La San Marco SM 90/A Automatic Grinder
Contents
1. Automatic models pag 4 4 Grinding adjustment 0 0 eee 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 cece eee eee pag 5 2 Practical suggestions for the operator pag Information for users in the European community pag Waranty ato eee eee ee amana w quwi Ee pag Declaration of conformity pag Problem co MINO 24 44 siens TEn aoa Gy u S aces ee pag MANUALE CODICE 7770 030 Rev 01 08 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 equipment 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 con centrated 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 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 into2. contact the manufacturer for any information spare parts or accessories e If the 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 equipment designed for grinding and metering cof fee beans La San Marco S p A manufactures two basic grinder dispenser models SM 90 SM 95 They are essentially made up of A painted aluminium housing 1 The size shape and volume are identical for all models A hopper 3 made of transparent plastic material positioned on top of the grinder dispenser The hopper is fixed to the grinder dispenser by a special screw The hopper can only be removed with the help of an appropriate tool Inside the hopper there is a guard 6 that prevents the accidental contact of the hands with the grinders An electric motor to which the grinding unit is connected A grinding unit Model SM 90 and model SM 95 are equipped with a grinding unit with flat grinders of 64 mm and 84 mm diameter respectively A grind adjustment ring 7 with a release button 8 The top of the ring shows the grinding adjustments pos sible The ring is turned clockwise or counterclockwise to change the fineness of the ground coffee A dispenser 9 designed to measure and dispense the ground co
3. power supply and delta connection for the models with 230V 3 power supply Voltage Connection to Connection to the electronic control unit g the power socket inside the machine 2 4 6 LEGEND ON 1 400V 3N S Lown EN GI BL BI NE VE MA 5 L black L black N neutral blue 12 34 56 GI VE ground 1 yellow 230V 3 2 blue 3 white A GI BL BI NE VE MA 4 black 5 green 6 brown e At the completion of the electrical connection check that the motor turns in a clockwise direction look ing at the appliance from above if it turns counterclockwise reverse two power phases e f the power is transformed 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 19 T 2 l z D 4 3 Programming the grinding time Automatic models The electronic control unit controls the grinding time and restarts the grinder dispenser after a certain num ber of batches of ground coffee are dispensed The unit is programmed by the manufacturer according to preset values see table BATCHES OF The grinder dispenser started with the main switch 2 remains active MODEL CRIME KC and stops at the end of the preset grinding time or is stopped by the action of the overflow limit switch which resets the
4. LID HOPPER GATE GRINDER GUARD GRINDING ADJUSTMENT RING ADJUSTMENT RING RELEASE BUTTON DISPENSER DISPENSER LID BATCH ADJUSTMENT KNOB PRESSER GROUND COFFEE DISPENSING LEVER FILTER CUP SUPPORT FORK COFFEE COLLECTING TRAY RUBBER FOOT 16 4 Installation 4 1 Warnings The machine must be installed by qualified technical personnel authorized by La San A 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 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 ENGLISH 4 2 Electrical connections 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 a
5. MACINADOSATORE 90 95 MACINADOSATORE SM 90 95 GRINDER DISPENSER SM 90 95 MOULIN DOSEUR SM 90 95 DOSIERMUHLE SM 90 95 MOLINILLO DOSIFICATOR SM 90 95 MOINHO DOSEADOR SM 90 95 AOZIMETPIKOZ MYAOZ KA E SM 90 95 La San Marco ENGLISH GRINDER DISPENSER SM 90 95 T 2 l O z D General Notes ke o oND General notes pag 1 1 The espresso coffee 1 pag 1 2 Storing the coffee beans s i s eee pag 1 3 The grinder dispenser and the grinding process pag 1 4 Storing the ground coffee 1 pag 1 5 The espresso coffee machine pag 1 6 Climatic conditions Operator pag Introduction pag 2 1 Using the manual s sss suyus ukasa eee a EE w pag 2 2 Warnings siepi ama SRE crua u lara end aE asum Gel pag Technical characteristics pag 3 1 General characteristics of the different models pag 3 2 Technical characteristics pag 3 3 Assembly Grawing sosia eG gece eee tea eee eee nae ea Qa s nes pag Installation pag 4 1 Warnings sicari e diari Deen Laces wees See e ale pag 4 2 Electrical Connections EE e EES e EE pag 4 3 Programming the grinding time
6. SW3 DIP SW4 BATCHES ON ON WW Off Off 30s Off Off 6 OF OF o o E On Off 50s m On Off 12 OF OF ON ON e O Off On 80s Off On 18 OF OF on n On On 120s On On 24 Ol OF 4 4 Grinding adjustment Instructions for a proper adjustment Fil the hopper 3 with the coffee beans and open the gate 5 e Start the grinder dispenser by pressing the main switch 2 Grind a small amount of coffee and switch off the unit e Check the fineness of the ground coffee Make one or more cups of espresso coffee and check the cof fee served into the cup the ideal quantity for brewing a cup of espresso is 6 to 8 grams of ground cof fee with a time of 25 to 35 seconds There may be three different cases a The coffee brews too slowly the coffee is ground too fine it should be coarser To make a coarser grind press the release button 8 and turn the adjustment ring 7 clockwise b The coffee brews too fast the coffee is ground too coarse it should be finer To make a finer grind press the release button 8 and turn the adjustment ring 7 counterclockwise c The coffee brews at the proper speed 4 5 Changing the coffee grinders The proper grinder change procedure is as follows 1 Loosen the hopper locking screw 1 completely and pull out the hopper 2 While keeping the release button 2 pressed turn the adjusting ring clockwise to unscrew the upper grinder support and remove it from it
7. avours 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 manners 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 han dling lightning and weather agents overvoltage and overcurrents insufficient or irregular electrical power supply 8 Declaration of conformity C The manufacturer DMN La San Marco S p A 34072 Gradisca d lsonzo 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 73 23 EC 89 336 EEC 89 109 EEC For verification of compliance with said directives the following harmonized stan dards have been applied EN 12100 1 EN 12100 2 EN 60335 1 EN 60335 2 64 Gradisca d Isonzo June 2007 Managing director Mr R
8. ed 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 screw drivers 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 e 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 If the power cord is damaged it must be replaced by the manufacturer the manufac turer s service centre or a similarly qualified organization e Incase 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 original spare parts voids the warranty certificates pro vided with the machine e The user must not carry out any unauthorized operations or any work without under standing the exact procedures
9. et time has elapsed Turn the timer back to zero if you wish to stop grinding before the set time e Manual model with the automatic timer start the grinder dispenser by pressing the main switch 2 the green LED lights up in the push button showing that the unit is connected The electronic control unit stops grinding at the end of the set time grinding can be stopped at any time by turning the main switch 2 to position zero Motor restart based on the number of ground coffee servings is programmable and may take place after 6 12 18 or 24 servings e Manual model same characteristics as the automatic version except for the overflow grinding shut down function and motor restart based on the number of ground coffee servings e The ground coffee is dispensed from the dispenser 9 by operating the lever 13 e Place the filter cup on the support fork 14 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 12 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 qua
10. ffee 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 dis pensed can be adjusted by operating on the control knob 11 located inside the dispenser The ground coffee is dispensed by pulling on the coffee dispensing lever 13 The presser 12 available on cylindrical and conical versions enables the ground coffee to be pressed down inside the filter cup A support fork 14 for the filter cup SM 90 95 automatic version only An electronic control unit that controls the coffee grinder start and stop The grinding time can be programmed on the electronic control unit and the grinder dispenser can be made to restart after a desired number of ground coffee servings An on off main switch 2 with green LED 3 2 Technical characteristics S SF SF ane SS ee SM 90 1350 220 350 Flat 8 5 64 1350 72 13 8 SM 90A 1350 220 350 Flat 8 5 64 1350 72 13 8 SM 90T 1350 220 350 Flat 8 5 64 1350 72 13 8 SM 95 880 245 460 Flat 13 84 880 69 13 8 SM 95A 880 245 460 Flat 13 84 880 69 13 8 The La San Marco S p A grinder dispensers are prearranged for the following voltages 110 V 1 60 Hz 230 V 1 50 Hz 230 400 V 3N 50 Hz 240 V 1 50 Hz 17 ENGLISH x 2 l O z D 3 3 Assembly drawing 11 12 14 15 o 0 ao LEGEND PORTI E Co N ALUMINIUM HOUSING MAIN SWITCH HOPPER HOPPER
11. ng 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 qualities 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 fee 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 quantities 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 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 pist
12. ntities dispensed bearing in mind that weather conditions ambient humidity have a considerable effect on the preparation of espresso cof fee Increase the coarseness of the ground coffee when ambient humidity increases and decrease it when the humidity decreases 21 T 2 l O z D e Have the state of wear of the grinders checked from time to time by authorized 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 The replacement of the grinders must be carried out by authorized technical service personnel e Clean the grinder dispenser and its components from time to time particularly the hopper and the dispenser e In 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 f
13. oberto Marri 22 9 Problem solving Before requesting the technical assistance of the service centre carry out the following checks PROBLEM CAUSE SOLUTION 1 The coffee flows out of the serving nozzle fast the cream of the coffee in the cup is light a coffee ground too coarse b weak pressing c insufficient batch a grind coffee finer b increase the pressing force c increase the batch amount 2 The coffee flows out of the nozzle slowly drop by drop the cream of the coffee in the cup is dark a coffee ground too fine b excessive pressing c batch too large a grind coffee coarser b reduce the pressing force c reduce the batch amount g Presence of coffee grounds in the cup a coffee ground too fine b grinders worn out a grind coffee coarser 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 ENGLISH SUD 150 9004 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
14. on type known as lever operated La San Marco S p A grinder dispensers are profession al 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 quantity and compactness of the ground coffee inside the filter cup These factors moisture quantity 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 ENGLISH 2 Introduction 2 1 Using the manual e This manual provides all the necessary information for the installation start up use A and maintenance of the grinder dispenser e The persons in charge of normal use and maintenance and the technical person nel authorized to carry out extraordinary maintenance 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 tran
15. re 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 lia bility 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 lf it is necessary 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 con nec 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 con tact 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
16. s seat 3 Replace the grinders and align the lower grinder with the three scraping teeth the distance from these teeth is 0 9 mm to centre the machine we suggest using a thickness gauge 20 4 Clean the grinder seats and the thread of the upper grinder support accurately 5 Screw the upper grinder support down to where the upper grinder grazes the lower one this operation 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 6 Adjust the coffee grinding as described in the previous paragraph 1 2 ENGLISH 4 6 Adjusting the quantity of ground coffee Instructions for properly adjusting the quantity grams of ground coffee e The batch of ground coffee is controlled by means of the adjusting knob 11 located inside the dispenser 9 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 quantity 5 Operating instructions 5 1 Using the grinder dispenser Instructions for a proper use of the appliance e Fill the hopper 3 with coffee beans and open the gate 5 e Timer model start the coffee grinding by turning the manual timer clockwise grinding stops when the s
17. sferred 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 warranty conditions and the liability of the manufacturer T 2 l z D 2 2 Warnings e The grinder dispenser is designed and built for metering and grinding the coffee 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 pro cedures 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 requirements of health and hygiene in the workplace e The use of the machine and the routine maintenance and 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 remov
18. the cup forming the characteristic cream of real espresso The preparation of espresso is a very delicate process various factors affect the suc cess of this operation the preservation of the coffee beans the grinder dispenser and the grinding process the preservation of the ground coffee the espresso coffee machine itself the changeable weather condi tions 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 with in 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 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 varyi
19. timer The SM 90 95 A 80s 12 grinder dispenser starts again after a certain number of batches of ground coffee based on the impulses given by the lever 13 and stops at the end of the preset grinding time or as already mentioned it is stopped by the action of the over flow limit switch The installer can modify the settings on the electronic control unit if the user of the appli ance requests different parameters from those preset by the manufacturer Instructions for a proper adjustment of the grinding time e Disconnect the power supply e Lean the grinder dispenser on one side and remove the bottom the electronic control unit which con trols 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 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 DIES DIP SW CONFIGURATION DIP Swi DIP SW2 TIME CONFIGURATION DIP
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