Use AnD MAinTenAnCe neW 105 TOUCh seRies
Contents
1. pag 8 1 Cleaning the dispensing units and the filter pag 8 2 Cleaning the tray cup support grille pag 8 3 Cleaning the steam pag 8 4 Replacing the boiler pag 9 Idle ccc eee teen eens pag 10 Display of alarMS pag 10 1 Volumetric meters alarm pag 10 2 Automatic level alarm pag 10 3 Maximum water level in boiler pag 11 Safety GeEVICES 11 1 Manual reset safety thermostat 1 Vas ee 12 User INIOMMAICM gene eed Oe a ae ye Re ne VE ae eee pag 14 Declaration of conformity C pag 15 Troubleshooting arenen Manual code 7770 032 Revision 05 2010 2 O FBWWW 1 12. i 0 anak AA WWWNHNMN UUU N 02 02 NNNN OWWW W OC gt OW 2 1 Introduction AN Before using the machine carefully read all of the instructions contained in this machine 1 1 Using the manual AN This manual contains all information required for the installation use and maintenance of the cof fee machine This manual is an integral part of the machine always keep it intact together with the appliance 1 2 Warnings AN e Do not operate the machine or carry out routine maintenance before reading this manual This machine is designed and built for dispensing espresso coffee hot water for the preparation of hot beverages and infusions and steam used to heat liquids The use of the machine for any other than its intended purposes is considered to be improper and unauthorised The manufacturer declines any liability for damage resulting from the improper use of the machine user must be a responsible adult who is expected to comply with local safety rules and accepted common sense procedures For the correct and safe use of this machine the operator must observe the accident prevention rules and any other medical or occupational hygiene requirements applicable in the country where the machine is used e Machine use along with all routine maintenan
3. if you press K2GR1 when the display shows the time in hours of 00 or if you press K1GR1 when the time in hours indicated is 23 In this case if automatic on time was disabled then the off time and the day off are also automatically disabled Press K5GR1 to skip the related settings and go directly to the next parameter The on and off times can in this case only occur manually through the procedure described in the previous paragraph if automatic on time is enabled press K5GR1 to go to the setting of the off time and then the day off if necessary DAY OFF A weekly day off can be defined on which the dosage function ignores the automatic on time and can only be turned on manually The automatic off time is instead active even on the day off The display shows Closed On Use K1GR1 K2GR1 to select the day If you do not wish to set a day off select Only one day off be set 25 2 0 2 READING CONSUMPTION LITRES MAINTENANCE The display shows Clock adjust press the K5GR1 key again to move on to the counters reading The display shows Counters press the K8GR1 key ENTER to confirm Litres the litres used up until that time are shown The display shows press the K5GR1 key to move on to the number of cycles performed up until that time The display shows Serv
4. 2 0 2 8 Routine maintenance AN No panel or fixed guard of the appliance body may be removed from the it to carry out the routine maintenance Do not use harsh harmful detergents such as alcohol petrol or solvents to clean the coffee machine use water and neutral detergents Note Daily cleaning operations must be carried out in order to maintain the efficiency of the appliance and to guar antee the safety of the user and of people 8 1 Cleaning the dispensing units and the filter cup 1 Detach the filter cup from the serving unit remove the coffee grounds and replace the filter present with the blind filter without holes provided with the machine Note The filter is pressed into the cup to remove it simply force it on the sides and then extract it Do not remove the elastic ring on the inside of the filter cup 2 Using the brush clean the seat in the unit in which the filter cup is inserted 3 Insert the cup in the unit and without latching it completely press the continuous flow button 4 Let water overflow from the filter holder This will clean the serving group A The continuous flow of water from the unit can cause burns due to accidental skin contact 5 Stop the water flow and insert the filter cup in the unit 6 Start the continuous flow and then stop it after a couple of seconds repeat this operation a few times this is to clean the drain duct and the sole
5. where xxx is the telephone number set as a suggestion this means that the value of the litres which can be cleaned by the filter set the TECHNICAL LEVEL Pro gramming has been exceeded To reset this signal simply power the dosage by pressing the K3GR1 and K4GR1 keys simultaneously K3GR1 K4GR1 Filter Reset MAINTENANCE ALARM AND RESETTING When the display shows The display shows Service where xxx is telephone number set a suggestion this means the value in TECHNICAL LEVEL Programming for the cycles to perform has been exceeded coffees dispensed To reset this signal simply power the dosage by pressing the K1GR1 and K2GR1 keys simultane ously 33 4 2 0 2 gt K1GR1 K2GR1 Service Reset The display shows RESETTING THE TOTAL INDIVIDUAL DOSES The counting of individual doses can be reset To reset this signal go to the TECHNICAL LEVEL Programming in the Total Reading menu and press the K1GR1 and K2GR1 keys simultaneously for 3 seconds The display shows Coffees total K1GR1 K2GR1 PRESS THE KEYS FOR 3 SECONDS Coffees total Total Reset The display shows AN the total deriving from the sum of all drinks dispensed for each individual key of each unit cannot be reset Note the servings resetting operation DOES NOT RESET the reading of the litres consumed
6. 7 55 gt 5 The display shows Within 30 seconds time out to quit the programming phase press any of the keys combined with the 4 doses which can be programmed for example K1GRx The LEDs will always stay on The LED relating to the key being programmed will flash until the dynamic programming is complete K1GRx ud Q When the quantity of coffee with which the dose is to be programmed is achieved press the key being programmed to interrupt product dispensing with the consequent de energising of EVx PUMP The new value of the espresso dose is stored in EEPROM in pulses of the volumetric meter gt S S P 0 K1GRx EVx PUMP OFF e To proceed with programming the remaining coffee doses if the programming time out of 30 sec onds is not exceeded repeat in sequence points and If the time out 80 seconds is triggered during the programming phase to proceed with its per formance you will need to repeat the entire sequence described in points and 22 IMPORTANT the programming made on the FIRST UNIT is not automatically transferred to all the other units To copy the doses onto the other units press the related continuous keys This does not however affect the possibility of programming the remaining units independently from the first via the operations described in points and If the prebrewing function is active se
7. in the part corresponding to the area occupied by the steam The valve is activated if there is a considerable pressure increase inside the boiler The valve rap idly lowers the pressure by expelling the steam in the atmosphere the valve trips at 2 2 5 bar If the safety valve trips the steam is held and dissipated inside the machine body so as to avoid hazards for the persons around the machine AN In case of activation of the safety valve switch off the machine and immediately contact the spe cialized technician lf the safety valve is set off switch the machine off and immediately contact the authorized LA SAN MARCO SPA technician 12 User information In accordance with article 13 of the Legislative Decree dated 25 July 2005 151 Imple mentation of Directives 2002 95 EC 2002 96 EC and 2003 108 EC concerning the use of hazardous substances in electrical and electronic equipment as well as waste disposal symbol with the crossed out dustbin on the equipment or on the packaging means that at the end of its life cycle the appliance must be collected separately from other waste e The differentiated waste disposal of this equipment at the end of its life cycle is organised and managed by the manufacturer Should the user wish to dispose of this appliance he or she should therefore contact the manufacturer and follow the procedure implemented by the same for the separate collection of the appliance at the end of its lif
8. Continuous keys Unit 1 2 K5GR1 Continuous key and programming input Unit 1 K6GR1 KGGR2 K6GR3 Programmed tea dose dispensing key Unit 1 2 K1GR1 K1GR1 K2GR1 G A A K3GR1 K3GR1 K4GR1 K4GR1 K5GR1 K5GR1 K6GR1 K6GR1 15 ab 2 ENGLISH As specified in more detail in the relevant paragraph some keys in the unit 1 push button panel perform specific functions other than dispensing when the appliance is in programming mode KEY ADDITIONAL FUNCTION FUNCTION DESCRIPTION Function to increase the numerical values to select default PLUS options related to the parameter being programmed Function to decrease the numerical values or to select default K2GR1 MINUS options related to the parameter being programmed K3GR1 ENTER Function to confirm certain operations during programming K5GR1 MENU Function to select choose the parameter you wish to program DOSAGE START By powering the dosage function on the main external switch the function returns to the OFF or IDLE ON status it was in before the power was cut off See Procedures the event of a power failure When the dosage function is powered the display briefly indicates the version of the software installed The display shows LA SAN MARCO REV X YY OFF STATUS DOSAGE OFF BUT POWERED With the dosage function off all the out
9. combined with the steam The LED relating to the KSGRx key The EVVAP actuator is enabled for the entire duration of programming When the desired temperature is reached measured with the external probe or in another way not under the responsibility of GICAR press the KGGRx key used previously to interrupt the steam dispensing again with the consequent de energising of EVTEA The new temperature value for steam steam spout is stored If the time out 80 seconds is triggered during the programming phase to proceed with its per formance you will need to repeat the entire sequence described in points and NOTE During the programming of Steam the other units remain disabled By pressing the tea key of the first unit K6GR1 the dispensing of steam at a controlled temperature is enabled provided this function has been activated in the technical menu the controlled temperature steam function can only be enabled on the tea key of the first unit If the same key continues to be pressed the temperature control of the milk will be by passed and the spout will behave like a normal manual spout If on the other hand the controlled temperature steam function is not enabled the tea key of the first unit will only be one of the two keys for timed tea As for the tea key of the second unit if it is pressed once only the appliance will dispense timed tea but if it is pressed twice in rapid sequence the appliance will disp
10. the maintenance phase the temperature oscillates excessively around the T SET with a pro longed oscillation time and peak values which do not attenuate over time the integrated constant needs to be lowered Ki If during the heating or maintenance phase the temperature oscillates excessively and is often more than the T SET but it attenuates over time the derivative constant needs to be lowered Kd lf during the heating phase the temperature tends to be below the value of the T SET differing from it more and more the derivative constant needs to be increased Kd If during the heating phase the temperature tends to be below the value of the T SET constantly the proportional constant needs to be increased Kp and the integrated constant also needs to be increased slightly Ki If during the maintenance phase the temperature tends to be below or above the value of the T SET con stantly the integrated constant needs to be increased Ki and the proportional constant also needs to be increased slightly Kp 21 ab 2 0 2 7 4 Programming readings PROGRAMMING COFFEE DOSES The quantities relating to the volumetric coffee doses can be modified and stored by following the procedure set out below In IDLE ON status press the KSGRx 1 3 and keep pressing it for 5 seconds make sure that the lighting of the LEDs L5GRx 1 3 switches from fixed to flashing uC qa
11. with the pump See TECHNICAL LEVEL Programming AUTOSTEAM SPOUT DISPENSING CYCLE This function and the keyboard dedicated to perform it is activated in TECHNICAL LEVEL Programming see relevant paragraph 19 ab al 2 0 2 Thanks to temperature probe suitably positioned steam spout and connected to the STLVAP input the temperature of the liquid heated by the steam is measured So by pressing the AUTOSTEAM key in position key the EVVAP is activated until the temperature set in the Programming for Simulation is reached See paragraph below can nonetheless be interrupted early by pressing the steam key again Steam can continue to be dispensed when the temperature programmed is reached by keeping the steam key pressed If the temperature is not reached within a time out of 120 seconds steam dispensing ends automatically The system permits the contemporary dispensing of coffee tea and steam two or more of these are dispensed concurrently the display shows the related indications alternately LEVEL PROBE When powered the dosage function detects the status of the level probe situated in the boiler and if neces sary water shortage it arranges for the filling phase to be performed by energising the filling solenoid valve EVLIV and the PUMP until the boiler contains the right amount of water programmable Time out envisaged on the filling phase see TEC
12. 1 keys Once the setting has been made press the KSGR1 key MENU to switch to a display of the boiler setpoint temperature setting T SET The display shows Boiler Temperat xxx C where xxx is a selectable value of between 80 125 C in steps of 1 C 29 2 L 2 If you wish modify parameter use the K1GR1 K2GR1 keys Once the setting has been made press the KSGR1 key MENU to switch to a display of the parameters for PID type thermostating The display shows where xx x Is the proportional correction constant where y yy is the integrated correction constant where 22 2 is the derivative correction constant each value is selectable between 0 1 99 9 C in steps of 0 1 The setting is PID by default with the following parameters The display shows kP kI kD 08 0 0 15 10 0 whereas to enable adjustment with hysteresis of 2 C all the k values need to be 0 The display shows kP kI kD 00 0 0 00 00 0 If you wish to modify the parameter use the K1GR1 or K2GR1 keys Once the setting has been made press the KSGR1 key MENU to switch to a display of the setting of the adjustment range of the PID with respect to the setpoint temperature Outside this range the adjustment is always on off The display shows PID adjustment x C where x is the value in degrees of the range and it is a selectable value betwe
13. 28 The display shows PreBrew sec 2 2 where off zz total prebrewing on time yyyyy espresso 2 espressos coffee or 2 coffees Values from 0 1 5 0 1 sec steps If you wish to modify the parameter press the K1GR1 or K2GR1 keys to increase or decrease the value Once the prebrewing times have been programmed press the K5GR1 key MENU to switch to a display for setting the level sensitivity The display shows ProbeSensivity where be low sensitivity 150 low mid sensitivity 400 medium high sensitivity 1MO high If you wish to modify the parameter use the K1GR1 or K2GR1 keys Once the setting has been made press the KSGR1 key MENU to switch to a display to choose the function relating to setting the number of cycles to perform dispensing allowed The display shows Service Cycles where be a number between 0000 and 99000 in steps of 1000 when xxx equals 0000 the function 15 disabled If you wish to modify the parameter use the K1GR1 or K2GR1 keys Once the setting has been made press the KSGR1 key MENU to switch to a display to choose the possibil ity of displaying the temperature in degrees Centigrade or in degrees Fahrenheit The display shows Temperature X where oN can either be or If you wish to modify the parameter use the K1GR1 or 2
14. 6 Volumetric meters 17 Exchanger tap 18 Safety thermostat probe 19 Electric heating element 20 Heat exchanger 21 Safety thermostat 22 Temperature probe 23 Steam valve 24 Hot water mixer 25 26 Pressure gauge boiler 27 Vacuum valve 28 Maximum level probe 29 Level probe 30 Safety valve 31 Electronic control unit 32 Electronic level 33 Temperature adjustment of dispensing units not available on NEW 105 DTC models 34 Infusion device 35 Dispensing unit 36 Filter cup 37 Dispensing unit solenoid valve 38 Tray and cup support grille 39 Drain tray 40 Drain tube 41 Cooling tube NEW 105 DTC 0 2 3 Installation AN Installation must be carried out by skilled authorised LA SAN MARCO SPA technical personnel The coffee machine is delivered in suitable packaging The packaging contains the machine and its accessories the user manual and the conformity declaration After opening the packaging make sure the coffee machine and its components are intact In case of doubt do not use the appliance and contact the manufacturer e All of the packaging must be carefully set aside in case the machine needs to be trans ported in future The machine should be placed on a perfectly horizontal surface which 15 sufficiently sturdy to support the weight of the machine with a sufficient clearance around it to dissipate the heat generated during its operation e Do n
15. 6 42 EC 2006 95 EC 89 336 EEC Regulation EC no 1935 2004 For verification of conformity to said directives the following harmonised standards have been applied EN 12100 1 EN 12100 2 EN 60335 1 EN 60335 2 75 AUTHORISED PERSON A Managing director COMPILE THE TECHNICAL FILE Mr Roberto Marri Mr Roberto Marri Via Padre Figlio Venuti 10 34072 Gradisca d lsonzo ITALY pa Gradisca d lsonzo maggio 2010 39 L 0 2 0 2 15 Troubleshooting PROBLEM e The boiler is full of water and the water flows out of the safety valve The safety valve tips to release steam CAUSE e One of the outflow lines from the boiler or from a circuit of the unit has a leak e Malfunction of electrical system the electrical heating element is always connected e Pressure increase in the boiler the safety valve trips at 2 2 5 bar SOLUTION Check the autolevel circuit the manual charging button and the boiler heat exchangers Replace worn or damaged parts to eliminate the leak Check the wiring that feeds the heating element and the pressure switch e The machine was started properly but the water in the boiler does not warm up e The electric heating element is defective or is not connected e Main switch turned to position 1 Check if the heating element is connected to the power supply Check if the heating element safety thermostat has tri
16. EVLIV PUMP If EVLIV PUMP remain energised continuously for longer than the time out set the TECHNICAL LEVEL Programming the dosage of all its main functions is overridden The keyboards are disabled and all the ac tuators for all operations are overridden All the LEDs on the push button panel will start to flash 2 ON 72 OFF to signal visually to the user that the alarm stage has been entered 1 ALL THE LEDS ARE FLASHING GR2 ALL THE LEDS ARE FLASHING GR3 ALL THE LEDS ARE FLASHING To quit the alarm signalling turn the dosage off and back on again 31 4 2 0 2 BOILER TEMPERATURE PROBE SHORT CIRCUITED OVERHEATED If the boiler temperature probe is short circuited or if the temperature exceeds a given value for 5 seconds consecutively an alarm is signalled through all the LEDs flashing The alarm threshold is 140 C All the main functions of the dosage are overridden The keyboards are disabled and all the actuators for all operations are overridden The flashing display shows The display shows Alarm Boiler temp ALL THE LEDS ARE FLASHING GR2 ALL THE LEDS ARE FLASHING GR3 ALL THE LEDS ARE FLASHING The alarm disappears when the temperature returns to an acceptable value The alarm signal is removed by turning the appliance off BOILER TEMPERATURE PROBES DISCONNECTED INTERRUPTED If the boiler temperature probe is disconnected
17. HNICAL LEVEL Programming The display shows When the system is started the level check and adjustment is enabled after approximately 6 seconds Every time the level probe situated in the boiler fails to detect the presence of liquid for 3 seconds the filling phase is started by energising the filling solenoid valve EVLIV and the PUMP When the probe detects the presence of water for 3 consecutive seconds again the filling phase stops by de energising the filling sole noid valve EVLIV and the PUMP BOILER LEVEL 2 EVLIV PUMP ON SLIVMin operating probe SLIV operating probe SLIVMin SLIV The filling phase does not affect the possibility of performing both coffee or tea selections and a new programming of the same Only the triggering of the Time out combined with the filling phase inhibits the functioning of the keyboard and actuators 20 commissioning the water level in the boiler the system waits for level probe to be covered before activating the ON OFF relay The sensitivity of the level probes can be varied using a parameter in the TECHNICAL LEVEL Programming in the following cases gt LOW sensitivity 150kO for example in the presence of a water softener gt MEDIUM sensitivity 400KO normal water gt HIGH sensitivity 1MO for example in the event of mountain water or glass level indicator 7 3 Coffee boiler heating WITH ON OFF ADJUSTMENT WITH HYSTERESIS OF 2 C The temperature is adjuste
18. To reset this value please refer to the relevant paragraph 7 7 Default preset data The factory preset completely deletes the data memory and allows you to enter standard values for all stored data It must be performed under all circumstances for example after the microprocessor has been programmed on board program if its EEPROM memory is also reset or when a software upgrade has affected one or more data stored or has added more 34 Press in ON status the following keys simultaneously K1GR1 1 5 1 ONLY UNIT 1 PUSH BUTTON PANEL A 2 UC 2 K1GR1 K5GR1 PRESS SIMULTANEOUSLY IN ON STATUS Once preset is complete the display shows Preset of values complete The display shows To return to normal operation turn the appliance off and on again After a factory preset you will need to re check and if necessary reset depending on your require ments all the appliance parameters bar technical factory coffee roaster including the relevant pass words except for the factory one which is fixed The factory preset also resets all counters including the total doses dispensed 7 8 Procedures in the event of a power failure In the event of a power failure when the power returns the dosage function returns to the status IDLE ON or OFF it was in at the time of the power failure Any dispensing in progress will be aborted All the dosage data remains stored 35 0
19. USE AND MAINTENANCE NEW 105 TOUCH SERIES ENGLISH 0 2 Index 1 pag Tel Using the man al areas Gs es a E ew ee se pag Tee Via gg ok oan peas eee ee Gok Oe ere eee cee are wee pag 1 3 Starting the coffee pag 1 4 Technical characteristics 2 Description of the pag 2 1 General water system diagram pag 2 2 Water system diagram pag Installation 0 pag 3 1 Equipment pag 3 2 Water mains set up pag 3 3 Water softener optional pag 3 4 Installation of water system 0 1 eens pag Cro Ode see kbaeaseatscer hee eee eee E pag 3 6 connection Gee eee bebe oo he oa ee pag 4 Start Up ccc cece eee eee tence ney pag 4 1 Filling the boiler with water pag 5 Adjustments 0 ccc pag 5 1 Adjustment of boiler water level probe pag 5 2 Adjustmen
20. Use the tube a 900 mm supplied with the appliance to connect the cut off valve of the water mains to the tap 1 for water inlet to the water softener figure 5 2 Use the tube c 600 mm supplied with the external pump to connect the pump suction to the tap 2 of the water softener figure 6 7 3 Connect the tube d of the coffee machine s water system to the pump delivery figure 7 Figure 5 Figure 6 Figure 7 3 5 Drain Connect the drainage tube to the grounds collecting tray and to the water drainage system 3 6 Electrical connection AN Instructions for a proper electrical connection of the espresso coffee machine e Before connecting the appliance to the electrical mains make sure that the data on the data plate corresponds to the electrical mains e Connection must be made in compliance with regulations in the country of installation The electrical system provided by the customer must comply with the applicable stand ards in force the power socket must be equipped with an efficient earth connection LA SAN MARCO SPA will not in any way be held liable if legal requirements are not met Improper installation may cause personal injury or property damage for which the manufacturer cannot be held liable For the electrical connection it is necessary to install omnipolar main switch up stream of the power supply this switch should be rated according to the electrical characteristics power and voltage shown the
21. acement meters alarm e Autolevel alarm e Displacement meters jammed or defective e Defective wiring e Water circuit of automatic level without water e Main water supply valve closed e Faulty autolevel solenoid e Replace the volumetric counter e Check the wiring and its connections the control unit and the fuses Check the hydraulic circuit of the autolevel Check if the on off valve on the water supply is open Replace the autolevel solenoid l 2 PROBLEM CAUSE SOLUTION Overfill alarm Malfunction in automatic level Check the hydraulic circuit of the circuit autolevel e Leak in button for manual water filling e Leak in heat exchangers The machine is switched The electric wiring of the Check the electrical wiring the on the main switch is in electronic control unit is electronic control unit and its position 1 or 2 and the defective components signal light is lit but the The electronic control unit is Replace the electronic control unit electronic control is out defective of order The machine feeds water Solenoid and or pump fed Control unit relay powered from one serving unit continuously continuously although the serving has Replace the electronic control unit not been selected The steamer discharges Tap needs adjustment e Tap needs adjustment only small quantities of e Worn gasket on tap Replace the
22. achine with water as instructed in the paragraph entitled Filling the boiler with water 9 Idle periods If the machine is to remain idle for long periods weekly closing days holidays etc take the following pre cautions 1 Turn the main switch to O zero and if necessary unplug the power cable or disconnect the main switch from the electrical mains 2 Close the cut off valve of the water mains 3 if you think the temperature might drop below 5 C completely drain the water system of the coffee ma chine 4 Wash the components of the coffee machine as described in the paragraph entitled routine mainte nance 5 Cover the machine if necessary 10 Display of alarms 10 1 Volumetric meters alarm The button relating to the volumetric meters of all the units lights up When coffee is dispensed the LED inside it must flash If the volumetric meter shuts down for more than two minutes during dispensing the electronic control unit stops dispensing coffee and signals the alarm by the flashing of button A short coffee first unit Note Make sure that the coffee has been dispensed into the cup correctly if not see the chapter entitled TROU BLESHOOTING 10 2 Automatic level alarm If the water level in the boiler is below normal and the pump is not able to restore that level within 150 sec onds the electronic control unit of the appliance will stop the automatic filling and signal the problem via the simulta
23. an cut off valve prefer ably of 3 8 ball type that allows a rapid opening and closing operation The appliance should be connected to the water mains using the tube supplied with it Do not connect the appliance with used tubes DRAIN LINE Provide an inspectable drain pit on the floor connected with the sink drain line suitable for receiving the ma chine gravity drain tube The drain tube must be positioned so that the water flows out freely without it being possible for the pipe to clog up during operation 3 3 Water softener optional The water softener for softening the mains water can be manual or automatic depending on A customer s request Before connecting the water softener to the coffee machine the resins contained in it should be washed off as described in the user manual supplied with the appliance Note The water softener is considered an essential device to guarantee a proper operation of the espresso coffee machine A water softening system should be provided in order to guarantee the efficiency performance and duration of the components in the machine 3 4 Installation of water system INTERNAL PUMP 1 Use the tube a 900 mm supplied with the appliance to connect the cut off valve of the water mains to the tap 1 for water inlet to the water softener figure 3 2 Connect the tube b for internal pump suction to the tap 2 of the water softener figure 4 figure 3 figure 4 EXTERNAL PUMP OPTIONAL 1
24. appliance data plate The omnipolar switch must disconnect the power supply with a contact gap of at least 3 mm I 2 I 2 1 15 necessary to use adapters multiple plugs and extensions only products meeting applicable safety standards must be used avoid any overheating of the power cable unwind it completely Connect the power cable to the electrical mains as shown in the attached diagram J 230V 3N MONO PHASE 400V 3N THREE PHASE 3 HEATING ELEMENTS H 3 NEW 105 TOUCH a sacco La Lj BROWN sige YE GR BROWN T ale YE GR 7 NOTES The power absorbed by the electric heating elements can be reduced to 2 3 by eliminating one of the BLACK wires 230V 3N THREE PHASE YE GR Fy 10 0 2 4 AN The espresso coffee machine must be started by qualified technical personnel author ised by LA SAN MARCO SPA Once electric and hydraulic connections are completed the user is advised to start the espresso coffee machine with the following procedure in order to avoid damaging the appliance 4 1 Filling the boiler with water 1 Check that the main switch of the appliance 1 figure 1 is set to position 0 zero 2 Remove the tray and the cup support grill and make sure that a The boiler drain valve a is closed figure 8 b The taps of the autom
25. atic level valve b c must be open figure 8 c The taps of the volumetric meters d must be turned on figure 9 d Figure 9 d Open the water supply on off valve Lower the lever of a steam tap in order to allow the release of air while filling the boiler with water Reinstall the tray and cup support grill in its place Turn the main switch knob to position 1 so as to carry out the automatic filling of the boiler with water In the NEW 105 Practical models when water reaches the level probe filling stops and the green MAX LED of the electronic level control is turned on In the other models of the NEW 105 series when water reaches the level probe filling stops and the blue OK LED of the electronic control is turned on TASR Note when the boiler is filled with water it may take longer than 150 seconds after which the automatic level alarm is triggered see the chapter on display of alarms If this happens turn the main switch to O zero and then back to 1 in order to perform automatic filling of the boiler again as described in point 6 To prevent the automatic level alarm from being triggered just speed up automatic filling of the boiler using the manual filling button f figure 8 AN The main switch can be turned to two positions 1 and 2 Position 1 starts the electronic auto matic level function to fill the boiler and excludes the operation of the heating elements Position 2 starts the heating elements
26. ble or disable the continuous dose press the KSGR1 key MENU to switch to a display to choose whether to associate the pump with the tea dispensing The display shows Hot Water Pump where can be either NO or YES If you wish to modify the parameter press the K1GR1 or K2GR1 keys Once you have made the setting to enable or disable the tea with the pump press the KSGR1 key MENU to switch to a display to choose the function relating to the keyboard setting where the K6Grx key will enable the steam instead of the tea The display shows Steam Boiler Gr x where x can be either 0 or 1 or 2 or 3 disabled If you wish to modify the parameter press the K1GR1 or K2GR1 keys Once you have made the setting to choose the keyboard for the steam key press the KSGR1 key MENU to switch to a display to choose the function relating to PREBREWING The display shows PreBrewing where can be either DISABLE or ENABLE If you wish to modify the parameter relating to enabling disabling prebrewing press the K1GR1 or K2GR1 keys If you enable the prebrewing function by pressing the KSGR1 key MENU you will move on to the setting of the on and off parameters The first programmable ON time is that relating to keys K1GR1 K1GR2 K1GR3 in the graphic display ex ample we refer to type Esp Cof 2Es 2Cof keyboards
27. by LA SAN MARCO SPA If you wish to change the dispensing tempera ture you will need to use the valve flow variator on the dispensing unit To increase the temperature turn the valve towards the higher numbers Contrarily to decrease it turn the knob towards lower numbers 5 5 Additional notes for NEW 105 DTC Dual Temperature Control models The cooling system of the NEW 105 DTC models has the purpose of ensuring thermal stability of the water used for dispensing espresso coffee This system uses a special dispensing unit in which the cold water from the mains passes through a small tube located in a compensation chamber The hot water from the heat ex changer of the boiler passes through the dispensing unit and comes into contact with the cooling tube As a result it loses heat 13 ae 0 0 2 5 6 Hot water temperature adjustment The NEW 105 TOUCH models feature a mixer that makes it possible to adjust the temperature of the hot water for the preparation of infusions The mixer can be calibrated by turning the adjustment screw which is accessed from the upper tray figure 17 The mixer calibration is factory set by LA SAN MARCO SPA If you want to increase the temperature of the hot water drawn turn the screw clockwise On the contrary if you want to decrease the temperature of the water turn the screw anti clockwise Note The mixer must be adjusted with the coffee machine r
28. ce and cleaning operations must only be performed by au thorised personnel appointed by the customer under the responsibility of the latter e Do not install the espresso coffee machine in rooms which are cleaned with water jets e Never turn the machine on before it has been connected to the water mains The water cut off valve must remain open when the machine is on The user must make sure of this e Only place empty cups on the purpose provided cup support grille e Never cover the machine when it is in operation There must be suitable air recirculation Itis absolutely prohibited to operate the machine with the fixed and or mobile guards removed or with the Safety devices bypassed The safety devices must absolutely never be removed or tampered with The panels covering the machine must not be removed as the machine contains live parts there is the risk of electric shock e Before performing any routine maintenance or cleaning operations unplug machine from the socket if possible otherwise trip the omnipolar switch upstream of the machine e The safety devices must always be in perfect condition observing the regular maintenance performed by La San Marco authorised personnel e The hot parts of the machine dispensing unit boiler piping etc could cause burns due to accidental skin contact Gloves aprons etc should therefore be worn during maintenance or repair work Forcleaning avoid the use of products such as alcohol
29. control is preceded by prebrewing When the dosage function is started after the time t1 on the unit solenoid valve is turned off and mains turned off for the amount of time t2 off except for re energising to complete the dosage function as programmed This timed on off does not affect the PUMP actuator PUMP 007 Programmed dose total duration of dispensing When one of the dosage keys with volumetric control the normal dispensing cycle is preceded by a brief timed water jet used to moisten the coffee pod before moving on to the actual dispensing Times t1 on and t2 off can be set in TECHNICAL LEVEL programming for all coffee doses If one AN or more details are set to zero this function is not executed despite being active To activate it see TECHNICAL LEVEL Programming DISPENSING COFFEE IN CONTINUOUS MODE In the idle on status release one of the doses keys K5GRx continuous programming Both the dispensing solenoid valve EVx and the PUMP are energised starting up the dispensing phase The LED L5GRx relating to the chosen dose key continues to flash for the entire duration of coffee dispensing uC ud The display shows Continuos dose 18 To interrupt dispensing in continuous mode stop the dosage by pressing same key K5GRx This de energises the solenoid valve and the pump and the signal LED is consequently turned off Dispensing in continuous mode stops automat
30. d with a hysteresis of 2 C The heating element is controlled by the ON OFF relay which is de energised on reaching the programmed temperature T SET See TECHNICAL LEVEL Program ming and it re energises when it drops by 2 C To avoid vibrations on the trigger threshold a time controlled filter is also fitted To activate this function you will need to set in TECHNICAL PROGRAMMING all the pid constants to 0 see relevant paragraph WITH PID ADJUSTMENT DEFAULT SETTING The temperature is adjusted according to a proportional integrated and derivative algorithm see TECHNICAL LEVEL Programming for parameter settings The heating control is enabled when the dosage function is IDLE ON and it uses a temperature probe and a low voltage command RISCAF for triac or solid state relay with PID function The temperature is adjusted according to an algorithm which uses 3 constants proportional kp integrated ki derivative kd The three constants must be adapted to all types of coffee doses according to the power characteris tics of the heating element the size of the boiler its dissipation and so on The setpoint value T SET is defined as the temperature the boiler needs to be at to operate normally If during the heating or maintenance phase the temperature oscillates excessively around the T SET with peak values which do not attenuate over time the proportional constant needs to be lowered Kp If during
31. e cycle e Suitable separate collection of the appliance for subsequent recycling treatment and eco compatible disposal contributes to preventing possible negative consequences for the environment and health and favours the recycling of materials that the appliance is made of gt Illegal disposal of the appliance by the user will result in the application of administrative fines as set forth in the applicable regulations in force 38 13 Guarantee The guarantee becomes void if The instructions in this manual are not complied with The scheduled maintenance and repairs are carried out by unauthorised personnel The machine is used for any other than its intended purposes The original parts are replaced with parts from different manufacturers The guarantee does not cover damage caused by neglect use and installation not in compliance with the recommendations of this manual improper operation abuse lightning and atmospheric phenomena overload excessive current or insufficient or irregular power supply 14 Declaration of conformity The manufacturer La San Marco S p A 34072 Gradisca d lsonzo GO Italy Padre Figlio Venuti 10 phone 39 0481 967111 fax 39 0481 960166 http www lasanmarco com hereby declares under its own responsibility that the espresso coffee machine described in this manual and identified by the data on the data plate affixed to the appliance conforms to directives 200
32. e dedicated paragraphs the dosage in programming AN phase still enables this particular function therefore wait for it to have ended before stopping the dispensing in progress Note During the programming of a unit the other units remain disabled along with the tea and steam IF A COFFEE DOSE IS NO LONGER ACTIVATED Possible troubleshooting if after programming a volumetric dose the same is no longer dispensed it is possible that the dosage func tion for some reason did not receive the pulses from the volumetric meter and thus programmed a dose amounting to O pulses Possible causes to verify volumetric meter incorrectly connected volumetric meter mixed up with that of another unit inoperational water circuit PROGRAMMING TEA DOSES The quantities relating to the tea doses can be modified and stored by timed control by following the pro cedure below In IDLE ON status press the KSGRx 1 3 and keep pressing it for 10 seconds make sure that the lighting of the LEDs L5GRx 1 3 switches from fixed to flashing The display shows Doses setting Select within30s Within 30 seconds time out to quit the programming phase press the K6GRx key combined with the tea dose The LED relating to the K6GRx key will flash The EVTEA actuator is enabled for the entire duration of tea dose programming When the quantity of tea with which the dose is be programmed is achieved press the K6GRx key used previ
33. en 2 5 C in steps of 1 C If you wish to modify the parameter use the K1GR1 or K2GR1 keys Once the setting has been made press the KSGR1 key MENU to switch to a display of the setting of the boiler water level filling time out The display shows Filling Up T Out xxx Selectable value between 10 250 in steps of 1 minute If you wish to modify the parameter use the K1GR1 or K2GR1 keys Once the time out has been programmed to move on to the next menu press KSGR1 MENU this will take you to the water softener filter litre setting 30 The display shows Water Filter where is a selectable value of between 0 5000 in steps of 1 litre If you wish to modify the water filter parameter relating to the litres counted use the K1GR1 or K2GR1 keys to increase or decrease the value Press the KSGR1 key MENU again to quit the TECHNICAL LEVEL Programming phase The display shows OFF hh mm Note once you are in the TECHNICAL LEVEL Programming environment to quit it you will need to scroll through all the menus by pressing the KSGR1 key MENU until you return to the OFF status 7 6 Alarm signals BOILER FILLING LEVEL TIME OUT When the display shows Time Out alarm Boiler Filling Up this means that the boiler water level filling time has been exceeded Indeed every time the level probe detects water shortage probe bare the filling phase is enabled
34. ense tea continuously PROGRAMMING THE CLOCK In IDLE ON status press the KSGRx key and keep pressing it for more than 10 seconds make sure that light ing of the LEDs L5GRx 1 3 switches from fixed to flashing Clock adjust Note when Doses Setting 15 displayed keep pressing K5GRx key 1 3 to switch to the Clock Adjust phase Press the K3GR1 key ENTER to confirm Clock adjust hh mm XXXXXXXXX The display shows where hh current time in hours 0 23 mm current time in minutes XXX day of the week If you wish to modify the parameter use the K1GR1 or K2GR1 keys and confirm with K5GR1 Press the K5GR1 key again to move to setting automatic on off 24 AUTO ON OFF AUTOMATIC STARTING AND STOPPING Designed to set the automatic starting and stopping times of dosage and the weekly closing day The display shows Auto ON OFF aaa hh mm The following are programmed in order on time in hours AAA On on time in minutes AAA On off time in hours AAA Off off time in minutes AAA Off day off To move from one to the other press the KSGR1 key 1 on time and 1 off time can be set and they apply to all the days of the week If you do not wish to have automatic on and off go to the programming of the corresponding time and press K1GR1 or K2GR1 until the display shows The display shows Auto On Off Or The display shows Auto On Off
35. ent of dispensing units e Cappuccino maker not available on NEW 105 DTC models Stabilised temperature unit NEW 105 DTC e Hot water mixer with temperature adjustment e Electronic control of boiler temperature I 1 2 2 Description of the machine Note The terms used in this description will commonly be used throughout the following pages 12 11 10 New 105 Touch 2 3 4 5 A A lt Main switch Espresso coffee serving unit Filter cup with handle Double scale pressure gauge Lower tray cup support grille Electronic level Steam spout Burn protection sheath for steam spout Hot water spout Steam drawing knob Touch control panel Upper cup support grille N O a 1 SOL MON GOL M N 6 T 1 T 9 p 9 OF ae 2 1 General water system diagram 0 2 2 2 1 Water softener 2 Water softener outflow valve 3 Water softener outflow valve 4 Supply from water mains 5 Electric motor pump 6 Pressure gauge 7 Non return and safety valve 8 Automatic level control valve 9 Filter 10 Automatic level solenoid valve 11 Automatic level control valve 12 Boiler water filling valve 13 Non return valve 14 Boiler water drain valve 15 Manifold tap 1
36. gasket steam or water droplets Small drops flow out of Leak in solenoid valve Check the solenoid valves hot the water tap and cold water and replace as necessary The unit emits a whistle e Faulty operation of expansion Check the expansion valve and if after serving the coffee valve necessary replace it Calibrate the e High pump pressure valve at 12 bar Check the pump operating pressure Calibrate the pump at 9 bar The filter cup comes off Gasket under holder is worn the serving unit Replace the gasket Clean the serving unit and the filter When coffee is being e Gasket under holder is worn served some of it drips out of the edge of the filter Cup Replace the gasket Clean the serving unit and the filter Water leaking from the e Malfunctioning unit solenoid Check the unit solenoid valve Check drain of the serving unit e Water leaking from unit cooling the plunger on the solenoid valve solenoid system and clean it Replace the automatic level solenoid valve Check the small cooling tube and the related seals of the dispensing unit NEW 105 TOUCH DTC Finer grinding Light cream the coffee Coarse grinding flows out of the spout e Low pressing pressure Increase the pressure rapidly Small quantity of ground Increase the quantity of ground coffee coffee Water temperature below 90 C Adjust valve flow variator of the e Pump pressure ab
37. gure 11 or in the event of an ex ternal pump figure 12 To increase the pressure tighten the screw and read the corresponding value on the lower scale of the gauge decrease the pressure loosen the adjustment screw Figure 12 5 Once the desired pressure has been set stop dispensing water and close the side of the machine Note The suggested calibration of the pump operating pressure to obtain proper dispensing 15 9 bar 5 3 Adjustment of steam pressure in boiler The steam pressure in the boiler is shown on the upper scale of the pressure gauge B figure 13 The lower grad uated scale indicates the operating pressure of the pump To change the pressure of the liquid saturated steam mixture inside the boiler you will need to vary the temperature as explained in the programming chapter 12 5 4 Temperature adjustment of dispensing units In the NEW 105 T models except for the NEW 105 T DTC models the espresso coffee dispensing tempera ture can be adjusted without changing the internal pressure of the boiler A valve flow variator is fitted to the tip of the dispensing unit which controls the flow of hot water from the exchangers this valve is accessible from the upper tray after removing the plastic cup support grille figure 15 Four numbered notches are im printed on the upper tray 2 3 4 5 for each dispensing unit figure 16 The valve is normally set to number 3 this is the default setting factory set
38. ically if it is not stopped when the maximum product quantity is achieved this quantity can be controlled both in volumetric mode on achievement of 6000 pulses as well as by means of a dispensing Time out See paragraph entitled ALARMS IMPORTANT THE CONTINUOUS CYCLE STARTS WHEN THE 5 KEY IS RELEASED WITHIN 5 SECONDS OTHERWISE THE PROGRAMMING PHASE BEGINS AND NOT WHEN IT IS PRESSED IN STEAD DOSAGE STOPS WHEN THE KEY IS PRESSED TEA CYCLE DISPENSING When the key relating to the Tea dose is pressed K6GRx the Tea solenoid valve is activated EVTEA and hot water is dispensed This operation is indicated by the LED L6GRx corresponding to the key pressed lighting up When the cycle starts a Timer is activated which once the time value set during the programming phase is achieved interrupts product dispensing The dosage function permits the contemporary dispensing of Tea and coffee cycles K6GRx The display shows Stop dispensing tea while in progress It is possible to interrupt dispensing while in progress before the programmed amount of time has passed Simply press the same key used to start dispensing the tea dose This de energises with immediate effect the solenoid valve EVTEA and interrupts product dispensing and returning the dosage to idle on status QO A The control unit is designed to manage three different tea doses one per unit TEA PUMP Tea dispensing can be combined
39. ice press the K5GR1 key to display the total number of coffees dispensed up until that time Coffees total press the K5GR1 key to review all the counters and show the totals of each individual doses for each unit The display shows The display shows 222222 where is the unit 22272 15 the type of coffee the number of coffees At the end of the review press the KSGR1 key to quit this phase 7 5 Technical level programming Enter the environment for the TECHNICAL LEVEL Programming to program certain parameters or functions To access the TECHNICAL LEVEL Programming go to OFF status and press the K5GR1 key for 10 consecu tive seconds 26 PRESS IN OFF STATUS FOR 10 SECONDS Yo K5GR1 Note access to TECHNICAL LEVEL Programming and the programming operations can only be done from the push button panel related to unit 1 By accessing the TECHNICAL LEVEL Programming in the method described above the display shows the first TECHNICAL parameter the LANGUAGE set The display shows Language XXXXXXXXX where English Italian French German Spanish If you wish to modify the parameter displayed use the K1GR1 or K2GR1 keys to select the various op tions available to display the next parameter press KSGR1 MENU The words USER NAME are displayed The display shows Name LA SAN MARCO If you wish
40. neous flashing of the double short coffee button of all units plus the large tea key and the first of the three LEDs of the electronic level control Note If the boiler was not filled correctly see the chapter entitled TROUBLESHOOTING 10 3 Maximum water level in boiler alarm If the level of water in the boiler is over the safe level the electronic control unit will stop automatic filling and signal the problem through simultaneous flashing of the serving buttons plus the three LED s of the electronic level control Note If the maximum boiler level alarm trips see the chapter entitled TROUBLESHOOTING 37 l 2 0 2 11 Safety devices 11 1 Manual reset safety thermostat The safety thermostat is located next to the control unit and can be accessed by removing the left side panel from the coffee machine The thermostat probe placed inside the electric heating elements cuts the electric power supply any time there is an abnormal rise in temperature The heating elements no longer heat the water in the boiler and it will not be possible to use the appliance correctly Call the LA SAN MARCO SPA technical service centre for assistance AN The safety thermostat will have to be reset by a technician authorised by LA SAN MARCO SPA who must first remedy the cause of the coffee machine shutdown 11 2 Safety valve The safety valve is installed on the upper part of the boiler
41. ng operations on the machine which have not been authorised is strictly forbidden contact the manu facturer for any information or requests for spare parts or accessories e Ifthe machine is no longer used and requires dismantling please contact the manufacturer or your local council for the disposal of urban solid waste disposal procedures Do not discard into the environment e San Marco S p A reserves the right to make technical modifications to the machine where deemed necessary without notice 1 3 Starting the coffee machine Ambient temperature 5 45 C drain the water system in case of frost Mains water pressure 80 800 kPa 0 8 8 0 bar Water hardness less than 5 fH Noise level emitted by the machine The weighted sound pressure level A is below 70 db A under normal conditions of use of the machine 1 4 Technical characteristics POWER INPUT W ae capacity CONNECTION MAINS Zy IEEE a CUP HEATER kg Optional oe 3500 4500 3500 4500 60 790 535 518 NEW 105 5500 15500 7000 275 125 74 1030 535 518 2 12 3500 4500 3500 4500 60 790 935 518 NEW 105 T DTC 3 19 5900 7000 74 1030 935 518 Standard On request e Automatic level automatic filling of water in e Electrical cup heater boiler e Water softener manual or automatic e Incorporated pump External pump 300 Temperature adjustm
42. noid of the unit 7 Clean the perforated filter and place it back into the cup Dispense water for a couple of seconds to clean the filter the filter cup and the spouts 8 Repeat these operations on all the serving units Note Special commercially available detergents can be used to clean the dispensing units effectively 8 2 Cleaning the tray and cup support grille The lower cup support grille must be kept clean at all times during the normal use of the appliance simply wipe it clean with a sponge or damp cloth At the end of the work day clean the internal parts of the tray and grille too using warm water and neutral detergent 8 3 Cleaning the steam spout Clean the steam spout with a sponge or a damp cloth at the end of the work day to remove all traces of milk or other substances that inevitably form during the normal operation of the appliance Open the steam tap placing the spout in the tray to remove any residue which may have accumulated in the spout 8 4 Replacing the boiler water To change the water inside the boiler proceed as follows 1 Cut off the power supply to the appliance by turning the main switch to 0 zero 2 Remove the tub and the cup support grille and open the boiler drain tap 36 3 Open steam drawing valve to facilitate the draining of the water until the end of the operation 4 When water no longer comes out of the boiler close the boiler drain and the steam drawing tap 5 Fill the coffee m
43. or interrupted or determines a temperature of around 0 C alarm is signalled within 5 seconds and all the LEDs of the keyboards flash All the main functions of the dosage are overridden The keyboards are disabled and all the actuators for all operations are overridden The flashing display shows The display shows T ProbeUnconnect ALL THE LEDS ARE FLASHING GR2 ALL THE LEDS ARE FLASHING GR3 ALL THE LEDS ARE FLASHING The alarm disappears when the temperature returns to an acceptable value The alarm signal is removed by turning the appliance off 32 PULSES FROM VOLUMETRIC METER 5 SECONDS When the display shows Alarm Flow Meter Gr X this means no pulses are arriving from the volumetric meter corresponding to the activated unit x Indeed after starting up every volumetric dose EVx PUMP both in dispensing and in programming mode the dosage function checks the correct functioning of the volumetric meter by detecting the pulses it has sent to the micro controller If pulses are detected for more than 5 seconds consecutively the LED relating to the selected dose begins to flash 2 ON OFF Toe Sr After 1 minute volumetric meter time out of no pulses from the volumetric meter the dose in progress stops automatically FILTER ALARM AND RESETTING This function makes it possible to reset the counting of dispensing when the display shows ChangeWaterFilt XXXXXXXXX
44. ot install the espresso coffee machine in places where cleaning is to be carried out with jets of water Do not immerge the unit in water to clean it e For safety against hazards related to electrical currents keep the machine away from sinks tubs aquariums taps and areas that are wet or where water may splash machine creates heat Therefore it needs to be placed a room that is sufficiently ventilated to ensure heat dissipation Keep the machine away from sources of direct heat e Make sure that the voltage of the power socket does not differ from that indicated in the technical data and on the identification plate affixed to the machine If the voltage is different do not connect the machine This may be dangerous and may damage the appliance 3 1 Equipment provided The machine packing contains the equipment kit which includes the following items filter cups with filter restraint ring filters for filter cups single and double doses blind filter for filter cup filters for filter cups single and double doses press for ground coffee rubber tube with stainless steel mesh for water connection water circuit water softener rubber drain hose with steel coil for water drain 3 8 nipples for hose connection to water supply tube cleaning brush for serving units 3 2 Water mains set up FEEDING LINE Bring the water feeding tube at least 3 8 in diameter up to the machine and install
45. ously to interrupt product dispensing again with the consequent de energising of the EVTEA The new time for the tea dose duration is stored e To proceed with programming the other tea doses if the programming time out of 30 seconds is not ex ceeded you entered the programming environment from unit 1 by pressing the KSGR1 key repeat in sequence points and If the time out 30 seconds is triggered during the programming phase to proceed with its performance you will need to repeat the entire sequence described in points and IMPORTANT the programming of the tea dose made on the FIRST UNIT is NEVER automatically transferred to all the other units To program the tea dose on the remaining units simply repeat the operations described in pints and Note when programming a Tea dose the units remain disabled along with the dispensing of other teas PROGRAMMING FOR STEAM TEMPERATURE SIMULATION The temperature at which the EVVAP should be deactivated can be modified and stored for simulation by following the procedure below 23 4 2 0 2 In IDLE ON status press the KSGRx 1 3 key and keep pressing it for 10 seconds make sure that the lighting of the LEDs L5GRx 1 3 switches from fixed to flashing The display shows Doses setting Select within30s Within 30 seconds time out to quit the programming phase press the K6GRx key
46. ove 9 bar group to a higher number or increase Sprinkler filter on unit clogged boiler pressure Filter holes widened filter cup Decrease the pump pressure Check and clean with blind filter or replace e Check and replace filter 41 ENGLISH PROBLEM CAUSE SOLUTION Dark cream the coffee e Fine grinding e Coarser grinding drips out of the spout e High pressing pressure e Reduce the pressure e Large quantity of ground e Decrease the quantity of ground coffee coffee e Excessive temperature e Adjust valve flow variator of the e Pump pressure below 9 bar group to a lower number or decrease Sprinkler filter on unit clogged boiler pressure Filter holes clogged filter cup Increase the pump pressure e Check and clean with blind filter or replace e Check and replace filter Presence of grounds Coffee ground too fine e Coarser grinding coffee cup e Worn grinders in grinder e Replace the grinders dispenser unit e Decrease the pump pressure e Pump pressure above 9 bar e Check and clean with blind filter or Sprinkler filter on unit clogged replace Filter holes widened filter cup Check and replace filter Coffee with too little Sprinkler filter on unit clogged Check and clean with blind filter or cream in cup spurts out replace of spout The cream in the cupis Coffee extraction takes along Clean or replace
47. petrol or solvents in general use water and neutral detergents e To clean the body of the machine simply wipe it with a damp cloth or sponge do not use abrasive prod ucts which could damage parts of the machine body To clean the coffee dispensing units the filter cups grilles and trays follow the instructions provided in the chapter entitled Routine Maintenance For improved machine quality on starting the machine every day the water in the boiler must be replaced and that contained in the piping must be emptied and replaced Should the machine be left idle for several hours over the course of the day it is advisable to replace the water by allowing it to flow out of the hot water drawing tap and the coffee dispensing units Strict compliance with the routine maintenance instructions of this manual is required for a safe and efficient operation of the appliance e the event of faults or breakage of any component of the espresso coffee machine contact an authorised service centre and insist on original La San Marco S p A spare parts the use of non original spare parts will nullify the certification of conformity and the guarantee which accompany the appliance I 2 All modifications to the machine and or failure to perform scheduled maintenance operations relieve the man ufacturer of any liability for any damage ensued and nullifies the declaration of conformity and the guarantee Performi
48. pped in and check its proper operation The main switch must be turned to position 2 e There is no water flowing from a serving unit e The programmed servings of espresso coffee are not constant or vary on the different units It is not possible to program the serving quantities on unit 1 and to copy them on the other units Coffee ground too fine or excessive quantity for type of filter used Clogged water circuit e Defective solenoid e Abnormal operation of the electronic control unit or of the displacement counters e Leak from serving unit solenoid valve e Water dispensers clogged e Abnormal operation or defective displacement meter of unit 1 Adjust the grinding coarseness and or the quantity of ground coffee Check that the injector the upper circulation pipe the valve flow variator of the group the water dispenser and the solenoid valve of the group are not clogged In the machines with electronic metering check the displacement meter and its valves Check the solenoid of the unit its wiring and the fuse in the electronic control unit Program the serving doses separately on each dispensing unit If the problem persists replace the volumetric meter of the dispensing unit affected Replace the solenoid valve of the serving group Check the water dispenser Check the control unit displacement meters electrical wiring Replace the volumetric counter 40 Displ
49. puts are deactivated all the functions are deactivated except for the TECHNICAL LEVEL programming ones Where hh mm INDICATE the correct time in hours and minutes to switch to the OFF status press the KSGR1 key followed by To switch to the IDLE ON status press the K3GR1 key only The display shows IDLE ON ON STATUS START UP To start the dosage press the K3GR1 key In idle on status the dosage detects the status of the level and maximum level probes If the probe detects that there is not enough water in the boiler the same is filled automatically by the activation of the filling sole noid valve EVLIV and of the PUMP until the correct level of water is obtained Filling time out see paragraph entitled ALARMS If the correct levels are detected or after the topping up of the same the dosage is set for the activation of the coffee doses selections or for the programming of the same where required See subsequent paragraphs The dispensing activation does not depend on the attainment of the set point temperature in the boiler IN IDLE ON STATUS ALL THE LEDS ARE ON 16 The display shows where hh current time in hours 0 23 mm current time in minutes LA SAN MARCO customer s name as desired STOPPING To stop the dosage function keep the KSGR1 key pressed first followed immediately by the K3GR1 key O gt gt N switch to the IDLE ON status p
50. ress the K3GR1 key only 7 2 Dispensing COFFEE CYCLE DISPENSING In the idle on status press one of the four doses keys for the unit you wish to use for dispensing for example K1GRx Both the dispensing solenoid valve EVx and the PUMP are energised starting up the dispensing phase Both the pump and the solenoid valve will remain activated until the quantity of product programmed previ ously is achieved volumetric meter pulses The LED relating to the chosen dose stays on for the entire duration of coffee dispensing 2 aan K1GRx The display shows During dispensing the display shows an indication of the dose dispensed English version 1 Espresso 2 Espressos 1 Coffee 2 Coffees Continuous Tea Steam 17 l 2 0 2 Note The dosage permits the contemporary dispensing of coffee from all the units envisaged by dosage STOP DISPENSING COFFEE WHILE IN PROGRESS It is possible to interrupt dispensing while in progress before the pulses relating to the volumetric meter pro grammed are achieved Simply press the key relating to the dispensing in progress This de energises with immediate effect both the dispensing solenoid valve EVx and the PUMP suspending the dispensing and returning the dosage to idle on status PREBREWING The 3d5 MAESTRO DELUXE dosage function can be configured so that the dispensing relating to the coffee doses with volumetric
51. t be used with care contact of the skin with the steam spout or with the jet of steam itself can cause serious burns Grip the burn protection sheath to change the position of the steam drawing spout Never aim the jet of steam at persons or at objects which are not con nected to the use described in this manual Note Before using the steam drawing spout drain any condensation which may have formed within it into the tray After using the spout wipe it clean with a damp cloth and if necessary drain any residue remaining inside it into the tray 6 3 Drawing hot water Hot water is drawn by the appropriate spout and can be used to prepare infusions tea camomile tea to heat cups to add water to an espresso and to obtain American style coffee and so on 6 4 Cup heater optional The cup heater is used to increase the heating of the upper cup support surface by means of an electrical heating element Use the appropriate switch to activate or de activate the cup heater The cup heater heating element is equipped with an operating thermostat that controls the temperature of the cup support surface 7 Programming the New 105 Touch models 7 1 Keys K1GR1 K1GR2 K1GR3 1 coffee dose dispensing key Unit 1 2 3 K2GR1 K2GR2 K2GR3 2 coffee dose dispensing key Unit 1 2 K3GR1 2 K3GR3 3 coffee dose dispensing key Unit 1 2 K4GR1 K4GR2 K4GR3 4 coffee dose dispensing key Unit 1 2 3 K5GR1 KSGR2 K5GR3
52. t of pump dispensing pag 5 3 Adjustment of steam pressure in pag 5 4 Temperature adjustment of dispensing units pag 5 5 Additional notes for NEW 105 DTC Dual Temperature Control models pag 5 6 Hot water temperature adjustment pag 6 Operating instructions pag 6 1 Dispensing espresso pag 6 2 Drawing SteAM 1 eee eee eee pag 6 3 Drawing NOU pag 6 4 Cup heater 0c eee ee ees pag 7 Programming the New 105 Touch models pag TM INO Ge ow eae A Oe Awe be Oe te ee ee eae Ore eek Sioa ee ea he pag We GG ee we oe Be Xe pag 7 3 Coffee boiler heating pag 7 4 Programming and 5 pag 7 5 Technical level pag PEG Alarm ee pag 7 7 Default preset pag 7 8 Procedures in the event of a power pag 8 Routine maintenance
53. the filter too thin it disappears time due to clogged filter e Clean or replace the sprinkler filter after a few seconds Coffee extraction too fast due Lower the temperature in the boiler to clogged sprinkler filter e Adjust valve flow variator of serving e Water temperature too high group Presence of depressions Sprinkler filter partly clogged Clean or replace the sprinkler filter in the coffee grounds looking inside the filter Note If the problem cannot be solved as described above or if another malfunction has arisen contact an author ised LA SAN MARCO SPA service centre for assistance 42
54. to heat the water Never start the coffee machine by turning the main switch to position 2 the electrical heating elements must always be submerged in water in order to operate 5 Adjustments AN Any adjustments to the coffee machine must be carried out by qualified technical staff authorised by LA SAN MARCO SPA 11 I 2 5 1 Adjustment of boiler water level probe te The level probe is normally placed in a standard position for all the models in the NEW 105 ALE series However if the customer so desires the amount of water in the boiler can be increased or decreased by adjusting the level probe as shown in the figure 5 2 Adjustment of pump dispensing pressure In the models in the NEW 105 series the pump is located inside the coffee machine Note An external pump can be installed on the coffee machine upon request The pump operating pressure is calibrated by LA SAN MARCO SPA at a value of 9 bar Should you wish to change this value proceed as follows 1 The standard location for the pump is the right side of the machine looking at it from the work zone To access it the right side must be removed figure 11 2 Press the continuous dispensing button to dispense water from one of the dispensing units 3 lower graduated scale of the gauge read the pump operating pressure 4 Adjust the pressure using the adjustment screw of the internal pump fi
55. to modify the parameter word use the K1GR1 or K2GR1 keys to select the letters of the alphabet when the letter symbol number beneath the flashing cursor is the desired one press the K3GR1 key ENTER to confirm the letter symbol number and move on to selecting the next letter symbol number Arrangement of the available characters To move on to the next menu press the KSGR1 key MENU The setting of the telephone number which must be displayed in the event of certain alarms is shown The display shows Service Phone where are the numbers making up phone number Once the type of push button panel has been set press the KSGR1 key MENU to switch to a display which allows you to enable or disable the dose programming 27 2 0 2 The display shows Doses setting where be either DISABLE or ENABLE If you wish to modify the parameter press the K1GR1 or K2GR1 keys Once the setting has been made press the KSGR1 key MENU to switch to a display which allows you to enable or disable the continuous dose dispensing The display shows Continuos Key where be either DISABLE or ENABLE If you wish to modify the parameter press the K1GR1 or K2GR1 keys Once you have made the setting to ena
56. unning under normal operating conditions The steam pressure in the boiler is 1 0 bar standard value set by LA SAN MARCO SPA if the steam pressure in the boiler is modified as described in the relevant paragraph the mixer must be calibrated again Figure 15 Figure 16 Figure 17 6 Operating instructions AN During the dispensing of espresso coffee tea or steam these can cause burns due to accidental Skin contact 6 1 Dispensing espresso coffee 1 Remove the filter cup from the dispensing unit and fill it with a dose of ground coffee filter cup with one spout or with two doses of ground coffee filter cup with two spouts Press the ground coffee using the relevant coffee press and then insert the filter cup into the dispensing unit 2 Place one or two cups under the dispensing spout Note Make sure that the coffee has been dispensed into the cup correctly if not see the chapter entitled TROU BLESHOOTING 6 2 Drawing steam jet of steam which can be used to foam milk or to heat other liquids comes out of the steam drawing spout as follows by raising or lowering the lever you attain the maximum flow the lever stops in the maximum po sition To stop the flow of steam place the lever back in its original position if you move the lever sideways you will obtain a reduced steam flow the lever does not lock in place and if released it returns to its original position 14 AN The steamer mus
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