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IT - ISTRUZIONI ORIGINALI IN LINGUA ITALIANA
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Page 1: ...SSH IT ISTRUZIONI ORIGINALI IN LINGUA ITALIANA 1 PAGE 33 PAGE 49 65 81 97 PAGE PAGE PAGE PAGE D E NL RUS F 17 PAGE EN IT ...
Page 2: ...TION 2 1 Description 23 2 2 Technical characteristics 24 3 INSTALLATION 3 1 Lifting 24 3 2 Transportation 24 3 3 Storage 25 3 4 Preliminary inspections 25 3 5 Preparation of the installation site 25 3 6 Installations 27 4 OPERATION 4 1 Priming 28 4 2 Start up 29 4 3 Checking the frequency of starts and stops 30 5 MAINTENANCE 5 1 Lubrication 30 5 2 Temporary disabling 30 5 3 Periodical inspection 3...
Page 3: ...manual contains the following information Chapter 1 General information Chapter 2 Description Chapter 3 Installation Chapter 4 Operation Chapter 5 Maintenance Chapter 6 Operating problems Chapter 7 Dismantling Appendix Product specifications Le informazioni sono suddivise nei seguenti capitoli e appendici di questo manuale 1 2 OWNERSHIP OF INFORMATION The information contained in this manual is pr...
Page 4: ... move the electropump while it is powered because these operations can cause serious accidents or even death DANGER Before repairing or servicing the electropump disconnect it from the socket and or turn the main switch to Off when present to interrupt the power supplied to the electropump This prevents the electropump from accidentally restarting and from causing accidents to people and or damage...
Page 5: ... in this manual DANGER GB OPERATOR QUALIFICATION RECCOMENDED INDIVIDUAL PROTECTION MEAN CARRIER Knowledge and command of the chapters General information Description Installation Protective shoes and gloves INSTALLER Qualification complying with the provisions of the Country of installation knowledge and command of the chapters General information Description Installation Protective shoes and glov...
Page 6: ...nza può produrre danni fisici all operatore DANGER Le indicazioni di attenzione indicano quelle procedure la cui mancata o parziale osservanza può produrre danni alla macchina o alle apparecchiature ad essa collegate WARNNG 1 6 2 TYPESETTING CONVENTIONS Le indicazioni di nota contengono delle informazioni importanti evidenziate al di fuori del testo a cui si riferiscono NOTE 1 7 1 RECOMMENDED USE ...
Page 7: ...rature range 10 C and 50 C The machine has been designed manufactured and protected to be used in the following atmospheric conditions Outdoors with protection against atmospheric agents Relative humidity range from 30 to 90 Installed horizontally on a flat foundation with dimensions at least equal to the maximum length and width of the pump For the pump dimensions refer to the appendix Product sp...
Page 8: ... ARCHITECTURE AND OPERATING PRINCIPLES DHR electropumps are horizontal centrifugal multi stage electropumps with suction and delivery mouths arranged at 90 The suction flange and the pump casing of electropumps DHR are in cast iron GG20 The shaft the impellers and the diffusers of electropumps DHR are in stainless steel AISI 304 2 1 2 MACHINE FRAME 2 1 DESCRIPTION GB DHR electropumps are directly ...
Page 9: ...eral machines packed in a cardboard box depending on the machine weight 2 2 TECHNICAL CHARACTERISTICS Dimensions and weights of machines See Product Specifications paragraph Dimensions and weights Electric data See Product Specifications paragraph Electric suply and identification nameplate Pressure maximum operating pressure 6 bar 90 C or 10 bar 50 C GB 3 2 TRANSPORTATION The machine must be tran...
Page 10: ...SMENT OF DAMAGE Keep the original packing in the event it were necessary to transport the machine in future WARNING If non compliance characteristics or damages are detected immediately report the problem to PENT AIR INTERNATIONAL or to the distributor within and no later than 8 eight days from the date of purchase 3 4 2 DAMAGE REPORTING 3 5 PREPARATION OF THE INSTALLATION SITE The installation si...
Page 11: ...stop valve should be fitted on the delivery line If the machine is designed to operate with a closed valve on the delivery line a recirculation pipe should be provided for protection purposes The pipe should have the following characteristics Connection between Delivery and suction line Delivery and drainage pipe Controls should be performed by means of Thermostatic valve Solenoid valve driven by ...
Page 12: ...ged since this could cause serious accidents to people DANGER DANGER Do not install the machine in environments containing gases and or inflammable or explosive materials The machine supply line should always have a differential circuit breaker WARNING WARNING 3 6 2 CONNECTION TO THE MAINS MACHINES WITH THREE PHASE MOTORS The installer will have to make sure that the electric supply system has an ...
Page 13: ...minal block with the related gasket Tighten the screws that fix the cover to the terminal block Insert the electric supply by using the cut off switch Supply one current impulse to the machine Check the direction of rotation of the motor A If the direction of rotation complies with the direction of the rotation indicated by the arrows shown on the machine head the connections are correct B If the ...
Page 14: ...fluid through the priming cap until it starts to come out from the cap Make sure the priming cap is perfectly tightened DANGER When the fluid starts to exit from the priming cap preform the following operations Re tighten the priming cap Fully open the gate on the suction line Open the gate on the delivery line When it is no longer possible to add futher fluid perform the following operations Re t...
Page 15: ... Vibrations Noise MAINTENANCE CHAPTER 5 The gasket on the shaft is self adjusting The sealing surfaces are resistant to wear and are lubricated by the pumped fluid 5 1 LUBRICATION If the machines are installed used and serviced in accordance with the instructions and directions given in this manual they do not require lubrication Follow the instructions and directions given in this manual WARNING ...
Page 16: ...ntenance carried out by others than authorised or specialised technicians NOTE OPERATING PROBLEMS CHAPTER 6 PROBLEM CAUSES THE MOTOR FAILS TO RUN WHEN STARTED 1 The line voltage has been interrupted 2 Burnt fuse 3 Tripped thermal relay 4 No conduction in the starter contacts or faulty coil 5 Burnt fuses in the auxiliary circuit 6 Faulty motor THE STARTER THERMAL SWITCH TRIPS WHEN VOLTAGE IS APPLIE...
Page 17: ...e as indicated in Installation Storage The machine has been manufactured with non biodegradable materials The machine should be dismantled only in a deposit equipped for these operations WARNING PENTAIR INTERNATIONAL shall not be liable of parts of the machine are recycled or re used NOTE 7 2 RESIDUAL RISKS AFTER DISABLING THE MACHINE FLOW RATE IS IRREGULAR 1 The suction pipe is undersized 2 The a...
