K24 Manual - Commercial Fuel Solutions Ltd
Contents
1. CAL and the partial at zero K24 is ready to perform on site calibration DISPENSING INTO SAMPLE CONTAINER Without pressing any KEY start dispensing into the sample container Abs Dispensing can be interrupted and started again at will Continue dispensing until the level of the fluid in the sample container has reached the graduated area There is no need to reach a preset gt 9 86 Real value SHORT RESET KEY KEYING K24 is informed that the calibration dispensing operation is finished Make sure dispensing is correctly finished before performing this operation To calibrate the K24 the value indicated by the partial totaliser example 9 800 must be forced to the real value marked on the graduated sample container In the bottom left part of the display an arrow appears upwards and downwards THAT SHOWS the direction increase or decrease of the USER K FACTOR value change when the operations 6 or 7 are performed SHORT RESET KEY KEYING Arrow direction changes The operation can be repeated IF 4 AOD Qrs NECESSARY Cal FIELD SHORT LONG CAL KEY KEYING The indicated value changes in the direction indicated by the arrow one unit for every short CAL key keying continually if the CAL key is kept pressed for the first 5 units slowly and then quickly If the desired value is exceeded repeat the operations from LONG RESET KEY KEYING K24 is informed that the calibration procedure is finished Before doing thi2. by unscrewing the 4 screws fixing the card and the cover A1 M remen m Turbine measurement system The turbine is placed inside a hole through the body of k24 fitted with threaded inlet and outlet The body of k24 is made of a plastic material that allows several types of threads with relevant combinations K24 has 2 rubber protections designed to act as gaskets too and thus reducing the number of its components The liquids compatible with k24 must be at low viscosity namely Diesel fuel Water Water urea solution Kerosene Windscreen Petrol Main components LCD Display Reset Button G Cal Button The square shape of the k24 body allows the card to be rotated in its housing thus ensuring great versatility in positioning aay Reo AAAS ERR ARIA HHHHHHY HHHH jisi Hj ai AY J zi S A Ki ATTENTION While fixing the K24 card make sure the battery contact cable is not placed above the circular housing of the bulb A rating m The user can choose between two different operating modes Normal Mode Mode with display of Partial and Total dispensed quantities Flow Rate Mode Mode with display of Flow Rate as well as Partial dispensed quantity The meter features a non volatile memory for storing the dispensing data even in the event of a complete power break for long periods The measurement electronics and the LCD display are fitted
3. cardboard which can be delivered to companies for normal recycling of cellulose DISPOSAL OF METAL COMPONENTS The metal components both painted and stainless steel are usually recycled by companies that are specialised in the metal scrapping industry DISPOSAL OF ELECTRIC AND ELECTRONIC COMPONENTS these have to be disposed by companies that are specialised in the disposal of electronic components in accordance with the instructions of 2002 96 EC see text of Directive below ENVIRONMENTAL INFORMATION FOR CUSTOMERS IN THE EUROPEAN UNION European Directive 2002 96 EC requires that the equipement bearing this symbol on the product and or its packaging must not be disposed of with unsorted municipal waste The symbol indicates that this product should be disposed of separately B from regular household waste streams It is your responsibility to dispose of this and other electric and electronic equipment via designated collection facilities appointed by the government or local authorities DISPOSAL OF OTHER PARTS The disposal of other parts such as pipes rubber seals plastic components and cables should be entrusted to companies that special in the disposal of industrial waste DECLARATION OF CONFORMITY In accordance with directive 89 336 EEC electromagnetic amendments compatibility and subsequent PIUSI S p A 46029 Suzzara Mantova Italy declares that the following flowmeter model K24 which this declaration refer
4. E 0 9 CURRENT calibration factor 1 000 New USER K FACTOR 1 000 100 0 9 100 1 000 100 0 9 100 1 009 If the meter indicates less than the real dispensed value negative error the new calibration factor must be higher than the old one as shown in the example The opposite applies if the meter shows more than the real dispensed value positive error OPERATION NONE K24 in STAND BY not in counting mode LONG CAL KEY KEYING K24 enters calibration mode shows CAL and Ss de the calibration factor being used instead of the partial The words Fact and USER indicate which of the two factors factory or user is currently being used LONG RESET KEY KEYING K24 shows CAL and the partial at zero K24 is ready to perform on site calibration by dispensing LONG RESET KEY KEYING We now go on to Direct change of the calibration factor the word Direct appears together with the Currently Used calibration factor In the bottom left part of the display an arrow appears upwards or downwards defining the direction increase or decrease of change of the displayed value when subsequent operations 5 or 6 are performed SHORT RESET KEY KEYING Arrow direction changes The operation can be repeated to alternate the direction of the arrow SHORT LONG CAL KEY KEYING The indicated value changes in the direction indicated by the arrow one unit for every short CAL key keying continual
5. ENGLISH INDEX A BECOMING ACQUAINTED WITH K24 A1 Measurement System A2 Display Positioning A3 Operating modes A4 LCD display A5 User Buttons A6 Battery Housing B INSTALLATION C DAILY USE C1 Dispensing in Normal mode C1 1 Partial reset C1 2 Resetting the Reset Total C 2 Dispensing with Flow Rate Mode display C 2 1 Partial reset D CALIBRATION D1 Definitions D2 Why Calibrate D3 Calibration procedure D3 1 Display Of Current K Factor And Restoring Factory K Factor D3 2 In field Calibration D3 2 1 In field calibration procedure D3 3 Direct modification of K factor E METERS CONFIGURATION F MAINTENANCE G MALFUNCTIONS H TECHNICAL SPECIFICATIONS l DISPOSAL L EXPLODED VIEWS AND OVERALL DIMENSIONS A BECOMING A AINTED WITH K24 Electronic digital meter featuring a turbine measurement system designed for precise measuring of low viscosity fluids It is divided into two using macrogroups 1 With body made of inconductive plastic material of light colour designed to be used with water urea solution With body made of conductive plastic material of dark colour assessed resistance 50 ohm designed to be used with DIESEL FUEL WATER and windscreen fluids T he card can be rotated with respect to its housing thus allowing easy display readings in any position The card housing easily accessible is closed by a plastic cover sealed through a rubber protection acting as a gasket as well The whole unit can be easily removed
6. ceptable flow rate rate range has been achieved ee TURBINE blocked Clean the TURBINE flow rate The meter does Incorrect installation of Repeat the reassembly gears after cleaning procedure not count but the flow rate is Possible electronic card Contact your dealer correct problems W K FACTOR Not enough oe il measurement precision Measurement system TURBINE 0 010 lit pulse 0 005 lit pulse K24 COL 5 120 Litres minute FOR DIESEL BLACK Flow FUEL WATER rates K24 COL BEIGE Flow rates Operating pressure Max 10 Bar 145 psi Bursting pressure Min 40 Bar Storage temperature Range 20 70 C Storage humidity Max 95 RU Operating temperature Range 10 50 C Viscosity Range 2 5 35 cSt Accuracy 1 after calibration within 10 90 litres min 2 65 23 8 gallons min range Reproducibility Typical 0 3 Liquid crystals LCD Featuring 5 figure partial 6 figure Reset Total plus x10 x100 6 figure non reset Total plus x10 x100 Power Supply 2x1 5 V alkaline batteries size AAA Battery life 18 36 months Resolution nominal Flow Rate Range 5 100 Litres minute FOR WATER UREA SOLUTION Weight 0 25 Kg included batteries l DISPOSAL The components must be given to companies that specialise in the disposal and recycling of industrial waste and in particular the DISPOSAL OF PACKAGING The packaging consists of biodegradable
7. e changed Q PARTIAL register Q TS ae be be leas Reset SAINA GENERAL G regi igg Toran DAL RESET TOTAL Mihom 3 MA register Total NOTE 6 digits are available for Totals plus two icons x 10 x100 The increment sequence is the following 0 0 99999 9 999999 100000 x 10 999999 x 10 100000 x 100 999999 x 100 1 Di nsing in Normal m Normal mode is the standard dispensing While the count is made the partial and resettable total are displayed at the same time reset total Should one of the keys be accidentally pressed during dispensing this will have no effect A few seconds after dispensing has ended on the lower register the display switches from resettable total to general total the word reset above the word total disappears and the reset total is replaced by the general total This situation is called standby and remains stable until the user operates the k24 again The partial register can be reset by pressing the reset key when the meter is in standby meaning when the display screen shows the word TOTAL ways amp 23412 31 Ga apad adad at CECI cal HHBH8 Bs After pressing the reset key during reset the display screen first of all shows all the lit up digits and then all the digits that are not lit up At the end of the process a display page is first of all shown with the reset partial and the reset total TOTAL Gat and after a few moments the res
8. e press the CAL and RESET keys together Keep these pressed until the word UNIT appears on the screen together with the unit of measurement set at that time in this example Litres Litres e Press the reset key to select the desired combination of unit of measurement amongst those shown below e Save the new combination by pressing the cal key at length K24 will pass through the start cycle and will then be ready to dispense in the set units WARNING M The Resettable Total and Total registers will be automatically changed to the new unit of measurement NO new calibration is required after changing the Unit of Measurement F MAINTENANCE K24 has been designed to require a minimum amount of maintenance The only types of maintenance required are the following 1 Battery change necessary when the batteries have run down 2 Cleaning of the turbine with washing or mechanically handling 1 Battery Replacement K24 is complete with 2 x 1 5 V alkaline batteries SIZE AAA K24 features two low battery alarm levels 1 When the battery charge falls below the first level on the LCD the fixed battery symbol appears ce amp In this condition K24 continues to operate correctly but the fixed icon warns the user that it is ADVISABLE to change the batteries ait Ga 2 If K24 operation continues without changing the batteries the second battery alarm level will be reached which will prevent operation In this co
9. et total is replaced by the non resettable Total Reset TOTAL G AL 1 2 R ing the R Total The reset total resetting operation can only be performed after resetting the partial register The reset total can in fact be reset by pressing the reset key at length while the display screen shows reset total as on the following display page m mon Qrs BA L Reset aaa gc Ga Schematically the steps to be taken are 1 Wait for the display to show normal standby display page with total only displayed 2 Press the reset key quickly 3 The meter starts to reset the partial 4 While the display page showing the reset total is displayed Press the reset key again for at least 1 second 5 The display screen again shows all the segments of the display followed by all the switched off segments and finally shows the display page where the reset Reset Total is shown It is possible to dispense fluids displaying at the same time the dispensed partial the Flow Rate in Partial Unit minute as shown on the following display page ag FLOW RATE s Procedure for entering this mode wait for the Remote Display to go to Standby meaning the display screen shows Total only quickly press the CAL key Start dispensing The flow rate is updated every 0 7 seconds Consequently the display could be relatively unstable at lower flow rates The higher the flow rate the more stable the displayed val
10. eted from the memory aqyi23 Ga This procedure calls for the fluid to be dispensed into a graduated sample container in real operating conditions flow rate viscosity etc requiring maximum precision WARNING For correct K24 calibration it is most important to e completely eliminate air from the system before calibrating e use a precise Sample Container with a capacity of not less than 5 litres featuring an accurate graduated indicator e ensure calibration dispensing is done at a constant flow rate equivalent to that of normal use until the container is full not reduce the flow rate to reach the graduated area of the container during the final dispensing stage the correct method during the final stages of sample container filling consists in making short top ups at normal operation flow rate e after dispensing wait a few minutes to make sure any air bubbles are eliminated from the sample container only read the Real value at the end of this stage during which the level in the container could drop e if necessary carefully follow the procedure indicated below ENGLISH ENGLISH ENGLISH D3 2 1 In fiel libration pr re DISPLAY NONE K24 IN STAND BY LONG CAL KEY KEYING K24 enters calibration mode shows CAL and displays the calibration factor in use instead of total The words Fact and USER indicate which of the two factors is currently in use 3 LONG RESET KEY KEYING K24 shows
11. fault factor It is equal to 1 000 This calibration factor ensures utmost precision in the following operating conditions Fluid diesel fuel Temperature 20 c Flow rate 10 120 litres min Even after any changes have been made by the user the factory k factor can be restored by means of a simple procedure USER K FACTOR Customized calibration factor meaning modified by calibration When operating close to extreme conditions such as for instance with fluids close to acceptable range extremes like diesel fuel at low temperatures or in extreme flow rate conditions close to minimum or maximum acceptable values an on site calibration may be required to suit the real conditions in which the k24 is required to operate K24 permits making quick and precise electronic calibration by changing the calibration factor k factor There are 2 different ways of calibration 1 On site calibration performed by means of a dispensing operation 2 Direct calibration performed by directly changing the k factor To enter the calibration phases it is necessary to press and hold down the cal button Why enter the calibration phases e Display the currently used calibration factor e Return to factory k factor after a previous calibration with user k factor e Change the calibration factor using one of the two previously indicated procedures In calibration mode the partial and total dispensed quantities indicated on the display screen
12. in the top part of the K24 which remains isolated from the fluid bath measurement chamber and sealed from the outside by means of a cover A4 LCD displ The LCD of the METER features two numerical registers and various indications displayed to the user only when the applicable function so requires Key D a a a Qrs 1 Partial register 5 1 E Lf m m 9 figures with moving comma J J J L FROM 0 1 to 99999 indicating AN VAN N 7N Moe the volume dispensed since the 2 8 reset button was last pressed 7 2 Indication of battery 3 charge 3 Indication of 4 5 6 calibration mode Totals register 6 figures with moving comma FROM 0 1 to 999999 that can indicate two types of Total 4 1 General Total that cannot be reset TOTAL 4 2 Resettable total Reset TOTAL 5 Indication of total multiplication factor x10 x100 6 Indication of type of total TOTAL Reset TOTAL T Indication of unit of measurement of Totals L Litres Gal Gallons 8 Indication of Flow Rate mode 9 Indication of unit of measurement of Partial Qts Quarts Pts Pints L Litres Gal Gallons A5 User Buttons The k24 features two buttons reset and cal which individually perform two main functions and together other secondary functions The main functions performed are For the reset key resetting the partial register and resettable total reset total For the cal key entering instrument calibration mode Used together the tw
13. ly if the CAL key is kept pressed The speed increase rises by keeping the key pressed If the desired value is exceeded repeat the operations from point 5 LONG RESET KEY KEYING K24 is informed that the calibration procedure is finished Before performing this operation make sure the indicated value is that required NO OPERATION At the end of the calculation the new USER K FACTOR is shown for a few seconds after which the restart cycle is repeated to finally achieve standby condition ATTENTION From now on the indicated factor will become the calibration factor used by the meter and will continue to remain such even after a battery change NO OPERATION The K24 stores the new work calibration factor and is ready to begin dispensing using the USER K FACTOR that has just been calculated E METER NFIGURATION Some models of meter feature a menu with which the user can select the main measurement unit Quarts Qts Pints Pts Litres Lit Gallons Gal The combination of the unit of measurement of the Partial register and that of the Totals is predefined according to the following table Register Unit of Combination no Unit of Measurement of the Measurement of the Totals Partial Register Reaister po iitres L Litres L a ee Gallons Gal Gallons Gal Ooo 3 y Quarts Qt O Gallons Gal Oo 4 O Pints Pts Gallons Gal To choose between the 4 available combinations e wait for K24 to go to Standby
14. ndition the battery icon starts to flash and is the only one to remain visible on the LCD WARNING Do not discard the old batteries in the environment Refer to local disposal regulations To change the batteries with reference to the exploded diagram positions proceed as follows e Press RESET to update all the totals e Loosen the 4 fixing screws of the lower cover e Remove the old batteries e Place the new batteries in the same position as the old ones e close the cover again by positioning the rubber protection as a gasket e K24 will switch on automatically and normal operation can be resumed The K24 will display the same Reset Total the same Total and the same Partial indicated before the batteries were changed After changing the batteries the meter does not need calibrating again 2 Cleaning Only one operation is necessary to clean the k24 AAfter removing k24 from the plant where it was built in any residual elements can be removed by washing or mechanically handling If this operation does not restore a smooth rotation of the turbine it will have to be replaced WARNING Do not use compressed air onto the turbine in order to avoid its damage because of an excessive rotation Possible Cause Azione Correttiva LCD no indication Bad battery contact Check battery contacts With reference to paragraph H check the K FACTOR The meter works below Increase the flow rate until minimum acceptable flow an ac
15. o keys permit entering configuration mode useful for changing the units of measurements and calibration factor ENGLISH A B Housin The k24 is powered by two standard type 1 5 V batteries size AAA The battery housing easily accessible is closed by a metal cover sealed through a rubber protection acting as a gasket as well The whole unit can be easily removed by unscrewing the 4 screws fixing the cover and the protection to the body B INSTALLATION K24 features a threaded perpendicular inlet and outlet 1 gas or ntp male and female that can be combined together It has been designed to be easily installed in any position fixed in line or mobile on a dispensing nozzle In order to improve the life of the turbine it is recommended to fit a strainer before the meter itself ATTENTION At the female inlets tighten the couplings at a max torque of 55N m The only operations that need to be done for daily use are partial and or resettable total register resetting The user should use only the dispensing system of k24 Occasionally the meter may need to be configured or calibrated To do so please refer to the relevant chapters Below are the two typical normal operation displays One display page shows the partial and reset total registers The other shows the partial and general total Switchover from resettable total to general total display is automatic and tied to phases and times that are in factory set and cannot b
16. s make sure the DISPLAYED factor is the ACTUAL factor gt 9 86 9 860 Cal FIELD SRED Of Cal FACT Indicated value Real value K24 calculates the new USER K FACTOR This calculation could require a few seconds depending on the correction to be made During this operation the arrow disappears but the CAL indication remains If this operation is performed after operation 5 without changing the indicated value the USER K FACTOR would be the same as the FACTORY K FACTOR thus it is ignored NO OPERATION At the end of the calculation the new USER K FACTOR is shown for a few seconds after which the restart cycle is repeated to finally achieve standby condition ATTENTION From now on the indicated factor will become the calibration factor used by the meter and will continue to remain such even after a battery change NO OPERATION K24 stores the new calibration factor and is ready for dispensing applying the newly defined USER K FACTOR This procedure is especially useful to correct a mean error obtainable on the basis of several performed dispensing operations If normal K24 operation shows a mean percentage error this can be corrected by applying to the currently used calibration factor a correction of the same percentage In this case the percentage correction of the USER K FACTOR must be calculated by the operator in the following way 100 E New K Factor Old K Factor 100 Example Error percentage found
17. s to complies with the following applicable norms European norms EN 61000 6 1 EN 61000 6 3 EN 55014 1 2000 EN55014 2 97 Suzzara 01 10 2007 the President Otto Varini ELECTRONIC TURBINE METER FLUID HANDLING TECHNOLOGY MANUALE D USO MANUTENZIONE CALIBRAZUIONE karang USE MAINTENANCE AND Pe CALIBRATION MANUAL 9 Bulletin M0171ITEN rev 1 75 SA e ay SU HRR SISIEJEEA HHHHHHI PUFU Hi zi A NN Sai Iie aml G gt a AN TH OL Cor 1 G NPT
18. take on different meanings according to the calibration procedure phase During the calibration the k24 cannot perform any normal dispensing operations In calibration mode the totals are not increased WARNING The k24 features a non volatile memory It keeps the calibration and dispensing data stored even after replacing new batteries or long periods of inactivity D3 1 Display Of Current K Factor And Restoring Factory K Factor By pressing the cal key while the appliance is in standby the display page appears showing the current calibration factor used If you are using k24 with factory k factor the display page shown in the diagram will be displayed with the word fact If one user k factor has been set the calibration factor set by the user in our example 0 998 will be cal displayed The word user indicates a calibration factor set by the user is being used The flow chart alongside LEGEND shows the switchover logic R R long RESET aaa display page to ss ae In this condition the Reset c c long CAL key permits switching from C C User factor to Factory e anette factor Time Out To confirm the choice of calibration factor quickly press CAL while User or Fact are displayed After the restart cycle the meter uses the calibration factor that has just been confirmed ATTENTION When the Factory Factor is confirmed the old User factor is del
19. ue IMPORTANT The flow rate is measured with reference to the unitofmeasurement of the Partial For this reason in case of the unit of measurement of the Partial and Total being different as in the example shown below it should be remembered that the indicated flow rate relates to the unit of measurement of the partial In the example shown the flow rate is eo a FLOW RATE ot ENGLISH expressed in Qts min The word Gal remaining alongside the flow rate refers to the register of the Totals Reset or NON Reset which are again displayed when exiting from the flow rate reading mode To return to Normal mode press the CAL key again If one of the two keys RESET or CAL is accidentally pressed during the count this will have no effect IMPORTANT Even though in this mode they are not displayed both the Reset Total and the General Total Total increase Their value can be checked after dispensing has terminated returning to Normal mode by quickly pressing CAL 2 1 Partial r To reset the Partial Register finish dispensing and wait for the Remote Display 45 a to show a Flow Rate of 0 0 as indicated in the illustration then quickly press RESET D CALIBRATION gt D4 Definiti Calibration factor or k factor Multiplication factor applied by the system to the electrical pulses received to transform these into measured fluid units FACTORY K FACTOR Factory set de
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