MACINADOSATORE SM91-SM96 - SMMK
Contents
1. MACINADOSATORE SM91 SM96 SMMK SMFK MACINADOSATORE SM 91 96 MK FK GRINDER DISPENSER SM 91 96 MK FK MOULIN DOSEUR SM 91 96 MK FK DOSIERMUHLE SM 91 96 MK FK MOLINILLO DOSIFICATOR SM 91 96 MK FK MOINHO DOSEADOR SM 91 96 MK FK La San Marco EL t AOZSIMETPIKOS MYAO KA E SM 91 96 MK FK GRINDER DISPENSER SM 91 96 MK FK ENGLISH T 2 LLI General Notes 1 pe ce EE General notes pag 1 1 The espresso coffee pag 1 2 Storing the coffee beans pag 1 3 The grinder dispenser and the grinding process pag 1 4 Storing the ground coffee pag 1 5 The espresso coffee machine pag 1 6 Climatic conditions pag Introduction pag 2 1 Using the pag ET Un LEE pag Technical 11 5 pag 3 1 General characteristics of the different models pag 3 2 Technical characteristics pag 3 3 Machine assembly pag Installation pag2. SEL LUI E eae ane woes e ei 4 2 Electrical connections 4 3 Programming the grinding time pag 4 4 Grinding adjustment pag 4 5 Changing the coffee grinders pag 4 6 Adjusting the quantity of ground coffee pag Operating instructions pag 5 1 Using the grinder dispenser pag 5 2 Practical suggestions for the operator pag Information for users in the European community pag VELE NARO eemist viitama pag Declaration of pag Problem song pag MANUALE CODICE 7770 030 Rev 02 09 14 22 22 22 23 1 General notes e The first part of this user s manual briefly explains the method of making espresso coffee the modern eguipment used and the function of the grinder dispenser in this delicate process 1 1 The espresso coffee Espresso is a coffee prepared with a particular brewing process which makes it possible to make a very concentrated syrupy beverage of intense taste and aroma The method of preparation of espresso consists of extracting the substances contained in ground coffee by passing through it a flow of hot water under pres
3. coffee flows out of the a coffee ground too fine a grind coffee coarser nozzle slowly drop by drop b excessive pressing b reduce the pressing force the cream of the coffee in the batch too large reduce the batch amount cup is dark I 2 Z LLI Presence of coffee grounds in a coffee ground too fine a grind coffee coarser the cup b grinders worn out b replace the grinders If it is not possible to solve the problem as suggested or if problems other than those described above occur please contact the La San Marco S p A authorized technical service centre La San Marco S p A reserves the right to apply technical changes to the equipment should they become necessary without advance notice 23 La San Marco La San Marco S p A Via Padre e Figlio Venuti 10 34072 Gradisca d lsonzo Gorizia Italy Tel 39 0481 967111 Fax 39 0481 960166 http www lasanmarco com E mail info lasanmarco com ES SUD ISO 9001
4. original spare parts voids the warranty certificates provided with the machine e The user must not carry out any unauthorized operations or any work without under standing the exact procedures contact the manufacturer for any information spare parts or accessories e fthe machine is to be discarded or disposed of contact the supplier or the public utilities in charge of municipal waste disposal Do not discard the machine in the environment 16 3 Technical characteristics 3 1 General characteristics of the different models The La San Marco grinders dispensers are professional eguipment designed for grinding and metering coffee beans La San Marco S p A manufactures four basic grinder dispenser models SM 91 SM 96 SM MK SM FK They are essentially made up of e A painted aluminium housing 1 The size shape and volume are identical for all models except models SM MK and SM FK in which the standard housing is provided with a base 2 that contains the electrical and electronic components e A hopper made of transparent plastic material positioned on top of the grinder dispenser Two types of hoppers of similar shape of 4 6 and 6 litre capacity respectively are available The 4 6 litre hopper 6 has a capacity of 1 73 kg of coffee beans the 6 litre hopper 5 has a capacity of 2 25 kg of coffee beans The hopper is fixed to the grinder dispenser by means of a screw 10 The hopper can only be removed with the help of a tool Inside t
5. sure about 9 bar for 25 to 35 seconds In this manner the soluble substances sugars and proteins and the insoluble materials fats and colloids in the coffee are drawn out into the cup forming the characteristic cream of real espresso The preparation of espresso is a very delicate process various factors affect the success of this operation the preservation of the coffee beans the grinder dispenser and the grinding proc ess the preservation of the ground coffee the espresso coffee machine itself the changeable weather con ditions and the care and attention of the operator in making the espresso coffee 1 2 Storing the coffee beans There are two varieties of coffee found in nature the arabica variety and the robusta strain Normally the roasted coffee used to make espresso contains a mixture of the two varieties suitably blended in varying percentages taking into account the organoleptic characteristics of the individual components The blend of roasted coffee must be kept hermetically sealed inside its package The roasted coffee beans contain within them all the principles and characteristic aromas of the variety or the blend these aromas fade rapidly when the coffee beans come into contact with air light and humidity 1 3 The grinder dispenser and the grinding process The grinder dispenser is a device designed to grind and dispense the coffee To make a good espresso the coffee should be ground to particle sizes ranging
6. the filter cup and extracts its aromas When this manual talks about espresso coffee machines this refers to all continuous serving models with hydraulic unit and to the manual piston type known as lever operated La San Marco S p A grinder dispensers are profes sional devices designed and built to be used with this type of espresso coffee machine 1 6 Climatic conditions Operator As already mentioned to make a good espresso it is essential that the coffee be ground to a proper particle size Ground coffee is very hygroscopic in other words it senses the moisture in the air and grinding should therefore be modified to suit varying climatic conditions a ground coffee with a high moisture content increas es the resistance to the passage of water Other important factors in the making of espresso are the guantity and compactness of the ground coffee inside the filter cup These factors moisture guantity and coarseness of the ground coffee compactness must be considered and weighed by the operator making the espresso For these reasons the operator has a very important role in the espresso coffee making process 15 al o ur g D 2 Introduction 2 1 Using the manual e This manual provides all the necessary information for the installation start up use AN and maintenance of the grinder dispenser e The persons in charge of normal use and maintenance and the technical personnel authorized to carry out extraordinary m
7. unit and the grinder dispenser can be made to restart after a desired number of ground coffee servings e An on off main switch 3 with green LED 3 2 Technical characteristics GRINDING GRINDER GRINDERS CAPACITY SIZE SPEED kg h mm rpm TYPE OF NOISE LEVEL WEIGHT GRINDER S dB A 1350 z The La San Marco S p A grinder dispensers are prearranged for the following voltages e 110 V 1 60 Hz available only for SM 91 96 models e 230 V 1 50 Hz e 230 400 V 3N 50 Hz e 240 V 1 50 Hz The external dimensions of the pack are 641 x 467 x 293 mm ai o ur g D o mal 5 2 TT 3 3 Machine assembly 11 12 14 15 13 16 18 19 3 4 Legend ALUMINIUM HOUSING BASE FOR GRINDER HOUSING MAIN SWITCH 6 LITRE HOPPER 4 6 LITRE HOPPER GROUND COFFEE HOPPER LID HOPPER GATE GRINDER SAFETY GRID SPECIAL HOPPER LOCKING SCREW GRIND ADJUSTMENT RING RELEASE BUTTON GRIND ADJUSTMENT RING DISPENSER DISPENSER LID QUANTITY CONTROL KNOB PRESS COFFEE DISPENSING LEVER FORK FOR FILTER CUP COFFEE COLLECTING TRAY RUBBER FOOT 4 Installation 4 1 Warnings The machine must be installed by gualified technical personnel authorized by La San N Marco S p A The grinder dispenser is delivered to the customers in a suitable cardboard and styro foam package The package contains the grinder dispenser its accessories the user manual and the compliance declaration After
8. aintenance and repairs are expected to have read and adopted the contents of this manual e This manual is an integral part of the machine It should be kept for the life of the machine and transferred to any other user or subsequent owner e The manual or a copy of the same should always be kept near the machine where the operator can readily look it up it should be kept with care in a place away from heat moisture dust and corrosive agents e The La San Marco S p A grinder dispenser must be used in the manners described in this manual all other improper or inappropriate uses of this device void the war ranty conditions and the liability of the manufacturer 2n o g Z 2 2 Warnings e he grinder dispenser is designed and built for metering and grinding the coffee AN beans in the desired amounts All other uses outside those specified in this manual must be considered inappropriate and therefore not authorized The manufacturer declines any liability for damage resulting from the improper use of the device e The user must be a responsible adult who is expected to comply with the safety procedures that apply in the country where the machine is installed in addition to the rules of common sense For a proper and safe use of the machine the operator must comply with the rules of accident prevention and with all other reguirements of health and hygiene in the workplace e The use of the machine and the routine maintenance an
9. d cleaning operations are reserved exclusively for personnel authorized by the customer and under his own responsibility e The machine must not be operated with the fixed and or mobile guards removed or with the safety devices cut off the safety devices must absolutely not be removed or tampered with e While the grinder dispenser is in operation do not introduce any objects screwdriv ers spoons etc into the hopper or the dispenser e Before carrying out any routine maintenance or cleaning of the machine switch off the machine and pull out the plug from the power socket if possible or disconnect the omnipolar switch upstream of the machine e Avoid using products such as alcohol petroleum products or solvents in general to clean the machine use water or neutral solvents A moist cloth or sponge is sufficient to clean the machine housing never use jets of water Use a brush to clean the internal parts of the dispenser the grinding unit and the hopper e Any extraordinary maintenance or repairs must be carried out exclusively by special ized personnel at La San Marco S p A service centres e fthe power cord is damaged it must be replaced by the manufacturer the manufac turer s service centre or a similarly qualified organization e n case of malfunctions or breakdown of any grinder dispenser components contact the authorized service centre and request the use of original La San Marco S p A spare parts The use of any but
10. f ground coffee servings is programmable and may take place after 6 12 18 or 24 servings e The ground coffee is dispensed from the dispenser 13 by operating the lever 17 e Place the filter cup on the fork 18 and pull the lever toward the operator to dispense a batch of ground coffee Every complete movement of the lever corresponds to one batch e Press the ground coffee using the press 16 insert the filter cup in the machine serving unit and start the coffee serving 5 2 Practical suggestions for the operator e Keep the coffee beans in sealed containers in a dry environment at room temperature e Never leave large quantities of ground coffee inside the dispenser for long periods for example during the off day e Check from time to time the fineness of the ground coffee and the quantities dispensed bearing in mind that weather conditions ambient humidity have a considerable effect on the preparation of espresso 21 2n o g 2 mi coffee Increase the coarseness of the ground coffee when ambient humidity increases and decrease it when the humidity decreases e Havethe state of wear of the grinders checked from time to time by authorised technical service person nel bearing in mind that the flat grinding wheels cannot grind more than 300 600 kg of coffee beans before becoming useless while the limit for conical ones is 600 1200 kg A Remember that both grind ers must be replaced i e both the fixed and the moving gri
11. from about 1 mm to a powder finer than 150 um Powdered coffee offers a greater contact surface to water allowing a greater extraction of soluble and insoluble sub stances By varying the particle sizes of ground coffee it is thus possible to modify the resistance offered against the passage of water If the ground coffee is made up of excessively coarse particles the serving time is too short the water does not manage to extract all the gualities of the ground coffee and the result ing espresso is light in colour thin bland and lacking the characteristic coffee aroma When the ground cof is too fine the espresso brewed is dark burnt and cold the serving time is too long and the water pas sage is too sluggish since the fine powder offers an excessive resistance to the water flow The resulting espresso is too strong 1 4 Storing the ground coffee Ground coffee is much more sensitive than coffee beans the dispersion of aromatic substances takes place very rapidly if it is kept in open containers and in moist environments The coffee beans should be ground in small guantities and the ground coffee should be used in the shortest time possible 1 5 The espresso coffee machine The espresso machine is a device that consists essentially of a boiler and a series of heat exchangers in which water is heated by an electric heating element or a gas burner Water heated to a high temperature is made to flow through the ground coffee placed in
12. ging the coffee grinders When changing the coffee grinders the adjusting ring nut must be inserted so that the hopper locking screw 1 does not interfere with the grinders stop pin 2 The proper grinder change procedure is as follows Loosen the hopper locking screw completely and pull out the hopper Loosen the three 5 12 grub screws located on the grinder support ring nut and remove the adjusting ring 20 Unscrew the upper grinder support and remove it from its seat Replace the grinders and align the lower grinder with the three scraping teeth the distance from these teeth is 0 9 mm to center the machine we suggest using a thickness gauge Clean the grinder seats and the thread of the upper grinder support accurately Screw the upper grinder support down to where the upper grinder grazes the lower one this operation L o g Z D Fig 1 Proper installation Fig 2 Faulty installation should be carried out with the coffee grinder dispenser in rotation in order to determine the exact point at which the two grinders come into contact with each other Finally insert the adjusting ring nut making sure that the hopper locking screw is slightly ahead of the grinder stop pin in a counterclockwise direction as shown in figure 1 Figure 2 shows a faulty installation of the adjusting ring nut the hopper locking screw 1 is after the grinder stop pin 2 It is important to remember that in this case the hopper l
13. having opened the package check the integrity of the grinder dispenser and its components in case of doubt do not use the appliance and contact the qualified personnel of the La San Marco S p A service centres The package should be disposed of through the proper waste collection centres in com pliance with the laws of the country where it is installed Do not discard it in the environment The packing elements carton styrofoam metal staples etc can be hazardous Keep away from children Place the grinder dispenser on a perfectly horizontal surface that is sufficiently sturdy to support it stable and dry zu o ur g D 4 2 Electrical connection Instructions for a proper electrical connection of the grinder dispenser e Before connecting the appliance to the power supply make sure that the tag data of the grinder dispenser are the same as the network power supply the rating tag is located under the grounds collecting tray e The connection must be made in accordance with the provisions of the country where the machine is in stalled e The electrical system prearranged by the customer must be in compliance with applicable standards The power socket must be provided with a suitable ground conductor La San Marco S p A declines any liability if the prescriptions of the law are not complied with An improper installation can cause damage or personal in jury for which the manufacturer cannot be considered liable e If it is nece
14. he hopper there is a safety grid 9 that prevents the upper limbs from acciden tally coming into contact with the grinders e An electric motor on which the grinding unit is connected On the grinder dispenser unit model SM MK an epicycloid reduction is connected between the motor and the grinding unit e grinding unit Model SM 91 and model SM 96 are equipped with a grinding unit with flat grinders of 64 mm and 84 mm diameter respectively Model SM MK has a grinding unit with one conical and two flat grinders while model SM FK has a grinding unit with conical grinders e grind adjustment ring 12 with a release button 11 The top of the ring shows the grinding adjustments possible The ring is turned clockwise or counterclockwise to change the fineness of the ground coffee e A dispenser 13 designed to measure and dispense the ground coffee it has an adjustment range from 5 to 9 grams or in the increased dose configuration from 6 to 10 grams The amount of ground coffee dispensed can be adjusted by operating on the control knob 15 located inside the dispenser The ground coffee is dispensed by pulling on the coffee dispensing lever 17 The presser 16 available on cylindrical and conical versions enables the ground coffee to be pressed down inside the filter cup e A support fork 18 for the filter cup e Anelectronic control unit that controls the coffee grinder start and stop The grinding time can be pro grammed on the electronic control
15. nder since replacement of one only would inevitably cause malfunctioning of the grinder dispenser Replacement must be carried out by authorised technical service personnel e Clean the grinder dispenser and its components from time to time particularly the hopper and the dispenser e n case of prolonged idle periods holidays seasonal shutdowns etc empty the hopper and the dis penser completely and carefully clean every part of the grinder dispenser 6 Information for users in the European community Pursuant to European Directive 2002 96 EC on electrical waste WEEE users in the European community are advised of the following The symbol with the crossed out dustbin on the appliance or its packaging indicates that at the end of the product s life cycle it must be collected separately from other waste Suitable separate collection of the equipment for subsequent recycling treatment and disposal contributes to preventing possible negative consequences for the environment and health and favours the recycling of materials that the unit is made of In accordance with European Directive 2002 96 EC abusive disposal of the product by the user will result in application of penalties as set forth by local law 7 Warranty The warranty becomes void if e The instructions in this manual are not complied with The extraordinary maintenance and repair operations are carried out by unauthorized personnel The machine is used in manner
16. ocking screw will not allow the grinder stop pin to be passed in the grinder opening phase which since the grinders are already in contact with each other would make it impossible to grind the coffee to the proper degree of fineness and the brewed coffee would not flow out of the spout or would just drip out 4 6 Adjusting the guantity of ground coffee Instructions for properly adjusting the guantity grams of ground coffee e The batch of ground coffee is controlled by means of the adjusting knob 15 located inside the dispenser 13 e To decrease the amount remove the lid from the dispenser and turn the knob clockwise to increase the amount turn the knob counterclockwise e We suggest dispensing ten batches of ground coffee and weighing them with an electronic balance The average batch should be about 7 grams suggested guantity 5 Operating instructions 5 1 Using the grinder dispenser Instructions for a proper use of the appliance e Fill the hopper 5 or 6 with coffee beans and open the gate 8 e Press the push button 3 to start the grinder dispenser the green LED lights up inside the push button indicating that the machine is switched on e The electronic control unit stops the grinding cycle at the end of the preset time or grinding is stopped by the action of the overflow limit switch Grinding can be stopped at any time by pressing the push but ton 4 which cuts off power to the machine Motor restart based on the number o
17. s not provided for in this user manual The original components are replaced with parts from different manufacturers The warranty does not cover damage caused by carelessness improper use and installation rough handling lightning and weather agents overvoltage and overcurrents insufficient or irregular electrical power supply 8 Declaration of conformity C The manufacturer 999 La San Marco S p A 34072 Gradisca d Isonzo GO Italy Via Padre e Figlio Venuti 10 phone 39 0481 967111 fax 39 0481 960166 http www lasanmarco com declares under its own responsibility that the espresso coffee machine described in this manual and identi fied by the data on the tag located on the machine is compliant with directives 98 37 EC 2006 95 EC 2004 108 EC Regulation EC No 1935 2004 For verification of compliance with said directives the fol lowing harmonized standards have been applied EN 12100 1 EN 12100 2 EN 60335 1 EN 60335 2 64 Gradisca d Isonzo February 2009 Managing director Mr Roberto Marri par 22 9 Problem solving Before reguesting the technical assistance of the service centre carry out the following checks PROBLEM CAUSE SOLUTION 1 The coffee flows out of the a coffee ground too coarse a grind coffee finer serving nozzle fast the cream b weak pressing b increase the pressing force of the coffee in the cup is light c insufficient batch c increase the batch amount The
18. sformed from 400V 3N to 230V 3N or vice versa use the adhesive labels provided with the machine to update the data shown on the label glued at the end of the power cable 4 3 Programming the grinding time The electronic control unit controls the grinding time and restarts the grinder dispenser after a certain number of batches of ground coffee are dispensed The unit is programmed by the manufacturer according to preset values see table The grinder dispenser started with the push button 3 remains active and stops at the end of the preset grinding time or is stopped by the action of the EC POUND F overflow limit switch which resets the timer The grinder dispenser starts again after a certain number of batches of ground coffee based on the impulses given by the lever 17 and stops at the end of the preset grinding time or as already mentioned itis stopped by the 80 s action of the overflow limit switch The installer can modify the set tings on the electronic control unit if the user of the appliance requests different parameters from those preset by the manufacturer Instructions for a proper adjustment of the grinding time e Disconnect the power supply e ean the grinder dispenser on one side and remove the bottom the electronic control unit which controls the grinding time is located inside the grinder dispenser e Set in agreement with the user of the appliance the grinding time and the number of impulses
19. ssary to use adapters multiple sockets and extensions use only products in compliance with the safety standards in force e Unwind the power cable completely to avoid overheating it e The single phase grinder dispensers are provided with a three conductor power cable and a plug for connec tion to the power socket e For the electrical connection of the three phase models install an omnipolar main switch upstream of the power supply the main switch must have the same electrical characteristics power and voltage as shown on the machine rating tag The main switch must be able to break the power supply with a contact gap of at least 3 mm e The three phase grinder dispensers are equipped with a five conductor power cable The connection of the three phase models must be carried out as follows star connection for the models with 400V 3N power supply and delta connection for the models with 230V 3 power supply Voltage Connection to Connection to the electronic control unit the power socket inside the machine i LEGEND 400V 3N Katie GI BL BI NE VE MA L black L black N neutral blue GI VE ground 1 yellow 2 blue 3 white GI BL BI NE VE MA A Black 5 green 6 brown e At the completion of the electrical connection check that the motor turns a clockwise direction looking at the appliance from above if it turns counterclockwise reverse two power phases e f the power is tran
20. to start stop grinding e To set the agreed parameters adjust the dip switches located inside the electronic control unit see fig ure Dip switches 1 and 2 control the grinding time it is possible to set a grinding time from 30 to 120 seconds Dip switches 3 and 4 control the impulses given by the coffee dispensing lever it is possible to restart the grinder dispenser after 6 12 18 or 24 batches dispensed 80s 2n o g T 4 4 Grinding Adjustment Instructions for a proper adjustment e Fill the hopper 5 or 6 with the coffee beans and open the gate 8 e Start the grinder dispenser by pressing the push button 3 Grind a small amount of coffee and switch off the unit by pushing the stop button 4 e Check the fineness of the ground coffee Make one or more cups of espresso coffee and check the coffee served into the cup the ideal quantity for brewing a cup of espresso is 6 to 8 grams of ground coffee with a time of 25 to 30 seconds There may be three different cases The coffee brews too slowly the coffee is ground too fine it should be coarser To make a coarser grind press the release button 11 and turn the adjustment ring 12 clockwise The coffee brews too fast the coffee is ground too coarse it should be finer To make a finer grind press the release button 11 and turn the adjustment ring 12 counterclockwise The coffee brews at the proper speed a 2 O 4 5 Chan
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