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Installation, Operation and

Maintenance Manual

e-HM Series

Multistage Horizontal Pump Unit

Содержание e-HM series

Страница 1: ...Installation Operation and Maintenance Manual e HM Series Multistage Horizontal Pump Unit...

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Страница 3: ...afety approval 11 3 3 Denomination of the main components 12 3 4 Intended use 13 3 4 1 Pumped liquids 13 3 5 Improper use 14 3 5 1 Examples of improper use 14 3 5 2 Examples of improper installation 1...

Страница 4: ...nit turns in the opposite direction 31 7 8 The unit produces excessive noise and or vibrations 31 7 9 The unit starts up too frequently automatic start stop 32 7 10 The unit never stops automatic star...

Страница 5: ...sidered in the manual or in the sales document contact Xylem or the Authorised Distributor 1 2 Safety 1 2 1 Danger levels and safety symbols Before using the unit the user must read understand and com...

Страница 6: ...erstand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be carried out by children without supervision WARNING For countries outside the EU this...

Страница 7: ...izing radiations implement the necessary safety measures for the protection of people If the unit needs to be despatched inform the carrier and the recipient accordingly so that appropriate safety mea...

Страница 8: ...ic conditions causing risks of back spine injury WARNING Take appropriate measures during transport installation and storage to prevent contamination from external substances Depending on the model th...

Страница 9: ...hazard Always wear personal protective equipment 1 Remove packing materials from the product 2 Release the unit by removing the screws and or cutting the straps if fitted 3 Check the unit for integrit...

Страница 10: ...the unit from collisions WARNING Take appropriate measures during transport installation and storage to prevent contamination from external substances 2 4 2 Long term storage of the unit 1 Follow the...

Страница 11: ...Description 1 Head range 2 Flow rate 3 Pump unit type 4 Protection degree 5 Frequency 6 Power consumption 7 Serial number date progressive number 8 Pump unit code 9 Maximum temperature of pumped liqui...

Страница 12: ...660 690V 5P 3x200 208 346 360V 5S 3x255 265 440 460V 5T 3x290 300 500 525V 5W 3x440 460 V 5Z1 3x500 525 V 60 Hz standard asynchronous motor 6F 1x220 230V 6B 1x110 115V 6C 120 127V 6E 1x200 210V 6P 3x2...

Страница 13: ...heater D Without condensation drain plugs U UL approval cURus F Mechanical seal internal flushing Z Other or several combined characteristics 14 Connections3 Null Threaded V Victaulic Z Other or sever...

Страница 14: ...osition number Description Position number Description 1 Pump body 8 Elastomers 2 Impeller 9 Filling plug 3 Diffuser 10 Wear ring 4 Pump shaft 11 Drain plug 5 Motor adapter 12 Motor 6 Seal housing 18...

Страница 15: ...d 8 Elastomers 17 Outer sleeve 9 Filling plug 18 Suction port 10 Wear ring 19 Discharge port 3 4 Intended use Pressure boosting and water supply systems Washing and cleaning sector including washing o...

Страница 16: ...ble or corrosive liquids Pumping drinking liquids other than water for example wine or milk Pumping liquids containing abrasive solid or fibrous substances Using the unit for flow rates exceeding the...

Страница 17: ...NING After installation run the unit for a few minutes with several users open in order to wash the inside of the system 3 Product Description e HM Series Installation Operation and Maintenance Manual...

Страница 18: ...e with other fluids WARNING Remove the unit from its packaging just before installation to prevent contamination from external substances WARNING Observe all the provisions of the authorities and comp...

Страница 19: ...lts 4 or 6 depending on the model tightening at a torque of 10 Nm 88 lbf in NOTICE Only for models with body with sleeve if the temperature of the pumped liquid exceeds 50 C 122 F only fasten bolts A...

Страница 20: ...essure WARNING Install appropriate seals between the unit couplings and the pipings 4 3 1 Guidelines for the hydraulic system Refer to the representative hydraulic diagrams see the figures below EHM_M...

Страница 21: ...he diameter of the suction port Wider than the suction port if necessary install an eccentric reducer that is horizontal on top Without bends if this cannot be avoided bends of a radius as wide as pos...

Страница 22: ...unit and motor to the ground DANGER Electrical hazard Check that the external protection conductor ground is longer than the phase conductors In case of accidental disconnection of the unit from the...

Страница 23: ...rmal must be supplied by the installer Short circuit must be supplied by the installer 4 4 4 Motor guidelines WARNING Injuries hazard The unit equipped with a single phase motor with automatic reset t...

Страница 24: ...nverter exposes the insulation of the motor to a greater load determined by the length of the connecting cable observe the requirements of the Manufacturer of the frequency converter For applications...

Страница 25: ...after it has cooled down risk of physical injury WARNING Hot surface hazard Be aware of the extreme heat generated by the unit WARNING It is prohibited to put combustible materials near the unit NOTI...

Страница 26: ...larly comes out from the filling hole if necessary loosen the plug further B 4 Replace the plug B 5 Open both the on off valves slowly and fully Figure 13 Positive suction head installation priming 5...

Страница 27: ...of rotation through the coupling protection or through the motor cover 4 Stop the pump unit Figure 15 Motor rotation direction 5 3 1 Wrong rotation direction 1 Disconnect the power supply 2 Invert two...

Страница 28: ...n the suction side must not exceed the maximum pressure PN The current absorbed is within the rated limits calibrate the thermal overload protection of the motor There is no unwanted noise or vibratio...

Страница 29: ...ted on the discharge line 2 Stop the pump unit and check that the motor slows down gradually 3 Gradually re open the on off valve and check that the motor remains still 5 Operation e HM Series Install...

Страница 30: ...supply and wait at least 10 minutes for the residual current to dissipate 6 2 Maintenance every 4000 hours of operation or every year When the first of the two limits is reached 1 Measure the pressur...

Страница 31: ...estarting the unit check that the shaft is rotating freely without mechanical impediments 6 4 Ordering spare parts Identify the spare parts with the product codes directly on the site www lowara com s...

Страница 32: ...sent is faulty Replace the capacitor Control panel faulty Check and repair or replace the control panel Motor coil faulty Check and repair or replace the motor 7 3 The differential protection device R...

Страница 33: ...er the temperature at the point of the thermal overload protection and or Protect against direct sunlight Unit faulty Send the unit to an authorised workshop for testing 7 6 The unit runs but there is...

Страница 34: ...d unit Contact Xylem or the Authorised Distributor 7 10 The unit never stops automatic start stop Cause Remedy The required flow rate is greater than the one expected Reduce the required flow rate Dis...

Страница 35: ...too frequently See The unit produces excessive noise and or vibrations on page 31 The frequency converter if present has not been calibrated properly See the frequency converter manual 7 13 The freque...

Страница 36: ...er output of the motor according to the coefficients below or replace it with a more powerful one Table 2 Motor power reduction coefficient Altitude m ft Ambient temperature C F 0 32 10 50 20 68 30 86...

Страница 37: ...aximum hourly start ups Unit rated power kW 0 25 to 3 4 to 7 50 11 to 15 18 5 to 22 30 to 37 45 to 75 90 to 160 No of start ups at regular intervals per h 60 40 30 24 16 8 4 8 5 Protection class IP 55...

Страница 38: ...th the liquid Code Material Pump body Impellers Diffusers HM P Stainless steel AISI 304 Technopolymer Stainless steel AISI 304 HM S Stainless steel AISI 304 Stainless steel AISI 304 Stainless steel AI...

Страница 39: ...companies specialised in the identification of different types of materials steel copper plastic etc WARNING It is prohibited to dispose of lubricating fluids and other hazardous substances in the env...

Страница 40: ...ration n EMCD08 1 Product Device model see label on SAFETY manual 2 Name and address of the manufacturer Xylem Service Italia S r l Via Vittorio Lombardi 14 36075 Montecchio Maggiore VI Italy 3 This d...

Страница 41: ...11 Warranty 11 1 Information For information on the warranty refer to the documentation of the sale contract 11 Warranty e HM Series Installation Operation and Maintenance Manual 39...

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Страница 44: ...g 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 cust...

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