosiv...

Страница 14: ...nomination MP A 125 B 02 A B R S 0500 T T F 2 6B N N N 4 20 19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 Pump type 2 Configuration 3 Pump size 4 Hydraulic design 5 Number of stages 6 Combination of full diameter and trimmed impellers 7 Flange orientation 8 ANSI suction flange class 9 ANSI discharge flange class 10 Motor hp 11 Motor enclosure 12 Frame size 13 Motor type 14 Number of poles 15 M...

Страница 15: ...ump Energy Index 15 Bare Pump Weight 3 4 Pump design Suction casing horizontal with radial flanges Discharge casing horizontal with radial flanges Closed impeller Balance drum at discharge side incorporated in discharge casing Motors standard design NEMA Flanges drilled according to ANSI B16 5 Class 150 300 and 600 Couplings flexible without spacer as standard Optional with spacer on customer requ...

Страница 16: ...dge seal or Soft packing 3 7 Application limits The following performance curves show the maximum allowable working pressure depending on the pump model and the temperature of the pumped liquid Maximum working pressure 0 50 100 150 200 250 300 350 400 450 500 550 600 0 50 100 150 200 250 300 PSI ºF Class 300 ASME B16 5 Class 150 ASME B16 5 Figure 1 Cast Iron JL 1040 0 100 200 300 400 500 600 700 8...

Страница 17: ... 4517 Super Duplex 1 4469 Liquid temperature intervals The previous performance curves show the working temperature ranges For special requirements contact the sales and service representative Maximum number of starts per hour 100 0 10 0 1 0 1 10 100 1000 X Motor power kW Y Maximum permitted starts h Noise level Table 1 Sound pressure levels for pump without motor LpA dB A P hp Speed RPM 2950 1450...

Страница 18: ...74 8 73 8 75 0 74 1 150 75 7 74 7 75 9 75 0 180 76 5 75 6 76 7 75 8 220 77 4 76 5 77 6 76 7 270 78 5 77 6 78 7 77 8 340 79 5 78 6 79 8 78 8 430 80 6 80 9 79 9 480 81 2 81 4 80 5 540 81 8 82 0 81 1 610 82 4 82 6 680 82 8 83 1 760 83 4 83 6 860 83 9 84 2 980 84 5 84 7 1070 85 0 85 2 1210 85 7 85 9 1340 86 1 86 4 1500 86 6 86 8 1680 87 2 87 5 LpA Sound pressure level measured in a free field at one m...

Страница 19: ...rth conductor should be the last conductor to come loose from its terminal Make sure that the ground earth conductor is longer than the phase conductors This applies to both ends of the motor cable Add additional protection against lethal shock Install a high sensitivity differential switch 30 mA residual current device RCD 4 1 Facility requirements 4 1 1 Pump location DANGER Do not use this unit ...

Страница 20: ... sea level in an open system System pressure in a closed system Resistance of the pipes Own intrinsic flow resistance of the pump Height differences The following equation is used to calculate the maximum height above the liquid level which the pump can be installed hp Hz NPSHr 2 hf hpv where hp ft is the absolute pressure that is applied to the free liquid surface in the suction tank Hz ft is the...

Страница 21: ...the piping Flexible pipes or unions are used in order to avoid transmission of pump vibrations to the pipes and vice versa Use wide bends avoid using elbows which cause excessive flow resistance The suction piping is perfectly sealed and airtight If the pump is used in an open circuit then the diameter of the suction pipe is suited to the installation conditions The suction pipe must not be smalle...

Страница 22: ... Positive gradient C Good immersion D Large bend E Suction pipe diameter pump port diameter F Pipe clamp G Suction lift depends on the pump and installation BB Incorrect installation 1 Sharp bend high flow resistance 2 Insufficient immersion sucking air 3 Negative gradient air pockets 4 Pipe diameter pump port diameter high flow resistance 4 2 Electrical requirements The local regulations in force...

Страница 23: ...s in order to ensure whether a protection device is provided if another motor other than the standard is used If the motor is equipped with automatic thermal protectors be aware of the risk of unexpected starts in connection to overload Do not use such motors for fire fighting applications NOTICE The mains voltage and frequency must agree with the specifications on the data plate In general motors...

Страница 24: ... or strains CAUTION Welding beads scale and other impurities in the piping damage the pump Free the piping from any impurities If necessary install a filter Check that the foundation has been prepared in accordance with the dimensions given in the outline drawing general arrangement drawing 31 5 31 5 1 Baseplate pump set 2 Shims 3 Foundation bolts Figure 7 Pump base and anchor holes 1 Position the...

Страница 25: ...used coupling Between pump and base frame must be an adequate shimming so that in case of replacement the same height between bottom and centerline can be adjusted recommended vertical adjustment 0 160 0 240 4 4 Install the coupling WARNING Make sure that nobody can start the motor when work is being carried out on the coupling In accordance with the Accident Prevention Regulations the pump unit m...

Страница 26: ...ling guard upper half 1 Remove the coupling guard lower half 2 Open and lift the supporting adjusting ring 3 Figure 8 Coupling 1 Coupling guard upper half 2 Coupling guard lower half 3 Adjusting ring 4 Coupling 5 Bearing cover 6 Motor Alignment Loosen screws of the motor foot Place the ruler 1 axially on both coupling halves Leave the ruler 1 in this position and turn the coupling by hand The coup...

Страница 27: ... ruler and thickness gauge Contact the local sales and service representative for any requests or information NOTE Check alignment of coupling again in operation warm condition and on system pressure if available and correct if necessary Be sure that the unit can be easily turned by hand NOTICE Improper alignment of the unit can lead to damages at coupling and unit Install the coupling guard CAUTI...

Страница 28: ...humidity entering the terminal box 4 If the motor is not equipped with automatic reset thermal protection then adjust the overload protection according to the list below If the motor is used with full load then set the value to the nominal current value of electric pump data plate If the motor is used with partial load then set the value to the operating current for example measured with a current...

Страница 29: ...um rated flow when dry or without prime Never operate the pump with the delivery ON OFF valve closed for longer than a few seconds Never operate the pump with the suction ON OFF valve closed Do not expose an idle pump to freezing conditions Drain all liquid that is inside the pump Failure to do so can cause liquid to freeze and damage the pump The sum of the pressure on the suction side mains grav...

Страница 30: ...the screwed plugs PM2 3 Open the ON OFF valve upstream until the water flows out of the hole 4 Close the screwed plugs Installations with liquid level below the pump suction lift 1 Open the ON OFF valve located upstream from the pump 2 Close the ON OFF valve located downstream from the pump 3 Open the screwed plugs PM2 4 Fill the pump until the water flows out of the hole 5 Close the screwed plugs...

Страница 31: ...pump Turn pump unit once again by hand and check that it moves smoothly and evenly Check that coupling guard is installed and that all safety devices are operational Turn on any sealing flushing or cooling devices that are provided Open valve in suction intake pipe Set the pressure side of the ON OFF valve to approximately 25 of the pump rate for which the system was designed For pumps with a driv...

Страница 32: ...alent Contact the local sales and service representative for any requests or information Motor bearings After approximately five years the grease in the motor bearings is so aged that a replacement of the bearings is recommended The bearings must be replaced after 25 000 operating hours or according to the motor supplier maintenance instructions whichever is shorter Motor with greased for life bea...

Страница 33: ...bout spare parts and assembly and disassembly of the pump contact the local sales and service representative 6 4 Repairs WARNING Maintenance and service must be performed by skilled and qualified personnel only Trained Customer Service engineers are available to assist with installation and repair work on request When removing the pump you must comply with all safety transport handling and dismant...

Страница 34: ...s in the tables below are for installers only 7 2 The main switch is on but the electric pump does not start Cause Remedy There is no power supply Restore the power supply Make sure all electrical connections to the power supply are intact The thermal protector incorporated in the pump if any has tripped Wait until the pump has cooled down The thermal protector will automatically reset The thermal...

Страница 35: ...ate is higher than the limits specified on the data plate Partially close the ON OFF valve down stream until the delivery rate is equal or less than the limits specified on the data plate The pump is overloaded because it is pumping liquid that is too dense and viscous Check the actual power requirements based on the characteristics of the pumped liquid and replace the motor accordingly The motor ...

Страница 36: ...The suction pipe The foot valve or the check valve Repair or replace the faulty component There is air in the suction pipe Bleed the air 7 10 The pump starts up too frequently Cause Remedy There is a leakage in one or both of the following components The suction pipe The foot valve or the check valve Repair or replace the faulty component There is a ruptured membrane or no air pre charge in the pr...

Страница 37: ...For any other situation refer to the local sales and service representative 7 Troubleshooting e MPA e MPR e MPD Horizontal Multistage Pump INSTRUCTION MANUAL 35 ...

Страница 38: ... not followed the manufacturer s guarantee and liability shall cease to apply Name Date Signature 8 2 Log book Plant operators shall duly enter all maintenance and service work that has been carried out and shall see that the person responsible confirms such work by signing below Maintenance work Date Plant operator sinature Confirmed by person responsible 8 Log files 36 e MPA e MPR e MPD Horizont...

Страница 39: ...ty are warranted only for the balance of the warranty period on the parts that were repaired or replaced Seller shall have no warranty obligations to Buyer with respect to any product or parts of a product that have been a repaired by third parties other than Seller or without Seller s written approval b subject to misuse misapplication neglect alteration accident or physical damage c used in a ma...

Страница 40: ...been a repaired by third parties other than Seller or without Seller s written approval b subject to misuse misapplication neglect alteration accident or physical damage c used in a manner contrary to Seller s instructions for installation operation and maintenance d damaged from ordinary wear and tear corrosion or chemical attack e damaged due to abnormal conditions vibration failure to properly ...

Страница 41: ...with the dealer from whom you purchased the product or visit www xyleminc com for the name and location of the nearest dealer providing warranty service 9 Product warranty e MPA e MPR e MPD Horizontal Multistage Pump INSTRUCTION MANUAL 39 ...

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Страница 44: ...o provides a leading portfolio of smart metering network technologies and advanced analytics solutions for water electric and gas utilities 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 with a strong focus on developing comprehensive sustainable solutions For more in...

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