La San Marco New 105 Touch SEries Use And Maintenance

Text of La San Marco New 105 Touch SEries User Guide:

• 18 ENGLISH 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 immed

• La San Marco New 105 Touch SEries, 37 ENGLISH 3) Open a 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 machine 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 0 (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 tempe

• La San Marco New 105 Touch SEries, 38 ENGLISH 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.  Thesafetythermostatwillhaveto

• La San Marco New 105 Touch SEries, 14 ENGLISH 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 (gure 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runni

• La San Marco New 105 Touch SEries, 20 ENGLISH Thanks to a temperature probe suitably positioned on the 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 K6GRx key the EVVAP is activated until the temperature set in the Programming for Simulation is reached (see paragraph below). The display shows Steam It 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

• La San Marco New 105 Touch SEries, 21 ENGLISH On commissioning the water level in the boiler, the system waits for the 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: -> LOW sensitivity 150k for example in the presence of a water softener -> MEDIUM sensitivity 400K normal water -> HIGH sensitivity 1M for example in the event of mountain water or glass level indicator 7.3 Coffee boiler heating WITH ON

• 10 ENGLISH • Ifitisnecessarytouseadapters,multipleplugs andextensions,onlyproductsmeetingapplicablesafetystandardsmustbeused. • Toavoidanyoverheatingofthepowercable,unwinditcompletely. Connect the power cable to the electrical mains as shown in the attached diagram:

• 3 ENGLISH 1. Introduction Before using the machine, carefully read all of the instructions contained in this machine. 1.1 Using the manual 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  • Do�

• La San Marco New 105 Touch SEries, 15 ENGLISH  Thesteamermust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

• 17 ENGLISH The display shows xxx°C hh:mm LA SAN MARCO 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 K5GR1 key pressed rst, followed immediately by the K3GR1 key. 2°1° To switch to the IDLE ON status, press the K3GR1 key only. 7.2 Dispensing COFFEE CYCLE

• 13 ENGLISH 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 (ow variator) is tted to the tip of the dispensing unit, which controls the ow of hot water from the exchangers; this valve is access

• La San Marco New 105 Touch SEries, 16 ENGLISH As specied in more detail in the relevant paragraph, some keys in the unit 1 push button panel perform specic functions (other than dispensing) when the appliance is in programming mode. KEY ADDITIONAL FUNCTION FUNCTION DESCRIPTION K1GR1 + (PLUS) Function to "increase" the numerical values or to select default options related to the parameter being programmed K2GR1 - (MINUS) Function to "decrease" the numerical values or to select default options related to the parameter being programmed K3GR1 ENTER Function to conrm

• La San Marco New 105 Touch SEries, 29 ENGLISH The display shows PreBrew. xx sec yyyyy z.z where: xx = on or off zz = total prebrewing on time yyyyy = espresso, 2 espressos, coffee or 2 coffees Values from 0.1÷5 in 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 xxx where xxx can be: low sensitivity 150k (low) mid sensitivity 400K (medium) high sensitivity 1M (high) If you wish to modify the parameter, use th

• La San Marco New 105 Touch SEries, 42 ENGLISH PROBLEM CAUSE SOLUTION 19. •Darkcream(thecoffee drips out of the spout). •Finegrinding. •Highpressingpressure. •Largequantityofground coffee. •Excessivetemperature. •Pumppressurebelow9bar. •Sprinklerlteronunitclogged. •Filterholesclogged(ltercup). •Coarsergrinding. •Reducethepressure. •Decreasethequantityofground coffee. •Adjustvalve(owvariator)ofthe group to a lower number or decrease boiler pressure. •Increasethepumppressure. •Checkandcleanwith

• La San Marco New 105 Touch SEries, 12 ENGLISH 5.1 Adjustment of boiler water level probe The level probe is normally placed in a standard position for all the models in the NEW 105 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 gure. 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 fo

• La San Marco New 105 Touch SEries, 33 ENGLISH NO 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 no pulses are detected for more than 5 seconds consecutively, the LED rel

• La San Marco New 105 Touch SEries, 28 ENGLISH The display shows Doses setting xxxxxxxx where xxx can 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 K5GR1 key (MENU) to switch to a display which allows you to enable or disable the continuous dose dispensing. The display shows Continuos Key xxxxxxxx where xxx can 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 enable or disable the "continuous" dose, press the K5GR1 key (MENU) to switch to a display to choose whether to associate the pump with the tea dis

• La San Marco New 105 Touch SEries, 26 ENGLISH 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 K3GR1 key (ENTER) to conrm The display shows Litres xxxxx the litres used up until that time are shown. press the K5GR1 key to move on to the number of cycles performed up until that time The display shows Service xxxxx press the K5GR1 key to display the total number of coffees dispensed up until that time. The display shows Coffees total xxxxx press the K5GR1 key to review all the counters and show the totals of e

• 31 ENGLISH The display shows Water Filter xxxxx where xxxxx is a selectable value of between 0 ÷ 5000 in steps of 1 litre If you wish to modify the “water lter” parameter relating to the litres counted, use the K1GR1 (+) or K2GR1 (-) keys to increase or decrease the value. Press the K5GR1 key (MENU) again to quit the TECHNICAL LEVEL Programming phase. The display shows O

• La San Marco New 105 Touch SEries, 30 ENGLISH If you wish to modify the parameter, use the K1GR1 (+) or K2GR1 (-) keys. Once the setting has been made, press the K5GR1 key (MENU) to switch to a display of the parameters for PID type thermostating: The display shows kP kI kD xx.x y.yy zz.z where xx.x is the proportional correction constant where y.yy is the integrated correction constant where zz.z 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

• La San Marco New 105 Touch SEries, 40 ENGLISH 15. Troubleshooting PROBLEM CAUSE SOLUTION 1. •Theboilerisfullofwater and the water ows out of the safety valve. •Oneoftheoutowlinesfrom the boiler or from a circuit of the unit has a leak. •Checktheautolevelcircuit,the manual charging button, and the boiler heat exchangers. •Replacewornordamagedpartsto eliminate the leak. 2. •Thesafetyvalvetipsto release steam. •Malfunctionofelectrical system (the electrical heating element is always connected). •Pressureincreaseintheboiler (the safety valve trips at 2÷2

• La San Marco New 105 Touch SEries, 19 ENGLISH To interrupt dispensing in continuous mode, stop the dosage by pressing the 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 automatically (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 K5GRX KEY IS RELEASED (WITHIN 5 SECONDS OTHERWISE THE

• La San Marco New 105 Touch SEries, 35 ENGLISH Press - in ON status - the following keys simultaneously: K1GR1 + K3GR1 + K5GR1 ONLY UNIT 1 PUSH BUTTON PANEL K1GR1K3GR1 K5GR1 PRESS SIMULTANEOUSLY IN ON STATUS Once preset is complete, the display shows: The display shows Preset of values complete 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).

• La San Marco New 105 Touch SEries, 34 ENGLISH K1GR1K2GR1 The display shows Service Reset 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 K1GR1K2GR1 PRESS THE KEYS FOR 3 SECONDS The display shows Coffees total Total Reset 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. To reset this value, plea

• La San Marco New 105 Touch SEries, 9 ENGLISH 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efciency,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 (g

• La San Marco New 105 Touch SEries, 7 ENGLISH 2.2 Water system diagram key: 1) Water softener 2) Water softener outow valve 3) Water softener outow 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 lling valve 13) Non-return valve 14) Boiler water drain valve 15) Manifold tap 16) 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 (boile

• La San Marco New 105 Touch SEries, 24 ENGLISH In IDLE-ON status, press the K5GRx (1..3) key and keep pressing it for 10 seconds; make sure that the lighting of the LEDs L5GRx (1..3) switches from xed to ashing. The display shows Doses setting Select within30s  Within 30 seconds (time-out to quit the programming phase), press the K6GRx key combined with the steam. The LED relating to the K5GRx 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 K6GRx key used previously to inte

• La San Marco New 105 Touch SEries, 32 ENGLISH 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 ashing. 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 ashing display shows: The display shows Alarm Boiler temp. GR1 TUTTIILEDSONOLAMPEGGIANTI GR2 TUTTIILEDSONOLAMPEGGIANTI GR3 TUTTIILEDSONOLAMPEGGIANTI The alarm disappears when the temperature returns to an

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