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1. LTV 2520 AldaNS YMOd 6521 UTLTM HO NOV 2591 423 15M AlddNS 4 1591 eizl vM JO AOVT ISAL JN WOJ 4 2 MOT LMOT IN WOI 1 Z M01 1 01 Q o m S E gt LI o WS 008 5 ex ex AX 2X X X ex LX 002 208 gt gt 007 99 5 3d SE a e Jd 2 5 007 gt S gt SE aL SE 75 Sl 5 DER d e vol e E vn 24 goe ad NOILIIS 3S WH 220 HO gzt lt Be 4 Vz E LX 40 VUE N e 7 WE 2 e Ko 4102 051 057 9097 25 155 4 Aug 2013 VG User Guide VG Variable Speed Twin Pump Booster Sets Y Y FU1 Fig 3 3 Control Panel Low Water Relay Connection At A2 COM NO ON BL1 A Sensitivity NC COM MAX MIN i OF op BL1 E xi tl CE wn 1 l i Lack of vater TXSV2 Fig 3 4 Control Panel s ns i 8 Connection Layout POWER SUPPLY voltage free contact TKSV2 1 205 QTY DESCRIPTION MANUFACTURER TYPE CODE RATING ori 2 1P N AUT CIRCUIT BREAKER ABB stenn C10 2 Fut 1 FUSE ITAL WEBER FUI y FUSE HOLDER CABUR su 1 T LACK OF WATER RELAY LOVATO x 4 TERMINAL 26 VG 55 4 Aug 2013 Section 3 The Control Panel wesbelg 9ueg 0HUOI G BI 30 JJW 01 NIIT AlddN5 YIMOd CSAL PUDE 4 1 WO At 84 2901 1
2. X 907 HILYM dO WW 27 Iss 4 Aug 2013 VG User Guide VG Variable Speed Twin Pump Booster Sets x ES x E o may O O DI s lqEo EUuJ9 X3 JGued 104u02 9 8 Bld 38V 93MOd SIDE 4093 Md X314 dM 1VI33S S0X SOXE YZHHOY4 COM V SMLI LINVS S0XC SOXZ 2 4 205 ESMI MO SOXZ S0X 42 ZOSM YLS LINVI GOXZ SOXZ 42 4 VLOSM SAL MO S 0XC SOXZ 42 LOSM SAL 318V2 dIMOd IDE 9094 Nid IX314 ZOM LSML 318V2 HIMOd z DN IO ON 3401300803 EAU HLONFI NOLLV3OT DE 4043 nid IX314 LOM S3lgv IVNYILXI O IO 5 ON 3401300803 ON TVN Ad3L 04 08 155 4 Aug 2013 VG 28 VG Iss 4 Aug 2013 Installation Commissioning and Routine Maintenance This Section gives general information on installation commissioning and routine maintenance procedures for the VG range of Pumpsets e Installation and Pre Commissioning Checks Pressure Vessel Precharging e Venting Pumps e Operational and Performance Tests e Commissioning Handover Check e Routine User Maintenance 29 User Guide VG Variable Speed Twin Pump Booster Sets Installationand Commissioning Overview Before shipment all
3. 30 Installation and Pre Commissioning Checks 30 Pipework and mechanical components 30 Electrical ie T Ange 30 Final checks before COMMISSIONING sss sees eee eee 31 Pressure Vessel Precharging cesses nere ennenen nner none 31 Venting PUMPS ale aaa ala 31 Procedure for flooded suction 31 Procedure for lift suction iii 32 Operational and Performance Tests 32 B ty Standby sets ez eei net tenete decepta e der 32 D uty Assist sets A alan EA QA 32 Commissioning Handover Check 33 Routine User Maintenance 33 Recommended user weekly checks 33 Recommended user quarterly checks A 33 Recommended user 6 monthly checks 33 2 VG 55 4 Aug 2013 Contents Essential 12 monthly maximum interval service 34 Detailed Pump Maintenance 34 Detailed Controller Maintenance 34 Detailed Accessory Maintenance 34 Section 5 Troubleshooting First Step When a Fault Occurs eee 36 General Pump Troubleshooting 36 Technospeed Controller Troubleshooting 37 Appendix A Manufacturer s Guide CEA CA HM HMS Electric Pumps General User Guide nu oen ge ete dee e pe re e uaa 40 Failure Analysis System Procedure see ee i 47 Appendix B Manufacturer s Guide Teknospeed Instructions for Installation and Ulee i 58 Troubleshooting
4. pi ene eid p ed iene 67 Appendix C Manufacturer s Guide FAM Pressure Vessel Ic M i 84 Installation Safety Notes 84 Periodic Maintenance 2220 aie E E CAR EAR SERERE tio 84 General Maintenance and Repair 5 U 84 Precharge instr ctions ua ft eT eere ito upas 85 Diaphragm replacement 85 Installing a Replacement Vessel 86 Appendix D Miscellaneous Technical Information Net Positive Suction Head NPSH 88 Cavitation EE 88 Galculatiig NPSH EE 88 Gonvertion Factors iaia A desert Tee REO es 89 Variable Speed Flow Head and Power Calculations 90 General Operating Limits Standard Dutypoint Pumpsets 90 Appendix E Additional Information VG lss 4 Aug 2013 User Guide VG Variable Speed Twin Pump Booster Sets VG Iss 4 Aug 2013 VG lss 4 Aug 2013 SAFETY Important Health amp Safety Information Please read this section before attempting to use or work on your VGPumpset as it contains important Safety Information and the System Operating Limitations User Guide VG Variable Speed Twin Pump Booster Sets User Guide Document Conventions Throughout this manual text may be accompanied by one of the following icons Where these occur the conventions shown below are applied In general these conventions will also apply to OEM Manufacture s manuals that are included
5. Max ambient temperature 40 C for 4045 C see point 5 Max number of starts per hour 40 4 INSTALLATION Proper installation fig 1 A eccentric adapters B positive lift C good immersion D wide bends E suction pipe diameter gt pump port diameter F suction lift Depends on pump and installation G pipes must not exert stress on pump but on independent supports foot valve not necessary for SP BG SG models The suction lift is determined by liquid temperature altitude flow resistance and NPSH required by the pump As a general rule the suction lift is 4 m for the P and C models and 7 m for the BG and SP models r installation fig 2 1 tight bends high flow resistance 2 insufficient immersion air suction 3 negative lift air pockets 4 pipe diameter lt pump port diameter high flow resistance 5 ELECTRICAL CONNECTION To connect proceed as shown on the back of the terminal board cover anticlockwise rotation and in fig 4 for single phase versions fig 5 for three phase versions Use standard 3 wire cables 2 ground for single phase versions 4 wire cables 3 ground for three phase versions The reference characteristics voltage frequency and input current are shown on the pump rating plate The single phase pumps have built in automatic reset thermo amperometric protection the three phase pumps must always be supplied through a magneto thermal overload cu
6. purchase date if possible confirmed by bill or sale slip installation date conditions of installation and operating 4 2 External visual inspection Check the external condition of product in a particular manner check on the surface of pump body the presence of weld defects and integrity of aluminum motor casing 4 3 Preliminary inspections Data in plate type of product and code series number manufacturing date Based on type of application witch is subject the pump check if the configuration is right or wrong see the table in 2 2 Condition of capacitor if present and connections on terminal board 4 4 Electrical resistence of windings Check electrical continuity of windings and find possible interruptions or burnings 4 5 Measure of insulation resistance Performed in accordance with european standard EN 602 04 1 500 Vdc between conductors and ground Test is passed if insulation resistance is gt 10 MO 5 Disassembly and analysis N W The pictures refer to HM pump Remove the protection grid depending on the motor type extract the fan with 2 screwdriver or unsrew the screws on the hub and check the condition of fan the free rotation of the shaft with screwdriver Unscrews the screws remove the pump body HM HMS CEA or suction flange CA and check conditions of his internal surface presence of wear defects of welds the presence of initial disc inser
7. The use of unsuitable spare parts can cause malfunctions personal injury and damage to pro perty 10 Disposal Information for installers and maintenance personnel After installing the unit dispose of packaging according to legislation in force if possible re utilize the packaging for other purposes If the motor needs to be decommissioned and dismantled observe the current legislation regarding sor ted waste disposal 11 Warranty Refer to the sales documents for any information 30 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed 12 Tables and Drawings TKS system composition chapters 3 and 6 4 Qn GM 5 11 BETHEL TKS_COMPOSIZIONE_A Radiator incorporates the electronic control and command board Base Cable and plug Electric pump Pressure transmitter Rating plate chapters 4 and 9 O 0 O OQ GM 10 11 12 13 14 15 44 15 14 LOWARA CE 100007 MONTECCHIO MAGGIORE VI ITALY MADE IN ITALY Pump CA70 33 SW1 Drive 1 TEKNOSPEED L Cod 107600700 50 60 Hz 230 V 49 A Q 30 80 l min P2 075kW CIF IP 55 P1 1 07 kW H 38 8 23 9 m Amin 239m Motor Sm71CA 307 0 75 KW G 0000000 TKS M0002 A SC XLS Electric pump type Code Flow range Head range Rated power Minimum head Frequency Insulation class and protection class Motor type Voltage Input power Rated motor power Current Converter type
8. This Section provides general troubleshooting tips applicable to the Dutypoint range of pumpsets 35 User Guide VG Variable Speed Twin Pump Booster Sets NOTE The information in this section is common to all Dutypoint centrifugal pumps For more detailed troubleshooting information that is specific to the type and model of Pump and Controller used in the VG pumpsets please refer to the Manufacturer s literature located in the appendices of this manual First Step When a Fault Occurs When a fault first occurs turn off the main power to the pumpset and leave off for around 1 minute Switching power back on and re energising the system may be sufficient to clear the fault General Pump Troubleshooting Pump will not start Item Fault Possible Cause s Recommended Action 1 No electrical power 1 Check and rectify 2 Blown fuse s 2 Check and rectify 3 Overload trip 3 Check and if necessary reset the overload trip value For Control Panel information refer to Section 3 of this manual For Pump and Controller manufacturer s information refer to the appendices to this manual Low or zero output 1 The rotating part s of 1 Strip the pump to inspect and rectify 2 Pump not primed 2 Having first checked the mechanical WARNING running the seal for damage prime and air bleed pump dry can cause the pump and try again discharge rate 3 Valve in suction 3 Check al
9. 60 ms hr 3 6 Gpm 13 2 Kg Sec 1 0 m Hd Psi Kpa Kg cm 10 2 14 47 100 1 02 Bar Bar Bar Bar 89 User Guide VG Variable Speed Twin Pump Booster Sets Variable Speed Flow Head and Power Calculations Vi Full speed V Reduced speed Q4 Flow rate at full speed Q Flow rate at reduced speed Head at full speed H Head at reduced speed P Power at full speed Po Power at reduced speed az War 2 H2 V2 Hi 2 P2 92 pa General Operating Limits Standard Dutypoint Pumpsets Type of pumped liquids Water with no gas or aggressive sub stances Maximum pumped liquids temperature 35 C for domestic uses EN 60335 2 41 40 C for other purposes Minimum pumped liquid temperature 1 C to avoid icing Operating ambient temperature 5 to 40 C for indoor installation CEI EN 60439 1 Relative humidity Max 50 at 40 C Air impurities The air must be clean and free of acid vapours corrosive gases and exces sive amounts of dust Storage temperature 5 to 50 C Suction Conditions Minimum positive pressure 0 1 Bar Max 0 5 Bar 90 VG lss 4 Aug 2013 VG lss 4 Aug 2013 Appendix E Additional Information If the system that you have purchased has been modified updated or otherwise altered from the Dutypoint standard range this Appendix will contains additional information appli
10. Manufacturing date and Serial number note for water 10 meters of head are equivalent to almost 1 bar approx 100 Kpa VG 185 4 Aug 2013 71 User Guide VG Variable Speed Twin Pump Booster Sets Minimum clearance required to ensure proper cooling chapter 5 TKS MD003 A SC XLS Examples of installation chapter 6 TKS M 004 A SC XLS 1 Reservoir or tank 2 Possible filter 3 On off valve 4 Non return valve 5 Flexible pipe 6 Electric pump with Teknospeed 7 Pressure transmitter 8 Pressure gauge 9 Diaphragm tank 10 Test tap 11 Float switch 72 VG 55 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed Suction lift TKS_M0005_A_SC XLS 1 Tank 3 On off valve 5 Flexible pipe 6 Electric pump with Teknospeed 7 Pressure transmitter 8 Pressure gauge 9 Diaphragm tank 10 Test tap 11 Float switch 12 Foot valve Non return valve TKS M0006 A SC XLS VG Iss 4 Aug 2013 73 User Guide VG Variable Speed Twin Pump Booster Sets Adhesive plate chapter 6 GM TKS_M0007_A_SC XLS Power on indicator light Pump running indicator light Malfunction indicator light Warnings Diagram of TEKNOSPEED converter s external connections chapter 6 74 O OQ E GM Signalling lights Pressure adjusting screw Inlet for pressure transmitter cable M16 x 1 5 cable gland Inlet for external dry running protection device cable M16 x 1 5 cable gland or plug Inlet for serial inte
11. 185 4 Aug 2013 Appendix C Manufacturer s Guide FAM Pressure Vessel Precharge instructions Referring to fig C 1 1 First check that the expansion or pressure tank is totally drained of water and that the system is switched off and no electrical parts are live Remove the air vent cover Unscrew the air valve cap 4 Connect a pressure gauge and referring to the procedure in Section 4 page 31 of this Dutypoint manual verify that the precharge pressure is correct If it is low then the vessel precharge must be corrected by additional inflation of the diaphragm When the precharge pressure is correct replace the air valve cap and vent cover Diaphragm replacement To replace the diaphragm refer to fig C 2 1 Empty the expansion tank Fig C 1 Pre charging a FAM Vessel 2 Remove the pre charging by releasing the air vent de I M8 Screws e amp Washers EN Flange Diaphragm Air Vent Tank BABY OSMO v L CA v Air Vent ei vr Dk l gt 9 Cover K BABY STAR Fig C 2 Baby Star Baby Osmo Components 85 User Guide VG Variable Speed Twin Pump Booster Sets 3 4 5 Loosen the M8 screws fastening the flange Remove the flange Extract the diaphragm and replace it Installing a Replacement Vessel Read these instructions carefully before installing the product 86 1 Make sure the product is in good condition
12. Dutypoint pumpsets are pre commissioned Whilst important procedures such as venting and rotational direction checks need to be carried out on site initial parameters including pressure settings and delay timers will be adjusted to suit the site conditions previously advised to Dutypoint In practice a system can almost invariably be made to perform more efficiently if further re commissioning is carried out on site Please note that engineer visits by Dutypoint are priced at one visit to commission one pump set If there are multiple units on a site special NOTE NIS M CUP Pu Y terms can be negotiated To arrange a commissioning visit please call the Technical Service Help line 01452 300590 Installation and Pre Commissioning Checks The following checks should be carried out at the initial installation on site BEFORE any run tests are carried out Ensure that you have read and understood the SAFETY section at the DANGER front of this manual before proceeding Pipework and mechanical components 1 Ensure that the mounting area and any associated groundwork provides adequate support for the pumpset 2 Ensure all supports brackets are in place and secure 3 Verify all pipe joints are sealed and tight Electrical A a These checks MUST be carried out by a competent electrician 1 Check the motor voltage and frequency information on all the motor nameplates and on controllers etc correspond with that of the source pow
13. If the product is damaged do not start on installation but take it back to the seller for immediate replacement The product must be installed in the position vertical or horizontal specified in the technical specifications see installation diagram While the system is cold measure the static pressure with a gauge at the point where the tank has to be installed Set the precharge pressure using the procedure earlier in this section on page 85 Ensure that the pressure does not exceed the value specified in the procedure The appliance must be supplied with efficient and sufficient safety and control facilities in particular the safety valve must be connected to the appliance and be free from interference and must be gauged to the quantity of fluid to be discharged The safety valve should also be designed to ensure that the pressure does not permanently exceed the maximum tolerated pressure a temporary pressure peak limited to 10 of the maximum tolerated pressure is allowed Make sure the cap of the valve is fitted tightly after pre loading and that there is no leakage VG 185 4 Aug 2013 VG lss 4 Aug 2013 Appendix D Miscellaneous Technical Information This Appendix contains miscellaneous technical information applicable to Dutypoint equipment e Net Positive Suction Head NPSH e Convertion Factors e Variable Speed Flow Head and Power Calculations e General Operating Limits Standard Dutypoint Pump
14. Sets Identifying Your Pump Attached to each pump is a label fig 2 1 that identifies the type and specification Speed V Variable Pump Model No ral aeiia Pump Manufacturer L Lowara ITT Control Type Z Teknospeed Rating M 230v 1phase 50Hz T 400v 3phase 50Hz Fig 2 1 Pump Labelling General Specifications Performance amp Control Flow range Pressure range Control type Construction Base Manifolds Pressure Vessels Vessel Isolation Valves Pump Isolation Valves Non Return Valves Fasteners Antivibration Mountings Pumps Max System Pressure Max System Temp 18 0 1 3 6Litres sec 2 0 5 0 Teknospeed amp Mild steel Galvanised BS729 AISI 304 AISI 304 Butyl PED 97 23 C Certified WRAS Approved PTFE EN12165 Cu Zn Pb25n PTFE EN12165 EN12165 BZP BS 3643 Integral Casings AISI 316 Impellers Thermoplastic 10 Bar 40 C VG lss 4 Aug 2013 Dimensions Section 2 Specifications Configurations amp Dimensions Electrical Specifications VG lss 4 Aug 2013 i 535 28 5 N 4 Model Pump A mm B mm C mm D mm 7 VG2 2HM3 LZM 2HM3ZT 241 520 149 419 62 VG2 2HM5 LZM 2HM5ZT 306 594 149 419 65 VG2 2HM7 LZM 2HM7ZT 331 625 149 419 65 VG2 4HM5 LZM 4HM5ZT 281 569 149 419 70 VG2 4HM9 LZM 4HM9ZT 331 670 141 411 70 Full Full
15. Suitable switches are those having the characteristic curve for unidirec tional alternate and pulsating DC fault current type A or C They can be identified by the presence of the following symbol AX 6 2 2 Version with Cable and Plug The TKS system is equipped with power cord and plug When installing the pump make sure that the plug and corresponding outlet are easily accessi ble in case the system needs to be deactivated If the power cord is damaged it must be replaced at a service center or by qualified personnel 6 2 3 Input Filter The TEKNOSPEED converter is equipped with an input filter according to the EMC directive 6 2 4 Motor Overload Protection The TEKNOSPEED converter has an incorporated overload protection which guarantees absolute protec tion when it is connected to motors featuring the same nominal protection as that of the converter For lower power motors an auxiliary protection is used see chapter 6 2 5 6 2 5 Motor Overtemperature Protection PTC Some models may feature an extra protection thermistor in addition to the overload protection incorpo rated in the converter The thermistor PTC is attached to the base of the terminal board and connected through cables and mini fastons The corresponding dip switch will be in the PTC Y position For further information refer to chapter 12 6 2 6 Converter overtemperature protection The TEKNOSPEED converter has an incorporated overtemperature protection
16. Valente Director of R amp D and Engineering 82 VG 55 4 Aug 2013 VG lss 4 Aug 2013 Appendix C Manufacturer s Guide FAM Pressure Vessel This Appendix contains a modified version of the Installation Safety and Maintenance instructions provided by FAM Water Technology for their Pressure Vessels 83 User Guide VG Variable Speed Twin Pump Booster Sets General This product was designed for use in water lifting systems using submersed and surface electric pumps Its function is to absorb and conserve the potential energy of the pressurised liquid Stored energy from liquid under pressure is transferred to the water system when required and becomes serviceable once again The interchangeable diaphragm expansion tanks can also prevent water hammering Installation Safety Notes These notes are taken from the FAM Pressure Vessel Installation Manual This product is designed to hold water up to 110 C Never exceed the maximum working pressure and temperature of the expansion tank ensure appropriate controls are installed for this purpose During installation prepare adequate systems for drainage to limit damage caused by leakage from the tank draining and venting During installation the installer should account for external stress such as traffic wind and earthquakes Always install the appliance in conformity to current legislation This product must be installed and regularly inspected by qualified perso
17. advice or product information Customer Contractor responsibility To ensure that anyone working on the equipment is wearing all necessary protective gear clothing e ls aware of appropriate health amp safety warnings s has read the information in this section of the manual It is the responsibility of the customer and or the contractor Pump Servicing Before attempting to open any unit or service a pump Familiarise yourself with the relevant contents of this manual Installation maintenance and repair work must only be carried out by trained skilled and suitably qualified personnel AN Disconnect or lock out the power source to ensure that the pump s will remain inoperative Locking out the equipment by switching off the release mechanism or set value WILL NOT prevent accidental starting of the motor Allow the pump s to cool if over heated CLOSE the isolating valves on the suction and discharge connections of the affected pump s VENT the pump s slowly and cautiously Refer to Section 4 of this manual DRAIN the pump s Electrical Safety High voltages Especially applicable when Variable Speed Controllers Inverters are fitted When the inverter variable speed drive head is connected to the power supply the components of the power unit as well as certain components of the master control unit are also connected to the power supply TOUCHING THESE COMPONENTS CAN SERIOUSLY END
18. at the desired value If necessary make slight adjustments by turning the adjusting screw to the right or left If you need to lower the pressure setting we recommend that you open a user partially see next section Lowering the pressure value Make sure that the new value you have selected is within the head range specified in the TKS sy stem s rating plate The pump stops after approx 60 seconds The switch off pressure may be slightly higher than the desired value chapter 6 4 1 e Lowering the pressure value Make sure that the system is pressurized no user is open and the pump is off Unscrew the plug that protects the adjusting screw 24 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed en Open the on off valve located on the pump s delivery side Open a user or the test tap chapter 6 1 partially allowing the pressure to drop slowly The pump starts Turn the adjusting screw slowly to the left using a screwdriver Use the slotted blade screwdriver 2 5 mm provided with the TKS system The adjusting screw has a limited travel less than one turn between the minimum value O bar and the maximum value 10 bar Do not force it beyond the limits as you could damage the adjusting screw Read the pressure value on the gauge and keep turning the adjusting screw until the gauge pointer reaches the desired value Make sure that the pressure has stabiliz
19. cable fastening plate 7 Use the slotted blade screwdriver 2 5 mm provided with the TKS system for the connections on the converter s terminal board For further information refer to chapter 12 6 2 10 Serial Interface The TEKNOSPEED converter is equipped with a serial interface that can only be used on pumping sy stems with two pumps Do not connect any wires to the COM TX RX terminals of the serial interface For further information refer to chapter 12 23 VG Iss 4 Aug 2013 63 User Guide VG Variable Speed Twin Pump Booster Sets en 6 2 11 Pressure Transmitter The TKS system comes with pressure transmitter connected to the TEKNOSPEED converter s terminal board The transmitter is equipped with a 2 meter shielded cable If you need to wind up the cable do not coil it but fold it For further information refer to chapter 12 6 2 12 Regulation Dip switches The TEKNOSPEED converter is equipped with a series of microswitches dip switches that determine its operating cycle Do not modify the factory setting you could damage the converter or the system on which it is in stalled For further information refer to chapter 12 6 3 Initial Start up 6 3 1 Priming il Read the operating instructions for the electric pump Fill the pump and suction pipes with water before starting the system Dry running can damage the pump Start the system with the on off valve on the delivery side cl
20. com http www lowara co uk LOWARA UK Ltd Regional sales office Unit 1 Byram Industrial Park Low Street Brotherton Knottingley West Yorkshire WF11 9HS Tel 01977 607267 Fax 01977 607226 e mail salesuknorth lowara ittind com http www lowara co uk LOWARA IRELAND Ltd 59 Broomhill Drive Tallaght Industrial Estate Tallaght DUBLIN 24 EIRE Tel 1 4520266 Fax 1 4520725 e mail sales iri lowara ittind com http www lowara ie LOWARA LOWARA S r l 36075 Montecchio Maggiore Vicenza Italy Tel 39 0444 707111 Telefax 39 0444 492166 e mail mkt lowara ittind com http www lowara com LOWARA si riserva il diritto di apportare modifiche senza obbligo di preavviso LOWARA reserves the right to make modifications without prior notice VG Iss 4 Aug 2013 Appendix A Manufacturer s Guide CEA CA HM HMS Electric Pumps The product must be lifted and handled with care 2 APPLICATIONS Designed to handle clean non aggressive water free of dissolved gases For water with moderate gas content use BG and BGM garden models Typical applications Domestic water supply irrigation pressure boosting liquid transfer 3 WORKING LIMITS Max operating pressure 800 kPa 8 bar PSA 1 MPa 10 bar Max liquid temperature P BG SP HM 40 C CEA CA PSA 85 C 110 C for V version NOTE All pump models are suitable for domestic use provided the water temperature does not exceed 35 C
21. earlier carry out the following running tests before handing over the Pumpset for operational use 32 Duty Standby sets 1 On Duty Standby sets wait for a normal stop to take place or create the conditions where this would happen and check that the Duty pump stops Whilst stopped simulate a fault by inhibiting the Duty pump and then recreate the conditions for a normal start to take place Check that the Standby Pump now starts and runs in place of the inhibited Duty pump and observe the pressure values Wait for a normal stop to take place or create the conditions where this would happen and check the Standby pump stops Whilst stopped undo the inhibit to the Duty pump which should now return to normal Duty Assist sets 1 For Duty Assist applications run the system up to pressure using the Duty Pump only then deliberately create the condition s which will require the Assist Pump to operate as well e g open taps to reduce the pressure in the system to a point where one pump only cannot maintain the required output VG lss 4 Aug 2013 Section 4 Installation Commissioning and Routine Maintenance Verify that the Assist Pump starts and runs together with the Duty Pump and that the desired pressure is duly restored and maintained 2 Close the taps again thereby reducing the demand and check the Assist Pump slows down and stops allowing the Duty Pump to
22. electric pump lil Read this manual before using the product mproper use may cause personal injury and damage to property and lead to the forfeiture of the warranty coverage i For information regarding the electric pumps refer to the relevant manuals The instructions and warnings provided below concern the standard version Please refer to the sale contract for any modifications or special version characteristics Always specify the exact model identification code and construction number when requesting technical information or spare parts from our Sales and Service department For instructions situations or events not considered in this manual or in the sale documents please con tact our Service Center nearest you 2 Preliminary Inspection 2 1 Visual Inspection Upon delivery check the integrity of the packaging If the packaging is damaged unpack the product and inspect it visually to make sure it has suffered no damage during transport Should the product be damaged inform our dealer within 8 days from delivery 2 2 Handling and Storage The product is delivered in a cardboard box or wooden case During transport and storage protect it from humidity heat sources and possible mechanical damage impacts falls etc Lift and handle the product carefully using suitable hoisting equipment Refer to chapter 4 for further information 3 Applications The TKS system consists of a three phase electric pump the TE
23. fluctuations and power failures temporary outages can cause the motor to switch itself off Repair of faults can cause the motor to start up again unexpectedly High voltage testing may damage electronic components High voltage tests of the inverter or the motor may damage the electronic components Bridge before the incoming outgoing terminals L L2 L3 and U V W To avoid incorrect metering by capacitors incorporated in the electronic circuits isolate the motor from the inverter drive head VG 55 4 Aug 2013 Important Health amp Safety Information Operating Limits For Standard Dutypoint Pumpsets VG lss 4 Aug 2013 Type of pumped liquids Water with no gas or substances aggressive Maximum pumped liquids temperature 35 C for domestic uses EN 60335 2 41 40 C for other purposes Minimum pumped liquid temperature 1 C to avoid icing Operating ambient temperature 5 C to 40 C for indoor installation CEI EN 60439 1 Relative humidity Max 50 at 40 C Air impurities The air must be clean and free of acid vapours corrosive gases and excessive amounts of dust Storage temperature 5 C to 50 C Suction Conditions Refer to notes on Net Positive Suction Head NPSH included in Appendix D Minimum positive pressure 0 1 Bar Maximum positive pressure 0 5 Bar Datypoint User Guide VG Variable Speed Twin Pump Booster Sets Stat J
24. installation operations must be carried out by skilled and qualified personnel Use adequate equipment and protections Observe the accident prevention regulations in force Before proceeding with the installation read these operating instructions and the manual for the electric pump If the product shows evident signs of damage do not proceed with installation but contact our Customer Service Center Install the product in a sheltered location protected from the weather and freezing temperatures observe the working limits in order to guarantee adequate motor cooling For further information refer to chapters 4 and 12 Observe all the safety standards and accident prevention regulations in force 20 VG lss 4 Aug 2013 VG Iss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed en 6 Start up Information for installers The start up operations must be performed by skilled and qualified personnel Use adequate equipment and protections Observe the accident prevention regulations in force Wu Before starting the unit read these operating instructions and the manual for the electric pump LEA 6 1 Hydraulic Connection of Electric Pump T The hydraulic connections must comply with current standards and legislation The product can be connected directly to the municipal water system or the water can be taken from a storage tank In case of connection to the municipal water system follow the regulations l
25. phase of power supply 3 Discharge flow rate too 3 Reduce by the discharge flow rate by high increasing the discharge back Overload Trip pressure slightly progressively closing a manual isolating valve on the discharge side then try again 4 Overload trip setting 4 Check and if necessary reset the too low for rated duty overload trip value For Pump and Controller manufacturer s information refer to the appendices to this manual Technospeed Controller Troubleshooting If you suspect your problem is possibly caused by the Technospeed Controller please refer to the troubleshooting information on page 27 of the manufacturer s manual located in Appendix B VG lss 4 Aug 2013 38 User Guide VG Variable Speed Twin Pump Booster Sets VG Iss 4 Aug 2013 VG lss 4 Aug 2013 Appendix A Manufacturer s Guide CEA CA HM HMS Electric Pumps This Section contains a facimile copy of the Installation Safety Operating and Troubleshooting instructions provided by ITT Lowara for their CEA CA and HM HMS Electric Pumps e General User Guide e Failure Analysis System Procedure 39 40 User Guide VG Variable Speed Twin Pump Booster Sets LOWARA P PSA BG BGM GARDEN SP CE A CA HM HMS LQ CHIETI ITT Industries Engineered for life BARI 70026 Modugno Bari Via X Marzo 110 P Tel 080 5327453 Fax 080 5327926 e mail ban lowara ittind com BOLOGNA 40132 Bologna Vi
26. under pressure from the storage tank feeding the pump on the suction side escapes through the vent screw hole and no more air bubbles can be seen close the vent screw Switch on the electrical supply to the pump motor and start the pump in AUTO mode As each motor starts verify that the direction of rotation correctly corresponds with the direction of the arrow shown on the body of the pump If rotation is backward STOP switch off the pump and investigate Slowly open the valve on the discharge manifold outlet to the system allowing water to be pumped into the system Switch off re close the discharge valve and repeat steps 3 to 6 several times to ensure that all air is released from the pump body and local pipework The above procedure should be carried out individually for each pump in the Pumpset Procedure for lift suction Lift Suction is defined where the water storage tank is at a lower level than the pumpset In this case a negative pressure condition may exist at the pump suction AR The Lift Suction mode of operation requires specific venting WARNING procedures Please call Dutypoint Technical Support on 01452 300592 for advice before attempting to vent the pump s The advised procedure should then be carried out individually for each pump in the Pumpset Operational and Performance Tests Having checked that the Pumpset is installed precharged vented in accordance with the procedures set out
27. winding KO and start winding OK gt motor could not start both windings faulty gt overload C 3 motor 1 phase fine and 2 phases burnt gt powered with only 2 phases all phases burnt gt overload Date edition 12 2006 VG Iss 4 Aug 2013 51 User Guide VG Variable Speed Twin Pump Booster Sets ITT 6 Check list Type of problem Pump data Does not delivery water Type Low performance Code Does not starts Noisy Grounded motor Excessive power input Runs slowly Further Series number Installation date Manufacturing date Liquid pumped Temperature Note Lowara CEA CA HM HMS pumps failure causes required for claim opening D NRW 100 Flooded full of water 105 Uncorrect assemblyitesting of components 10 holes of drain condensate obstructed closed 11 Pinched gasket screws 12 Not complying components tooling 00 Further supply detailed description of failure 03 Not complying unsuitable applications 19 Normal wear EE HoiFuther S TOT Excessive power input 102 Motor shaftlocket overheating burnt 104 Wrong internal electrical connections __ 106 Uncorrect assembly testing of components 07 Bursted unconnected capacitor 08 Short circuit for contact with mobile parts 09 Short circuit between coils windings 14 Hydraulic rotating part locked 15 Presence of external matters between windings 00 Further supply detailed description of
28. within this User Guide however variations may occur but these will be redefined at the beginning of their manual Denotes attention to the possibility of the risk of personal injury or DANGER damage to adjacent property if the information is ignored ELECTRIC Denotes attention to the possibility of life threatening electric shock if SHOCK the information is ignored Denotes attention to a condition that may result in under performance or damage to the equipment if the information is ignored L3 La WARNING or WARNING Denotes attention to an important factor applicable to the action being NOTE performed 3 PLEASE READ THE FOLLOWING INFORMATION WHICH IS PROVIDED FOR YOUR SAFETY 6 VG Iss 4 Aug 2013 Important Health amp Safety Information United Kingdom Health amp Safety at Work Act 1974 Dutypoint responsibility Section 6 a ofthis Act requires manufacturers to advise their customers on the safety and the handling precautions to be observed when installing operating maintaining and servicing their products The user s attention is therefore drawn to the following The appropriate sections of this manual must be read before working on the equipment Installation operating and maintenance must only be carried out by suitably trained qualified personnel e Normal safety precautions must be taken and appropriate procedures observed to avoid accidents Refer to DUTYPOINT SYSTEMS for any technical
29. 185 4 Aug 2013 Appendix D Miscellaneous Technical Information ir k 20 40 60 80 90 110 120 Suction loss 55 40 60 go 90 110 120 m Elevation above 09 1000 1500 2000 2500 3000 sea level m Suction loss m 0 55 1 1 1 65 2 2 2 75 3 3 Friction loss must be calculated using a recognised formula To reduce it to a minimum especially in cases of high suction head over 4 5m or within the operating limits with high delivery values we recommend using a suction line having a larger diameter than that of the pump s suction inlet It is always a good idea to position the pump as close as possible to the liquid to be pumped Make the following calculation Liquid Delivery required Head for required delivery Suction difference in height The selection is a FHE 40 200 75 pump whose NPSH required value is 25m 30 m h water at 15 C g 1 Kg dm3 30 m3 h 43m 3 5 m For water at 15 C the hy term is Pv g 0 174 m 0 01701 bar eh Pa g 10 33m The hy friction loss in the suction line with foot valves is 1 2 m By substituting the parameters in formula with the numeric values above 10 33 3 5 gt 2 5 0 5 1 2 0 17 6 8 gt 4 4 The relation is therefore verified Convertion Factors VG Iss 4 Aug 2013 Pressure conversion L Sec L Sec L Sec L Sec Flow conversion L min
30. 22 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed en 6 2 7 Protection against dry running float switch The TEKNOSPEED converter can be connected to an external device for protection against pump dry running see chapter 6 1 The most conventional method consists in the use of a float switch installed in the suction tank To connect the cable of the external device you must remove the converter s radiator using a no 5 Allen wrench maximum torque 6 Nm Turn the radiator upside down paying attention to the connections with the removable terminal board The terminal board may have to be extracted Replace an M 16 x 1 5 plug with one of the cable glands supplied Lay the float switch cable and connect it to the terminals corre sponding to LOW 1 and LOW 2 suitable for 0 5 1 mm conductors Screw down the cable fastening plate and tighten the cable gland to secure the cable If you connect the suction side of the pump to the municipal water system you can use a pressure switch that opens its contact when the pressure drops below the set point If you are not using any device two terminals must be connected with a jumper Use the slotted blade screwdriver 2 5 mm provided with the TKS system for the connections on the converter s terminal board For further information refer to chapter 12 6 2 8 External Enable Device You can connect a switch instead of the float switch chapter 6 2 7 This external device ca
31. 3243 Fax 0434 632729 e mail pordenone lowara ittind com ROMA 00173 Roma Via Frascineto 8 Tel 06 7235890 2 linee Fax 06 7234617 e mail roma lowara ittind com TORINO Via Torre Pellice 17 10156 Torino Tel 011 2979022 2979046 Fax 011 2979001 e mail torino lowara ittind com VICENZA 36061 Bassano del Grappa VI Via Pigafetta 6 Tel 0424 566776 R A 3 Linee Fax 0424 566773 e mail bassano lowara ittind com Instructions for installation and use Safety Declaration of conformity ORGANIZZAZIONE COMMERCIALE EUROPA EUROPEAN SALES NETWORK LOWARA DEUTSCHLAND GmbH Biebigheimer Stra e 12 63762 GroBostheim OT Wenigumstadt D Tel 06026 9 43 0 Fax 0 60 26 9 43 2 10 emait info de lowara ittind com http www lowara de LOWARA FRANCE S A S BP 7311 37073 TOURS CEDEX 2 F Tel 0033 02 47 88 17 17 Fax 0033 02 47 88 17 00 e mail info fr lowara ittind com http www lowara fr LOWARA NEDERLAND B V POSTBUS 54 4180 BB Waardenburg Tel 0031 0 418 65 50 60 Fax 0031 0 418 65 50 61 e mail info ni lowara ittind com http www lowara nl LOWARA PORTUGAL Lda Praceta da Castanheira 38 4475 019 Barca Portugal Tel 00351 22 9478550 Fax 00351 22 9478570 e mail info pt lowara ittind com http www lowara pt LOWARA UK Ltd Main office Millwey Rise Industrial Estate Axminster Devon EX 13 5HU GB Tel 01297 630200 Fax 01297 630270 e mail uksales lowara ittind
32. 407 E Del Ez Hi nulficore cable 3x0 5 SUIS H a Nam Nd ND Ne 1 4 al 8 1 2 OL cda l le immioil s 2 als X 80 7 d 82A 01 N 1 ATddNS YIAOd LSML XIX 4 OJ At 84 2201 MOI DES E 2 TL Ng HM ND NS HM a 4 SAL OL m ME 4 d X 907 48 sal alo ol a4 al Ile QI id ZH09 0S ADEZXL 2 N s IN Alddns YaMOd 1 1 o oO LX DUS YOUMs 1801 4 yams einssed LUNWILUIA s qold kusi lonuo5 oN LIS ES H NIN XWW WO ZL NIN XVIN ON wes aeon 8 na No E 9 ON NOI ZV LY i 5 3 1 IL zw LW X 90
33. ANGER LIFE VG 55 4 Aug 2013 7 User Guide VG Variable Speed Twin Pump Booster Sets Before removing the frequency inverter cover the system must be disconnected from the power supply After switching off the power supply wait at least 5 minutes before starting work on or in the inverter drive head the capacitors in the intermediate circuit must be given time to discharge completely via the discharge resistors Up to 800 volts can be present if there are faults this can be higher All work carried out when the frequency inverter is open must be performed only by suitably qualified and properly authorised personnel When connecting external control wires care must be taken not to short circuit adjacent components Bare cable ends which are not in use must be insulated THE SYSTEM MUST ONLY BE OPERATED WHEN IT HAS BEEN CORRECTLY EARTHED AND PIPES BONDED TO EARTH IN ACCORDANCE WITH IEE REGULATIONS Electronic safety devices The inverter drive heads used in Dutypoint Systems Pumpsets contain electronic safety devices which switch off the control element in the event of a fault developing The motor will have zero current but will remain energised as it stops The motor can also be stopped by mechanical blocking Ifitis switched off electronically the motor is disconnected from the mains voltage supply via the electronics in the frequency converter The motor is not voltage free in the circuit itself Voltage
34. C chapter 6 2 5 Operating cycle adjustment dip switch chapter 6 2 12 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed Connection to motor over temperature protection PTC chapter 6 2 5 TKS_M0011_A_SC XLS Connection to external device for dry running protection chapters 6 2 7 and 6 2 8 21V RISKO TKS MD012 A SC XLS 1 Float or pressure switch 2 external device VG 55 4 Aug 2013 77 User Guide VG Variable Speed Twin Pump Booster Sets Connection to alarm relay chapter 6 2 9 0000000 Ea x zov ta TKS_M0013_A_SC XLS maximum 230 Vac maximum 1 A of resistive load only Serial interface connection chapter 6 2 10 COM Tx Rx Rx Tx TKS M0014 A SC XLS 78 VG 55 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed Connection to external transmitter chapter 6 2 11 TKS_M0015_A_SC XLS b white m brown How to fold the external transmitter cable chapter 6 2 11 TKS 0016 A SC XLS VG Iss 4 Aug 2013 79 User Guide VG Variable Speed Twin Pump Booster Sets Factory settings of dip switches for operating cycle adjustment chapter 6 2 12 PTC Y Mo cl KS M0017 A SC XLS 1 Version without PTC protection 2 Version with PTC protection Factory settings modification procedures chapter 6 3 3 TKS 0024 A SC XLS On off valve on delivery side Test tap Adjusting screw protection plu
35. Dutypoint Systems Variable Speed V G Twin Pump Booster Sets FULL USER GUIDE Manual Copyright Dutypoint Systems 2013 The contents information and copyright of this manual are the sole property of Dutypoint Systems No part ofthis manual may be copied reproduced stored or transmitted in any form or be translated into any language without prior written permission of the owners Every effort has been made to ensure the accuracy of this manual at the time of printing however our policy of continuous improvement means that specifications and instructions may change without notice Please Note Ifthe sytem that you have purchased has been modified updated or otherwise altered from the Dutypoint standard range additional information applicable to the change s will be provided in Appendix E atthe end of this manual DUTYPOINT SYSTEMS SHEPHERD ROAD GLOUCESTER GL2 5EL UK Tel 44 0 1452 300592 Fax 44 0 1452 303691 Email sales dutypoint com www dutypoint com Dutypoint Part Number VG M03 ss 4 Aug 2013 VG Iss 4 Aug 2013 Iss 4 Aug 2013 1 User Guide VG Variable Speed Twin Pump Booster Sets SAFETY Important Health amp Safety Information User Guide Document Conventions 6 United Kingdom Health amp Safety at Work Act 1974 ii 7 Dutypoint responsibility eese nnne 7 Customer Contractor responsibility a 7 SI eT alla Ile EE 7 Electrical Safe
36. ITT 101 Motor shaft 101 Motor shaft 200 Control device 300 Total hydraulic 403 Pump sleeve 404 OR Mechanical seal 408 Pump shaft joint 600 Product VG lss 4 Aug 2013 Section Manufacturer s Guide CEA CA HM HMS Electric Pumps Lowara Shaft toothing jut 112 Not complying components gain ER 100 Further supply detailed description offalurey 103 Not complying unsuitable applications ER fio Normal wa 0 077 120 Excessive war Tn H fFuth s A 401 Brokenvoracked 12 Not complying components tooling 100 Further supply detailed description offalure 103 Not compiyingyunsuitable applications ta Normal wear 05777 120 Excessive wear onr A 200 Not operate 105 Defected not operating electrical electronic components 00 Lack of technical commercial information 118 Not operating level sensors 119 Water full level sensors Further supply detailed description of failure Inadequate power supply Not complying unsuitable applications Normal wear Excessive wear Further 300 Low performance Uncorrect assembly testing of components Not complying components tooling 300 Wrong rating plate packing Further supply detailed description of failure Not complying unsuitable applications Normal wear Excessive wear T0fFurhe 4 104 Noisy locked 7 vibrate 106 Uncorrect assem
37. K N 10 VG Iss 4 Aug 2013 VG lss 4 Aug 2013 Introduction This Section introduces the VG Variable Speed Twin Pump Booster Sets and provides an overview of the Pumps and Controllers 11 Welcome 12 User Guide VG Variable Speed Twin Pump Booster Sets Thank you for purchasing one of the DUTYPOINT VG Variable Speed Twin Pump Booster Sets Dutypoint Systems is a Division of Elmbridge Pumps Company and manufactures pressure boosting pump systems Since its beginnings as a supplier of pumpsets to the water industry the name Dutypoint has become synonymous with unrivalled quality service and reliability This manual is compiled as a composite to include both the Dutypoint package information and the specific manufacturer s information necessary for the installation safe operation and user maintenance of your pumps Please read and familiarise yourself with the contents of this manual MCB Control lt Pressure Vessels Hm Pressure Transducers Isolation Valves Teknospeed Controllers Non Return Valves HM HMS Series Pumps gc Anti vibration Feet Fig 1 1 A Typical VG Variable Speed Twin Pump Booster Set VG Iss 4 Aug 2013 Section 1 Introduction VG Series Overview The VG Series of variable speed twin pump sets provides a selection of compact efficient systems based on ITT Lowara manufactured pumps with Teknospeed speed control These quiet pressure
38. KNOSPEED single phase converter and an electronic pressure transmitter also known as pressure sensor The TEKNOSPEED single phase converter is suitable for the control of a three phase electric pump ac cording to the conditions described in this manual and the supply voltage frequency specified in the ra ting plate The converter controls the operation of the pump in order to ensure a constant delivery pressure based on the signal received from the electronic pressure transmitter The TKS system can be used for domestic water supply irrigation and pressure boosting applications For further information refer to chapter 12 4 Working Limits For storage H e Ambient temperature 5 C to 40 C For operation li For information regarding electric pumps refer to the relevant manuals 19 VG 155 4 Aug 2013 59 User Guide VG Variable Speed Twin Pump Booster Sets en 4 1 TKS system TEKNOSPEED mounted on the electric pump Do not use the product in environments where corrosive and or flammable powders acids A gases etc are present Do not use the electric pump to handle dangerous or flammable liquids e Ambient temperature 0 C to 40 C Maximum relative humidity 50 at 40 C provided no condensation occurs Maximum height above sea level 1000 meters Protection class IP 55 if installed on motors with at least IP55 protection Maximum operating pressure refer to the operating instructions for the el
39. O HAND Refer to the appropriate manufacturer s information that is provided in the appendices of this manual for the equipment being serviced Recommended user weekly checks 1 Visually check the complete pumpsets system 2 Observe the running of the pump s and note any unusual vibration etc Recommended user quarterly checks 1 Visually check the complete pumpsets system 2 Observe the running of the pump s and note any unusual vibration etc 3 Operate each manual isolating valve three times to ensure continued efficient working Recommended user 6 monthly checks The pressure vessel should be drained and the pre charge pressure checked Refer to page 31 of this section for details VG Iss 4 Aug 2013 33 User Guide VG Variable Speed Twin Pump Booster Sets Essential 12 monthly maximum interval service Carry out the full Pre Commissioning procedure to verify correct safe operation Refer to page 30 of this section for details Detailed Pump Maintenance Please refer to the Manufacturer s document which you can find in Appendix A and Appendix C of this manual Detailed Controller Maintenance Please refer to the appropriate Manufacturer s document which you can find in Appendix B of this manual Detailed Accessory Maintenance If you have purchased additional accessories for your system please refer to the appropriate manufacture s document supplied 34 VG 55 4 Aug 2013 VG lss 4 Aug 2013 Troubleshooting
40. Sets LQ55T LQ75 110T LQ150T CEA370 1 CEA210 2 4HMS3T 2HMS3T CEA370 2 CEA210 3 CEA70 3 120 3 2HMST 4HM4T CEA370 3 CEA210 4 4HMS4T CEA210 5 2HMS4RT CEA70 5 CEA80 5 120 5 BG3 BGM3 GARDEN 2HMAT 4HMST 4HMSST Hmax m Type of pump 50 Hz Type of pump 60 Hz 4HMS36T 2HMS36T CEA2106 0 3706 0 CEA3706 0A CEA2106 1 2HM36T 4HM46T CEA3706 1 CEA1206 1 CEA2106 2 4HMS56T CEA1206 2 2HMS46T CEA2106 3 CEA706 3 CEA1206 3 2HM46T 4HM56T P16 2HMS4T BG5 BGM5 GARDEN P16 SPST CA70 33 120 33 200 33 BG7 BGM7 GARDEN 4HMS7T 2HMST CA70 34 P21 4HM7T BG9 BGM9 GARDEN 2HMS7T CA200 35 SP7T BG11 BGM11 GARDEN CA120 35 CA70 45 P30 2HM7T 4HM9T CA200 55 CA120 55 P40 P60 4HMS96T CEA1206 4 BG56 CEA706 5 2HMS6T 4HM76T 2HMS76T BG76 P21 P30 P40 2HM76T 4HM96T 2HMS96T SP76T CA706 33 2006 33 CA1206 33 P60 P70 PSA706 VG lss 4 Aug 2013 VG Appendix A Manufacturer s Guide CEA CA HM HMS Electric Pumps ITT Failure Analysis System Procedure Lowara CEA CA HM HMS Electric Pumps 1 Electric pump applications CA CEA made with AISI 304 and HM Pumping of water and liquids chemically and mechanically not aggressive Water storing Irrigations Water circulation cold hot chilled CA CEA made with AISI 316 and HMS Reverse osmosis Industrial washings Swimming pool Gold industry Wine produc
41. Voltage Motor Load Load Model Mo controller Rating 5 Current Current q y Pump Total VG2 2HM3 LZM Teknospeed 0 30kVV 230 1 50 2 30A 4 60A VG2 2HM5 LZM Teknospeed 0 55kW 230 1 50 3 50A 7 00A VG2 2HM7 LZM Teknospeed 0 75kW 230 1 50 4 90A 9 80A VG2 4HM5 LZM Teknospeed 0 55kW 230 1 50 3 50A 7 00A VG2 4HM9 LZM Teknospeed 1 10kVV 230 1 50 6 80A 13 60A 19 User Guide VG Variable Speed Twin Pump Booster Sets Pump Performance 2HM Series Pumps Operating Characteristics 2850rpm 50Hz 2850 rpm ISO 9906 Annex A The performances are valid for liquids with density 1 0 kg dm and kinematic viscosity 1 mm sec Lowara ITT Industries 20 VG 55 4 Aug 2013 Section 2 Specifications Configurations amp Dimensions 4HM Series Pumps Operating Characteristics 2850rpm 50Hz 120 Q I min 140 7 Q m h 8 04488B_B_CH The performances are valid for liquids with density 1 0 kg dm and kinematic viscosity L 1 mm sec loners ITT Industries VG 55 4 Aug 2013 21 22 User Guide VG Variable Speed Twin Pump Booster Sets VG lss 4 Aug 2013 VG lss 4 Aug 2013 The Control Panel This Section provides information on the Control Panel fitted to the range of VG Variable Speed Twin Pump Booster Sets 23 User Guide VG Variable Speed Twin Pump Booster Sets Control Panel The User Control Panel on the VG pumpsets is a simple unit providing
42. a Panigale 74 C Tel 051 6415666 Fax 051 6415527 e mail bologna lowara ittind com BRESCIA 25124 Brescia Via Volta 37 Tel 030 3531909 Fax 030 3534661 e mail brescia lowara ittind com CAGLIARI 09100 Cagliari Via Dolcetta 19 Tel 070 287762 292192 Fax 070 280946 e mail cagliari lowara ittind com CATANIA 95027 Gregorio Catania V a XX Settembre 75 Tel 095 7123226 7123987 Fax 095 498902 e mail catania lowara ittind com 66020 Sambuceto di S Giovanni Teatino Via Aldo Moro 125 Tel 085 4461360 4460231 4460449 Fax 085 4460630 e mail pescara lowara ittind com MILANO 20090 Trezzano sul Naviglio Milano Via Goldoni 29 Tel 02 48464476 Fax 02 4451634 e mail milano lowara ittind com NAPOLI 80017 Melito di Napoli Napoli Corso Europa 369 Scala A int 11 12 Tel 081 7113065 7113631 Fax 081 7115761 e mail napoli lowara ittind com PADOVA 35020 Albignasego Via A Volta 56 Zona Mandriola Tel 049 8801110 8801408 Fax 049 8801408 e mail bassano lowara ittind com PERUGIA 06100 Perugia Via Settevalh 133C Torre 2 3 Piano Centro Direzionale Piazza Settevalli Tel 075 5057126 Fax 075 5051242 e mail perugia lowara ittind com PISA 56025 Localit Gello di Pontedera Pisa Via di Gello 55 Tel 0587 296264 296286 Fax 0587 296410 e mail pisa lowara ittind com PORDENONE 33082 Azzano Decimo Pordenone Via 1 Maggio 65 A Tel 0434 63
43. a basic power connection point with MCB protected local isolation fig 3 1 Control adjustment for the transducer based monitoring system and pumpset status monitoring is provided on the fitted Teknospeed Control Unit Full details of the Teknospeed system operation local connections and status indicators is given in the manufacturer s manual republished in Appendix B of this manual CONTROL BOX QPTKS20 11 U CAUTION Power line protections to be supplied by user PE must be earthed RATING DATA Power P 2 x 1 1kW Voltage Uz 230V Frequency f 50 60Hz Current nz 16A Short time vvithstand current lwis Peak withstand current Ipk Short circuit current i 454A Degree of protection El psa JIP55 OIP CABLE Power BK HO7V K Neutral conductor BU H07 V K Auxiliary RD 05 V K Protective conductor GNYE H07 VK OG H05V K 1 1 J Tab CONTROL BOX POWER ln Ik 0F1 2 PE CONT BOX 14 Min S Max S kW N lkA err In mm2 mm2 992 QPTKS20 11 U 16 45 10A 15 25 k ABB 12743 Fig 3 1 The Control Panel 24 VG Iss 4 Aug 2013 Section 3 The Control Panel Bun auld 10u09 Z BI cda L ldg 81 DE XL XM TIAS XL XM qvis 84 M eLLUMSNVeM FINSSI A HILLINSNYVEL 28155390
44. aged seized Lack of adequate protection inside of control board for motors without internal protection see 2 3 Lack of ventilation of the motor Too high environment temperature Date edition 12 2006 55 User Guide VG Variable Speed Twin Pump Booster Sets p l l p PIOM Lowara pabewep Buiy O dund pewud joy ess uey Buneis Polo jo Aouanba y uiu oo 1474 A BA 40 SAV31 u1njoJ uou Spe weIs S dund pspejeq 99U9 SIS9J MOI JO PUE juBieu u H31VM AH3AT43d4 JojouJ 19 jeduur LON S3Od diNnd jo ezis BuoJM Je A Ooi neJp H ui8J0J JO eouesaJg lqelinsun SARA u1n 1 uou suonoeuuoo sBulpuim BuoJM 0 NU09 uo peDueuoxe sBuipuim UEIS pue unu ATMO1S SNNY pebewep 10 pealsui seseud sBuueeq Joo Jojowy ojjedu s oyew Z ylm p liddns 401014 jo ezis BUOIM uBi uo Jo e2uesaJgd poaJo9u1 fem eysoddo p l l p uoneinsuj peioejep sBuipuiMw p wud s dund ayy ul uni dwnd J0 0 ay UOnIpuoo UONENAEI episui abeyon Pauooun ul duing Ajpensed jano Alenijeg 1MdNI AONVINYOsAYSd YAMOd 3AISS3OX3 LOAYYOONI YOLOW 4034 ITT sdund SINH INH V9 V39 9911 san leq 2 uone nsul jo Dealer DEOH AO BulyeaysanQ jung 1010 pexoo 9INeIpAH peiddns seseu
45. avitation Incorrect performance Delivery outlet partially clogged Pump run in the opposite way Pump is undersized Wrong size of the motor Wrong diameter of pump impeller Clogged non return valve Unsuitable liquid density or specific weight Wear of hydraulic part Difference in height and or flow resistence too highs System leaks Pump operates in cavitation condition Pump is primed incorrectly Motor bearings damaged cause by condensate Presence of foreign matters Runs slowly Run and start windings exchanged on control panel 1 motor Wrong windings connections inside the motor 3 motor Grounded motor Generation of condensate inside of the motor Insulation defected Presence of foreign matters swarfs or bolts and screws Date edition 12 2006 VG 185 4 Aug 2013 ITT Excessive power input Hydraulic locked Overheating overload VG lss 4 Aug 2013 Section Manufacturer s Guide CEA CA HM HMS Electric Pumps Lowara Uncorrect voltage Windings defected Motor supplied with 2 phases instead of 3 3 motor Unsuitable liquid Wrong size of impeller motor Defected pump Defected bearings Too high frequency of startings Unsuitable liquid Presence of foreign matters inside of the pump Tolerance of tooling beyond the limits O ring out of seat Too high pumped liquid temperature Too high frequency of startings Wrong supply voltage Wrong size of pump motor Defected pump Thrust bearings dam
46. bly testing of components 112 Not complying components tooinm__ T__ 114 Hydraulic rotating part locked 100 Further supply detailed description otal T 103 Not complying unsuitable applications 119 Normal wear 400 Leak 100 Further supply detailed description of failure TATA ES Dy Gal O Ol Ml O ojojo DO o 119 Normal wear 120 Excessive wear 101 Further 400 Leak 106 Uncorrect assembly testing of components 112 Not complying components tooling 100 Further supply detailed description of failure 401 Broken cracked packing document 602 Not acknowledgment of 600 Out of legal warranty period warrant 601 Product tampering i ilure 112 Not complying components tooling i ilure Date edition 12 2006 53 User Guide VG Variable Speed Twin Pump Booster Sets amp 8 Faq Problem founded Possible causes of the problem Pump does not start Power supply problems no power unconnected or damaged cable supply voltage too low Hydraulic locked Fuses burnt Circuit breaker tripped not calibrated Capacitor too small or damaged 1 motor 2 phases powered 3 motor Motor is burnt because of insulation defected overheating or overload unsuitable liquid T T Lowara Pump does not delivery water Non return valve clogged Delivery outlet obstructed because of foreign matters Not primed pump Pump operates in c
47. cable to the change s 91 92 User Guide VG Variable Speed Twin Pump Booster Sets VG Iss 4 Aug 2013 DUTYPOINT SYSTEMS SHEPHERD ROAD GLOUCESTER GL2 5EL UK Tel 44 0 1452 300592 Fax 44 0 1452 303691 Email sales dutypoint com www dutypoint com
48. check that the expansion or pressure vessel s are totally drained of water and that the system is switched off and no electrical parts are live 2 Locate the charging valve on each vessel accessed by removing the plastic cover on the top of the vessel 3 Connect a portable pressure gauge with a measuring range compatible with the expected pressures in your application which has a flexible hose and Schrader type connector to the charging valve 4 Check the pre charge pressure above the diaphragm in each pressure vessel Accumulator correspond to criteria given in the text above 5 If necessary release or add additional air to correct Venting Pumps It is important to bleed all air from the pump body before initial start up Procedure for flooded suction Flooded Suction is defined as the condition where there is positive pressure on the suction inlet side of the pump s as is the case where the storage tank water level is at the same or higher level than the pump bleed point This procedure should be carried out individually for each pump in the Pumpset 1 Close any valve on the discharge manifold outlet to the system 2 Open all valves on the suction inlet side of the pump VG Iss 4 Aug 2013 31 User Guide VG Variable Speed Twin Pump Booster Sets Using the vent screw at the top of the pump refer to Appendix A to locate allow any air in the pump body and suction pipework to vent to atmosphere When water
49. continue on its own Commissioning Handover Check 1 Record any indicated voltage amperage pressure data controller passwords for future reference 2 Re check all isolating valves are fully open and replace any cover s With all the isolators ON and the switches and or control programs set to AUTO the pumpset is now fully operational in automatic control mode No manual operation or attendance is required other than for routine Y NOTE servicing and maintenance checks Other than for maintenance purposes the supply to the Controller s and the Pump motor s should never be switched off Routine User Maintenance Dutypoint Pumpsets have been designed to keep major maintenance requirements to a minimum Planned maintenance of the pumps and other principal components should therefore be undertaken at the intervals recommended in the manuals referenced below It is essential that a full test following the Pre Commissioning procedure on page 30 is carried out on an annual basis In addition the operator in charge should routinely make visual checks of the equipment during use noting particularly any unusual noises or vibrations This will give an immediate indication of any irregularity in the operation of the system DO NOT COMMENCE ANY MINTENANCE WORK UNTIL 1 YOU HAVE READ THE SAFETY SECTION AT THE BEGINNING OF THIS MANUAL N DANGER 2 ARE DRESSED IN THE CORRECT PROTECTIVE CLOTHING 3 HAVE ALL NECESSARY SAFETY EQUIPMENT T
50. ction and delivery pipes must be anchored to a wall and they mustn t charge to pump body otherwise suction and delivery pump cupling can break It is necessary insert a non return valve inside of delivery for protect the pump from water hammer and reverse rotation To get a correct priming of pump in starting condition it is necessary to fill the pump body and the delivery pipe with water otherwise the performance will be low and will generates damages of hydraulic part If the performances of pump are greater than witch previewed or if it pumps a dense viscous liquids is possible change their by turning of impeller Normally the pump is installed with horizontal axis it can be installed with vertical axis too but the motor must be positioned over the hydraulic part to avoid the contact with water in case ok leaks or condensate witch can be on the pump body 2 4 Operation with inverter Operation with inverter positioned inside of the control board not present particular limits see the inverter handbook Installation of our equipment TKS directly is possible only for 3 pump with power until 1 1kW 3 Equipments and tools required Megaohmeter 500 1000 Vac Date edition 12 2006 VG 55 4 Aug 2013 49 50 User Guide VG Variable Speed Twin Pump Booster Sets itt 4 Inspection of defected product Lowara 4 1 Preliminary information On receving of defective product requirements from Customer
51. d z 10 0U 0110edeo pabeuwep Jo jews oo pejeJqi eo jou paddi 1 Mo 00 Alddns pebewep Jo pejoeuuooun 480 91 15 LON 5300 10 Date edition 12 2006 Iss 4 Aug 2013 VG 56 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed This Appendix contains a facimile copy of the Installation Safety and Configuration instructions provided by ITT Lowara for the Teknospeed Controller e Instructions for Installation and Use e Troubleshooting 57 58 User Guide VG Variable Speed Twin Pump Booster Sets TKS SERIES ELECTRIC PUMP WITH TEKNOSPEED SPEED VARIATOR Instructions for installation and use Keep this manual for future reference Page numbers below refer to manufacturer s original manual T e page 19 2 Preliminary inspaclion ce ie page 19 3 ABPIICAlONSs Sana page 19 4 Working limits ee page 19 5 EE e EE page 20 EE page 21 FE Maintenance E page 26 8 Troubleshooting a eek page 27 Ce pal nen page 30 TOs RE E page 30 BR e EE page 30 Page numbers below refer to this Dutypoint manual 12 Tables and drawings nee page 71 ERR e eet ale page 82 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed English en 1 Overview The purpose of this manual is to provide the necessary information for proper installation operation and maintenance of the TEKNOSPEED converter connected to a LOWARA
52. e pump is used in refrigeration systems it is advised to remove the condensate evacuation plugs of the motor for facilitate her evacuation n case of pump with negative water head or in case of pumping of hot liquids it is necessary check the difference in height between the axias pump and the level of water can guarantee the correct working of pump without cavitation check NPSH value Pump must never operates without water to avoid damages of mechanical seal and hydraulic part The pump mustn t operates when the delivery outlet is closed overheating of pumped liquid and motor Lowara e 1 motors with power until 1 5 kW of CEA CA pumps and 1 motors of HM HMS pumps have an internal motor protection but they cannot operate without a operator supervision or insertion of additional protections inside of control board For 1 motor with power gt 1 5 kW of CEA CA pumps and all 3 motor must be protect with a circuit breaker installed by a Customer it is adviced use of Lowara control board It is necessary guarantee a correct air flow to cool the motor t is necessary the ventilation grid is not partially or totally obstructed otherwise it generates overheating and overload of motor Pump must be positioned correctly so that permit the disassembly of the motor and the hydraulic part without remove the pump body from pipe so that performe ease an inspection Pump must be positioned and anchored to a plane surface Moreover su
53. ect to the power mains using a multi pole power Switch with a switch contact gap of at least 3 mm As additional protection from lethal electrical shock install a high sensitivity differential switch 0 03 A FIG 11 Make sure that unauthorized people do not have access to the pump FIG 12 Disconnect the power supply to the electric pump or unplug the machine before carrying out any maintenance cleaning or handling operations If the power cord is damaged eer be replaced by qualified personnel to ensure against azards FIG 13 Use the pump only within the limits specified on the rating plate FIG 14 Do not run the pump with the port closed FIG 15 Be alert to hazardous situations caused by accidental power failure FIG 16 Protect the pump from the weather FIG 17 Caution Avoid icing FIG 18 Make sure the motor is properly ventilated Warning the motor can reach a temperature of 70 C 9 TROUBLESHOOTING THE PUMP DOES NOT START Check the power supply Reset the ground fault interrupter or circuit breaker if it has trig gered The thermo amperometric protection incorporated in the single phase versions may have activated it will reset auto matically once the motor has cooled THE MOTOR STARTS BUT THE PUMP DOES NOT DELIVER The pump is sucking in air check the liquid level the tightness of the suction pipe and the operation of the foot valve THE PUMP S DELIVERY IS REDUCED Check for throttling and di
54. ectric pump The standard version features a transmitter with 10 bar full scale chapter 4 2 Temperature of pumped liquid 1 C to 40 C Nature of pumped liquid water containing no chemically aggressive substances or suspended solids e Maximum rated power of electric pump connected to the converter 1 1 kW e Converter supply voltage 1 x 230 V 10 50 60 Hz Converter output voltage corresponding to the motor supply voltage 3x230V 1096 12 50 Hz these values vary according to the converter s voltage frequency curve Converter s rated input current 6 8 A Converter s rated output current 4 6 A e Maximum number of starts per hour evenly distributed read the operating instructions for the electric pump 4 2 Pressure transmitter The sensor for this transmitter is a piezo resistive silicon element which is sensitive to pressure It is mounted on a small flexible printed circuit TAB and is immersed in an oil chamber The pressure is tran smitted to the sensor through a steel diaphragm located in the oil chamber Pressure range O to 10 bar Power supply 21 Vdc from TEKNOSPEED Output signal 4 to 20 mA e Connection male made of nickel plated brass Electrical connector removable provided with 2 meter shielded cable Protection class IP 55 For ambient conditions other than those specified above please contact our Sales and Service Department 5 Installation Information for installers d The
55. ed at the desired value If necessary make small adjustments by turning the adjusting screw to the right or left Make sure that the new value you have selected is within the head range specified in the TKS sy stem s rating plate The pump stops after approx 60 seconds The switch off pressure may be slightly higher than the desired value chapter 6 4 1 For further information refer to chapter 12 6 3 4 Indicator Lights On the adhesive plate attached to top of the radiator there are three LED s with the following functions Steady green light Power Indicates that the TKS system is powered Steady yellow light Indicates that the pump is running Flashing red light Alarm Indicates an alarm has triggered If an alarm is triggered the red light will flash more or less rapidly depending on what has caused the sy stem to shut down Except for lack of water on the suction side in all other cases the system will automa tically start again after 20 seconds If the cause of the malfunction persists after three attempts to restart the system will definitively shut down except in case of lack of water on the suction side For further information refer to chapters 8 1 and 12 6 4 Product Description Information for users The TKS system consists of an electric pump operated by an automatic electronic control system fre quency converter known also as speed variator that enables the delivery of constant pressure by redu cing or
56. er supply WARNING Ensure that the power source is sufficient to allow the running of two pumps together Refer to Section 2 of this manual 2 Check that all electrical connections are correctly made and secure Pay particular attention to Earth and bonding connections 3 Carry out specific checks for Earth bonding 4 Carry out NICEIC certification checks as required for the installation e g Earth Loop Impedance Insulation Tests etc 5 Carry out any other pre start checks recommended by the pump manufacturer Refer to the pump manual in Appendix A of this manual DO NOT POWER UP AT THIS STAGE 30 VG 55 4 Aug 2013 Section 4 Installation Commissioning and Routine Maintenance Final checks before commissioning 1 Re check all equipment for any accidental damage caused during installation 2 Carry outthe Precharging and Venting procedures described next Pressure Vessel Precharging Before commissioning starts the precharge of the pressure vessels should be checked On variable speed systems the precharge air pressure for vessels should be 90 of the maximum pressure generated by the pump in the pipework system e g Ifthe max pressure generated by the pump in a system is 6 bar This will require a pre charge pressure of 6 x 90 5 4 bar Refer to the following table Required Pressure Precharge Pressure Fig 4 1 Pump PreCharge Pressure Calculator To verify the precharge pressure 1 First
57. failure 21 Inadequate power supply 03 Not complying unsuitable applications 13 Inadequate size of motor 16 Inadequate cooling 19 Normal wear 20 Excessive wear 01 Further 06 Uncorrect assembly testing of components 07 Bursted unconnected capacitor 17 Defected wrong rotor 118 Not operating level sensors 119 Water full level sensors 100 Further supply detailed description of failure 100 Electric motor pre 100 Electric motor 100 Electric motor 102 Runs slowly does not s 118 Not operating level sensor 119 Waterfullevelsensors 100 Further supply detailed description or falur 103 Not complying unsuitable applications E 113 Inadequate size of motor T H TFuih s 105 Defected not operating electricarelectronic components 118 Not operatinglevelsensors 100 Further supply detailed description oratur 103 Not complying unsuitableapplicaions iF A 104 Noisy locked vibrate 102 Locked motorshatt CIT ok windings 106 UncorectassemblylesUngorcomponens 12 Not complying components tooling 14 Hydraulic rotating part locked 00 Further supply detailed description of failure 03 Not complying unsuitable applications 19 Normal wear 20 Excessive wear 01 Further 100 Electric motor 103 Does not stops 101 Motor shaft Date edition 12 2006 VG 185 4 Aug 2013
58. g Adjustment screwdriver Pressure gauge for reading of system pressure value Qn GM 80 VG 65 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed Factory setting chart chapter 6 3 3 PRESSIONI PRESSURES PRESSIONS DRUCKWERTE PRESSOES DRUKWAARDEN ge m __ ETT WE SE 250 25 _SV200 HT A TKS WR R OT XI amp Basic structure of TEKNOSPEED frequency converter chapter 6 4 VG 1x230 Vi 3x230 V TKS 0019 A SC XLS c a Alternate current c c Direct current RAD Rectifier INT Intermediate circuit INV Inverter MOT Motor CONTR Control circuit TRASM Transmitter Iss 4 Aug 2013 81 User Guide VG Variable Speed Twin Pump Booster Sets 13 Declaration of Conformity Lowara srl with headquarters in Montecchio Maggiore Vicenza Italy hereby declares that the prod ucts described below TKS series electric pumps equipped with Teknospeed frequency converter pressure transmitter with two meter cable and power cord with plug comply with the provisions of the following European Directives and with the regulations transposing them into national law e Machinery 98 37 EEC e Low Voltage 73 23 EEC and subsequent amendments e Electromagnetic Compatibility 89 336 EEC and subsequent amendments and with the following technical standards e EN 60335 2 41 EN 55014 1 EN 55014 2 EN 61000 3 2 EN 61000 3 3 Montecchio Maggiore Italy 31 10 2002 Amedeo
59. increasing the flow rate based on the water demand 6 4 1 Operation The automatic electronic control system receives a signal from a pressure sensor and compares it with the set value When the system is pressurized the pump is switched off Water consumption by the users determines a decrease in system pressure which causes a reduction in the value of the signal In this case the control System starts the pump regulating its speed until the reference or operating pressure is re established If the water consumption increases the control system increases the speed of the pump while if the water consumption diminishes the control system decreases the speed of the pump When the maximum flow rate of the pump is reached the control system runs the pump at its maximum nominal speed If the pressure increases because of decreased water consumption the value of the signal from the sen sor increases in this case the control system reduces the speed of the pump If there is a swift decrease in water consumption e g due to sudden closing of the faucets the control System runs the pump at minimum speed for approx 60 seconds and then stops it In this case the stop ping pressure coincides with the set value 25 VG Iss 4 Aug 2013 65 DD User Guide VG Variable Speed Twin Pump Booster Sets en If the water consumption decreases gradually the system runs the pump at a slightly higher pressure for approx 60 seconds with trans
60. l appropriate valves are fully 4 Incorrect pump rotation 4 Check and rectify the pump is are partially or completely obstructed e g impeller obstructed by foreign matter serious damage to the mechanical seal pipework closed or open partially closed For Pump and Controller manufacturer s information refer to the appendices to this manual 36 VG lss 4 Aug 2013 Section 5 Troubleshooting Item Fault Possible Cause s Recommended Action 1 Pump is cavitating 1 Increase the discharge back pressure slightly by progressively closing a manual isolating valve on the discharge side until the cavitation stops Pump vibrates 2 Motor bearings worn 2 Check and rectify and or is noisy 5 The rotating part s of 3 Strip the pump to inspect and rectify the pump is are partially or completely obstructed e g impeller obstructed by foreign matter For Pump and Controller manufacturer s information refer to the appendices to this manual 1 Ifthe pump has a Hand 1 Switching to Auto should restore Control option on it s normal control control panel If normal control is not returned an Pump runs immediate service visit is required continuously 2 Pump has no Hand 2 An immediate service visit is Control option required 1 Pipework or the pump 1 Check and rectify chamber has a partial blockage 2 Momentary loss of one 2 Check and try again
61. mitter full scale equal to 10 bar 0 2 bar and then stops it if there is no further water consumption If the system is powered the green Power light is on When the pump is running the yellow Run light is on If there is a shutdown or malfunction the red Alarm light comes on If an alarm is triggered the red light will blink more or less rapidly depending on the cause of the shut down Except for lack of water on the suction side in all other cases the system will automatically start again after 20 seconds If the cause of the malfunction persists after three attempts to restart the system will definitively shut down Refer to experienced and qualified personnel for any adjustments and or maintenance opera tions Do not attempt to change the settings or open the control system i Before using the equipment read the manuals and store them safely A Store the screwdriver supplied with the TKS system in a safe place 7 Maintenance Information for maintenance personnel Observe the following directions if you need to carry out any service operations on the product Maintenance operations must be performed by qualified personnel only that are potential free are voltage free Always disconnect the TEKNOSPEED converter from the power supply before carrying out any operations on the system s mechanical or electrical components After disconnection from the power source wait at least 1 minute before carrying out an
62. mpsets Operating from our works and offices in Gloucester with easy access to the national motorway network Dutypoint is strategically placed to provide prompt and efficient Commissioning and Maintenance service all over the UK Commissioning Before shipment all Dutypoint booster sets are pre commissioned Whilst important procedures such as venting and rotational direction checks need to be carried out on site parameters including pressure settings and delay timers are adjusted to suit the site conditions as advised In practice a system can almost invariably be made to perform more efficiently if correctly commissioned on site Please note that engineer visits are priced at one visit to commission one pump set Ifthere are multiple units on a site special terms can be negotiated To arrange a commissioning visit please call the Technical Service Help line shown below Post Installation Help For any assistance required call the Technical Service Help line shown below TECHSERVICE HELPLINE 01452 300590 15 16 User Guide VG Variable Speed Twin Pump Booster Sets VG Iss 4 Aug 2013 VG lss 4 Aug 2013 Specifications Configurations amp Dimensions This Section lists specifications and specific details for available variants of VG Pumpsets e Identifying Your Pump e General Specifications e Dimensions e Electrical Specifications e Pump Performance 17 User Guide VG Variable Speed Twin Pump Booster
63. n be used to enable or disable the system We recommend using a shielded cable The stripping of the cable should allow the shielding to be in contact with the cable fastening plate 7 Use the slotted blade screwdriver 2 5 mm provided with the TKS system for the connections on the converter s terminal board For further information refer to chapter 12 6 2 9 Alarm Relay The TEKNOSPEED converter has a contact that can be used to obtain an external shutdown or malfunc tion signal This contact is closed when e the pump is not running due to one of the following causes no voltage motor overload chapter 6 2 5 motor overtermperature chapter 6 2 6 converter overtemperature chapter 6 2 7 Probe faulty or disconnected chapter 6 2 11 e lack of water on suction side chapters 6 2 8 and 6 2 9 To connect the cable you must first take the radiator off the converter using a no 5 Allen wrench maxi mum torque 6 Nm Turn the radiator upside down paying attention to the connections with the remova ble terminal board The terminal board may have to be extracted Replace an M 16 x 1 5 plug with one of the cable glands supplied Lay the cable and connect it to the terminals corresponding to COM and NC suitable for 0 51 mm2 conductors Screw down the cable fastening plate and tighten the cable gland to secure the cable We recommend using a shielded cable The stripping of the cable should allow the shielding to be in contact with the
64. nditions of incipient cavitation excluding the vapour pressure expressed in m that the liquid has at the pump inlet To find the static height h at which to install the machine under safe conditions the following formula must be verified h h gt NPSH 0 5 h hpv Where hp isthe absolute pressure applied to the free liquid surface in the suction tank expressed in m of liquid hp is the quotient between the barometric pressure and the specific weight of the liquid hz is the difference in height between the pump axis and the free liquid surface in the suction tank expressed in m h is negative when the liquid level is lower than the pump axis h is the friction loss in the suction line and its accessories such as fittings foot valve gate valve elbows etc hp the vapour pressure of the liquid at the operating temperature expressed in m of liquid hpv is the quotient between the Pv vapour pressure and the liquid s specific weight 0 5 is the safety factor The maximum possible suction head for installation depends on the value of the atmospheric pressure i e the elevation above sea level at which the pump is installed and the temperature of the liquid To help the user with reference to water temperature 4 C and to the elevation above sea level the following tables show the drop in hydraulic pressure head in relation to the elevation above sea level and the suction loss in relation to temperature VG
65. nnel only The manufacturer shall not be held liable for any personal or material damage caused by the product if installed and or used improperly or in way anyhow diversely from manufacturer s specifications Exceeding temperature and pressure limits specified by the manufacturer will give cause to cancel any guarantee covering the product as well as any manufacturer s liability For fluids other than water check compatibility before installing The appliance must be installed in a safe place with access for authorized personnel only The appliance must be protected by an appropriate earthing systems or isolated from the system by a dielectric joint Periodic Maintenance Periodic maintenance is recommended at least twice a year and should be carried out by authorised specialised personnel only 1 First check that the expansion or pressure tank is totally drained of water and that the system is switched off and no electrical parts are live 2 Check and if necessary reset the precharge pressure using the procedure in Section 4 page 31 of this Dutypoint manual Ensure that the pressure does not exceed the value specified in the procedure General Maintenance and Repair Disconnect all electrical equipment before starting on any maintenance jobs or checking the installation pressure and temperature The precharge pressure should be checked and if necessary corrected during any maintenance work 84 VG lss 4 Aug 2013 VG
66. ocally in force issued by City utility company etc We suggest that you install a pressure switch on the suction side for deactivation of the electric pump in the event of low water system pressure protection against dry running Make sure that the water system pressure added to the maximum pressure of the pump does not exceed the maximum operating pressure value nominal pressure NP allowed for the pump For example if the system features a CA 70 33 pump we can calculate that Maximum head of the pump 43 meters equivalent to a closing contact pressure of approximately 4 3 bar Maximum working pressure allowed 8 bar NP 8 Water system pressure consider the maximum value 1 5 bar Resulting maximum working pressure 43 15 5 8 less than the 8 bar limit When using a storage tank it is necessary to install a float switch for deactivation of the electric pump in the event of low water protection against dry running You must install a pressure gauge on the delivery side as it may be necessary to modify the fac tory settings based on the actual installation conditions To complete the system flexible pipes on suction and delivery side on off valves on suction and delivery side non return valve and surge tank with diaphragm are normally installed To avoid having to drain the system in the event that the diaphragm tank or the pressure gauge or the pressure transmitter need re placing we advise you to install on off valves If you ins
67. osed Then open the valve gradually When the air in the pipe has been Died off the pump will run smoothly and silently 6 3 2 Checking the Direction of Rotation of the Motor There is no need to check the direction of rotation of the motor since it is pre set at the factory 6 3 3 Operating Pressure Calibration r A pressure gauge must necessarily be installed on the delivery side as it may be necessary to e modify the factory setting according to the actual installation conditions and system require ments The TKS system comes with a factory setting that enables it to be used To modify the pressure based on the actual system requirements proceed as follows e Increasing the pressure value Make sure that the system is pressurized no user is open and the pump is off If there are any open users you can close the on off valve located on the pump s delivery side Unscrew the plug that protects the adjusting screw Turn the adjusting screw slowly to the right using a screwdriver Use the slotted blade screwdriver 2 5 mm provided with the TKS system The adjusting screw has a limited travel less than one turn between the minimum value O bar and the maximum value 10 bar Do not force it beyond the limits as you could damage the adjusting screw The pump starts Read the pressure value on the gauge and keep turning the adjusting screw until the gauge pointer reaches the desired value Make sure that the pressure has stabilized
68. pump sets have been designed for use where space is limited and provides ease of maintenance and reliability They are ideal for installation in residential property Pump Overview VG 185 4 Aug 2013 Technical features Twin variable speed pumps Teknospeed intelligent control Cyclic duty changeover Integrated adjustable pressure control System pressure gauge Low water cut out contacts Motor thermistor protection Pressure setpoint adjustment Local electrical isolation with MCB protection Anti vibration feet Individual alarm warning LED Power Factor controller circuit to maintain the required pressure in the event of mains voltage fluctuations sinusoidal Common fault volt free contacts Options Flexible expansion joints Low level float switch The VG Series uses ITT Lowara HM Series Horizontal Centrifugal Electrical Pumps Full details of the pumps are given in the manufacturer s manual republished in Appendix A of this manual Fig 1 2 ITT Lowara HM HMS Series Pumps 13 User Guide VG Variable Speed Twin Pump Booster Sets Teknospeed Variable Speed Drive The Teknospeed designed and developed by ITT industries is a simplified air cooled control attached to the pump which adjusts motor speed so as to constantly provide users with the same pressure even when demand for water changes The controller relies on a 4 20mA signal to maintain a preset pressure The required pressure
69. rection of rotation in three phase models THE PUMP STOPS OCCASIONALLY Triggering of thermo amperometric protection single phase version or of temperatu re relay due to excessive current input contact an Authorized Service Centre Acoustic pressure dB A PSA BG BGM GARDEN CEA CA HM LQ 50 60 Hz 70 P16 P21 P30 P40 50 Hz 70 P16 P21 P30 P40 60 Hz 73 2 P60 P7O SP 50 Hz 7212 P60 P70 SP 60 Hz 77 2 11 DECLARATION OF CONFORMITY PRODUCTS P PSA BG BGM GARDEN SP CEA CA HM LQ Manufactured by LOWARA Montecchio Maggiore VI Italy The products listed above comply with the following Directives Machine Directive 98 37 EEC EN standard 292 Low Voltage Directive 73 23 EEC and related supplements EN standards 60335 1 and 60335 2 41 Electromagnetic Compatibility Directive 89 336 EEC and related supplements EN standard 50081 1 and 2 SIGNATURE TITLE Amedeo Valente Director of R amp D and Engineering User Guide VG Variable Speed Twin Pump Booster Sets Iss 4 Aug 2013 VG 42 VG 185 4 Aug 2013 Appendix A Manufacturer s Guide CEA CA HM HMS Electric Pumps ca 1 5 Hm nom on vi a Mi LT T L1 L3 lo W2 U2 V2 2U1 2V1 T TT L1 ES AQ 43 Appendix A Manufacturer s Guide CEA CA HM HMS Electric Pumps 45 VG Iss 4 Aug 2013 User Guide VG Variable Speed Twin Pump Booster
70. rface cable M16 x 1 5 cable gland or plug Inlet for malfunction signalling relay cable M16 x 1 5 cable gland or plug Inlet for power supply cable M20 x 1 5 cable gland VG 185 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed TEKNOSPEED converter opening sequence chapter 6 TKS_M0020_A_SC XLS TKS_M0022_A_SC XLS TKS_M0023_A_SC XLS How to fasten the cable shielding chapters 6 2 8 6 2 9 6 2 11 TKS M0021 A SC XLS VG 55 4 Aug 2013 75 User Guide VG Variable Speed Twin Pump Booster Sets Diagram of TEKNOSPEED converter s internal connections chapter 6 NOOR GM Auxiliary terminal board O O GM 76 SC KLS MODO A TKS 6 35 mm Faston male connectors for motor terminal board cables Terminal board for transmitter float switch serial interface IN OUT 6 35 mm Faston male connectors for phase and neutral power cord Ground screw for power cord Operating cycle adjustment dip switch 2 8 mm Faston male connectors for thermistor Terminal board for malfunction signals OUT LOW 1 LOW 2 FB V COM m Tx T Rx Tx COM N C TKS MO010 A SC XLS Connection to external device for dry running protection chapters 6 2 7 and 6 2 8 Connection to external transmitter chapter 6 2 11 Serial interface connection chapter 6 2 10 Connection to alarm relay chapter 6 2 9 Connection to motor over temperature protection PT
71. rsonnel only For further information refer to chapters 7 and 12 8 1 Visual Signaling Devices 8 1 1 Operation 7 Green light povver No povver On steady Povver Off Pump off On steady Pump running TKS 0025 A OT XLS These basic signals are integrated by the alarm signals Therefore there could be combinations of si gnals such as green light on povver yellovv light off pump off and flashing red light alarm 8 1 2 Alarm signals If an alarm is triggered the red light flashes more or less rapidly flashing pause flashing depending on the cause of the 7 shutdovvn Red light alarm No malfunction Red light alarm Flashing Overcurrent shutdovvn xa x2 O E x2 x2 Red light alarm Flashing Converter overtemperature x3 O IL x3 shutdown Cy Red light alarm Flashing Motor overtemperature IL x4 O IL x4 shutdown gt F qu N J Red light alarm Flashing Shutdown caused by lack of water on suction side Or shutdown caused by open external switch contact Red light alarm Flashing No signal from transmitter shutdown Red light alarm Flashing Low voltage undervoltage shutdown Red light alarm Flashing Problems at serial output for 2 pump units TKS_M0026_A_OT XLS Be careful when servicing the system as it could restart automatically Shutdown caused by lack of water on suction side If the system shuts down because there is not enough water on the suction side it will restart au
72. set point can be adjusted by a potentiometer on the side of the unit Contacts for a low water floatswitch and for alarm condition are incorporated and a small panel provides Power Run and Alarm leds The rate of flash of the Alarm led identifies up to seven different types of fault condition Full details of Teknospeed system is given in the manufacturer s manual republished in Appendix B of this manual Fig 1 3 ITT Teknospeed Controller Pressure Vessels 14 Pressure Vessels are fitted to the discharge manifold of the pump sets to maintain the pressure in the system when there is no demand and the pumps are stopped Full details of vessels used given in the manufacturer s manual republished in P Appendix C of this manual 5 Fig 1 4 The Pressure Vessel VG lss 4 Aug 2013 Section 1 Introduction Control Panel Overview The Power Control Panel for the VG Pumpset is a simple unit supporting Power Connection a local Electrical Isolator and MCB protection Control adjustment and status monitoring is provided on the Teknospeed control unit Dutypoint m w Full details of the Control Panel is given in Section 3 of this manual Fig 1 5 The Control Panel Commissioning and Post Installation Help VG Iss 4 Aug 2013 Dutypoint Systems is a Division of Elmbridge Pumps a long established firm of Pumping Engineers specialising in packaged Booster Pu
73. sets 87 User Guide VG Variable Speed Twin Pump Booster Sets Net Positive Suction Head NPSH 88 The minimum operating values that can be reached at the pump suction end are limited by the onset of cavitation Cavitation Cavitation is the formation of vapour filled cavities within liquids where the pressure is locally reduced to a critical value or where the local pressure is equal to or just below the vapour pressure of the liquid The vapour filled cavities flow with the current and when they reach a higher pressure area the vapour contained in the cavities condenses The cavities collide generating pressure waves that are transmitted to the walls These being subjected to stress cycles gradually become deformed and yield due to fatigue This phenomenon characterised by a metallic noise produced by the hammering on the pipe walls is called incipient cavitation The damage caused by cavitation may be magnified by electro chemical corrosion and a local rise in temperature due to the plastic deformation of the walls The materials that offer the highest resistance to heat and corrosion are alloy steels especially austenitic steel The conditions that trigger cavitation may be assessed by calculating the total net suction head referred to in technical literature with the code NPSH Net Positive Suction Head Calculating NPSH The NPSH represents the total energy expressed in m of the liquid measured at suction under co
74. tall a check valve on the pump s delivery side position the pressure transmitter downstream from the valve We advise you to install a test tap to be used during the TKS system s calibration stage chapter 6 3 3 unless a water drawing point is already present in the vicinity of the pump For further information refer to chapter 12 6 1 1 Surge Tank Diaphragm Tank A diaphragm tank must be installed on the delivery side of the electric pump to maintain pressure in the System when there is no water demand in order to prevent continuous pump operation With the TEKNOSPEED converter there is no need for a large capacity tank The nominal capacity of the tank in liters must be at least 596 of the maximum flow rate liters per minute of one pump with a mini mum of 8 liters of nominal capacity Example maximum flow rate of pump 60 liters per minute nominal volume of tank 60 x 0 05 3 liters 8 liters maximum flow rate of pump 150 liters per minute nominal volume of tank 150 x 0 05 7 5 liters 8 liters 21 61 62 User Guide VG Variable Speed Twin Pump Booster Sets en Make sure that the surge tank can handle the maximum pressure of the system Check and adjust the precharge pressure before connecting the surge tank to the system If the surge tank is already connected you will have to drain the system before you check and adjust the precharge pressure To avoid doing this we suggest that you install an on off
75. ted for interference this disc is necessary to keep close the stages in the HM HMS pumps conditions of O Ring positioned between pump body and suction flange CA the presence of foreign matters Date edition 12 2006 VG lss 4 Aug 2013 Section Manufacturer s Guide CEA CA HM HMS Electric Pumps ITT Unscrew the lock nut and extract one by one the stages diffuser impeller and check the presence of wear or defects of welds stainless steal impellers presence of wear in the bush of plastic impeller HM Remove O Ring from his seat on seal holding disc check the presence of wear or cuts Extract the mechanical seal from shaft taking care of not damage it and remove the seal housing check condition of her surface and condition of wear positioning of fixed part of mechanical seal on the seal holding disc 4 if the mechanical seal is not positioned correctly it reduces her operating life and her efficiency if inside of CEA pumps there are the three indents on the seal holding disc check their wear condition possible wear indicates the pumping of abrasive liquid Extract the rotor and check the conditions of bearings Performe an heads visual analysis for finding possible problems with following cases a all motors one or more winding coils burnt gt shorted coil b 1 motor run winding OK and start winding KO gt capacitor defected run
76. tion 2 Critical items of application 2 1 Electrical supply In running condition max variation of supply voltage 10 atoo high voltage generates overheating and overload a too low voltage generates starting problems Max frequency of start 40 start h an excessive number of starting generates overheating and overload of motor frequents start and stop of pump can generate a rupture of the motor tie rods Date edition 12 2006 Iss 4 Aug 2013 47 User Guide VG Variable Speed Twin Pump Booster Sets T T Lowara 2 2 Liquid Pumps made in standard configuration must pump clean water or condensate Temperature limits and standard configurations CEA CA pumps 10 C 85 C with mechanical seal ceramics coal NBR CEA N CA N pumps 10 C 85 C with mechanical seal ceramics coal EPDM HM pumps 10 C 60 C with mechanical seal ceramics coal EPDM HMS pumps 10 C 110 C with mechanical seal ceramics coal EPDM In case of applications with bigger range of temperature and pumping of other liquids pumps must be configurated with attention Main configurations realized based on the type of application are wrote in the following table Application Advised seal Nale Deionized water Silicon carbide Special Suitable for waters witch have just undergone coal EPDM oFPM by process of direct or reverse osmosis Demineralized water Silicon carbide Special coal EPDM oFPM Paste
77. to thermal switch Reset the switch The electric pump does not start or it stops if it is already running The main switch is on Green light on Red light on flashes 2 flashes Motor overload Check the working conditions of the electric pump Damaged motor stator Check the motor 3 flashes Converter overtemperature Check to see if anything is preventing the proper cooling of the converter A flashes Motor overtemperature if the terminal board is equipped with the PTC protection Check the working conditions of the electric pump 5 flashes Triggering of dry running Check the water level Check the external device and the related connection cables 6 flashes Problems with the pressure transmitter Check the transmitter and the related connection cable 7 flashes The supply voltage is too low Users closed Electric pump running with speed increasing and decreasing cyclically Green light on Yellow light on Water leaks through the non return valve or in the system Check the system in order to locate the leaks Repair or replace any faulty components Undersized surge tank Check the working conditions of the electric pump Ruptured surge tank diaphragm Replace the diaphragm Red light off Setting of work point not suitable 1 Modify the system settings for the system the val
78. tomati cally only if the external device re enables its operation float switch or pressure switch or switch gt chap ters 6 2 7 and 6 2 8 Shutdown caused by other problems except for lack of water on suction side In all these cases the system restarts automatically after 20 seconds If the cause of the malfunction per Sists the system will shut down definitively after three attempts to start 27 VG Iss 4 Aug 2013 67 68 User Guide VG Variable Speed Twin Pump Booster Sets en To reset the system disconnect the power supply for at least one minute If 10 minutes elapse after an alarm without any other malfunctions occurring the alarm counter is reset and three new attempts are possible If two or more alarms are triggered simultaneously e g due to motor overtemperature and lack of water only the first malfunction signal received by the control board is signaled WARNING The converter does not have a non erasable alarm log we therefore recommend that you observe the flashing frequency carefully before disconnecting the power supply to the TKS System For further information refer to chapters 8 1 and 12 28 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed en 8 2 Troubleshooting Guide PROBLEM PROBABLE CAUSE POSSIBLE REMEDY The electric pump does not start Main switch on Green light off No power supply Restore the power supply Triggering of magne
79. tout set to the rated current For ambient temperatures of 40 to 45 C supply cables with temperature characteristics of at least 95 C and minimum wire gauge of 1 5 mm must be used Check the direction of rotation three phase models only Clockwise rotation when looking at pump from the motor side Check by looking at the fan or by observing the pump s performance The correct direction of rotation is the one that generates the highest Q H performance In the event of incorrect rotation switch two supply wires 6 PRIMING Fig 3 Fill the pump body and suction pipe through the fill plug bleeding off all the air For the SP BG models self priming without the foot valve may require up to 3 4 minutes We therefore recommend that you always use a foot valve 7 MAINTENANCE The pump should be serviced by qualified personnel only after having been disconnected from the power mains No routine maintenance is required VG Iss 4 Aug 2013 8 SAFETY INSTRUCTIONS FIG 6 Pay attention to the working limits par 3 Improper use may damage the pump and other property and injure people FIG 7 The pump is not suitable for use with flammable or dangerous liquids FIG 8 Make sure that the rated voltage and the mains voltage are compatible FIG 9 The connections to the mains and grounding must be executed by qualified personnel authorised electrician in in compliance with local installation standards FIG 10 Conn
80. ty citant iaa 7 A ei Te E 7 Electronic safety devices ennenen u u u u 8 High voltage testing may damage electronic components 8 Operating Limits For Standard Dutypoint Pumpsets 9 Section 1 Introduction Welcome n Ier i 12 VG Series OVetVIGW de ae ec Aves cedes Te ed tet ra doe ass n 13 Technical features neige cater tede e a ii 13 Options gt id emet m el eee tees 13 P imp OVerview ii ei T e Li te DU add a de UR olaa 13 Teknospeed Variable Speed Drive 14 Pressure Vessels iesus decas ia 14 Control Panel Overview uec re PG HER dE 15 Commissioning and Post Installation Help 15 Commissioning u ona aaa eni 15 Post Installation Helps ater tert ch ee ea 15 Section 2 Specifications Configurations amp Dimensions Identifying Your PUMP emi een ag e echt ds 18 General Sp cifications tiere e Asian 18 Performance amp Control nete re 18 E TE ere DEE 18 Dimensions w uta ii lil ie ire e i 19 Electrical Specifications iii 19 Pump Perf rmances ssaa 20 2HM Series Pumps Operating Characteristics 2850rpm 50HZ 20 4HM Series Pumps Operating Characteristics 2850rpm 50HZ 21 Section 3 The Control Panel Gontrol Paneli Latella aaa ae 24 Section 4 Installation Commissioning and Routine Maintenance Installationand Commissioning Overview
81. ue is higher than the pressure that the pump is able to deliver Users open Setting of work point not suitable 1 Modify the system settings The electric pump does not start Green light on Yellow light off Red light off for the system the value is equal to zero The electric pump is running There are vibrations in the pump or near the pump Setting of work point not suitable for the system the value is lower than the minimum pressure that the pump can deliver Modify the system settings Frequent starts and stops There may be problems with the float switch in the suction tank Check the float switch and the tank The electric pump is running always at maximum speed There may be problems with the pressure transmitter Check the hydraulic connection between the transmitter and the system VG 185 4 Aug 2013 29 69 70 User Guide VG Variable Speed Twin Pump Booster Sets en Triggering of general system Short circuit Check the connection cables rotection Triggering of differential system Ground leakage Check the insulation of the protection circuit breaker electric pump and cables 9 Spare Parts Information for maintenance personnel Always state the exact model identification number and construction number when requesting technical information or spare parts from our Sales and Service Center Use only original spare parts when replacing any faulty components
82. urizing systems Ceramica Coal NBR or FPM or Pumping of water with Tmax lt 100 C EPDM Washing of systems for Widia Special coal EPDM Mixture of water and hard caustic max conc the food industry 20 Tmax 80 C Generics washing Widia Special coal EPDM Products to alkaline base with Ph between 8 systems and 10 For greater Ph it is advised Widia Silicon carbide EPDM Refrigeration systems VVidia Special coel EPDM or Mixture of water and glycol with concentration VVidia Silicon carbide EPDM from 10 to 100 and temperature from 55 C to 40 C Transfer pumping of It is advised to contact the sale Large tipology of acids generic chemical products net Rotating part fixed part O Ring If is pumped an abrasive liquid with CEA pump it is advised to use the pump with the seal holding disc without the 3 indents Pumping of diesel oil or others inflammable liquids is concurred only with use of special version pumps and equipped with Atex motor Pumping of sea water brackishwater or with a great concentration of chlorine is not adviced because of priming of corrosive phenomena in hydraulic part Date edition 12 2006 VG lss 4 Aug 2013 Appendix A Manufacturer s Guide CEA CA HM HMS Electric Pumps ITT 2 3 Installation e Max environement temperature 40 C Max operating pressure 8 bar Installation of pump inside of environements with a great humidity causes damaging of motor bearings If th
83. valve between the connec tion to the tank and the system s pipe To determine the precharge value for the surge tank you can use the following formula if in bar work pressure 0 2 precharge pressure ifinkPa work pressure 20 precharge pressure 6 2 Electrical Connection of Pump The electrical connections must comply with current standards and regulations Make sure that the type of power source the supply voltage and frequency match the ratings of t the TKS system shown in the rating plate Provide suitable general protection against short cir cuits on the electrical power line WARNING although the TKS system has single phase power supply the pump s motor is always a three phase motor connected to 230 V The missing phases are created by the converter For further information refer to chapter 12 Before proceeding with these operations make sure that all the connections even those that are potential free are voltage free Always disconnect the TEKNOSPEED converter from the power supply before carrying out any operations on the system s electrical or mechanical components After disconnection from the power source wait at least 1 minute before carrying out any work on TEKNOSPEED to allow the condensers in the internal circuit to discharge 6 2 1 Differential Magneto thermal Switch If local regulations require the installation of a differential magneto thermal switch make sure it is of a type that is suited to the system
84. y work on TEKNOSPEED to allow the condensers in the internal circuit to discharge Before carrying out any maintenance operations make sure that all the connections even those Jil Read this user s manual and the operating instructions for the electric pump and diaphragm tank et if installed 7 1 Routine Maintenance The TKS system does not require any routine maintenance provided that the working limits described in chapter 4 are observed The pumps do not require any routine maintenance read the pump s manual Check the air pre charge in the surge tank if installed at least once a year chapter 6 1 1 7 2 Extraordinary Maintenance Use adequate equipment and protections Observe the accident prevention regulations in force Lift and handle the pumps carefully using suitable hoisting equipment H Use only original spare parts to replace any worn or faulty components WARNING Although the TKS system has a single phase power supply the pump s motor is always a three phase motor connected to 230 V The missing phases are created by the converter For further information refer to chapter 12 26 VG lss 4 Aug 2013 Appendix B Manufacturer s Guide Teknospeed en 8 Troubleshooting Information for users and maintenance personnel F i Read this user s manual and the operating instructions for the electric pump and diaphragm tank 4 if installed AN Maintenance operations must be performed by qualified pe

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